Index: ObsoleteFiles.inc =================================================================== --- ObsoleteFiles.inc +++ ObsoleteFiles.inc @@ -38,6 +38,8 @@ # xargs -n1 | sort | uniq -d; # done +# 20150209: liblzma header +OLD_FILES+=usr/include/lzma/lzma.h # 20150124: spl.9 and friends OLD_FILES+=usr/share/man/man9/spl.9 OLD_FILES+=usr/share/man/man9/spl0.9 Index: contrib/xz/ChangeLog =================================================================== --- contrib/xz/ChangeLog +++ contrib/xz/ChangeLog @@ -1,66 +1,923 @@ -commit 495aaf3a5b7200a5d2bf449bbbcc0e18834607af +commit a0cd05ee71d330b79ead6eb9222e1b24e1559d3a Author: Lasse Collin -Date: 2014-09-20 20:44:32 +0300 +Date: 2014-12-21 20:48:37 +0200 - Bump version and soname for 5.0.7. + DOS: Update Makefile. + + dos/Makefile | 1 + + 1 file changed, 1 insertion(+) + +commit b85ee0905ec4ab7656d22e63519fdd3bedb21f2e +Author: Lasse Collin +Date: 2014-12-21 19:50:38 +0200 + + Windows: Fix bin_i486 to bin_i686 in build.bash. + + windows/build.bash | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit cbafa710918195dbba3db02c3fab4f0538235206 +Author: Lasse Collin +Date: 2014-12-21 18:58:44 +0200 + + Docs: Use lzma_cputhreads() in 04_compress_easy_mt.c. + + doc/examples/04_compress_easy_mt.c | 30 ++++++++++++++++++++++++++---- + 1 file changed, 26 insertions(+), 4 deletions(-) + +commit 8dbb57238d372c7263cfeb3e7f7fd9a73173156a +Author: Lasse Collin +Date: 2014-12-21 18:56:44 +0200 + + Docs: Update docs/examples/00_README.txt. + + doc/examples/00_README.txt | 4 ++++ + 1 file changed, 4 insertions(+) + +commit 6060f7dc76fd6c2a8a1f8e85d0e4d86bb78273e6 +Author: Lasse Collin +Date: 2014-12-21 18:11:17 +0200 + + Bump version and soname for 5.2.0. + + I know that soname != app version, but I skip AGE=1 + in -version-info to make the soname match the liblzma + version anyway. It doesn't hurt anything as long as + it doesn't conflict with library versioning rules. src/liblzma/Makefile.am | 2 +- - src/liblzma/api/lzma/version.h | 2 +- - 2 files changed, 2 insertions(+), 2 deletions(-) + src/liblzma/api/lzma/version.h | 6 +++--- + src/liblzma/liblzma.map | 2 +- + 3 files changed, 5 insertions(+), 5 deletions(-) + +commit 3e8bd1d15e417f2d588e9be50ce027ee3d48b2da +Author: Lasse Collin +Date: 2014-12-21 18:05:03 +0200 + + Avoid variable-length arrays in the debug programs. + + debug/full_flush.c | 3 ++- + debug/sync_flush.c | 3 ++- + 2 files changed, 4 insertions(+), 2 deletions(-) + +commit 72f7307cfdceb941aeb2bf30d424cc0d13621786 +Author: Lasse Collin +Date: 2014-12-21 18:01:45 +0200 + + Build: Include 04_compress_easy_mt.c in the tarball. + + Makefile.am | 1 + + 1 file changed, 1 insertion(+) + +commit 2cb82ff21c62def11f3683a8bb0aaf363102aaa0 +Author: Lasse Collin +Date: 2014-12-21 18:00:38 +0200 + + Fix build when --disable-threads is used. + + src/common/mythread.h | 2 ++ + 1 file changed, 2 insertions(+) + +commit 9b9e3536e458ef958f66b0e8982efc9d36de4d17 +Author: Adrien Nader +Date: 2014-12-21 15:56:15 +0100 + + po/fr: improve wording for help for --lzma1/--lzma2. + + po/fr.po | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit a8b6b569e7fadbf5b5b9139d53bc764015c15027 +Author: Adrien Nader +Date: 2014-12-21 15:55:48 +0100 + + po/fr: missing line in translation of --extreme. + + po/fr.po | 1 + + 1 file changed, 1 insertion(+) + +commit f168a6fd1a888cf4f0caaddcafcb21dadc6ab6e9 +Author: Lasse Collin +Date: 2014-12-21 14:32:33 +0200 + + Update NEWS for 5.2.0. + + NEWS | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 65 insertions(+) + +commit cec2ee863b3a88f4bf039cb00f73c4a4fc93a429 +Author: Lasse Collin +Date: 2014-12-21 14:32:22 +0200 + + Update NEWS for 5.0.8. + + NEWS | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +commit 42e97a32649bf53ce43be2258b902a417c6e7fa1 +Author: Lasse Collin +Date: 2014-12-21 14:07:54 +0200 + + xz: Fix a comment. + + src/xz/options.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +commit 29b95d5d6665cedffa6a9d6d3d914f981e852182 +Author: Lasse Collin +Date: 2014-12-20 20:43:14 +0200 + + Update INSTALL about the dependencies of the scripts. + + INSTALL | 15 ++++++++++----- + 1 file changed, 10 insertions(+), 5 deletions(-) + +commit 3af91040bb42c21afbb81f5568c3313125e61192 +Author: Lasse Collin +Date: 2014-12-20 20:42:33 +0200 + + Windows: Update build instructions. + + INSTALL | 15 +++++++++------ + windows/INSTALL-Windows.txt | 44 +++++++++++++++++++++----------------------- + 2 files changed, 30 insertions(+), 29 deletions(-) + +commit 0152f72bf6289d744823dc6c849538f3a139ad70 +Author: Lasse Collin +Date: 2014-12-20 20:41:48 +0200 + + Windows: Update the build script and README-Windows.txt. + + The 32-bit build is now for i686 or newer because the + prebuilt MinGW-w64 toolchains include i686 code in the + executables even if one uses -march=i486. + + The build script builds 32-bit SSE2 enabled version too. + Run-time detection of SSE2 support would be nice (on any OS) + but it's not implemented in XZ Utils yet. + + windows/README-Windows.txt | 30 ++++++++++++++++-------------- + windows/build.bash | 23 ++++++++++++++--------- + 2 files changed, 30 insertions(+), 23 deletions(-) + +commit 4a1f6133ee5533cee8d91e06fcc22443e5f1881a +Author: Lasse Collin +Date: 2014-12-19 15:51:50 +0200 + + Windows: Define TUKLIB_SYMBOL_PREFIX in config.h. + + It is to keep all symbols in the lzma_ namespace. + + windows/config.h | 3 +++ + 1 file changed, 3 insertions(+) + +commit 7f7d093de79eee0c7dbfd7433647e46302f19f82 +Author: Lasse Collin +Date: 2014-12-16 21:00:09 +0200 + + xz: Update the man page about --threads. + + src/xz/xz.1 | 5 ----- + 1 file changed, 5 deletions(-) + +commit 009823448b82aa5f465668878a544c5842885407 +Author: Lasse Collin +Date: 2014-12-16 20:57:43 +0200 + + xz: Update the man page about --block-size. + + src/xz/xz.1 | 41 +++++++++++++++++++++++++++++++++-------- + 1 file changed, 33 insertions(+), 8 deletions(-) + +commit 7dddfbeb499e528940bc12047355c184644aafe9 +Author: Adrien Nader +Date: 2014-12-10 22:26:57 +0100 + + po/fr: several more translation updates: reword and handle --ignore-check. + + po/fr.po | 50 ++++++++++++++++++++++++++------------------------ + 1 file changed, 26 insertions(+), 24 deletions(-) + +commit 6eca5be40e04ddc4b738d493e4e56835956d8b69 +Author: Adrien Nader +Date: 2014-12-10 22:23:01 +0100 + + po/fr: yet another place where my email address had to be updated. + + po/fr.po | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit d1003673e92ba47edd6aeeb3dbea05c18269d0e7 +Author: Adrien Nader +Date: 2014-12-10 22:22:20 +0100 + + po/fr: fix several typos that have been around since the beginning. + + po/fr.po | 22 +++++++++++----------- + 1 file changed, 11 insertions(+), 11 deletions(-) + +commit 4c5aa911a0df027e46171e368debc543d2fa72b2 +Author: Adrien Nader +Date: 2014-12-03 20:02:31 +0100 + + po/fr: last batch of new translations for now. + + Four new error messages. + + po/fr.po | 16 ++++++++-------- + 1 file changed, 8 insertions(+), 8 deletions(-) + +commit 3e3099e36d27059499e7996fb38a62e8ab01d356 +Author: Adrien Nader +Date: 2014-12-03 20:01:32 +0100 + + po/fr: translations for --threads, --block-size and --block-list. + + po/fr.po | 12 ++++++++---- + 1 file changed, 8 insertions(+), 4 deletions(-) + +commit e7d96a5933eec4e9d4a62569ee88df0ebb0f1d53 +Author: Adrien Nader +Date: 2014-12-03 20:00:53 +0100 + + po/fr: remove fuzzy marker for error messages that will be kept in English. + + The following is a copy of a comment inside fr.po: + + Note from translator on "file status flags". + The following entry is kept un-translated on purpose. It is difficult to + translate and should only happen in exceptional circumstances which means + that translating would: + - lose some of the meaning + - make it more difficult to look up in search engines; it might happen one + in + a million times, if we dilute the error message in 20 languages, it will be + almost impossible to find an explanation and support for the error. + + po/fr.po | 22 ++++++++++++++++------ + 1 file changed, 16 insertions(+), 6 deletions(-) + +commit 46cbb9033af8a21fafe543302d6919746e0d72af +Author: Adrien Nader +Date: 2014-12-03 19:58:25 +0100 + + po/fr: several minor updates and better wording. + + Meaning doesn't change at all: it's only for better wording and/or + formatting of a few strings. + + po/fr.po | 14 +++++++------- + 1 file changed, 7 insertions(+), 7 deletions(-) + +commit 7ce49d444f04e73145f79c832eb4d510594b074a +Author: Adrien Nader +Date: 2014-12-03 19:56:12 +0100 + + po/fr: update my email address and copyright years. + + po/fr.po | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +commit 214c553ebc3047cd720da1ce5c80cf7c38118d3c +Author: Adrien Nader +Date: 2014-11-26 10:08:26 +0100 + + fr.po: commit file after only "update-po" so actual is readable. + + po/fr.po | 311 ++++++++++++++++++++++++++++++++++++++++----------------------- + 1 file changed, 199 insertions(+), 112 deletions(-) + +commit 1190c641af09cde85f8bd0fbe5c4906f4a29431b +Author: Lasse Collin +Date: 2014-12-02 20:04:07 +0200 + + liblzma: Document how lzma_mt.block_size affects memory usage. + + src/liblzma/api/lzma/container.h | 4 ++++ + 1 file changed, 4 insertions(+) + +commit e4fc1d2f9571fba79ce383595be2ea2a9257def0 +Author: Lasse Collin +Date: 2014-11-28 20:07:18 +0200 + + Update INSTALL about a "make check" failure in test_scripts.sh. + + INSTALL | 24 +++++++++++++++++------- + 1 file changed, 17 insertions(+), 7 deletions(-) + +commit 34f9e40a0a0c3bd2c2730cdb9cd550bbb8a3f2fe +Author: Lasse Collin +Date: 2014-11-26 20:12:27 +0200 + + Remove LZMA_UNSTABLE macro. + + src/liblzma/api/lzma/container.h | 4 ---- + src/liblzma/common/common.h | 2 -- + src/xz/private.h | 1 - + 3 files changed, 7 deletions(-) + +commit 6d9c0ce9f2677b159e32b224aba5b535b304a705 +Author: Lasse Collin +Date: 2014-11-26 20:10:33 +0200 + + liblzma: Update lzma_stream_encoder_mt() API docs. + + src/liblzma/api/lzma/container.h | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +commit 2301f3f05dd9742f42cda8f0f318864f5dc39ab3 +Author: Lasse Collin +Date: 2014-11-25 12:32:05 +0200 + + liblzma: Verify the filter chain in threaded encoder initialization. + + This way an invalid filter chain is detected at the Stream + encoder initialization instead of delaying it to the first + call to lzma_code() which triggers the initialization of + the actual filter encoder(s). + + src/liblzma/common/stream_encoder_mt.c | 9 ++++++--- + 1 file changed, 6 insertions(+), 3 deletions(-) + +commit 107a263d5bb63cd3593fd6a5c938706539f84523 +Author: Lasse Collin +Date: 2014-11-17 19:11:49 +0200 + + Build: Update m4/ax_pthread.m4 from Autoconf Archive. + + m4/ax_pthread.m4 | 71 +++++++++++++++++++++++++++++++++++++------------------- + 1 file changed, 47 insertions(+), 24 deletions(-) + +commit b13a781833399ff5726cfc997f3cb2f0acbdbf31 +Author: Lasse Collin +Date: 2014-11-17 18:52:21 +0200 + + Build: Replace obsolete AC_HELP_STRING with AS_HELP_STRING. + + configure.ac | 36 ++++++++++++++++++------------------ + m4/tuklib_integer.m4 | 2 +- + 2 files changed, 19 insertions(+), 19 deletions(-) + +commit 542cac122ed3550148a2af0033af22b757491378 +Author: Lasse Collin +Date: 2014-11-17 18:43:19 +0200 + + Build: Fix Autoconf warnings about escaped backquotes. + + Thanks to Daniel Richard G. for pointing out that it's + good to sometimes run autoreconf -fi with -Wall. + + configure.ac | 7 +++---- + 1 file changed, 3 insertions(+), 4 deletions(-) + +commit 7b03a15cea8cd4f19ed680b51c4bcbae3ce4142f +Author: Lasse Collin +Date: 2014-11-10 18:54:40 +0200 + + xzdiff: Use mkdir if mktemp isn't available. + + src/scripts/xzdiff.in | 17 ++++++++++++++++- + 1 file changed, 16 insertions(+), 1 deletion(-) + +commit f8c13e5e3609581d5dd9f8777985ca07f2390ad7 +Author: Lasse Collin +Date: 2014-11-10 18:45:01 +0200 + + xzdiff: Create a temporary directory to hold a temporary file. + + This avoids the possibility of "File name too long" when + creating a temp file when the input file name is very long. + + This also means that other users on the system can no longer + see the input file names in /tmp (or whatever $TMPDIR is) + since the temporary directory will have a generic name. This + usually doesn't matter since on many systems one can see + the arguments given to all processes anyway. + + The number X chars to mktemp where increased from 6 to 10. + + Note that with some shells temp files or dirs won't be used at all. + + src/scripts/xzdiff.in | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +commit 7716dcf9df7f457500cb657314e7a9aea5fedb06 +Author: Lasse Collin +Date: 2014-11-10 15:38:47 +0200 + + liblzma: Fix lzma_mt.preset in lzma_stream_encoder_mt_memusage(). + + It read the filter chain from a wrong variable. This is a similar + bug that was fixed in 9494fb6d0ff41c585326f00aa8f7fe58f8106a5e. + + src/liblzma/common/stream_encoder_mt.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +commit 230fa4a605542c84b4178a57381695a0af4e779b +Author: Lasse Collin +Date: 2014-11-10 14:49:55 +0200 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit 4e4ae08bc7c1711e399c9f2d26eb375d39d08101 +Author: Lasse Collin +Date: 2014-10-29 21:28:25 +0200 + + Update .gitignore files. + + .gitignore | 2 ++ + m4/.gitignore | 3 +++ + 2 files changed, 5 insertions(+) + +commit c923b140b27d1a055db6284e10fd546ad1a7fcdb +Author: Lasse Collin +Date: 2014-10-29 21:15:35 +0200 + + Build: Prepare to support Automake's subdir-objects. + + Due to a bug in Automake, subdir-objects won't be enabled + for now. + + http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17354 + + Thanks to Daniel Richard G. for the original patches. + + configure.ac | 7 ++++++- + src/Makefile.am | 22 +++++++++++++++++++++- + src/liblzma/Makefile.am | 4 ++-- + src/lzmainfo/Makefile.am | 4 ++-- + src/xz/Makefile.am | 10 +++++----- + src/xzdec/Makefile.am | 8 ++++---- + 6 files changed, 40 insertions(+), 15 deletions(-) + +commit 08c2aa16bea0df82828f665d51fba2e0a5e8997f +Author: Lasse Collin +Date: 2014-10-24 20:09:29 +0300 + + Translations: Update the Italian translation. + + Thanks to Milo Casagrande. + + po/it.po | 452 ++++++++++++++++++++++++++++++++++++++------------------------- + 1 file changed, 275 insertions(+), 177 deletions(-) + +commit 2f9f61aa83539c54ff6c118a2693890f0519b3dd +Author: Lasse Collin +Date: 2014-10-18 18:51:45 +0300 + + Translations: Update the Polish translation. + + Thanks to Jakub Bogusz. + + po/pl.po | 332 ++++++++++++++++++++++++++++++++++++++++----------------------- + 1 file changed, 214 insertions(+), 118 deletions(-) + +commit 4f9d233f67aea25e532824d11b7642cf7dee7a76 +Author: Andre Noll +Date: 2014-10-14 17:30:30 +0200 + + l10n: de.po: Change translator email address. + + Although the old address is still working, the new one should + be preferred. So this commit changes all three places in de.po + accordingly. + + Signed-off-by: Andre Noll + + po/de.po | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +commit 00502b2bedad43f0cc167ac17ae0608837ee196b +Author: Andre Noll +Date: 2014-10-14 17:30:29 +0200 + + l10n: de.po: Update German translation + + Signed-off-by: Andre Noll + + po/de.po | 531 +++++++++++++++++++++++++++++++++------------------------------ + 1 file changed, 281 insertions(+), 250 deletions(-) + +commit 706b0496753fb609e69f1570ec603f11162189d1 +Author: Andre Noll +Date: 2014-10-14 17:30:28 +0200 + + l10n: de.po: Fix typo: Schießen -> Schließen. + + That's a funny one since "schießen" means to shoot :) + + Signed-off-by: Andre Noll + + po/de.po | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit 7c32e6a935c3d7ee366abad1679bd5f322f0c7d4 +Author: Lasse Collin +Date: 2014-10-09 19:42:26 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit 076258cc458f1e705041ac7a729b15ffe8c5214a +Author: Lasse Collin +Date: 2014-10-09 19:41:51 +0300 + + Add support for AmigaOS/AROS to tuklib_physmem(). + + Thanks to Fredrik Wikstrom. + + m4/tuklib_physmem.m4 | 3 ++- + src/common/tuklib_physmem.c | 7 +++++++ + 2 files changed, 9 insertions(+), 1 deletion(-) + +commit efa7b0a210e1baa8e128fc98c5443a944c39ad24 +Author: Lasse Collin +Date: 2014-10-09 18:42:14 +0300 + + xzgrep: Avoid passing both -q and -l to grep. + + The behavior of grep -ql varies: + - GNU grep behaves like grep -q. + - OpenBSD grep behaves like grep -l. + + POSIX doesn't make it 100 % clear what behavior is expected. + Anyway, using both -q and -l at the same time makes no sense + so both options simply should never be used at the same time. + + Thanks to Christian Weisgerber. + + src/scripts/xzgrep.in | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +commit 9c5f76098c9986b48d2fc574a0b764f4cde0c538 +Author: Trần Ngọc Quân +Date: 2014-09-25 09:22:45 +0700 + + l10n: vi.po: Update Vietnamese translation + + Signed-off-by: Trần Ngọc Quân + + po/vi.po | 136 +++++++++++++++++++++++++++++++++++++++------------------------ + 1 file changed, 84 insertions(+), 52 deletions(-) + +commit c4911f2db36d811896c73c008b4218d8fa9a4730 +Author: Lasse Collin +Date: 2014-09-25 18:38:48 +0300 + + Build: Detect supported compiler warning flags better. + + Clang and nowadays also GCC accept any -Wfoobar option + but then may give a warning that an unknown warning option + was specified. To avoid adding unsupported warning options, + the options are now tested with -Werror. + + Thanks to Charles Diza. + + configure.ac | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +commit 76e75522ed6f5c228d55587dee5a997893f6e474 +Author: Lasse Collin +Date: 2014-09-20 21:01:21 +0300 + + Update NEWS for 5.0.7. + + NEWS | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +commit d62028b4c1174fc67b6929f126f5eb24c018c700 +Author: Lasse Collin +Date: 2014-09-20 19:42:56 +0300 + + liblzma: Fix a portability problem in Makefile.am. + + POSIX supports $< only in inference rules (suffix rules). + Using it elsewhere is a GNU make extension and doesn't + work e.g. with OpenBSD make. + + Thanks to Christian Weisgerber for the patch. + + src/liblzma/Makefile.am | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit c35de31d4283edad3e57d37ffe939406542cb7bb +Author: Lasse Collin +Date: 2014-09-14 21:54:09 +0300 + + Bump the version number to 5.1.4beta. + + src/liblzma/api/lzma/version.h | 4 ++-- + src/liblzma/liblzma.map | 2 +- + 2 files changed, 3 insertions(+), 3 deletions(-) + +commit e9e097e22cacdaa23e5414fea7913535449cb340 +Author: Lasse Collin +Date: 2014-09-14 21:50:13 +0300 + + Update NEWS for 5.0.6 and 5.1.4beta. + + NEWS | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 50 insertions(+) + +commit 642f856bb8562ab66704b1e01ac7bc08b6d0a663 +Author: Lasse Collin +Date: 2014-09-14 21:02:41 +0300 + + Update TODO. + + TODO | 38 ++++++++++++++++++++++++++++++++++---- + 1 file changed, 34 insertions(+), 4 deletions(-) + +commit 6b5e3b9eff5b8cedb2aac5f524d4d60fc8a48124 +Author: Lasse Collin +Date: 2014-08-05 22:32:36 +0300 + + xz: Add --ignore-check. + + src/xz/args.c | 7 +++++++ + src/xz/args.h | 1 + + src/xz/coder.c | 10 +++++++++- + src/xz/message.c | 2 ++ + src/xz/xz.1 | 19 +++++++++++++++++++ + 5 files changed, 38 insertions(+), 1 deletion(-) + +commit 9adbc2ff373f979c917cdfd3679ce0ebd59f1040 +Author: Lasse Collin +Date: 2014-08-05 22:15:07 +0300 + + liblzma: Add support for LZMA_IGNORE_CHECK. + + src/liblzma/api/lzma/container.h | 24 ++++++++++++++++++++++++ + src/liblzma/common/common.h | 1 + + src/liblzma/common/stream_decoder.c | 14 ++++++++++++-- + 3 files changed, 37 insertions(+), 2 deletions(-) + +commit 0e0f34b8e4f1c60ecaec15c2105982381cc9c3e6 +Author: Lasse Collin +Date: 2014-08-05 22:03:30 +0300 + + liblzma: Add support for lzma_block.ignore_check. + + Note that this slightly changes how lzma_block_header_decode() + has been documented. Earlier it said that the .version is set + to the lowest required value, but now it says that the .version + field is kept unchanged if possible. In practice this doesn't + affect any old code, because before this commit the only + possible .version was 0. + + src/liblzma/api/lzma/block.h | 50 ++++++++++++++++++++++++------- + src/liblzma/common/block_buffer_encoder.c | 2 +- + src/liblzma/common/block_decoder.c | 18 ++++++++--- + src/liblzma/common/block_encoder.c | 2 +- + src/liblzma/common/block_header_decoder.c | 12 ++++++-- + src/liblzma/common/block_header_encoder.c | 2 +- + src/liblzma/common/block_util.c | 2 +- + 7 files changed, 68 insertions(+), 20 deletions(-) + +commit 71e1437ab585b46f7a25f5a131557d3d1c0cbaa2 +Author: Lasse Collin +Date: 2014-08-04 19:25:58 +0300 + + liblzma: Use lzma_memcmplen() in the BT3 match finder. + + I had missed this when writing the commit + 5db75054e900fa06ef5ade5f2c21dffdd5d16141. + + Thanks to Jun I Jin. + + src/liblzma/lz/lz_encoder_mf.c | 5 ++--- + 1 file changed, 2 insertions(+), 3 deletions(-) + +commit 41dc9ea06e1414ebe8ef52afc8fc15b6e3282b04 +Author: Lasse Collin +Date: 2014-08-04 00:25:44 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit 5dcffdbcc23a68abc3ac3539b30be71bc9b5af84 +Author: Lasse Collin +Date: 2014-08-03 21:32:25 +0300 + + liblzma: SHA-256: Optimize the Maj macro slightly. + + The Maj macro is used where multiple things are added + together, so making Maj a sum of two expressions allows + some extra freedom for the compiler to schedule the + instructions. + + I learned this trick from + . + + src/liblzma/check/sha256.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit a9477d1e0c6fd0e47e637d051e7b9e2a5d9af517 +Author: Lasse Collin +Date: 2014-08-03 21:08:12 +0300 + + liblzma: SHA-256: Optimize the way rotations are done. + + This looks weird because the rotations become sequential, + but it helps quite a bit on both 32-bit and 64-bit x86: + + - It requires fewer instructions on two-operand + instruction sets like x86. + + - It requires one register less which matters especially + on 32-bit x86. + + I hope this doesn't hurt other archs. + + I didn't invent this idea myself, but I don't remember where + I saw it first. + + src/liblzma/check/sha256.c | 17 +++++++++++------ + 1 file changed, 11 insertions(+), 6 deletions(-) + +commit 5a76c7c8ee9a0afbeedb1c211db9224260404347 +Author: Lasse Collin +Date: 2014-08-03 20:38:13 +0300 + + liblzma: SHA-256: Remove the GCC #pragma that became unneeded. + + The unrolling in the previous commit should avoid the + situation where a compiler may think that an uninitialized + variable might be accessed. + + src/liblzma/check/sha256.c | 5 ----- + 1 file changed, 5 deletions(-) + +commit 9a096f8e57509775c331950b8351bbca77bdcfa8 +Author: Lasse Collin +Date: 2014-08-03 20:33:38 +0300 + + liblzma: SHA-256: Unroll a little more. + + This way a branch isn't needed for each operation + to choose between blk0 and blk2, and still the code + doesn't grow as much as it would with full unrolling. + + src/liblzma/check/sha256.c | 25 ++++++++++++++++--------- + 1 file changed, 16 insertions(+), 9 deletions(-) + +commit bc7650d87bf27f85f1a2a806dc2db1780e09e6a5 +Author: Lasse Collin +Date: 2014-08-03 19:56:43 +0300 + + liblzma: SHA-256: Do the byteswapping without a temporary buffer. + + src/liblzma/check/sha256.c | 13 +------------ + 1 file changed, 1 insertion(+), 12 deletions(-) + +commit 544aaa3d13554e8640f9caf7db717a96360ec0f6 +Author: Lasse Collin +Date: 2014-07-25 22:38:28 +0300 + + liblzma: Use lzma_memcmplen() in normal mode of LZMA. + + Two locations were not changed yet because the simplest change + assumes that the initial "len" may be greater than "limit". + + src/liblzma/lzma/lzma_encoder_optimum_normal.c | 20 +++++--------------- + 1 file changed, 5 insertions(+), 15 deletions(-) + +commit f48fce093b07aeda95c18850f5e086d9f2383380 +Author: Lasse Collin +Date: 2014-07-25 22:30:38 +0300 + + liblzma: Simplify LZMA fast mode code by using memcmp(). + + src/liblzma/lzma/lzma_encoder_optimum_fast.c | 11 +---------- + 1 file changed, 1 insertion(+), 10 deletions(-) + +commit 6bf5308e34e23dede5b301b1b9b4f131dacd9218 +Author: Lasse Collin +Date: 2014-07-25 22:29:49 +0300 + + liblzma: Use lzma_memcmplen() in fast mode of LZMA. + + src/liblzma/lzma/lzma_encoder_optimum_fast.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +commit 353212137e51e45b105a3a3fc2e6879f1cf0d492 +Author: Lasse Collin +Date: 2014-07-25 21:16:23 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit 5db75054e900fa06ef5ade5f2c21dffdd5d16141 +Author: Lasse Collin +Date: 2014-07-25 21:15:07 +0300 + + liblzma: Use lzma_memcmplen() in the match finders. + + This doesn't change the match finder output. + + src/liblzma/lz/lz_encoder.c | 13 ++++++++++++- + src/liblzma/lz/lz_encoder_mf.c | 33 +++++++++++---------------------- + 2 files changed, 23 insertions(+), 23 deletions(-) + +commit e1c8f1d01f4a4e2136173edab2dc63c71ef038f4 +Author: Lasse Collin +Date: 2014-07-25 20:57:20 +0300 + + liblzma: Add lzma_memcmplen() for fast memory comparison. + + This commit just adds the function. Its uses will be in + separate commits. + + This hasn't been tested much yet and it's perhaps a bit early + to commit it but if there are bugs they should get found quite + quickly. + + Thanks to Jun I Jin from Intel for help and for pointing out + that string comparison needs to be optimized in liblzma. + + configure.ac | 13 +++ + src/liblzma/common/Makefile.inc | 1 + + src/liblzma/common/memcmplen.h | 170 ++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 184 insertions(+) -commit ac6c8921d1d8d2d749d5c97f9a0b0594cc863cea +commit 765735cf52e5123586e74a51b9c073b5257f631f Author: Lasse Collin -Date: 2014-09-20 20:43:29 +0300 +Date: 2014-07-12 21:10:09 +0300 - Update NEWS for 5.0.7. + Update THANKS. - NEWS | 11 +++++++++++ - 1 file changed, 11 insertions(+) + THANKS | 1 + + 1 file changed, 1 insertion(+) -commit d1b0276aafd441a3d4db9dfd5dd9880e9f834d49 +commit 59da01785ef66c7e62f36e70ca808fd2824bb995 Author: Lasse Collin -Date: 2014-09-20 20:21:18 +0300 +Date: 2014-07-12 20:06:08 +0300 - liblzma: Fix invalid Libs.private value in liblzma.pc. + Translations: Add Vietnamese translation. + + Thanks to Trần Ngọc Quân. - src/liblzma/Makefile.am | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) + po/LINGUAS | 1 + + po/vi.po | 1007 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 1008 insertions(+) -commit cac72956b1e56788182ac14bfb25519636afd503 +commit 17215f751c354852700e7f8592ccf319570a0721 Author: Lasse Collin -Date: 2014-09-20 19:42:56 +0300 +Date: 2014-06-29 20:54:14 +0300 - liblzma: Fix a portability problem in Makefile.am. - - POSIX supports $< only in inference rules (suffix rules). - Using it elsewhere is a GNU make extension and doesn't - work e.g. with OpenBSD make. + xz: Update the help message of a few options. - Thanks to Christian Weisgerber for the patch. + Updated: --threads, --block-size, and --block-list + Added: --flush-timeout - src/liblzma/Makefile.am | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) + src/xz/message.c | 18 +++++++++++------- + 1 file changed, 11 insertions(+), 7 deletions(-) -commit 2cdf0875dedca3e89b02ad5ac8aa1109f902ae11 +commit 96864a6ddf91ad693d102ea165f3d7918744d582 Author: Lasse Collin -Date: 2014-09-14 19:35:45 +0300 +Date: 2014-06-18 22:07:06 +0300 - Bump version and soname for 5.0.6. + xz: Use lzma_cputhreads() instead of own copy of tuklib_cpucores(). - src/liblzma/Makefile.am | 2 +- - src/liblzma/api/lzma/version.h | 2 +- - 2 files changed, 2 insertions(+), 2 deletions(-) + src/xz/Makefile.am | 1 - + src/xz/hardware.c | 12 +++++++++--- + 2 files changed, 9 insertions(+), 4 deletions(-) -commit 0168b6c8fbc88cae61b1f5fb41d6c33c9e127967 +commit a115cc3748482e277f42a968baa3cd266f031dba Author: Lasse Collin -Date: 2014-09-14 19:33:46 +0300 +Date: 2014-06-18 22:04:24 +0300 - Update NEWS for 5.0.6. + liblzma: Add lzma_cputhreads(). - NEWS | 7 +++++++ - 1 file changed, 7 insertions(+) + src/liblzma/Makefile.am | 8 +++++++- + src/liblzma/api/lzma/hardware.h | 14 ++++++++++++++ + src/liblzma/common/Makefile.inc | 1 + + src/liblzma/common/hardware_cputhreads.c | 22 ++++++++++++++++++++++ + src/liblzma/liblzma.map | 1 + + 5 files changed, 45 insertions(+), 1 deletion(-) -commit 13337714e89d002af7af48d6853f977de985d7de +commit 3ce3e7976904fbab4e6482bafa442856f77a51fa +Author: Lasse Collin +Date: 2014-06-18 19:11:52 +0300 + + xz: Check for filter chain compatibility for --flush-timeout. + + This avoids LZMA_PROG_ERROR from lzma_code() with filter chains + that don't support LZMA_SYNC_FLUSH. + + src/xz/coder.c | 30 +++++++++++++++++++++--------- + 1 file changed, 21 insertions(+), 9 deletions(-) + +commit 381ac14ed79e5d38809f251705be8b3193bba417 Author: Lasse Collin Date: 2014-06-13 19:21:54 +0300 @@ -69,7 +926,7 @@ tests/Makefile.am | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -commit ccc728d8290c0464c7af62790b1c5528eceaae35 +commit 4244b65b06d5ecaf6f9dd0387ac7e3166bd2364e Author: Lasse Collin Date: 2014-06-13 18:58:22 +0300 @@ -83,7 +940,7 @@ tests/xzgrep_expected_output | 39 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 55 insertions(+), 11 deletions(-) -commit 948f5865fe65061e215baa8ed63be570bae152ea +commit 1e60f2c0a0ee6c18b02943ce56214799a70aac26 Author: Lasse Collin Date: 2014-06-11 21:03:25 +0300 @@ -95,7 +952,7 @@ tests/test_scripts.sh | 26 ++++++++++++++++++++++---- 1 file changed, 22 insertions(+), 4 deletions(-) -commit 64228d0d5cd75af31e5c330cc3a792016413fabf +commit ceca37901783988204caaf40dff4623d535cc789 Author: Lasse Collin Date: 2014-06-11 20:43:28 +0300 @@ -112,7 +969,91 @@ src/scripts/xzgrep.in | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) -commit 98d3368ef4bff0face78d6932f2156730c8cb658 +commit 8c19216baccb92d011694590df8a1262da2e980c +Author: Lasse Collin +Date: 2014-06-09 21:21:24 +0300 + + xz: Force single-threaded mode when --flush-timeout is used. + + src/xz/coder.c | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +commit 87f1a24810805187d7bbc8ac5512e7eec307ddf5 +Author: Lasse Collin +Date: 2014-05-25 22:05:39 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit da1718f266fcfc091e7bf08aae1bc986d0e6cc6b +Author: Lasse Collin +Date: 2014-05-25 21:45:56 +0300 + + liblzma: Use lzma_alloc_zero() in LZ encoder initialization. + + This avoids a memzero() call for a newly-allocated memory, + which can be expensive when encoding small streams with + an over-sized dictionary. + + To avoid using lzma_alloc_zero() for memory that doesn't + need to be zeroed, lzma_mf.son is now allocated separately, + which requires handling it separately in normalize() too. + + Thanks to Vincenzo Innocente for reporting the problem. + + src/liblzma/lz/lz_encoder.c | 84 ++++++++++++++++++++++-------------------- + src/liblzma/lz/lz_encoder.h | 2 +- + src/liblzma/lz/lz_encoder_mf.c | 31 +++++++++------- + 3 files changed, 62 insertions(+), 55 deletions(-) + +commit 28af24e9cf2eb259997c85dce13d4c97b3daa47a +Author: Lasse Collin +Date: 2014-05-25 19:25:57 +0300 + + liblzma: Add the internal function lzma_alloc_zero(). + + src/liblzma/common/common.c | 21 +++++++++++++++++++++ + src/liblzma/common/common.h | 6 ++++++ + 2 files changed, 27 insertions(+) + +commit ed9ac85822c490e34b68c259afa0b385d21d1c40 +Author: Lasse Collin +Date: 2014-05-08 18:03:09 +0300 + + xz: Fix uint64_t vs. size_t which broke 32-bit build. + + Thanks to Christian Hesse. + + src/xz/coder.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit d716acdae3fa7996f9e68a7bac012e6d8d13dd02 +Author: Lasse Collin +Date: 2014-05-04 11:09:11 +0300 + + Docs: Update comments to refer to lzma/lzma12.h in example programs. + + doc/examples/03_compress_custom.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +commit 4d5b7b3fda31241ca86ed35e08e73f776ee916e0 +Author: Lasse Collin +Date: 2014-05-04 11:07:17 +0300 + + liblzma: Rename the private API header lzma/lzma.h to lzma/lzma12.h. + + It can be confusing that two header files have the same name. + The public API file is still lzma.h. + + src/liblzma/api/Makefile.am | 2 +- + src/liblzma/api/lzma.h | 2 +- + src/liblzma/api/lzma/lzma.h | 420 ------------------------------------------ + src/liblzma/api/lzma/lzma12.h | 420 ++++++++++++++++++++++++++++++++++++++++++ + 4 files changed, 422 insertions(+), 422 deletions(-) + +commit 1555a9c5664afc7893a2b75e9970105437f01ef1 Author: Lasse Collin Date: 2014-04-25 17:53:42 +0300 @@ -127,7 +1068,7 @@ src/xzdec/Makefile.am | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) -commit ba3b5dd082db2cb5973e877a74221d739c663fb4 +commit 56056571df3377eaa6ae6233b3ccc5d72e81d43d Author: Lasse Collin Date: 2014-04-25 17:44:26 +0300 @@ -138,7 +1079,7 @@ configure.ac | 6 ++++++ 3 files changed, 14 insertions(+) -commit 3d4575f2367fe8f1f2dcacba014e6c0aef388535 +commit 6de61d8721097a6214810841aa85b08e303ac538 Author: Lasse Collin Date: 2014-04-24 18:06:24 +0300 @@ -156,7 +1097,7 @@ INSTALL | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) -commit b9f0584e3eff421eadbb6604de0b0b40bf87e129 +commit 54df428799a8d853639b753d0e6784694d73eb3e Author: Lasse Collin Date: 2014-04-09 17:26:10 +0300 @@ -172,16 +1113,82 @@ src/xz/signals.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) -commit cc41bcaf77c9c27ec09ef033fb3300e994e828e6 +commit 5876ca27daa1429676b1160007d9688266907f00 +Author: Lasse Collin +Date: 2014-01-29 20:19:41 +0200 + + Docs: Add example program for threaded encoding. + + I didn't add -DLZMA_UNSTABLE to Makefile so one has to + specify it manually as long as LZMA_UNSTABLE is needed. + + doc/examples/04_compress_easy_mt.c | 184 +++++++++++++++++++++++++++++++++++++ + doc/examples/Makefile | 3 +- + 2 files changed, 186 insertions(+), 1 deletion(-) + +commit 9494fb6d0ff41c585326f00aa8f7fe58f8106a5e +Author: Lasse Collin +Date: 2014-01-29 20:13:51 +0200 + + liblzma: Fix lzma_mt.preset not working with lzma_stream_encoder_mt(). + + It read the filter chain from a wrong variable. + + src/liblzma/common/stream_encoder_mt.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +commit 673a4cb53de3a715685cb1b836da57a3c7dcd43c +Author: Lasse Collin +Date: 2014-01-20 11:20:40 +0200 + + liblzma: Fix typo in a comment. + + src/liblzma/api/lzma/block.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit ad96a871a1470eb76d6233d3890ce9338047b7a3 +Author: Lasse Collin +Date: 2014-01-12 19:38:43 +0200 + + Windows: Add config.h for building liblzma with MSVC 2013. + + This is for building liblzma. Building xz tool too requires + a little more work. Maybe it will be supported, but for most + MSVC users it's enough to be able to build liblzma. + + C99 support in MSVC 2013 is almost usable which is a big + improvement over earlier versions. It's "almost" because + there's a dumb bug that breaks mixed declarations after + an "if" statements unless the "if" statement uses braces: + + https://connect.microsoft.com/VisualStudio/feedback/details/808650/visual-studio-2013-c99-compiler-bug + https://connect.microsoft.com/VisualStudio/feedback/details/808472/c99-support-of-mixed-declarations-and-statements-fails-with-certain-types-and-constructs + + Hopefully it will get fixed. Then liblzma should be + compilable with MSVC 2013 without patching. + + windows/config.h | 139 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 139 insertions(+) + +commit 3d5c090872fab4212b57c290e8ed4d02c78c1737 Author: Lasse Collin -Date: 2014-04-26 08:45:49 +0300 +Date: 2014-01-12 17:41:14 +0200 xz: Fix a comment. src/xz/coder.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -commit e34025d666852839388f997d076e3577847dd10f +commit 69fd4e1c932c7975476a0143c86e45d81b60d3f9 +Author: Lasse Collin +Date: 2014-01-12 17:04:33 +0200 + + Windows: Add MSVC defines for inline and restrict keywords. + + src/common/sysdefs.h | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +commit a19d9e8575ee6647cd9154cf1f20203f1330485f Author: Lasse Collin Date: 2014-01-12 16:44:52 +0200 @@ -193,7 +1200,7 @@ src/liblzma/lzma/lzma_encoder_presets.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) -commit 0b6168974f1fac3a06157039235b66e4161b9b42 +commit e28528f1c867b2ed4ac91195ad08efb9bb8a6263 Author: Lasse Collin Date: 2014-01-12 12:50:30 +0200 @@ -204,7 +1211,7 @@ src/liblzma/check/sha256.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit 41e436076cfdcccc7e853de73b0d56b3d6d42053 +commit 5ad1effc45adfb7dabc9a98e79736077e6b7e2d5 Author: Lasse Collin Date: 2014-01-12 12:17:08 +0200 @@ -217,16 +1224,17 @@ src/xz/suffix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit c33efefd4ef0931e5795e13725d4bd2203571ce0 +commit 3e62c68d75b5a3fdd46dbb34bb335d73289860d5 Author: Lasse Collin -Date: 2014-04-26 08:37:00 +0300 +Date: 2014-01-12 12:11:36 +0200 Fix typos in comments. + src/common/mythread.h | 2 +- src/liblzma/check/crc32_fast.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) + 2 files changed, 2 insertions(+), 2 deletions(-) -commit e560c82f1f5693d88db9dc71f656436135f17595 +commit e90ea601fb72867ec04adf456cbe4bf9520fd412 Author: Lasse Collin Date: 2013-11-26 18:20:16 +0200 @@ -235,7 +1243,7 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit 05192b32e553eac5dfbd646b6102d10187f29a05 +commit b22e94d8d15764416354e04729382a7371ae2c30 Author: Lasse Collin Date: 2013-11-26 18:20:09 +0200 @@ -246,7 +1254,60 @@ src/liblzma/api/lzma/block.h | 3 +++ 1 file changed, 3 insertions(+) -commit 0f35eafe51db7b1eb0711bc8cc829ea6896b34f4 +commit d1cd8b1cb824b72421d1ee370e628024d2fcbec4 +Author: Lasse Collin +Date: 2013-11-12 16:38:57 +0200 + + xz: Update the man page about --block-size and --block-list. + + src/xz/xz.1 | 24 +++++++++++++++--------- + 1 file changed, 15 insertions(+), 9 deletions(-) + +commit 76be7c612e6bcc38724488ccc3b8bcb1cfec9f0a +Author: Lasse Collin +Date: 2013-11-12 16:30:53 +0200 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit dd750acbe2259d75444ef0f8da2d4bacc90d7afc +Author: Lasse Collin +Date: 2013-11-12 16:29:48 +0200 + + xz: Make --block-list and --block-size work together in single-threaded. + + Previously, --block-list and --block-size only worked together + in threaded mode. Boundaries are specified by --block-list, but + --block-size specifies the maximum size for a Block. Now this + works in single-threaded mode too. + + Thanks to James M Leddy for the original patch. + + src/xz/coder.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++++---------- + 1 file changed, 75 insertions(+), 15 deletions(-) + +commit ae222fe9805d0161d022d75ba8485dab8bf6d7d5 +Author: Lasse Collin +Date: 2013-10-26 13:26:14 +0300 + + Bump the version number to 5.1.3alpha. + + src/liblzma/api/lzma/version.h | 2 +- + src/liblzma/liblzma.map | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +commit 2193837a6a597cd3bf4e9ddf49421a5697d8e155 +Author: Lasse Collin +Date: 2013-10-26 13:25:02 +0300 + + Update NEWS for 5.1.3alpha. + + NEWS | 35 +++++++++++++++++++++++++++++++++++ + 1 file changed, 35 insertions(+) + +commit ed48e75e2763876173aef8902da407a8eb28854b Author: Lasse Collin Date: 2013-10-26 12:47:04 +0300 @@ -255,7 +1316,120 @@ TODO | 4 ---- 1 file changed, 4 deletions(-) -commit fc9eaf81d718488b052e5c65f9d6f08acc858873 +commit 841da0352d79a56a44796a4c39163429c9f039a3 +Author: Lasse Collin +Date: 2013-10-25 22:41:28 +0300 + + xz: Document behavior of --block-list with threads. + + This needs to be updated before 5.2.0. + + src/xz/xz.1 | 24 +++++++++++++++++++++--- + 1 file changed, 21 insertions(+), 3 deletions(-) + +commit 56feb8665b78c1032aabd53c619c62af51defe64 +Author: Lasse Collin +Date: 2013-10-22 20:03:12 +0300 + + xz: Document --flush-timeout=TIMEOUT on the man page. + + src/xz/xz.1 | 37 ++++++++++++++++++++++++++++++++++++- + 1 file changed, 36 insertions(+), 1 deletion(-) + +commit ba413da1d5bb3324287cf3174922acd921165971 +Author: Lasse Collin +Date: 2013-10-22 19:51:55 +0300 + + xz: Take advantage of LZMA_FULL_BARRIER with --block-list. + + Now if --block-list is used in threaded mode, the encoder + won't need to flush at each Block boundary specified via + --block-list. This improves performance a lot, making + threading helpful with --block-list. + + The flush timer was reset after LZMA_FULL_FLUSH but since + LZMA_FULL_BARRIER doesn't flush, resetting the timer is + no longer done. + + src/xz/coder.c | 32 +++++++++++++++----------------- + 1 file changed, 15 insertions(+), 17 deletions(-) + +commit 0cd45fc2bc5537de287a0bc005e2d67467a92148 +Author: Lasse Collin +Date: 2013-10-02 20:05:23 +0300 + + liblzma: Support LZMA_FULL_FLUSH and _BARRIER in threaded encoder. + + Now --block-list=SIZES works with in the threaded mode too, + although the performance is still bad due to the use of + LZMA_FULL_FLUSH instead of the new LZMA_FULL_BARRIER. + + src/liblzma/common/stream_encoder_mt.c | 55 ++++++++++++++++++++++++---------- + 1 file changed, 39 insertions(+), 16 deletions(-) + +commit 97bb38712f414fabecca908af2e38a12570293fd +Author: Lasse Collin +Date: 2013-10-02 12:55:11 +0300 + + liblzma: Add LZMA_FULL_BARRIER support to single-threaded encoder. + + In the single-threaded encoder LZMA_FULL_BARRIER is simply + an alias for LZMA_FULL_FLUSH. + + src/liblzma/api/lzma/base.h | 37 ++++++++++++++++++++++++++++++------- + src/liblzma/common/common.c | 17 +++++++++++++++-- + src/liblzma/common/common.h | 7 ++++++- + src/liblzma/common/stream_encoder.c | 4 +++- + 4 files changed, 54 insertions(+), 11 deletions(-) + +commit fef0c6b410c08e581c9178700a4e7599f0895ff9 +Author: Lasse Collin +Date: 2013-09-17 11:57:51 +0300 + + liblzma: Add block_buffer_encoder.h into Makefile.inc. + + This should have been in b465da5988dd59ad98fda10c2e4ea13d0b9c73bc. + + src/liblzma/common/Makefile.inc | 1 + + 1 file changed, 1 insertion(+) + +commit 8083e03291b6d21c0f538163e187b4e8cd5594e4 +Author: Lasse Collin +Date: 2013-09-17 11:55:38 +0300 + + xz: Add a missing test for TUKLIB_DOSLIKE. + + src/xz/file_io.c | 2 ++ + 1 file changed, 2 insertions(+) + +commit 6b44b4a775fe29ecc7bcb7996e086e3bc09e5fd0 +Author: Lasse Collin +Date: 2013-09-17 11:52:28 +0300 + + Add native threading support on Windows. + + Now liblzma only uses "mythread" functions and types + which are defined in mythread.h matching the desired + threading method. + + Before Windows Vista, there is no direct equivalent to + pthread condition variables. Since this package doesn't + use pthread_cond_broadcast(), pre-Vista threading can + still be kept quite simple. The pre-Vista code doesn't + use anything that wasn't already available in Windows 95, + so the binaries should run even on Windows 95 if someone + happens to care. + + INSTALL | 41 ++- + configure.ac | 118 ++++++-- + src/common/mythread.h | 513 ++++++++++++++++++++++++++------- + src/liblzma/common/stream_encoder_mt.c | 83 +++--- + src/xz/coder.c | 8 +- + windows/README-Windows.txt | 2 +- + windows/build.bash | 23 +- + 7 files changed, 573 insertions(+), 215 deletions(-) + +commit ae0ab74a88d5b9b15845f1d9a24ade4349a54f9f Author: Lasse Collin Date: 2013-09-11 14:40:35 +0300 @@ -267,7 +1441,7 @@ configure.ac | 2 -- 1 file changed, 2 deletions(-) -commit 090c69dda59e00fc86d0792879bd921bb1156029 +commit 72975df6c8c59aaf849138ab3606e8fb6970596a Author: Lasse Collin Date: 2013-09-09 20:37:03 +0300 @@ -291,7 +1465,35 @@ src/liblzma/Makefile.am | 20 ++++++++++++++++++++ 2 files changed, 20 insertions(+), 1 deletion(-) -commit 1f35331332273de01c46897cafdb37f8e6e285db +commit 1c2b6e7e8382ed390f53e140f160488bb2205ecc +Author: Lasse Collin +Date: 2013-08-04 15:24:09 +0300 + + Fix the previous commit which broke the build. + + Apparently I didn't even compile-test the previous commit. + + Thanks to Christian Hesse. + + src/common/tuklib_cpucores.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit 124eb69c7857f618b4807588c51bc9ba21bf8691 +Author: Lasse Collin +Date: 2013-08-03 13:52:58 +0300 + + Windows: Add Windows support to tuklib_cpucores(). + + It is used for Cygwin too. I'm not sure if that is + a good or bad idea. + + Thanks to Vincent Torri. + + m4/tuklib_cpucores.m4 | 19 +++++++++++++++++-- + src/common/tuklib_cpucores.c | 13 ++++++++++++- + 2 files changed, 29 insertions(+), 3 deletions(-) + +commit eada8a875ce3fd521cb42e4ace2624d3d49c5f35 Author: Anders F Bjorklund Date: 2013-08-02 15:59:46 +0200 @@ -300,7 +1502,7 @@ macosx/build.sh | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) -commit 1415f1d94644f28e07d544bc1e06b0636081abee +commit be0100d01ca6a75899d051bee00acf17e6dc0c15 Author: Anders F Bjorklund Date: 2013-08-02 15:58:44 +0200 @@ -309,7 +1511,7 @@ macosx/build.sh | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) -commit 41913949b93414a21ae9fb1a8e9b7cdde8b37f98 +commit 416729e2d743f4b2fe9fd438eedeb98adce033c3 Author: Anders F Bjorklund Date: 2011-08-07 13:13:30 +0200 @@ -318,7 +1520,16 @@ macosx/build.sh | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) -commit 3dffda33f47dc220bb1738564fe02effa9da4c8e +commit 16581080e5f29f9a4e49efece21c5bf572323acc +Author: Lasse Collin +Date: 2013-07-15 14:08:41 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit 3e2b198ba37b624efd9c7caee2a435dc986b46c6 Author: Lasse Collin Date: 2013-07-15 14:08:02 +0300 @@ -329,7 +1540,110 @@ configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit b69900ed0b2f914fc6c0a180dcb522dbe5b80ea7 +commit dee6ad3d5915422bc30a6821efeacaeb8ca8ef00 +Author: Lasse Collin +Date: 2013-07-04 14:18:46 +0300 + + xz: Add preliminary support for --flush-timeout=TIMEOUT. + + When --flush-timeout=TIMEOUT is used, xz will use + LZMA_SYNC_FLUSH if read() would block and at least + TIMEOUT milliseconds has elapsed since the previous flush. + + This can be useful in realtime-like use cases where the + data is simultanously decompressed by another process + (possibly on a different computer). If new uncompressed + input data is produced slowly, without this option xz could + buffer the data for a long time until it would become + decompressible from the output. + + If TIMEOUT is 0, the feature is disabled. This is the default. + + This commit affects the compression side. Using xz for + the decompression side for the above purpose doesn't work + yet so well because there is quite a bit of input and + output buffering when decompressing. + + The --long-help or man page were not updated yet. + The details of this feature may change. + + src/xz/args.c | 7 +++++++ + src/xz/coder.c | 46 +++++++++++++++++++++++++++++++++++----------- + src/xz/file_io.c | 46 ++++++++++++++++++++++++++++++++++++---------- + 3 files changed, 78 insertions(+), 21 deletions(-) + +commit fa381acaf9a29a8114e1c0a97de99bab9adb014e +Author: Lasse Collin +Date: 2013-07-04 13:41:03 +0300 + + xz: Don't set src_eof=true after an I/O error because it's useless. + + src/xz/file_io.c | 3 --- + 1 file changed, 3 deletions(-) + +commit ea00545beace5b950f709ec21e46878e0f448678 +Author: Lasse Collin +Date: 2013-07-04 13:25:11 +0300 + + xz: Fix the test when to read more input. + + Testing for end of file was no longer correct after full flushing + became possible with --block-size=SIZE and --block-list=SIZES. + There was no bug in practice though because xz just made a few + unneeded zero-byte reads. + + src/xz/coder.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +commit 736903c64bef394c06685d79908e397bcb08b88f +Author: Lasse Collin +Date: 2013-07-04 12:51:57 +0300 + + xz: Move some of the timing code into mytime.[hc]. + + This switches units from microseconds to milliseconds. + + New clock_gettime(CLOCK_MONOTONIC) will be used if available. + There is still a fallback to gettimeofday(). + + src/xz/Makefile.am | 2 ++ + src/xz/coder.c | 5 +++ + src/xz/message.c | 54 +++++++++------------------------ + src/xz/mytime.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ + src/xz/mytime.h | 47 ++++++++++++++++++++++++++++ + src/xz/private.h | 1 + + 6 files changed, 158 insertions(+), 40 deletions(-) + +commit 24edf8d807e24ffaa1e793114d94cca3b970027d +Author: Lasse Collin +Date: 2013-07-01 14:35:03 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit c0627b3fceacfa1ed162f5f55235360ea26f569a +Author: Lasse Collin +Date: 2013-07-01 14:34:11 +0300 + + xz: Silence a warning seen with _FORTIFY_SOURCE=2. + + Thanks to Christian Hesse. + + src/xz/file_io.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +commit 1936718bb38ee394bd89836fdd4eabc0beb02443 +Author: Lasse Collin +Date: 2013-06-30 19:40:11 +0300 + + Update NEWS for 5.0.5. + + NEWS | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 52 insertions(+) + +commit a37ae8b5eb6093a530198f109c6f7a538c80ecf0 Author: Lasse Collin Date: 2013-06-30 18:02:27 +0300 @@ -346,26 +1660,24 @@ src/xzdec/xzdec.1 | 10 +++++----- 3 files changed, 10 insertions(+), 10 deletions(-) -commit cf4a1e1879d89be314ef3c064bd2656ea452f87e -Author: Lasse Collin -Date: 2013-06-30 15:55:09 +0300 - - Update NEWS for 5.0.5. - - NEWS | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 52 insertions(+) - -commit cb94bb6d1f34e1e93c2d634ea9c3b7dfb3981d05 +commit cdba9ddd870ae72fd6219a125662c20ec997f86c Author: Lasse Collin -Date: 2013-06-30 15:54:38 +0300 +Date: 2013-06-29 15:59:13 +0300 - Bump version and soname for 5.0.5. + xz: Use non-blocking I/O for the output file. + + Now both reading and writing should be without + race conditions with signals. + + They might still be signal handling issues left. + Signals are blocked during many operations to avoid + EINTR but it may cause problems e.g. if writing to + stderr blocks when trying to display an error message. - src/liblzma/Makefile.am | 2 +- - src/liblzma/api/lzma/version.h | 2 +- - 2 files changed, 2 insertions(+), 2 deletions(-) + src/xz/file_io.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++-------- + 1 file changed, 49 insertions(+), 8 deletions(-) -commit b7dee202d5b041ccae028d0c5433b83cecbe9e5d +commit e61a5c95da3fe31281d959e5e842885a8ba2b5bd Author: Lasse Collin Date: 2013-06-28 23:56:17 +0300 @@ -374,10 +1686,39 @@ It didn't affect the behavior of the code since -1 becomes true anyway. - src/xz/file_io.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) + src/xz/file_io.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit 9dc319eabb34a826f4945f91c71620f14a60e9e2 +Author: Lasse Collin +Date: 2013-06-28 23:48:05 +0300 + + xz: Use the self-pipe trick to avoid a race condition with signals. + + It is possible that a signal to set user_abort arrives right + before a blocking system call is made. In this case the call + may block until another signal arrives, while the wanted + behavior is to make xz clean up and exit as soon as possible. + + After this commit, the race condition is avoided with the + input side which already uses non-blocking I/O. The output + side still uses blocking I/O and thus has the race condition. + + src/xz/file_io.c | 56 ++++++++++++++++++++++++++++++++++++++++++++------------ + src/xz/file_io.h | 8 ++++++++ + src/xz/signals.c | 5 +++++ + 3 files changed, 57 insertions(+), 12 deletions(-) + +commit 3541bc79d0cfabc0ad155c99bfdad1289f17fec3 +Author: Lasse Collin +Date: 2013-06-28 22:51:02 +0300 + + xz: Use non-blocking I/O for the input file. -commit 265e7b44d804b47373f10b7da28350db7611cea6 + src/xz/file_io.c | 156 +++++++++++++++++++++++++++++++++++++++---------------- + 1 file changed, 111 insertions(+), 45 deletions(-) + +commit 78673a08bed5066c81e8a8e90d20e670c28ecfd5 Author: Lasse Collin Date: 2013-06-28 18:46:13 +0300 @@ -388,7 +1729,7 @@ src/xz/file_io.c | 4 ---- 1 file changed, 4 deletions(-) -commit 78c2f8db902195468b8249c432252a6b281db836 +commit a616fdad34b48b2932ef03fb87309dcc8b829527 Author: Lasse Collin Date: 2013-06-28 18:09:47 +0300 @@ -403,7 +1744,7 @@ src/xz/file_io.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) -commit 91750dff8f2c654ff636f12a2acdffe5492374b3 +commit 4a08a6e4c61c65ab763ab314100a6d7a3bb89298 Author: Lasse Collin Date: 2013-06-28 17:36:47 +0300 @@ -424,7 +1765,21 @@ src/xz/file_io.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) -commit e11888a79a4a77a69afde60445880d44f63d01aa +commit b790b435daa3351067f80a5973b647f8d55367a2 +Author: Lasse Collin +Date: 2013-06-28 14:55:37 +0300 + + xz: Fix assertion related to posix_fadvise(). + + Input file can be a FIFO or something else that doesn't + support posix_fadvise() so don't check the return value + even with an assertion. Nothing bad happens if the call + to posix_fadvise() fails. + + src/xz/file_io.c | 10 ++-------- + 1 file changed, 2 insertions(+), 8 deletions(-) + +commit 84d2da6c9dc252f441deb7626c2522202b005d4d Author: Lasse Collin Date: 2013-06-26 13:30:57 +0300 @@ -438,7 +1793,7 @@ src/xz/list.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) -commit f39ddd88f3222219ada88998cf30abfdd3e0e96c +commit 9376f5f8f762296f2173d61af9101112c36f38c0 Author: Lasse Collin Date: 2013-06-26 12:17:00 +0300 @@ -456,7 +1811,31 @@ configure.ac | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -commit cb84e278027a90e9827a6f4d3bb0b4d4744a2fbb +commit b7e200d7bd0a3c7c171c13ad37d68296d6f73374 +Author: Lasse Collin +Date: 2013-06-23 18:59:13 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit 46540e4c10923e363741ff5aab99e79fc0ce6ee8 +Author: Lasse Collin +Date: 2013-06-23 18:57:23 +0300 + + liblzma: Avoid a warning about a shadowed variable. + + On Mac OS X wait() is declared in that + we include one way or other so don't use "wait" as + a variable name. + + Thanks to Christian Kujau. + + src/liblzma/common/stream_encoder_mt.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +commit ebb501ec73cecc546c67117dd01b5e33c90bfb4a Author: Lasse Collin Date: 2013-06-23 17:36:47 +0300 @@ -471,16 +1850,16 @@ src/xz/list.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) -commit f01780fce454c7489f7dcbf806299b50da5f51b7 +commit c09e91dd236d3cabee0fc48312b3dc8cceae41ab Author: Lasse Collin -Date: 2013-06-26 10:58:58 +0300 +Date: 2013-06-21 22:08:11 +0300 Update THANKS. THANKS | 2 ++ 1 file changed, 2 insertions(+) -commit d98ede7d700b892e32d9c2f46563b6ebc566786d +commit eb6ca9854b8eb9fbf72497c1cf608d6b19d2d494 Author: Lasse Collin Date: 2013-06-21 22:04:45 +0300 @@ -491,7 +1870,7 @@ src/xz/xz.1 | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) -commit 19b447b64b3f520cd5b11429000b092f7c76709b +commit 0c0a1947e6ad90a0a10b7a5c39f6ab99a0aa5c93 Author: Lasse Collin Date: 2013-06-21 21:54:59 +0300 @@ -506,7 +1885,7 @@ src/xz/xz.1 | 35 +++++++++++++++++++++++------------ 1 file changed, 23 insertions(+), 12 deletions(-) -commit 45edf2966fc9a4d2eae8f84b2fa027fb4fa1df8b +commit 2fcda89939c903106c429e109083d43d894049e0 Author: Lasse Collin Date: 2013-06-21 21:50:26 +0300 @@ -534,17 +1913,7 @@ src/xz/coder.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) -commit b065984e5a9272eb50bc0c6d3731e6199c0ae8a8 -Author: Lasse Collin -Date: 2011-04-08 17:53:05 +0300 - - xz: Change size_t to uint32_t in a few places. - - src/xz/coder.c | 6 +++--- - src/xz/coder.h | 2 +- - 2 files changed, 4 insertions(+), 4 deletions(-) - -commit 32be621f52f2e1686db88baa7b01dc1ae338f426 +commit 97379c5ea758da3f8b0bc444d5f7fa43753ce610 Author: Lasse Collin Date: 2013-04-27 22:07:46 +0300 @@ -558,7 +1927,7 @@ configure.ac | 1 + 1 file changed, 1 insertion(+) -commit efb07cfba65e9e05984c02cd796c1b0338ce04dc +commit 8957c58609d3987c58aa72b96c436cf565cc4917 Author: Lasse Collin Date: 2013-04-15 19:29:09 +0300 @@ -575,7 +1944,7 @@ src/xzdec/xzdec.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) -commit e3c8be13699e2813f5e2879d8187444b46d82d89 +commit ed886e1a92534a24401d0e99c11f1dcff3b5220a Author: Lasse Collin Date: 2013-04-05 19:25:40 +0300 @@ -584,7 +1953,7 @@ THANKS | 2 ++ 1 file changed, 2 insertions(+) -commit ad8282efe483612f6b5544f9a0d2e4914fb2532a +commit 5019413a055ce29e660dbbf15e02443cb5a26c59 Author: Jeff Bastian Date: 2013-04-03 13:59:17 +0200 @@ -595,9 +1964,9 @@ src/scripts/xzgrep.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit 9271a3eb0e022b23e8712154be851d0afe4c02e4 +commit 5ea900cb5ad862bca81316729f92357c1fc040ce Author: Lasse Collin -Date: 2013-04-05 19:34:09 +0300 +Date: 2013-03-23 22:25:15 +0200 liblzma: Be less picky in lzma_alone_decoder(). @@ -618,17 +1987,56 @@ Reported here: http://sourceforge.net/projects/lzmautils/forums/forum/708858/topic/7068827 - - Conflicts: - src/liblzma/common/alone_decoder.c - src/liblzma/common/alone_decoder.h src/liblzma/common/alone_decoder.c | 22 ++++++++++++++-------- src/liblzma/common/alone_decoder.h | 5 +++-- src/liblzma/common/auto_decoder.c | 2 +- 3 files changed, 18 insertions(+), 11 deletions(-) -commit 211b931cee58626c1d2e021810cb108cb5cbc10f +commit bb117fffa84604b6e3811b068c80db82bf7f7b05 +Author: Lasse Collin +Date: 2013-03-23 21:55:13 +0200 + + liblzma: Use lzma_block_buffer_bound64() in threaded encoder. + + Now it uses lzma_block_uncomp_encode() if the data doesn't + fit into the space calculated by lzma_block_buffer_bound64(). + + src/liblzma/common/stream_encoder_mt.c | 66 +++++++++++++++++++++++++--------- + 1 file changed, 50 insertions(+), 16 deletions(-) + +commit e572e123b55b29527e54ce5f0807f115481d78b9 +Author: Lasse Collin +Date: 2013-03-23 21:51:38 +0200 + + liblzma: Fix another deadlock in the threaded encoder. + + This race condition could cause a deadlock if lzma_end() was + called before finishing the encoding. This can happen with + xz with debugging enabled (non-debugging version doesn't + call lzma_end() before exiting). + + src/liblzma/common/stream_encoder_mt.c | 9 ++++++--- + 1 file changed, 6 insertions(+), 3 deletions(-) + +commit b465da5988dd59ad98fda10c2e4ea13d0b9c73bc +Author: Lasse Collin +Date: 2013-03-23 19:17:33 +0200 + + liblzma: Add lzma_block_uncomp_encode(). + + This also adds a new internal function + lzma_block_buffer_bound64() which is similar to + lzma_block_buffer_bound() but uses uint64_t instead + of size_t. + + src/liblzma/api/lzma/block.h | 18 ++++++ + src/liblzma/common/block_buffer_encoder.c | 94 +++++++++++++++++++++---------- + src/liblzma/common/block_buffer_encoder.h | 24 ++++++++ + src/liblzma/liblzma.map | 1 + + 4 files changed, 106 insertions(+), 31 deletions(-) + +commit 9e6dabcf22ef4679f4faaae15ebd5b137ae2fad1 Author: Lasse Collin Date: 2013-03-05 19:14:50 +0200 @@ -643,7 +2051,54 @@ src/scripts/xzless.in | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) -commit 9f62fd9605eade23b62b07a235d1f02156f7a5c6 +commit e7b424d267a34803db8d92a3515528be2ed45abd +Author: Lasse Collin +Date: 2012-12-14 20:13:32 +0200 + + Make the progress indicator smooth in threaded mode. + + This adds lzma_get_progress() to liblzma and takes advantage + of it in xz. + + lzma_get_progress() collects progress information from + the thread-specific structures so that fairly accurate + progress information is available to applications. Adding + a new function seemed to be a better way than making the + information directly available in lzma_stream (like total_in + and total_out are) because collecting the information requires + locking mutexes. It's waste of time to do it more often than + the up to date information is actually needed by an application. + + src/liblzma/api/lzma/base.h | 22 +++++++++- + src/liblzma/common/common.c | 16 +++++++ + src/liblzma/common/common.h | 6 +++ + src/liblzma/common/stream_encoder_mt.c | 77 +++++++++++++++++++++++++++++++--- + src/liblzma/liblzma.map | 1 + + src/xz/message.c | 20 +++++---- + 6 files changed, 129 insertions(+), 13 deletions(-) + +commit 2ebbb994e367f55f2561aa7c9e7451703c171f2f +Author: Lasse Collin +Date: 2012-12-14 11:01:41 +0200 + + liblzma: Fix mythread_sync for nested locking. + + src/common/mythread.h | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +commit 4c7e28705f6de418d19cc77324ef301f996e01ff +Author: Lasse Collin +Date: 2012-12-13 21:05:36 +0200 + + xz: Mention --threads in --help. + + Thanks to Olivier Delhomme for pointing out that this + was still missing. + + src/xz/message.c | 4 ++++ + 1 file changed, 4 insertions(+) + +commit db5c1817fabf7cbb9e4087b1576eb26f0747338e Author: Jonathan Nieder Date: 2012-11-19 00:10:10 -0800 @@ -685,7 +2140,7 @@ src/scripts/xzless.in | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -commit 1d05980f5b5c2c94d833001daccacce4a466876e +commit 65536214a31ecd33b6b03b68a351fb597d3703d6 Author: Lasse Collin Date: 2012-10-03 15:54:24 +0300 @@ -694,7 +2149,7 @@ src/xz/xz.1 | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) -commit fb68497333598688d309a92838d91fd560f7e9f0 +commit 3d93b6354927247a1569caf22ad27b07e97ee904 Author: Lasse Collin Date: 2012-09-28 20:11:09 +0300 @@ -705,9 +2160,9 @@ src/xz/util.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) -commit 75013db6d4d63c195bd8b8d45729b4be0665a812 +commit ab225620664e235637833be2329935f9d290ba80 Author: Lasse Collin -Date: 2012-12-15 20:01:02 +0200 +Date: 2012-08-24 16:27:31 +0300 A few typo fixes to comments and the xz man page. @@ -718,7 +2173,16 @@ src/xz/xz.1 | 4 ++-- 3 files changed, 3 insertions(+), 4 deletions(-) -commit e44b21839b1dcbac5097be39b87dd2ddb6e114fd +commit f3c1ec69d910175ffd431fd82968dd35cec806ed +Author: Lasse Collin +Date: 2012-08-13 21:40:09 +0300 + + xz: Add a warning to --help about alpha and beta versions. + + src/xz/message.c | 5 +++++ + 1 file changed, 5 insertions(+) + +commit d8eaf9d8278c23c2cf2b7ca5562d4de570d3b5db Author: Lasse Collin Date: 2012-08-02 17:13:30 +0300 @@ -730,7 +2194,102 @@ configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit fd3dbb23ca7e75a7a888d7e897c381dc06308307 +commit 96e08902b09f0f304d4ff80c6e83ef7fff883f34 +Author: Lasse Collin +Date: 2012-07-17 18:29:08 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit 3778db1be53e61ff285c573af5ee468803008456 +Author: Lasse Collin +Date: 2012-07-17 18:19:59 +0300 + + liblzma: Make the use of lzma_allocator const-correct. + + There is a tiny risk of causing breakage: If an application + assigns lzma_stream.allocator to a non-const pointer, such + code won't compile anymore. I don't know why anyone would do + such a thing though, so in practice this shouldn't cause trouble. + + Thanks to Jan Kratochvil for the patch. + + src/liblzma/api/lzma/base.h | 4 +++- + src/liblzma/api/lzma/block.h | 6 ++--- + src/liblzma/api/lzma/container.h | 9 +++++--- + src/liblzma/api/lzma/filter.h | 13 ++++++----- + src/liblzma/api/lzma/index.h | 16 ++++++------- + src/liblzma/api/lzma/index_hash.h | 4 ++-- + src/liblzma/common/alone_decoder.c | 6 ++--- + src/liblzma/common/alone_decoder.h | 2 +- + src/liblzma/common/alone_encoder.c | 8 +++---- + src/liblzma/common/auto_decoder.c | 6 ++--- + src/liblzma/common/block_buffer_decoder.c | 2 +- + src/liblzma/common/block_buffer_encoder.c | 4 ++-- + src/liblzma/common/block_decoder.c | 6 ++--- + src/liblzma/common/block_decoder.h | 2 +- + src/liblzma/common/block_encoder.c | 8 +++---- + src/liblzma/common/block_encoder.h | 2 +- + src/liblzma/common/block_header_decoder.c | 4 ++-- + src/liblzma/common/common.c | 10 ++++----- + src/liblzma/common/common.h | 20 +++++++++-------- + src/liblzma/common/easy_buffer_encoder.c | 4 ++-- + src/liblzma/common/filter_buffer_decoder.c | 3 ++- + src/liblzma/common/filter_buffer_encoder.c | 7 +++--- + src/liblzma/common/filter_common.c | 4 ++-- + src/liblzma/common/filter_common.h | 2 +- + src/liblzma/common/filter_decoder.c | 7 +++--- + src/liblzma/common/filter_decoder.h | 2 +- + src/liblzma/common/filter_encoder.c | 2 +- + src/liblzma/common/filter_encoder.h | 2 +- + src/liblzma/common/filter_flags_decoder.c | 2 +- + src/liblzma/common/index.c | 26 ++++++++++----------- + src/liblzma/common/index_decoder.c | 12 +++++----- + src/liblzma/common/index_encoder.c | 6 ++--- + src/liblzma/common/index_encoder.h | 2 +- + src/liblzma/common/index_hash.c | 6 +++-- + src/liblzma/common/outqueue.c | 4 ++-- + src/liblzma/common/outqueue.h | 5 +++-- + src/liblzma/common/stream_buffer_decoder.c | 2 +- + src/liblzma/common/stream_buffer_encoder.c | 3 ++- + src/liblzma/common/stream_decoder.c | 9 ++++---- + src/liblzma/common/stream_decoder.h | 5 +++-- + src/liblzma/common/stream_encoder.c | 10 ++++----- + src/liblzma/common/stream_encoder_mt.c | 16 ++++++------- + src/liblzma/delta/delta_common.c | 4 ++-- + src/liblzma/delta/delta_decoder.c | 6 ++--- + src/liblzma/delta/delta_decoder.h | 5 +++-- + src/liblzma/delta/delta_encoder.c | 6 ++--- + src/liblzma/delta/delta_encoder.h | 3 ++- + src/liblzma/delta/delta_private.h | 2 +- + src/liblzma/lz/lz_decoder.c | 8 +++---- + src/liblzma/lz/lz_decoder.h | 7 +++--- + src/liblzma/lz/lz_encoder.c | 19 ++++++++-------- + src/liblzma/lz/lz_encoder.h | 6 ++--- + src/liblzma/lzma/lzma2_decoder.c | 8 +++---- + src/liblzma/lzma/lzma2_decoder.h | 5 +++-- + src/liblzma/lzma/lzma2_encoder.c | 6 ++--- + src/liblzma/lzma/lzma2_encoder.h | 2 +- + src/liblzma/lzma/lzma_decoder.c | 8 +++---- + src/liblzma/lzma/lzma_decoder.h | 7 +++--- + src/liblzma/lzma/lzma_encoder.c | 7 +++--- + src/liblzma/lzma/lzma_encoder.h | 5 +++-- + src/liblzma/simple/arm.c | 8 ++++--- + src/liblzma/simple/armthumb.c | 8 ++++--- + src/liblzma/simple/ia64.c | 8 ++++--- + src/liblzma/simple/powerpc.c | 8 ++++--- + src/liblzma/simple/simple_coder.c | 10 ++++----- + src/liblzma/simple/simple_coder.h | 36 ++++++++++++++++++++---------- + src/liblzma/simple/simple_decoder.c | 2 +- + src/liblzma/simple/simple_decoder.h | 2 +- + src/liblzma/simple/simple_private.h | 3 ++- + src/liblzma/simple/sparc.c | 8 ++++--- + src/liblzma/simple/x86.c | 8 ++++--- + 71 files changed, 269 insertions(+), 219 deletions(-) + +commit d625c7cf824fd3b61c6da84f56179e94917ff603 Author: Lasse Collin Date: 2012-07-05 07:36:28 +0300 @@ -739,7 +2298,7 @@ tests/test_block.c | 52 ---------------------------------------------------- 1 file changed, 52 deletions(-) -commit 05a735d279d74af437c31f25f69aded4713c1a3d +commit 0b09d266cce72bc4841933b171e79551e488927c Author: Lasse Collin Date: 2012-07-05 07:33:35 +0300 @@ -752,7 +2311,21 @@ Makefile.am | 1 + 1 file changed, 1 insertion(+) -commit 4e6d62793b5e7b87edcc93c7ded072c1ecd94173 +commit d6e0b23d4613b9f417893dd96cc168c8005ece3d +Author: Lasse Collin +Date: 2012-07-05 07:28:53 +0300 + + Build: Include validate_map.sh in the distribution. + + It's required by "make mydist". + + Fix also the location of EXTRA_DIST+= so that those files + get distributed also if symbol versioning isn't enabled. + + src/liblzma/Makefile.am | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit 19de545d86097c3954d69ab5d12820387f6a09bc Author: Lasse Collin Date: 2012-07-05 07:24:45 +0300 @@ -761,7 +2334,7 @@ debug/README | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit dd95b5e7614baf1f07a1316b5106bd616a9efa79 +commit 672eccf57c31a40dfb956b7662db06d43e18618e Author: Lasse Collin Date: 2012-07-05 07:23:17 +0300 @@ -773,35 +2346,132 @@ debug/Makefile.am | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-) -commit 20778053a07eb90c159c1377ca8dc05a90fd530b +commit cafb523adac1caf305e70a04bc37f25602bf990c Author: Lasse Collin -Date: 2012-06-22 14:36:16 +0300 +Date: 2012-07-04 22:31:58 +0300 - xz: Update man page date to match the latest update. + xz: Document --block-list better. + + Thanks to Jonathan Nieder. - src/xz/xz.1 | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) + src/xz/xz.1 | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) -commit 2cefa84af676da37d7e9c466d55d46c67ab00c22 +commit c7ff218528bc8f7c65e7ef73c6515777346c6794 Author: Lasse Collin -Date: 2012-06-22 10:25:43 +0300 +Date: 2012-07-04 20:01:49 +0300 - Bump version and soname for 5.0.4. + Bump the version number to 5.1.2alpha. - src/liblzma/Makefile.am | 2 +- src/liblzma/api/lzma/version.h | 2 +- + src/liblzma/liblzma.map | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -commit 433fec191a17e45690809e54146ea7a773f54cff +commit 8f3c1d886f93e6478ad509ff52102b2ce7faa999 Author: Lasse Collin -Date: 2012-06-22 10:25:09 +0300 +Date: 2012-07-04 20:01:19 +0300 - Update NEWS for 5.0.4. + Update NEWS for 5.1.2alpha. - NEWS | 25 +++++++++++++++++++------ - 1 file changed, 19 insertions(+), 6 deletions(-) + NEWS | 41 +++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 41 insertions(+) + +commit 0d5fa05466e580fbc458820f87013ae7644e20e5 +Author: Lasse Collin +Date: 2012-07-04 19:58:23 +0300 + + xz: Fix the version number printed by xz -lvv. + + The decoder bug was fixed in 5.0.2 instead of 5.0.3. + + src/xz/list.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +commit df11317985a4165731dde12bb0f0028da0e7b77f +Author: Lasse Collin +Date: 2012-07-04 17:11:31 +0300 + + Build: Add a comment to configure.ac about symbol versioning. + + configure.ac | 4 ++++ + 1 file changed, 4 insertions(+) + +commit bd9cc179e8be3ef515201d3ed9c7dd79ae88869d +Author: Lasse Collin +Date: 2012-07-04 17:06:49 +0300 + + Update TODO. + + TODO | 12 ++++++++++-- + 1 file changed, 10 insertions(+), 2 deletions(-) + +commit 4a238dd9b22f462cac5e199828bf1beb0df05884 +Author: Lasse Collin +Date: 2012-07-04 17:05:46 +0300 + + Document --enable-symbol-versions in INSTALL. + + INSTALL | 5 +++++ + 1 file changed, 5 insertions(+) + +commit 88ccf47205d7f3aa314d358c72ef214f10f68b43 +Author: Lasse Collin +Date: 2012-07-03 21:16:39 +0300 + + xz: Add incomplete support for --block-list. + + It's broken with threads and when also --block-size is used. -commit 711fa680f552a4003df73b37e6dc4d6e00b47bcd + src/xz/args.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + src/xz/args.h | 1 + + src/xz/coder.c | 48 ++++++++++++++++++++++++++++------ + src/xz/coder.h | 4 +++ + src/xz/main.c | 1 + + src/xz/message.c | 6 +++++ + src/xz/xz.1 | 23 +++++++++++++++-- + 7 files changed, 151 insertions(+), 10 deletions(-) + +commit 972179cdcdf5d8949c48ee31737d87d3050b44af +Author: Lasse Collin +Date: 2012-07-01 18:44:33 +0300 + + xz: Update the man page about the new field in --robot -lvv. + + src/xz/xz.1 | 18 +++++++++++++++++- + 1 file changed, 17 insertions(+), 1 deletion(-) + +commit 1403707fc64a70976aebe66f8d9a9bd12f73a2c5 +Author: Lasse Collin +Date: 2012-06-28 10:47:49 +0300 + + liblzma: Check that the first byte of range encoded data is 0x00. + + It is just to be more pedantic and thus perhaps catch broken + files slightly earlier. + + src/liblzma/lzma/lzma_decoder.c | 8 ++++++-- + src/liblzma/rangecoder/range_decoder.h | 12 +++++++++--- + 2 files changed, 15 insertions(+), 5 deletions(-) + +commit eccd8017ffe2c5de473222c4963ec53c62f7fda2 +Author: Lasse Collin +Date: 2012-06-22 19:00:23 +0300 + + Update NEWS from 5.0.4. + + NEWS | 37 +++++++++++++++++++++++++++++++++++++ + 1 file changed, 37 insertions(+) + +commit 2e6754eac26a431e8d340c28906f63bcd1e177e8 +Author: Lasse Collin +Date: 2012-06-22 14:34:03 +0300 + + xz: Update man page date to match the latest update. + + src/xz/xz.1 | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit b3235a0b1af45d5e1244cbe3191516966c076fa0 Author: Lasse Collin Date: 2012-06-18 21:27:47 +0300 @@ -812,7 +2482,7 @@ doc/examples/01_compress_easy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit 3d7ab1dc61a75c560828be5df96598388b771456 +commit f1675f765fe228cb5a5f904f853445a03e33cfe9 Author: Lasse Collin Date: 2012-06-14 20:15:30 +0300 @@ -821,7 +2491,7 @@ Makefile.am | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) -commit ef8b8e5f111469b5bc005975f7abb9abbd372b25 +commit 3a0c5378abefaf86aa39a62a7c9682bdb21568a1 Author: Lasse Collin Date: 2012-06-14 10:52:33 +0300 @@ -838,7 +2508,7 @@ doc/examples/Makefile | 23 +++ 5 files changed, 827 insertions(+) -commit 75c149bc8045a26f8bc719cb8ed20668dab79091 +commit 1bd2c2c553e30c4a73cfb82abc6908efd6be6b8d Author: Lasse Collin Date: 2012-06-14 10:33:27 +0300 @@ -854,7 +2524,7 @@ doc/examples_old/xz_pipe_decomp.c | 123 ++++++++++++++++++++++++++++++++++++ 4 files changed, 250 insertions(+), 250 deletions(-) -commit 456307ebf947a5f50bd995d617b99c1215572308 +commit 905f0ab5b5ce544d4b68a2ed6077df0f3d021292 Author: Lasse Collin Date: 2012-06-14 10:33:01 +0300 @@ -863,29 +2533,29 @@ doc/examples/xz_pipe_decomp.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) -commit 4c310b8a29bc257e6ccbd2310f12f258678f3fef +commit 4bd1a3bd5fdf4870b2f96dd0b8a21657c8a58ad8 Author: Lasse Collin -Date: 2012-05-31 15:53:25 +0300 +Date: 2012-05-30 23:14:33 +0300 - Translations: Update the Italian translation. + Translations: Update the French translation. - Thanks to Milo Casagrande. + Thanks to Adrien Nader. - po/it.po | 311 ++++++++++++++++++++++++++++++--------------------------------- - 1 file changed, 146 insertions(+), 165 deletions(-) + po/fr.po | 148 ++++++++++++++++++++++++++++++++++----------------------------- + 1 file changed, 79 insertions(+), 69 deletions(-) -commit ec32b79366dc47a55ea877589df9e8509ba113a7 +commit d2e836f2f3a87df6fe6bb0589b037db51205d910 Author: Lasse Collin -Date: 2012-05-30 23:15:07 +0300 +Date: 2012-05-29 23:42:37 +0300 - Translations: Update the French translation. + Translations: Update the German translation. - Thanks to Adrien Nader. + The previous only included the new strings in v5.0. - po/fr.po | 237 +++++++++++++++++++++++++++++++-------------------------------- - 1 file changed, 118 insertions(+), 119 deletions(-) + po/de.po | 229 +++++++++++++++++++++++++++++++++++++-------------------------- + 1 file changed, 133 insertions(+), 96 deletions(-) -commit dd06f40e4dd7649525e4f28d890dc238a3aa37e5 +commit c9a16151577ba459afd6e3528df23bc0ddb95171 Author: Lasse Collin Date: 2012-05-29 22:26:27 +0300 @@ -894,25 +2564,16 @@ po/de.po | 169 ++++++++++++++++++++++++++++++++++----------------------------- 1 file changed, 91 insertions(+), 78 deletions(-) -commit c66808d1f55d0149ed57c536cc9b52e9c8b583bc +commit 1530a74fd48f8493372edad137a24541efe24713 Author: Lasse Collin -Date: 2012-05-29 22:12:57 +0300 +Date: 2012-05-29 22:14:21 +0300 Translations: Update Polish translation. - po/pl.po | 150 ++++++++++++++++++++++++++++++++++----------------------------- - 1 file changed, 82 insertions(+), 68 deletions(-) - -commit 556c22dfed195c1466b298183b850d6c28544900 -Author: Lasse Collin -Date: 2012-05-29 13:10:36 +0300 - - Preliminary NEWS for 5.0.4. + po/pl.po | 283 +++++++++++++++++++++++++++++++++++++-------------------------- + 1 file changed, 165 insertions(+), 118 deletions(-) - NEWS | 24 ++++++++++++++++++++++++ - 1 file changed, 24 insertions(+) - -commit dd13b66bf582f49d3aec36e3410ff8541b7506da +commit d8db706acb8316f9861abd432cfbe001dd6d0c5c Author: Lasse Collin Date: 2012-05-28 20:42:11 +0300 @@ -947,7 +2608,7 @@ tests/test_bcj_exact_size.c | 112 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 116 insertions(+), 2 deletions(-) -commit a0223bf796fdaad51a11ad02c4195c694849cc78 +commit 3f94b6d87f1b8f1c421ba548f8ebb83dca9c8cda Author: Lasse Collin Date: 2012-05-28 15:38:32 +0300 @@ -956,7 +2617,7 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit 86e57e4bfefe3fd8e13615c41604165bb2359501 +commit 7769ea051d739a38a1640fd448cf5eb83cb119c6 Author: Lasse Collin Date: 2012-05-28 15:37:43 +0300 @@ -965,7 +2626,7 @@ src/xz/message.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) -commit 13e44a94da19d1ef14832ff12d3877a6fd2c54c0 +commit ec921105725e4d3ef0a683dd83eee6f24ab60ccd Author: Lasse Collin Date: 2012-05-27 22:30:17 +0300 @@ -978,7 +2639,7 @@ src/xz/xz.1 | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) -commit 2f90345e13ab8fea4de45a4f1caa73ebc63a62e7 +commit 27d24eb0a9f6eed96d6a4594c2b0bf7a91d29f9a Author: Lasse Collin Date: 2012-05-27 21:53:20 +0300 @@ -990,7 +2651,16 @@ src/xz/message.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit 8d4864f53ffae5d862c691a0b334a6b69bc5366e +commit ab25b82a91754d9388c89abddf806424671d9431 +Author: Lasse Collin +Date: 2012-05-24 18:33:54 +0300 + + Build: Upgrade m4/acx_pthread.m4 to the latest version. + + m4/ax_pthread.m4 | 98 +++++++++++++++++++++++++++++++++++--------------------- + 1 file changed, 62 insertions(+), 36 deletions(-) + +commit d05d6d65c41a4bc83f162fa3d67c5d84e8751634 Author: Lasse Collin Date: 2012-05-10 21:15:17 +0300 @@ -999,7 +2669,7 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit 35e9c58abb0ce3993da844aaeaa3e7231cd2be8f +commit e077391982f9f28dbfe542bba8800e7c5b916666 Author: Lasse Collin Date: 2012-05-10 21:14:16 +0300 @@ -1009,7 +2679,7 @@ doc/history.txt | 49 +++++++++++++++++++++++++------------------------ 2 files changed, 31 insertions(+), 30 deletions(-) -commit 532b3e4c568a228309b56f95c13435fd078dbe02 +commit fc39849c350225c6a1cd7f6e6adff1020521eabc Author: Benno Schulenberg Date: 2012-03-13 22:04:04 +0100 @@ -1025,7 +2695,7 @@ doc/history.txt | 58 ++++++++++++++++++++++++++++----------------------------- 4 files changed, 65 insertions(+), 65 deletions(-) -commit afb6ce8c82ffef8f2505a3759da72a733c7b0b8f +commit 29fa0566d5df199cb9acb2d17bf7eea61acc7fa1 Author: Lasse Collin Date: 2012-04-29 11:51:25 +0300 @@ -1034,7 +2704,7 @@ windows/README-Windows.txt | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) -commit 7c3ba2ed5c3c878d4a14ca549b46dbff60c6d565 +commit aac1b31ea4e66cf5a7a8c116bdaa15aa45e6c56e Author: Lasse Collin Date: 2012-04-19 15:25:26 +0300 @@ -1044,7 +2714,7 @@ src/liblzma/simple/simple_private.h | 3 +-- 2 files changed, 1 insertion(+), 5 deletions(-) -commit f55db9c187651094f43881c49db2b2d9ffee6b80 +commit df14a46013bea70c0bd35be7821b0b9108f97de7 Author: Lasse Collin Date: 2012-04-19 14:17:52 +0300 @@ -1056,7 +2726,16 @@ dos/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit 203edff4c761dbd7cac76ea66e4eed501c23e7a3 +commit 03ed742a3a4931bb5c821357832083b26f577b13 +Author: Lasse Collin +Date: 2012-04-19 14:02:25 +0300 + + liblzma: Fix Libs.private in liblzma.pc to include -lrt when needed. + + src/liblzma/liblzma.pc.in | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit 8c5b13ad59df70f49429bfdfd6ac120b8f892fda Author: Lasse Collin Date: 2012-04-19 13:58:55 +0300 @@ -1065,7 +2744,7 @@ INSTALL | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) -commit f0a8f95c215628967b7cf9bd9b0a9e4172f50bb4 +commit c7376fc415a1566f38b2de4b516a17013d516a8b Author: Lasse Collin Date: 2012-02-22 14:23:13 +0200 @@ -1074,7 +2753,7 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit b7ad23fa78646036c0290cd91eada939c9a31526 +commit cff070aba6281ba743d29a62b8c0c66e5da4b2a6 Author: Lasse Collin Date: 2012-02-22 14:02:34 +0200 @@ -1095,7 +2774,7 @@ src/scripts/xzgrep.in | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -commit 4e19fbb04a0035030406482319e264426459eb24 +commit 41cafb2bf9beea915710ee68f05fe929cd17759c Author: Lasse Collin Date: 2012-02-22 12:08:43 +0200 @@ -1104,9 +2783,9 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit c6fa03a427e3d1320794102cee3ff4f5ae00eb36 +commit 2dcea03712fa881930d69ec9eff70855c3d126d9 Author: Lasse Collin -Date: 2012-05-24 18:47:52 +0300 +Date: 2012-02-22 12:00:16 +0200 Fix compiling with IBM XL C on AIX. @@ -1114,20 +2793,7 @@ configure.ac | 6 +++++- 2 files changed, 27 insertions(+), 15 deletions(-) -commit 7b6ffc98645e1b3b302b6680be0a901d1ebf7358 -Author: Lasse Collin -Date: 2012-05-24 18:37:08 +0300 - - Build: Upgrade m4/acx_pthread.m4 to the latest version. - - It was renamed to ax_pthread.m4 in Autoconf Archive. - - configure.ac | 2 +- - m4/acx_pthread.m4 | 279 ------------------------------------------------ - m4/ax_pthread.m4 | 309 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 310 insertions(+), 280 deletions(-) - -commit bfac2be5023994fcc53de2844e7dd3af61910dc2 +commit 7db6bdf4abcf524115be2cf5659ed540cef074c5 Author: Lasse Collin Date: 2012-01-10 17:13:03 +0200 @@ -1139,7 +2805,7 @@ tests/create_compress_files.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -commit df85e156716a4eecb7e2978691f03f729444d998 +commit 694952d545b6cf056547893ced69486eff9ece55 Author: Lasse Collin Date: 2011-12-19 21:21:29 +0200 @@ -1148,7 +2814,18 @@ README | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) -commit d06d32f108c8278c25c24b2e8666bda7b2ec23b5 +commit 418fe668b3c53a9a20020b6cc652aaf25c734b29 +Author: Lasse Collin +Date: 2011-11-07 13:07:52 +0200 + + xz: Show minimum required XZ Utils version in xz -lvv. + + Man page wasn't updated yet. + + src/xz/list.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++------ + 1 file changed, 57 insertions(+), 6 deletions(-) + +commit 7081d82c37326bac97184e338345fa1c327e3580 Author: Lasse Collin Date: 2011-11-04 17:57:16 +0200 @@ -1159,7 +2836,7 @@ src/xz/args.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit 636fdcfbf542f1e84db2c4736004d84be4b12c84 +commit 232fe7cd70ad258d6a37f17e860e0f1b1891eeb5 Author: Lasse Collin Date: 2011-11-03 17:08:02 +0200 @@ -1168,7 +2845,7 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit 55fd02f83ecd6cbd6925a3e8a3d43b8d4ef2a17c +commit 74d2bae4d3449c68453b0473dd3430ce91fd90c1 Author: Lasse Collin Date: 2011-11-03 17:07:22 +0200 @@ -1179,7 +2856,42 @@ src/xz/coder.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -commit 4052f36053b931bad847a36aabf1a07d0034e297 +commit 4ac4923f47cc0ef97dd9ca5cfcc44fc53eeab34a +Author: Lasse Collin +Date: 2011-10-23 17:09:10 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit ab50ae3ef40c81e5bf613905ca3fd636548b75e7 +Author: Lasse Collin +Date: 2011-10-23 17:08:14 +0300 + + liblzma: Fix invalid free() in the threaded encoder. + + It was triggered if initialization failed e.g. due to + running out of memory. + + Thanks to Arkadiusz Miskiewicz. + + src/liblzma/common/outqueue.c | 4 ++++ + 1 file changed, 4 insertions(+) + +commit 6b620a0f0813d28c3c544b4ff8cb595b38a6e908 +Author: Lasse Collin +Date: 2011-10-23 17:05:55 +0300 + + liblzma: Fix a deadlock in the threaded encoder. + + It was triggered when reinitializing the encoder, + e.g. when encoding two files. + + src/liblzma/common/stream_encoder_mt.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +commit bd52cf150ecd51e3ab63a9cc1a3cff6a77500178 Author: Lasse Collin Date: 2011-09-06 12:03:41 +0300 @@ -1189,7 +2901,7 @@ windows/build.bash | 2 ++ 2 files changed, 7 insertions(+), 2 deletions(-) -commit 0f25758459c74c366a73f35d47ee12b75890bb79 +commit 5c5b2256969ac473001b7d67615ed3bd0a54cc82 Author: Lasse Collin Date: 2011-08-09 21:19:13 +0300 @@ -1198,7 +2910,7 @@ THANKS | 2 ++ 1 file changed, 2 insertions(+) -commit 70f03b51ffcb783646b20de8d97b6986c4280eec +commit 5b1e1f10741af9e4bbe4cfc3261fb7c7b04f7809 Author: Lasse Collin Date: 2011-08-09 21:16:44 +0300 @@ -1207,7 +2919,7 @@ src/common/sysdefs.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) -commit f138bdf76a70029e8360062a0b227936b83b24c9 +commit e9ed88126eee86e2511fa42681a5c7104820cf0a Author: Lasse Collin Date: 2011-08-06 20:37:28 +0300 @@ -1225,7 +2937,7 @@ tests/test_scripts.sh | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) -commit 2c144a0365c84dbf1b6722466746d42f2563a319 +commit 1c673e5681720491a74fc4b2992e075f47302c22 Author: Lasse Collin Date: 2011-07-31 11:01:47 +0300 @@ -1247,16 +2959,7 @@ tests/test_scripts.sh | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 59 insertions(+), 1 deletion(-) -commit edf339227a966f24aebe1845fcca9429b8f6e318 -Author: Anders F Bjorklund -Date: 2010-11-05 12:56:11 +0100 - - add build script for macosx universal - - macosx/build.sh | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 92 insertions(+) - -commit 7fcc6334ea8923550ba6b5347ff99dc8432234b0 +commit 324cde7a864f4506c32ae7846d688c359a83fe65 Author: Lasse Collin Date: 2011-06-16 12:15:29 +0300 @@ -1265,7 +2968,16 @@ src/liblzma/lz/lz_encoder_hash.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit 631f4d3ae6adfda84d1a110781d9402c12e16cfc +commit 492c86345551a51a29bf18e55fe55a5e86f169ce +Author: Lasse Collin +Date: 2011-05-28 19:24:56 +0300 + + Build: Make configure print if symbol versioning is enabled or not. + + configure.ac | 2 ++ + 1 file changed, 2 insertions(+) + +commit fc4d4436969bd4d71b704d400a165875e596034a Author: Lasse Collin Date: 2011-05-28 16:43:26 +0300 @@ -1276,18 +2988,47 @@ src/common/tuklib_open_stdxxx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -commit c89faf4c9e5970e7f7f8a25521ed9aa62d1a2d9a +commit bd35d903a04c4d388adb4065b0fa271302380895 +Author: Lasse Collin +Date: 2011-05-28 15:55:39 +0300 + + liblzma: Use symbol versioning. + + Symbol versioning is enabled by default on GNU/Linux, + other GNU-based systems, and FreeBSD. + + I'm not sure how stable this is, so it may need + backward-incompatible changes before the next release. + + The idea is that alpha and beta symbols are considered + unstable and require recompiling the applications that + use those symbols. Once a symbol is stable, it may get + extended with new features in ways that don't break + compatibility with older ABI & API. + + The mydist target runs validate_map.sh which should + catch some probable problems in liblzma.map. Otherwise + I would forget to update the map file for new releases. + + Makefile.am | 1 + + configure.ac | 21 +++++++++ + src/liblzma/Makefile.am | 6 +++ + src/liblzma/liblzma.map | 105 ++++++++++++++++++++++++++++++++++++++++++++ + src/liblzma/validate_map.sh | 68 ++++++++++++++++++++++++++++ + 5 files changed, 201 insertions(+) + +commit afbb244362c9426a37ce4eb9d54aab768da3adad Author: Lasse Collin -Date: 2011-05-28 09:47:56 +0300 +Date: 2011-05-28 09:46:46 +0300 - Translations: Update Italian translation. + Translations: Update the Italian translation. Thanks to Milo Casagrande. - po/it.po | 333 +++++++++++++++++++++++++++++++++++---------------------------- - 1 file changed, 184 insertions(+), 149 deletions(-) + po/it.po | 365 +++++++++++++++++++++++++++++++++++++-------------------------- + 1 file changed, 216 insertions(+), 149 deletions(-) -commit 6fe2fc9b6ab5bf6848140823e9536370834f42fb +commit 79bef85e0543c0c3723281c3c817616c6cec343b Author: Lasse Collin Date: 2011-05-28 08:46:04 +0300 @@ -1297,7 +3038,7 @@ tests/files/bad-1-block_header-6.xz | Bin 0 -> 72 bytes 2 files changed, 4 insertions(+) -commit 6c4d4db2bc8d8b682bd927144d37daa2ab21a6d6 +commit c0297445064951807803457dca1611b3c47e7f0f Author: Lasse Collin Date: 2011-05-27 22:25:44 +0300 @@ -1309,7 +3050,7 @@ src/xz/list.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) -commit 844f84fcad9670c543550edf7c7e42630c8f7715 +commit 8bd91918ac50731f00b1a2a48072980572eb2ff9 Author: Lasse Collin Date: 2011-05-27 22:09:49 +0300 @@ -1320,35 +3061,34 @@ src/liblzma/common/index.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) -commit 240e8b9791df597063a3b68d04ffcb3aa4f2de6a +commit fe00f95828ef5627721b57e054f7eb2d42a2c961 Author: Lasse Collin -Date: 2011-05-23 18:30:30 +0300 +Date: 2011-05-24 00:23:46 +0300 - Build: Set GZIP_ENV=-9n in top-level Makefile.am. + Build: Fix checking for system-provided SHA-256. - Makefile.am | 3 +++ - 1 file changed, 3 insertions(+) + configure.ac | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) -commit e32cb264ea72a4459810f30abad70dae5a4fa17d +commit 21b45b9bab541f419712cbfd473ccc31802e0397 Author: Lasse Collin -Date: 2011-05-21 16:59:22 +0300 +Date: 2011-05-23 18:30:30 +0300 - Bump version and soname for 5.0.3. + Build: Set GZIP_ENV=-9n in top-level Makefile.am. - src/liblzma/Makefile.am | 2 +- - src/liblzma/api/lzma/version.h | 2 +- - 2 files changed, 2 insertions(+), 2 deletions(-) + Makefile.am | 3 +++ + 1 file changed, 3 insertions(+) -commit 65cff45f8fd1c250491557157cce0f5f38481082 +commit 48053e8a4550233af46359024538bff90c870ab1 Author: Lasse Collin -Date: 2011-05-21 16:56:53 +0300 +Date: 2011-05-22 16:42:11 +0300 Update NEWS for 5.0.3. - NEWS | 36 ++++++++++++++++++++++++++++++++++-- - 1 file changed, 34 insertions(+), 2 deletions(-) + NEWS | 32 ++++++++++++++++++++++++++++++++ + 1 file changed, 32 insertions(+) -commit 316c67ffdae1f811ac95e838d5290a013bff4ca7 +commit bba37df2c9e54ad773e15ff00a09d2d6989fb3b2 Author: Lasse Collin Date: 2011-05-21 16:28:44 +0300 @@ -1361,18 +3101,53 @@ po/fr.po | 864 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 865 insertions(+) -commit 1931175eea6d09c0845d6e8e334a7333647f11c0 +commit 4161d7634965a7a287bf208dcd79f6185f448fe8 Author: Lasse Collin Date: 2011-05-21 15:12:10 +0300 - xz: Translate also the string used to print the program name. + xz: Translate also the string used to print the program name. + + French needs a space before a colon, e.g. "xz : foo error". + + src/xz/message.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +commit b94aa0c8380cdb18cddb33440d625474c16643cf +Author: Lasse Collin +Date: 2011-05-21 15:08:44 +0300 + + liblzma: Try to use SHA-256 from the operating system. + + If the operating system libc or other base libraries + provide SHA-256, use that instead of our own copy. + Note that this doesn't use OpenSSL or libgcrypt or + such libraries to avoid creating dependencies to + other packages. + + This supports at least FreeBSD, NetBSD, OpenBSD, Solaris, + MINIX, and Darwin. They all provide similar but not + identical SHA-256 APIs; everyone is a little different. + + Thanks to Wim Lewis for the original patch, improvements, + and testing. + + configure.ac | 54 +++++++++++++++++++++++++++ + src/liblzma/check/Makefile.inc | 2 + + src/liblzma/check/check.h | 83 ++++++++++++++++++++++++++++++++++++++---- + 3 files changed, 131 insertions(+), 8 deletions(-) + +commit f004128678d43ea10b4a6401aa184cf83252d6ec +Author: Lasse Collin +Date: 2011-05-17 12:52:18 +0300 + + Don't use clockid_t in mythread.h when clock_gettime() isn't available. - French needs a space before a colon, e.g. "xz : foo error". + Thanks to Wim Lewis for the patch. - src/xz/message.c | 6 +++++- - 1 file changed, 5 insertions(+), 1 deletion(-) + src/common/mythread.h | 2 ++ + 1 file changed, 2 insertions(+) -commit 841dc1f891b48b23f84c0f0e0c86c7c4e4bdcdf5 +commit f779516f42ebd2db47a5b7d6143459bf7737cf2f Author: Lasse Collin Date: 2011-05-17 12:26:28 +0300 @@ -1381,7 +3156,7 @@ THANKS | 3 +++ 1 file changed, 3 insertions(+) -commit 0f7e2d36240ebf1159d5fb85d8cd7422337a0d3f +commit 830ba587775bb562f6eaf05cad61bf669d1f8892 Author: Lasse Collin Date: 2011-05-17 12:21:33 +0300 @@ -1390,7 +3165,7 @@ INSTALL | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) -commit 793d857e01e1725f16fc0c8af8172c91a9e38617 +commit ec7106309c8060e9c646dba20c4f15689a0bbb04 Author: Lasse Collin Date: 2011-05-17 12:01:37 +0300 @@ -1404,7 +3179,7 @@ configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit afcff45cee04c5c7d9c333504046ffb63d1418b5 +commit 4c6e146df99696920f12410fb17754412797ef36 Author: Lasse Collin Date: 2011-05-17 11:54:38 +0300 @@ -1437,7 +3212,79 @@ src/xzdec/xzdec.c | 6 +++--- 25 files changed, 49 insertions(+), 47 deletions(-) -commit 22159c6ba2300a006f2e46ce85ae132e2d2f7d57 +commit 7a480e485938884ef3021b48c3b0b9f9699dc9b6 +Author: Lasse Collin +Date: 2011-05-01 12:24:23 +0300 + + xz: Fix input file position when --single-stream is used. + + Now the following works as you would expect: + + echo foo | xz > foo.xz + echo bar | xz >> foo.xz + ( xz -dc --single-stream ; xz -dc --single-stream ) < foo.xz + + Note that it doesn't work if the input is not seekable + or if there is Stream Padding between the concatenated + .xz Streams. + + src/xz/coder.c | 1 + + src/xz/file_io.c | 15 +++++++++++++++ + src/xz/file_io.h | 13 +++++++++++++ + 3 files changed, 29 insertions(+) + +commit c29e6630c1450c630c4e7b783bdd76515db9004c +Author: Lasse Collin +Date: 2011-05-01 12:15:51 +0300 + + xz: Print the maximum number of worker threads in xz -vv. + + src/xz/coder.c | 4 ++++ + 1 file changed, 4 insertions(+) + +commit 0b77c4a75158ccc416b07d6e81df8ee0abaea720 +Author: Lasse Collin +Date: 2011-04-19 10:44:48 +0300 + + Build: Warn if no supported method to detect the number of CPU cores. + + configure.ac | 11 +++++------ + 1 file changed, 5 insertions(+), 6 deletions(-) + +commit e4622df9ab4982f8faa53d85b17be66216175a58 +Author: Lasse Collin +Date: 2011-04-19 09:55:06 +0300 + + Update THANKS. + + THANKS | 1 + + 1 file changed, 1 insertion(+) + +commit 9c1b05828a88eff54409760b92162c7cc2c7cff6 +Author: Lasse Collin +Date: 2011-04-19 09:20:44 +0300 + + Fix portability problems in mythread.h. + + Use gettimeofday() if clock_gettime() isn't available + (e.g. Darwin). + + The test for availability of pthread_condattr_setclock() + and CLOCK_MONOTONIC was incorrect. Instead of fixing the + #ifdefs, use an Autoconf test. That way if there exists a + system that supports them but doesn't specify the matching + POSIX #defines, the features will still get detected. + + Don't try to use pthread_sigmask() on OpenVMS. It doesn't + have that function. + + Guard mythread.h against being #included multiple times. + + configure.ac | 7 +++++++ + src/common/mythread.h | 31 +++++++++++++++++++++++++++---- + 2 files changed, 34 insertions(+), 4 deletions(-) + +commit 3de00cc75da7b0e7b65e84c62b5351e231f501e9 Author: Lasse Collin Date: 2011-04-18 19:35:49 +0300 @@ -1446,7 +3293,7 @@ THANKS | 2 ++ 1 file changed, 2 insertions(+) -commit 5e3499059515033d1ce44b6fb0fa49183c7ac633 +commit bd5002f5821e3d1b04f2f56989e4a19318e73633 Author: Martin Väth Date: 2011-04-15 04:54:49 -0400 @@ -1459,7 +3306,31 @@ src/scripts/xzgrep.in | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -commit 1125611b9b8d4a209b6a73d2c76e1b39c065972a +commit 6ef4eabc0acc49e1bb9dc68064706e19fa9fcf48 +Author: Lasse Collin +Date: 2011-04-12 12:48:31 +0300 + + Bump the version number to 5.1.1alpha and liblzma soname to 5.0.99. + + src/liblzma/Makefile.am | 2 +- + src/liblzma/api/lzma/version.h | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +commit 9a4377be0d21e597c66bad6c7452873aebfb3c1c +Author: Lasse Collin +Date: 2011-04-12 12:42:37 +0300 + + Put the unstable APIs behind #ifdef LZMA_UNSTABLE. + + This way people hopefully won't complain if these APIs + change and break code that used an older API. + + src/liblzma/api/lzma/container.h | 4 ++++ + src/liblzma/common/common.h | 2 ++ + src/xz/private.h | 2 ++ + 3 files changed, 8 insertions(+) + +commit 3e321a3acd50002cf6fdfd259e910f56d3389bc3 Author: Lasse Collin Date: 2011-04-12 11:59:49 +0300 @@ -1480,7 +3351,78 @@ windows/INSTALL-Windows.txt | 2 +- 6 files changed, 7 insertions(+), 7 deletions(-) -commit 3f8fa53837bae8b44f3addf19923e26401336c3d +commit d91a84b534b012d19474f2fda1fbcaef873e1ba4 +Author: Lasse Collin +Date: 2011-04-12 11:46:01 +0300 + + Update NEWS. + + NEWS | 47 +++++++++++++++++++++++++++++++++++++++++++++-- + 1 file changed, 45 insertions(+), 2 deletions(-) + +commit 14e6ad8cfe0165c1a8beeb5b2a1536558b29b0a1 +Author: Lasse Collin +Date: 2011-04-12 11:45:40 +0300 + + Update TODO. + + TODO | 12 +++++++++++- + 1 file changed, 11 insertions(+), 1 deletion(-) + +commit 70e750f59793f9b5cd306a5adce9b8e427739e04 +Author: Lasse Collin +Date: 2011-04-12 11:08:55 +0300 + + xz: Update the man page about threading. + + src/xz/xz.1 | 34 ++++++++++++++++++++-------------- + 1 file changed, 20 insertions(+), 14 deletions(-) + +commit 24e0406c0fb7494d2037dec033686faf1bf67068 +Author: Lasse Collin +Date: 2011-04-11 22:06:03 +0300 + + xz: Add support for threaded compression. + + src/xz/args.c | 3 +- + src/xz/coder.c | 202 +++++++++++++++++++++++++++++++++++---------------------- + 2 files changed, 125 insertions(+), 80 deletions(-) + +commit de678e0c924aa79a19293a8a6ed82e8cb6572a42 +Author: Lasse Collin +Date: 2011-04-11 22:03:30 +0300 + + liblzma: Add lzma_stream_encoder_mt() for threaded compression. + + This is the simplest method to do threading, which splits + the uncompressed data into blocks and compresses them + independently from each other. There's room for improvement + especially to reduce the memory usage, but nevertheless, + this is a good start. + + configure.ac | 1 + + src/liblzma/api/lzma/container.h | 163 +++++ + src/liblzma/common/Makefile.inc | 7 + + src/liblzma/common/common.c | 9 +- + src/liblzma/common/common.h | 14 + + src/liblzma/common/outqueue.c | 180 ++++++ + src/liblzma/common/outqueue.h | 155 +++++ + src/liblzma/common/stream_encoder_mt.c | 1011 ++++++++++++++++++++++++++++++++ + 8 files changed, 1539 insertions(+), 1 deletion(-) + +commit 25fe729532cdf4b8fed56a4519b73cf31efaec50 +Author: Lasse Collin +Date: 2011-04-11 21:15:07 +0300 + + liblzma: Add the forgotten lzma_lzma2_block_size(). + + This should have been in 5eefc0086d24a65e136352f8c1d19cefb0cbac7a. + + src/liblzma/lzma/lzma2_encoder.c | 10 ++++++++++ + src/liblzma/lzma/lzma2_encoder.h | 2 ++ + 2 files changed, 12 insertions(+) + +commit 91afb785a1dee34862078d9bf844ef12b8cc3e35 Author: Lasse Collin Date: 2011-04-11 21:04:13 +0300 @@ -1489,7 +3431,7 @@ src/liblzma/api/lzma/container.h | 9 +++++++++ 1 file changed, 9 insertions(+) -commit 320d734c20d0776e3eb80f6b5984ddeb494715b5 +commit 4a9905302a9e4a1601ae09d650d3f08ce98ae9ee Author: Lasse Collin Date: 2011-04-11 20:59:07 +0300 @@ -1501,7 +3443,41 @@ src/liblzma/api/lzma/filter.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) -commit 2ee4edeffc8d9734bf68230df31b20ac6a94c9b5 +commit 0badb0b1bd649163322783b0bd9e590b4bc7a93d +Author: Lasse Collin +Date: 2011-04-11 19:28:18 +0300 + + liblzma: Use memzero() to initialize supported_actions[]. + + This is cleaner and makes it simpler to add new members + to lzma_action enumeration. + + src/liblzma/common/common.c | 6 ++---- + 1 file changed, 2 insertions(+), 4 deletions(-) + +commit a7934c446a58e20268689899d2a39f50e571f251 +Author: Lasse Collin +Date: 2011-04-11 19:26:27 +0300 + + liblzma: API comment about lzma_allocator with threaded coding. + + src/liblzma/api/lzma/base.h | 18 +++++++++++++----- + 1 file changed, 13 insertions(+), 5 deletions(-) + +commit 5eefc0086d24a65e136352f8c1d19cefb0cbac7a +Author: Lasse Collin +Date: 2011-04-11 19:16:30 +0300 + + liblzma: Add an internal function lzma_mt_block_size(). + + This is based lzma_chunk_size() that was included in some + development version of liblzma. + + src/liblzma/common/filter_encoder.c | 46 ++++++++++++++++++------------------- + src/liblzma/common/filter_encoder.h | 4 ++-- + 2 files changed, 24 insertions(+), 26 deletions(-) + +commit d1199274758049fc523d98c5b860ff814a799eec Author: Lasse Collin Date: 2011-04-11 13:59:50 +0300 @@ -1517,7 +3493,7 @@ src/liblzma/common/stream_buffer_encoder.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) -commit 73f56fb87d54091d0c4fd22d70e6f042902e3b63 +commit 3b22fc2c87ec85fcdd385c163b68fc49c97aa848 Author: Lasse Collin Date: 2011-04-11 13:28:40 +0300 @@ -1530,7 +3506,7 @@ src/liblzma/api/lzma/container.h | 3 +++ 2 files changed, 4 insertions(+) -commit 4ce1cf97a88ae1640a380dd19cbc255d729f966b +commit 71b9380145dccf001f22e66a06b9d508905c25ce Author: Lasse Collin Date: 2011-04-11 13:21:28 +0300 @@ -1548,7 +3524,139 @@ src/liblzma/common/stream_buffer_encoder.c | 3 +++ 3 files changed, 20 insertions(+), 6 deletions(-) -commit 972f05d7a4268dbe42573701f83faa45d03249eb +commit ec7e3dbad704268825fc48f0bdd4577bc46b4f13 +Author: Lasse Collin +Date: 2011-04-11 09:57:30 +0300 + + xz: Move the description of --block-size in --long-help. + + src/xz/message.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +commit cd3086ff443bb282bdf556919c28b3e3cbed8169 +Author: Lasse Collin +Date: 2011-04-11 09:55:35 +0300 + + Docs: Document --single-stream and --block-size. + + src/xz/xz.1 | 38 ++++++++++++++++++++++++++++++++++++-- + 1 file changed, 36 insertions(+), 2 deletions(-) + +commit fb64a4924334e3c440865710990fe08090f2fed0 +Author: Lasse Collin +Date: 2011-04-11 09:27:57 +0300 + + liblzma: Make lzma_stream_encoder_init() static (second try). + + It's an internal function and it's not needed by + anything outside stream_encoder.c. + + src/liblzma/common/Makefile.inc | 1 - + src/liblzma/common/easy_encoder.c | 1 - + src/liblzma/common/stream_encoder.c | 13 ++++++------- + src/liblzma/common/stream_encoder.h | 23 ----------------------- + 4 files changed, 6 insertions(+), 32 deletions(-) + +commit a34730cf6af4d33a4057914e57227b6dfde6567e +Author: Lasse Collin +Date: 2011-04-11 08:31:42 +0300 + + Revert "liblzma: Make lzma_stream_encoder_init() static." + + This reverts commit 352ac82db5d3f64585c07b39e4759388dec0e4d7. + I don't know what I was thinking. + + src/liblzma/common/Makefile.inc | 1 + + src/liblzma/common/stream_encoder.c | 9 +++++---- + src/liblzma/common/stream_encoder.h | 23 +++++++++++++++++++++++ + 3 files changed, 29 insertions(+), 4 deletions(-) + +commit 9f0a806aef7ea79718e3f1f2baf3564295229a27 +Author: Lasse Collin +Date: 2011-04-10 21:23:21 +0300 + + Revise mythread.h. + + This adds: + + - mythread_sync() macro to create synchronized blocks + + - mythread_cond structure and related functions + and macros for condition variables with timed + waiting using a relative timeout + + - mythread_create() to create a thread with all + signals blocked + + Some of these wouldn't need to be inline functions, + but I'll keep them this way for now for simplicity. + + For timed waiting on a condition variable, librt is + now required on some systems to use clock_gettime(). + configure.ac was updated to handle this. + + configure.ac | 1 + + src/common/mythread.h | 200 +++++++++++++++++++++++++++++++++++++++++++++----- + 2 files changed, 181 insertions(+), 20 deletions(-) + +commit 352ac82db5d3f64585c07b39e4759388dec0e4d7 +Author: Lasse Collin +Date: 2011-04-10 20:37:36 +0300 + + liblzma: Make lzma_stream_encoder_init() static. + + It's an internal function and it's not needed by + anything outside stream_encoder.c. + + src/liblzma/common/Makefile.inc | 1 - + src/liblzma/common/stream_encoder.c | 9 ++++----- + src/liblzma/common/stream_encoder.h | 23 ----------------------- + 3 files changed, 4 insertions(+), 29 deletions(-) + +commit 9e807fe3fe79618ac48f58207cf7082ea20a6928 +Author: Lasse Collin +Date: 2011-04-10 14:58:10 +0300 + + DOS: Update the docs and include notes about 8.3 filenames. + + dos/INSTALL.txt | 79 ++++++++++++++++++++++++++++++++++++ + dos/README | 88 ---------------------------------------- + dos/README.txt | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 202 insertions(+), 88 deletions(-) + +commit ebd54dbd6e481d31e80757f900ac8109ad1423c6 +Author: Lasse Collin +Date: 2011-04-10 13:09:42 +0300 + + xz/DOS: Add experimental 8.3 filename support. + + This is incompatible with the 8.3 support patch made by + Juan Manuel Guerrero. I think this one is nicer, but + I need to get feedback from DOS users before saying + that this is the final version of 8.3 filename support. + + src/xz/suffix.c | 176 +++++++++++++++++++++++++++++++++++++++++++++++++++++--- + 1 file changed, 167 insertions(+), 9 deletions(-) + +commit cd4fe97852bcaeffe674ee51b4613709292a0972 +Author: Lasse Collin +Date: 2011-04-10 12:47:47 +0300 + + xz/DOS: Be more careful with the destination file. + + Try to avoid overwriting the source file if --force is + used and the generated destination filename refers to + the source file. This can happen with 8.3 filenames where + extra characters are ignored. + + If the generated output file refers to a special file + like "con" or "prn", refuse to write to it even if --force + is used. + + src/xz/file_io.c | 35 +++++++++++++++++++++++++++++++++-- + 1 file changed, 33 insertions(+), 2 deletions(-) + +commit 607f9f98ae5ef6d49f4c21c806d462bf6b3d6796 Author: Lasse Collin Date: 2011-04-09 18:29:30 +0300 @@ -1557,7 +3665,7 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit 28154eeaf6e3442cd1e174f4e81266d60c4dac60 +commit fca396b37410d272b754843a5dc13847be443a3a Author: Lasse Collin Date: 2011-04-09 18:28:58 +0300 @@ -1571,7 +3679,93 @@ src/liblzma/common/filter_common.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) -commit aa95516d3d509c6b7895ee519004afcf500a0759 +commit b03f6cd3ebadd675f2cc9d518cb26fa860269447 +Author: Lasse Collin +Date: 2011-04-09 15:24:59 +0300 + + xz: Avoid unneeded fstat() on DOS-like systems. + + src/xz/file_io.c | 14 ++++++++------ + 1 file changed, 8 insertions(+), 6 deletions(-) + +commit 335fe260a81f61ec99ff5940df733b4c50aedb7c +Author: Lasse Collin +Date: 2011-04-09 15:11:13 +0300 + + xz: Minor internal changes to handling of --threads. + + Now it always defaults to one thread. Maybe this + will change again if a threading method is added + that doesn't affect memory usage. + + src/xz/args.c | 4 ++-- + src/xz/hardware.c | 24 ++++++++++++------------ + src/xz/hardware.h | 9 ++++----- + 3 files changed, 18 insertions(+), 19 deletions(-) + +commit 9edd6ee895fbe71d245a173f48e511f154a99875 +Author: Lasse Collin +Date: 2011-04-08 17:53:05 +0300 + + xz: Change size_t to uint32_t in a few places. + + src/xz/coder.c | 6 +++--- + src/xz/coder.h | 2 +- + 2 files changed, 4 insertions(+), 4 deletions(-) + +commit 411013ea4506a6df24d35a060fcbd73a57b73eb3 +Author: Lasse Collin +Date: 2011-04-08 17:48:41 +0300 + + xz: Fix a typo in a comment. + + src/xz/coder.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +commit b34c5ce4b22e8d7b81f9895d15054af41d17f805 +Author: Lasse Collin +Date: 2011-04-05 22:41:33 +0300 + + liblzma: Use TUKLIB_GNUC_REQ to check GCC version in sha256.c. + + src/liblzma/check/sha256.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +commit db33117cc85c17e0b897b5312bd5eb43aac41c03 +Author: Lasse Collin +Date: 2011-04-05 17:12:20 +0300 + + Build: Upgrade m4/acx_pthread.m4 to the latest version. + + It was renamed to ax_pthread.m4 in Autoconf Archive. + + configure.ac | 2 +- + m4/acx_pthread.m4 | 279 ----------------------------------------------------- + m4/ax_pthread.m4 | 283 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 284 insertions(+), 280 deletions(-) + +commit 1039bfcfc098b69d56ecb39d198a092552eacf6d +Author: Lasse Collin +Date: 2011-04-05 15:27:26 +0300 + + xz: Use posix_fadvise() if it is available. + + configure.ac | 3 +++ + src/xz/file_io.c | 15 +++++++++++++++ + 2 files changed, 18 insertions(+) + +commit 1ef3cf44a8eb9512480af4482a5232ea08363b14 +Author: Lasse Collin +Date: 2011-04-05 15:13:29 +0300 + + xz: Call lzma_end(&strm) before exiting if debugging is enabled. + + src/xz/coder.c | 10 ++++++++++ + src/xz/coder.h | 5 +++++ + src/xz/main.c | 4 ++++ + 3 files changed, 19 insertions(+) + +commit bd432015d33dcade611d297bc01eb0700088ef6c Author: Lasse Collin Date: 2011-04-02 14:49:56 +0300 @@ -1584,17 +3778,7 @@ src/liblzma/common/stream_encoder.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -commit 58f52c72f49562a08042da9a2f4bbdf4dd162d0c -Author: Lasse Collin -Date: 2011-04-01 08:47:46 +0300 - - Bumped version and liblzma soname to 5.0.2. - - src/liblzma/Makefile.am | 2 +- - src/liblzma/api/lzma/version.h | 2 +- - 2 files changed, 2 insertions(+), 2 deletions(-) - -commit 162779682e01d15f0ce386ef7f40d1be05ad0053 +commit 16889013214e7620d204b6e6c1bf9f3103a13655 Author: Lasse Collin Date: 2011-04-01 08:47:20 +0300 @@ -1603,7 +3787,7 @@ NEWS | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) -commit 45553f9b4b0175c292023010dc41520347004852 +commit 85cdf7dd4e97b078e7b929e47f55a7f1da36010f Author: Lasse Collin Date: 2011-03-31 15:06:58 +0300 @@ -1612,7 +3796,7 @@ INSTALL | 4 ++++ 1 file changed, 4 insertions(+) -commit af9d48d5515eadef689b1ce9ffb91e4dbcbc7f35 +commit c3f4995586873d6a4fb7e451010a128571a9a370 Author: Lasse Collin Date: 2011-03-31 12:22:55 +0300 @@ -1622,7 +3806,7 @@ tests/files/good-1-lzma2-5.xz | Bin 0 -> 52 bytes 2 files changed, 4 insertions(+) -commit d099ef9f517b59ab8e3b6f6aa0543c3643983470 +commit 0d21f49a809dc2088da6cc0da7f948404df7ecfa Author: Lasse Collin Date: 2011-03-31 11:54:48 +0300 @@ -1636,7 +3820,7 @@ src/liblzma/lzma/lzma2_decoder.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) -commit df87249b26e79a75fd91041e85512944fc247b57 +commit 40277998cb9bad564ce4827aff152e6e1c904dfa Author: Lasse Collin Date: 2011-03-24 01:42:49 +0200 @@ -1649,7 +3833,7 @@ src/scripts/xzgrep.in | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) -commit 68c453e1c7b09dc9c7d2ef9d994c46f5b367f5d3 +commit 2118733045ad0ca183a3f181a0399baf876983a6 Author: Lasse Collin Date: 2011-03-24 01:22:18 +0200 @@ -1658,7 +3842,7 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit b441d39855516ae618faffd5156261b8b413394f +commit c7210d9a3fca6f31a57208bfddfc9ab20a2e097a Author: Lasse Collin Date: 2011-03-24 01:21:32 +0200 @@ -1675,7 +3859,52 @@ src/scripts/xzgrep.in | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -commit 82d5164839517f55daeadd9ee88c76425db30224 +commit 4eb83e32046a6d670862bc91c3d82530963b455e +Author: Lasse Collin +Date: 2011-03-19 13:08:22 +0200 + + Scripts: Add lzop (.lzo) support to xzdiff and xzgrep. + + src/scripts/xzdiff.1 | 6 ++++-- + src/scripts/xzdiff.in | 22 ++++++++++++++-------- + src/scripts/xzgrep.1 | 11 +++++++---- + src/scripts/xzgrep.in | 5 +++-- + 4 files changed, 28 insertions(+), 16 deletions(-) + +commit 923b22483bd9356f3219b2b784d96f455f4dc499 +Author: Lasse Collin +Date: 2011-03-18 19:10:30 +0200 + + xz: Add --block-size=SIZE. + + This uses LZMA_FULL_FLUSH every SIZE bytes of input. + + Man page wasn't updated yet. + + src/xz/args.c | 7 +++++++ + src/xz/coder.c | 50 ++++++++++++++++++++++++++++++++++++++++---------- + src/xz/coder.h | 3 +++ + src/xz/message.c | 4 ++++ + 4 files changed, 54 insertions(+), 10 deletions(-) + +commit 57597d42ca1740ad506437be168d800a50f1a0ad +Author: Lasse Collin +Date: 2011-03-18 18:19:19 +0200 + + xz: Add --single-stream. + + This can be useful when there is garbage after the + compressed stream (.xz, .lzma, or raw stream). + + Man page wasn't updated yet. + + src/xz/args.c | 6 ++++++ + src/xz/coder.c | 11 +++++++++-- + src/xz/coder.h | 3 +++ + src/xz/message.c | 6 +++++- + 4 files changed, 23 insertions(+), 3 deletions(-) + +commit 96f94bc925d579a700147fa5d7793b64d69cfc18 Author: Lasse Collin Date: 2011-02-04 22:49:31 +0200 @@ -1687,7 +3916,7 @@ src/xz/suffix.c | 44 ++++++++++++++++++++------------------------ 1 file changed, 20 insertions(+), 24 deletions(-) -commit 6decc8b41882c2250f0450eb87b83c9fbf495e95 +commit 8930c7ae3f82bdae15aa129f01de08be23d7e8d7 Author: Lasse Collin Date: 2011-02-04 11:29:47 +0200 @@ -1700,7 +3929,7 @@ src/xz/suffix.c | 9 +++++++++ 1 file changed, 9 insertions(+) -commit ecda90061df8d39399e707e5c76c2ec0a0f400e5 +commit 940d5852c6cf08abccc6befd9d1b5411c9076a58 Author: Lasse Collin Date: 2011-02-02 23:01:51 +0200 @@ -1709,7 +3938,7 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit 0fda1ae5b1aa0a5c629a09e5228db8ba1cd0dd5f +commit 4ebe65f839613f27f127bab7b8c347d982330ee3 Author: Lasse Collin Date: 2011-02-02 23:00:33 +0200 @@ -1721,7 +3950,7 @@ po/pl.po | 825 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 826 insertions(+) -commit 00be32978fedc5038748438bf685ac1713d1db83 +commit fc1d292dca1925dfd17174f443f91a696ecd5bf8 Author: Lasse Collin Date: 2011-02-02 22:24:00 +0200 @@ -1730,15 +3959,12 @@ THANKS | 1 + 1 file changed, 1 insertion(+) -commit 7232fcf96bf4bd5f9cd4fc6c93ca2912c665e004 +commit 6dd061adfd2775428b079eb03d6fd47d7c0f1ffe +Merge: 9d542ce 5fbce0b Author: Lasse Collin -Date: 2011-01-28 20:26:38 +0200 - - Bump package version and liblzma soname to 5.0.1. +Date: 2011-02-06 20:13:01 +0200 - src/liblzma/Makefile.am | 2 +- - src/liblzma/api/lzma/version.h | 2 +- - 2 files changed, 2 insertions(+), 2 deletions(-) + Merge commit '5fbce0b8d96dc96775aa0215e3581addc830e23d' commit 5fbce0b8d96dc96775aa0215e3581addc830e23d Author: Lasse Collin @@ -1764,6 +3990,13 @@ src/xz/file_io.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) +commit 9d542ceebcbe40b174169c132ccfcdc720ca7089 +Merge: 4f2c69a 7bd0a5e +Author: Lasse Collin +Date: 2011-01-19 11:45:35 +0200 + + Merge branch 'v5.0' + commit 7bd0a5e7ccc354f7c2e95c8bc27569c820f6a136 Author: Lasse Collin Date: 2011-01-18 21:25:24 +0200 @@ -1795,6 +4028,13 @@ src/scripts/xzdiff.in | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) +commit 4f2c69a4e3e0aee2e37b0b1671d34086e20c8ac6 +Merge: adb89e6 9311774 +Author: Lasse Collin +Date: 2010-12-12 23:13:22 +0200 + + Merge branch 'v5.0' + commit 9311774c493c19deab51ded919dcd2e9c4aa2829 Author: Lasse Collin Date: 2010-12-12 21:23:55 +0200 @@ -1838,6 +4078,13 @@ src/xz/suffix.c | 33 +++++++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) +commit adb89e68d43a4cadb0c215b45ef7a75737c9c3ec +Merge: 7c24e0d b7afd3e +Author: Lasse Collin +Date: 2010-12-07 18:53:04 +0200 + + Merge branch 'v5.0' + commit b7afd3e22a8fac115b75c738d40d3eb1de7e286f Author: Lasse Collin Date: 2010-12-07 18:52:04 +0200 @@ -1849,6 +4096,13 @@ po/cs.po | 88 ++++++++++++++++++++++++++++++++-------------------------------- 1 file changed, 44 insertions(+), 44 deletions(-) +commit 7c24e0d1b8a2e86e9263b0d56d39621e01aed7af +Merge: b4d42f1 3e56470 +Author: Lasse Collin +Date: 2010-11-15 14:33:01 +0200 + + Merge branch 'v5.0' + commit 3e564704bc6f463cb2db11e3f3f0dbd71d85992e Author: Lasse Collin Date: 2010-11-15 14:28:26 +0200 @@ -1883,6 +4137,34 @@ Doxyfile.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) +commit b4d42f1a7120e2cefeb2f14425efe2ca6db85416 +Author: Anders F Bjorklund +Date: 2010-11-05 12:56:11 +0100 + + add build script for macosx universal + + macosx/build.sh | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 92 insertions(+) + +commit 15ee6935abe4a2fc76639ee342ca2e69af3e0ad6 +Author: Lasse Collin +Date: 2010-11-04 18:31:40 +0200 + + Update the copies of GPLv2 and LGPLv2.1 from gnu.org. + + There are only a few white space changes. + + COPYING.GPLv2 | 14 +++++++------- + COPYING.LGPLv2.1 | 16 +++++++--------- + 2 files changed, 14 insertions(+), 16 deletions(-) + +commit 8e355f7fdbeee6fe394eb02a28f267ce99a882a2 +Merge: 974ebe6 37c2565 +Author: Lasse Collin +Date: 2010-10-26 15:53:06 +0300 + + Merge branch 'v5.0' + commit 37c25658efd25b034266daf87cd381d20d1df776 Author: Lasse Collin Date: 2010-10-26 15:48:48 +0300 @@ -1898,6 +4180,37 @@ windows/build.bash | 3 ++- 2 files changed, 7 insertions(+), 1 deletion(-) +commit 974ebe63497bdf0d262e06474f0dd5a70b1dd000 +Author: Lasse Collin +Date: 2010-10-26 10:36:41 +0300 + + liblzma: Rename a few variables and constants. + + This has no semantic changes. I find the new names slightly + more logical and they match the names that are already used + in XZ Embedded. + + The name fastpos wasn't changed (not worth the hassle). + + src/liblzma/lzma/fastpos.h | 55 +++++------ + src/liblzma/lzma/lzma2_encoder.c | 2 +- + src/liblzma/lzma/lzma_common.h | 45 ++++----- + src/liblzma/lzma/lzma_decoder.c | 58 +++++------ + src/liblzma/lzma/lzma_encoder.c | 56 +++++------ + src/liblzma/lzma/lzma_encoder_optimum_fast.c | 9 +- + src/liblzma/lzma/lzma_encoder_optimum_normal.c | 128 ++++++++++++------------- + src/liblzma/lzma/lzma_encoder_private.h | 16 ++-- + 8 files changed, 183 insertions(+), 186 deletions(-) + +commit 7c427ec38d016c0070a42315d752857e33792fc4 +Author: Lasse Collin +Date: 2010-10-25 12:59:25 +0300 + + Bump version 5.1.0alpha. + + src/liblzma/api/lzma/version.h | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + commit e45929260cd902036efd40c5610a8d0a50d5712b Author: Lasse Collin Date: 2010-10-23 17:25:52 +0300 Index: contrib/xz/THANKS =================================================================== --- contrib/xz/THANKS +++ contrib/xz/THANKS @@ -30,17 +30,26 @@ - Denis Excoffier - Michael Felt - Mike Frysinger + - Daniel Richard G. + - Bill Glessner - Jason Gorski - Juan Manuel Guerrero + - Diederik de Haas - Joachim Henke + - Christian Hesse + - Vincenzo Innocente - Peter Ivanov - Jouk Jansen + - Jun I Jin - Per Øyvind Karlsen - Thomas Klausner - Richard Koch - Ville Koskinen + - Jan Kratochvil + - Christian Kujau - Stephan Kulow - Peter Lawler + - James M Leddy - Hin-Tak Leung - Andraž 'ruskie' Levstik - Cary Lewis @@ -49,6 +58,7 @@ - Bela Lubkin - Gregory Margo - Jim Meyering + - Arkadiusz Miskiewicz - Conley Moorhous - Rafał Mużyło - Adrien Nader @@ -61,6 +71,7 @@ - Diego Elio Pettenò - Elbert Pol - Mikko Pouru + - Trần Ngọc Quân - Pavel Raiskup - Robert Readman - Bernhard Reutner-Fischer @@ -75,6 +86,7 @@ - Stuart Shelton - Jonathan Stott - Dan Stromberg + - Vincent Torri - Paul Townsend - Mohammed Adnène Trojette - Alexey Tourbin @@ -82,6 +94,7 @@ - Martin Väth - Christian Weisgerber - Bert Wesarg + - Fredrik Wikstrom - Ralf Wildenhues - Charles Wilson - Lars Wirzenius Index: contrib/xz/TODO =================================================================== --- contrib/xz/TODO +++ contrib/xz/TODO @@ -28,14 +28,36 @@ time and calculated (de)compression speed won't make sense in the progress indicator (xz --verbose). + If liblzma has created threads and fork() gets called, liblzma + code will break in the child process unless it calls exec() and + doesn't touch liblzma. + Missing features ---------------- + Add support for storing metadata in .xz files. A preliminary + idea is to create a new Stream type for metadata. When both + metadata and data are wanted in the same .xz file, two or more + Streams would be concatenated. + + The state stored in lzma_stream should be cloneable, which would + be mostly useful when using a preset dictionary in LZMA2, but + it may have other uses too. Compare to deflateCopy() in zlib. + + Support LZMA_FINISH in raw decoder to indicate end of LZMA1 and + other streams that don't have an end of payload marker. + + Adjust dictionary size when the input file size is known. + Maybe do this only if an option is given. + xz doesn't support copying extended attributes, access control lists etc. from source to target file. - Multithreaded compression + Multithreaded compression: + - Reduce memory usage of the current method. + - Implement threaded match finders. + - Implement pigz-style threading in LZMA2. Multithreaded decompression @@ -46,18 +68,44 @@ It will be a separate library that supports uncompressed, .gz, .bz2, .lzma, and .xz files. + Support changing lzma_options_lzma.mode with lzma_filters_update(). + + Support LZMA_FULL_FLUSH for lzma_stream_decoder() to stop at + Block and Stream boundaries. + lzma_strerror() to convert lzma_ret to human readable form? This is tricky, because the same error codes are used with slightly different meanings, and this cannot be fixed anymore. + Make it possible to adjust LZMA2 options in the middle of a Block + so that the encoding speed vs. compression ratio can be optimized + when the compressed data is streamed over network. + + Improved BCJ filters. The current filters are small but they aren't + so great when compressing binary packages that contain various file + types. Specifically, they make things worse if there are static + libraries or Linux kernel modules. The filtering could also be + more effective (without getting overly complex), for example, + streamable variant BCJ2 from 7-Zip could be implemented. + + Filter that autodetects specific data types in the input stream + and applies appropriate filters for the corrects parts of the input. + Perhaps combine this with the BCJ filter improvement point above. + + Long-range LZ77 method as a separate filter or as a new LZMA2 + match finder. + Documentation ------------- - Some tutorial is needed for liblzma. I have planned to write some - extremely well commented example programs, which would work as - a tutorial. I suppose the Doxygen tags are quite OK as a quick - reference once one is familiar with the liblzma API. + More tutorial programs are needed for liblzma. Document the LZMA1 and LZMA2 algorithms. + +Miscellaneous +------------ + + Try to get the media type for .xz registered at IANA. + Index: contrib/xz/src/common/mythread.h =================================================================== --- contrib/xz/src/common/mythread.h +++ contrib/xz/src/common/mythread.h @@ -1,7 +1,7 @@ /////////////////////////////////////////////////////////////////////////////// // /// \file mythread.h -/// \brief Wrappers for threads +/// \brief Some threading related helper macros and functions // // Author: Lasse Collin // @@ -10,33 +10,512 @@ // /////////////////////////////////////////////////////////////////////////////// +#ifndef MYTHREAD_H +#define MYTHREAD_H + #include "sysdefs.h" +// If any type of threading is enabled, #define MYTHREAD_ENABLED. +#if defined(MYTHREAD_POSIX) || defined(MYTHREAD_WIN95) \ + || defined(MYTHREAD_VISTA) +# define MYTHREAD_ENABLED 1 +#endif + + +#ifdef MYTHREAD_ENABLED + +//////////////////////////////////////// +// Shared between all threading types // +//////////////////////////////////////// + +// Locks a mutex for a duration of a block. +// +// Perform mythread_mutex_lock(&mutex) in the beginning of a block +// and mythread_mutex_unlock(&mutex) at the end of the block. "break" +// may be used to unlock the mutex and jump out of the block. +// mythread_sync blocks may be nested. +// +// Example: +// +// mythread_sync(mutex) { +// foo(); +// if (some_error) +// break; // Skips bar() +// bar(); +// } +// +// At least GCC optimizes the loops completely away so it doesn't slow +// things down at all compared to plain mythread_mutex_lock(&mutex) +// and mythread_mutex_unlock(&mutex) calls. +// +#define mythread_sync(mutex) mythread_sync_helper1(mutex, __LINE__) +#define mythread_sync_helper1(mutex, line) mythread_sync_helper2(mutex, line) +#define mythread_sync_helper2(mutex, line) \ + for (unsigned int mythread_i_ ## line = 0; \ + mythread_i_ ## line \ + ? (mythread_mutex_unlock(&(mutex)), 0) \ + : (mythread_mutex_lock(&(mutex)), 1); \ + mythread_i_ ## line = 1) \ + for (unsigned int mythread_j_ ## line = 0; \ + !mythread_j_ ## line; \ + mythread_j_ ## line = 1) +#endif + + +#if !defined(MYTHREAD_ENABLED) + +////////////////// +// No threading // +////////////////// + +// Calls the given function once. This isn't thread safe. +#define mythread_once(func) \ +do { \ + static bool once_ = false; \ + if (!once_) { \ + func(); \ + once_ = true; \ + } \ +} while (0) + + +#if !(defined(_WIN32) && !defined(__CYGWIN__)) +// Use sigprocmask() to set the signal mask in single-threaded programs. +#include + +static inline void +mythread_sigmask(int how, const sigset_t *restrict set, + sigset_t *restrict oset) +{ + int ret = sigprocmask(how, set, oset); + assert(ret == 0); + (void)ret; +} +#endif + + +#elif defined(MYTHREAD_POSIX) + +//////////////////// +// Using pthreads // +//////////////////// + +#include +#include +#include +#include +#include + +#define MYTHREAD_RET_TYPE void * +#define MYTHREAD_RET_VALUE NULL + +typedef pthread_t mythread; +typedef pthread_mutex_t mythread_mutex; + +typedef struct { + pthread_cond_t cond; +#ifdef HAVE_CLOCK_GETTIME + // Clock ID (CLOCK_REALTIME or CLOCK_MONOTONIC) associated with + // the condition variable. + clockid_t clk_id; +#endif +} mythread_cond; + +typedef struct timespec mythread_condtime; -#ifdef HAVE_PTHREAD -# include -# define mythread_once(func) \ +// Calls the given function once in a thread-safe way. +#define mythread_once(func) \ do { \ static pthread_once_t once_ = PTHREAD_ONCE_INIT; \ pthread_once(&once_, &func); \ } while (0) -# define mythread_sigmask(how, set, oset) \ - pthread_sigmask(how, set, oset) +// Use pthread_sigmask() to set the signal mask in multi-threaded programs. +// Do nothing on OpenVMS since it lacks pthread_sigmask(). +static inline void +mythread_sigmask(int how, const sigset_t *restrict set, + sigset_t *restrict oset) +{ +#ifdef __VMS + (void)how; + (void)set; + (void)oset; +#else + int ret = pthread_sigmask(how, set, oset); + assert(ret == 0); + (void)ret; +#endif +} + + +// Creates a new thread with all signals blocked. Returns zero on success +// and non-zero on error. +static inline int +mythread_create(mythread *thread, void *(*func)(void *arg), void *arg) +{ + sigset_t old; + sigset_t all; + sigfillset(&all); + + mythread_sigmask(SIG_SETMASK, &all, &old); + const int ret = pthread_create(thread, NULL, func, arg); + mythread_sigmask(SIG_SETMASK, &old, NULL); + + return ret; +} + +// Joins a thread. Returns zero on success and non-zero on error. +static inline int +mythread_join(mythread thread) +{ + return pthread_join(thread, NULL); +} + + +// Initiatlizes a mutex. Returns zero on success and non-zero on error. +static inline int +mythread_mutex_init(mythread_mutex *mutex) +{ + return pthread_mutex_init(mutex, NULL); +} + +static inline void +mythread_mutex_destroy(mythread_mutex *mutex) +{ + int ret = pthread_mutex_destroy(mutex); + assert(ret == 0); + (void)ret; +} + +static inline void +mythread_mutex_lock(mythread_mutex *mutex) +{ + int ret = pthread_mutex_lock(mutex); + assert(ret == 0); + (void)ret; +} + +static inline void +mythread_mutex_unlock(mythread_mutex *mutex) +{ + int ret = pthread_mutex_unlock(mutex); + assert(ret == 0); + (void)ret; +} + + +// Initializes a condition variable. +// +// Using CLOCK_MONOTONIC instead of the default CLOCK_REALTIME makes the +// timeout in pthread_cond_timedwait() work correctly also if system time +// is suddenly changed. Unfortunately CLOCK_MONOTONIC isn't available +// everywhere while the default CLOCK_REALTIME is, so the default is +// used if CLOCK_MONOTONIC isn't available. +// +// If clock_gettime() isn't available at all, gettimeofday() will be used. +static inline int +mythread_cond_init(mythread_cond *mycond) +{ +#ifdef HAVE_CLOCK_GETTIME + // NOTE: HAVE_DECL_CLOCK_MONOTONIC is always defined to 0 or 1. +# if defined(HAVE_PTHREAD_CONDATTR_SETCLOCK) && HAVE_DECL_CLOCK_MONOTONIC + struct timespec ts; + pthread_condattr_t condattr; + + // POSIX doesn't seem to *require* that pthread_condattr_setclock() + // will fail if given an unsupported clock ID. Test that + // CLOCK_MONOTONIC really is supported using clock_gettime(). + if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0 + && pthread_condattr_init(&condattr) == 0) { + int ret = pthread_condattr_setclock( + &condattr, CLOCK_MONOTONIC); + if (ret == 0) + ret = pthread_cond_init(&mycond->cond, &condattr); + + pthread_condattr_destroy(&condattr); + + if (ret == 0) { + mycond->clk_id = CLOCK_MONOTONIC; + return 0; + } + } + + // If anything above fails, fall back to the default CLOCK_REALTIME. + // POSIX requires that all implementations of clock_gettime() must + // support at least CLOCK_REALTIME. +# endif + + mycond->clk_id = CLOCK_REALTIME; +#endif + + return pthread_cond_init(&mycond->cond, NULL); +} + +static inline void +mythread_cond_destroy(mythread_cond *cond) +{ + int ret = pthread_cond_destroy(&cond->cond); + assert(ret == 0); + (void)ret; +} + +static inline void +mythread_cond_signal(mythread_cond *cond) +{ + int ret = pthread_cond_signal(&cond->cond); + assert(ret == 0); + (void)ret; +} + +static inline void +mythread_cond_wait(mythread_cond *cond, mythread_mutex *mutex) +{ + int ret = pthread_cond_wait(&cond->cond, mutex); + assert(ret == 0); + (void)ret; +} + +// Waits on a condition or until a timeout expires. If the timeout expires, +// non-zero is returned, otherwise zero is returned. +static inline int +mythread_cond_timedwait(mythread_cond *cond, mythread_mutex *mutex, + const mythread_condtime *condtime) +{ + int ret = pthread_cond_timedwait(&cond->cond, mutex, condtime); + assert(ret == 0 || ret == ETIMEDOUT); + return ret; +} + +// Sets condtime to the absolute time that is timeout_ms milliseconds +// in the future. The type of the clock to use is taken from cond. +static inline void +mythread_condtime_set(mythread_condtime *condtime, const mythread_cond *cond, + uint32_t timeout_ms) +{ + condtime->tv_sec = timeout_ms / 1000; + condtime->tv_nsec = (timeout_ms % 1000) * 1000000; + +#ifdef HAVE_CLOCK_GETTIME + struct timespec now; + int ret = clock_gettime(cond->clk_id, &now); + assert(ret == 0); + (void)ret; + + condtime->tv_sec += now.tv_sec; + condtime->tv_nsec += now.tv_nsec; #else + (void)cond; + + struct timeval now; + gettimeofday(&now, NULL); + + condtime->tv_sec += now.tv_sec; + condtime->tv_nsec += now.tv_usec * 1000L; +#endif + + // tv_nsec must stay in the range [0, 999_999_999]. + if (condtime->tv_nsec >= 1000000000L) { + condtime->tv_nsec -= 1000000000L; + ++condtime->tv_sec; + } +} + + +#elif defined(MYTHREAD_WIN95) || defined(MYTHREAD_VISTA) -# define mythread_once(func) \ +///////////////////// +// Windows threads // +///////////////////// + +#define WIN32_LEAN_AND_MEAN +#ifdef MYTHREAD_VISTA +# undef _WIN32_WINNT +# define _WIN32_WINNT 0x0600 +#endif +#include +#include + +#define MYTHREAD_RET_TYPE unsigned int __stdcall +#define MYTHREAD_RET_VALUE 0 + +typedef HANDLE mythread; +typedef CRITICAL_SECTION mythread_mutex; + +#ifdef MYTHREAD_WIN95 +typedef HANDLE mythread_cond; +#else +typedef CONDITION_VARIABLE mythread_cond; +#endif + +typedef struct { + // Tick count (milliseconds) in the beginning of the timeout. + // NOTE: This is 32 bits so it wraps around after 49.7 days. + // Multi-day timeouts may not work as expected. + DWORD start; + + // Length of the timeout in milliseconds. The timeout expires + // when the current tick count minus "start" is equal or greater + // than "timeout". + DWORD timeout; +} mythread_condtime; + + +// mythread_once() is only available with Vista threads. +#ifdef MYTHREAD_VISTA +#define mythread_once(func) \ do { \ - static bool once_ = false; \ - if (!once_) { \ + static INIT_ONCE once_ = INIT_ONCE_STATIC_INIT; \ + BOOL pending_; \ + if (!InitOnceBeginInitialize(&once_, 0, &pending_, NULL)) \ + abort(); \ + if (pending_) \ func(); \ - once_ = true; \ - } \ + if (!InitOnceComplete(&once, 0, NULL)) \ + abort(); \ } while (0) +#endif + + +// mythread_sigmask() isn't available on Windows. Even a dummy version would +// make no sense because the other POSIX signal functions are missing anyway. + + +static inline int +mythread_create(mythread *thread, + unsigned int (__stdcall *func)(void *arg), void *arg) +{ + uintptr_t ret = _beginthreadex(NULL, 0, func, arg, 0, NULL); + if (ret == 0) + return -1; + + *thread = (HANDLE)ret; + return 0; +} + +static inline int +mythread_join(mythread thread) +{ + int ret = 0; + + if (WaitForSingleObject(thread, INFINITE) != WAIT_OBJECT_0) + ret = -1; + + if (!CloseHandle(thread)) + ret = -1; + + return ret; +} -# define mythread_sigmask(how, set, oset) \ - sigprocmask(how, set, oset) + +static inline int +mythread_mutex_init(mythread_mutex *mutex) +{ + InitializeCriticalSection(mutex); + return 0; +} + +static inline void +mythread_mutex_destroy(mythread_mutex *mutex) +{ + DeleteCriticalSection(mutex); +} + +static inline void +mythread_mutex_lock(mythread_mutex *mutex) +{ + EnterCriticalSection(mutex); +} + +static inline void +mythread_mutex_unlock(mythread_mutex *mutex) +{ + LeaveCriticalSection(mutex); +} + + +static inline int +mythread_cond_init(mythread_cond *cond) +{ +#ifdef MYTHREAD_WIN95 + *cond = CreateEvent(NULL, FALSE, FALSE, NULL); + return *cond == NULL ? -1 : 0; +#else + InitializeConditionVariable(cond); + return 0; +#endif +} + +static inline void +mythread_cond_destroy(mythread_cond *cond) +{ +#ifdef MYTHREAD_WIN95 + CloseHandle(*cond); +#else + (void)cond; +#endif +} + +static inline void +mythread_cond_signal(mythread_cond *cond) +{ +#ifdef MYTHREAD_WIN95 + SetEvent(*cond); +#else + WakeConditionVariable(cond); +#endif +} + +static inline void +mythread_cond_wait(mythread_cond *cond, mythread_mutex *mutex) +{ +#ifdef MYTHREAD_WIN95 + LeaveCriticalSection(mutex); + WaitForSingleObject(*cond, INFINITE); + EnterCriticalSection(mutex); +#else + BOOL ret = SleepConditionVariableCS(cond, mutex, INFINITE); + assert(ret); + (void)ret; +#endif +} + +static inline int +mythread_cond_timedwait(mythread_cond *cond, mythread_mutex *mutex, + const mythread_condtime *condtime) +{ +#ifdef MYTHREAD_WIN95 + LeaveCriticalSection(mutex); +#endif + + DWORD elapsed = GetTickCount() - condtime->start; + DWORD timeout = elapsed >= condtime->timeout + ? 0 : condtime->timeout - elapsed; + +#ifdef MYTHREAD_WIN95 + DWORD ret = WaitForSingleObject(*cond, timeout); + assert(ret == WAIT_OBJECT_0 || ret == WAIT_TIMEOUT); + + EnterCriticalSection(mutex); + + return ret == WAIT_TIMEOUT; +#else + BOOL ret = SleepConditionVariableCS(cond, mutex, timeout); + assert(ret || GetLastError() == ERROR_TIMEOUT); + return !ret; +#endif +} + +static inline void +mythread_condtime_set(mythread_condtime *condtime, const mythread_cond *cond, + uint32_t timeout) +{ + (void)cond; + condtime->start = GetTickCount(); + condtime->timeout = timeout; +} + +#endif #endif Index: contrib/xz/src/common/sysdefs.h =================================================================== --- contrib/xz/src/common/sysdefs.h +++ contrib/xz/src/common/sysdefs.h @@ -165,6 +165,16 @@ # include #endif +// As of MSVC 2013, inline and restrict are supported with +// non-standard keywords. +#if defined(_WIN32) && defined(_MSC_VER) +# ifndef inline +# define inline __inline +# endif +# ifndef restrict +# define restrict __restrict +# endif +#endif //////////// // Macros // Index: contrib/xz/src/common/tuklib_cpucores.c =================================================================== --- contrib/xz/src/common/tuklib_cpucores.c +++ contrib/xz/src/common/tuklib_cpucores.c @@ -12,7 +12,13 @@ #include "tuklib_cpucores.h" -#if defined(TUKLIB_CPUCORES_SYSCTL) +#if defined(_WIN32) || defined(__CYGWIN__) +# ifndef _WIN32_WINNT +# define _WIN32_WINNT 0x0500 +# endif +# include + +#elif defined(TUKLIB_CPUCORES_SYSCTL) # ifdef HAVE_SYS_PARAM_H # include # endif @@ -33,7 +39,12 @@ { uint32_t ret = 0; -#if defined(TUKLIB_CPUCORES_SYSCTL) +#if defined(_WIN32) || defined(__CYGWIN__) + SYSTEM_INFO sysinfo; + GetSystemInfo(&sysinfo); + ret = sysinfo.dwNumberOfProcessors; + +#elif defined(TUKLIB_CPUCORES_SYSCTL) int name[2] = { CTL_HW, HW_NCPU }; int cpus; size_t cpus_size = sizeof(cpus); Index: contrib/xz/src/common/tuklib_physmem.c =================================================================== --- contrib/xz/src/common/tuklib_physmem.c +++ contrib/xz/src/common/tuklib_physmem.c @@ -33,6 +33,10 @@ # include # include +#elif defined(AMIGA) || defined(__AROS__) +# define __USE_INLINE__ +# include + // AIX #elif defined(TUKLIB_PHYSMEM_AIX) # include @@ -119,6 +123,9 @@ if (LIB$GETSYI(&val, &vms_mem, 0, 0, 0, 0) == SS$_NORMAL) ret = (uint64_t)vms_mem * 8192; +#elif defined(AMIGA) || defined(__AROS__) + ret = AvailMem(MEMF_TOTAL); + #elif defined(TUKLIB_PHYSMEM_AIX) ret = _system_configuration.physmem; Index: contrib/xz/src/liblzma/api/lzma.h =================================================================== --- contrib/xz/src/liblzma/api/lzma.h +++ contrib/xz/src/liblzma/api/lzma.h @@ -286,7 +286,7 @@ #include "lzma/filter.h" #include "lzma/bcj.h" #include "lzma/delta.h" -#include "lzma/lzma.h" +#include "lzma/lzma12.h" /* Container formats */ #include "lzma/container.h" Index: contrib/xz/src/liblzma/api/lzma/base.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/base.h +++ contrib/xz/src/liblzma/api/lzma/base.h @@ -240,12 +240,12 @@ /** * \brief The `action' argument for lzma_code() * - * After the first use of LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, or LZMA_FINISH, - * the same `action' must is used until lzma_code() returns LZMA_STREAM_END. - * Also, the amount of input (that is, strm->avail_in) must not be modified - * by the application until lzma_code() returns LZMA_STREAM_END. Changing the - * `action' or modifying the amount of input will make lzma_code() return - * LZMA_PROG_ERROR. + * After the first use of LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, LZMA_FULL_BARRIER, + * or LZMA_FINISH, the same `action' must is used until lzma_code() returns + * LZMA_STREAM_END. Also, the amount of input (that is, strm->avail_in) must + * not be modified by the application until lzma_code() returns + * LZMA_STREAM_END. Changing the `action' or modifying the amount of input + * will make lzma_code() return LZMA_PROG_ERROR. */ typedef enum { LZMA_RUN = 0, @@ -293,7 +293,7 @@ * * All the input data going to the current Block must have * been given to the encoder (the last bytes can still be - * pending in* next_in). Call lzma_code() with LZMA_FULL_FLUSH + * pending in *next_in). Call lzma_code() with LZMA_FULL_FLUSH * until it returns LZMA_STREAM_END. Then continue normally * with LZMA_RUN or finish the Stream with LZMA_FINISH. * @@ -302,6 +302,29 @@ * no unfinished Block, no empty Block is created. */ + LZMA_FULL_BARRIER = 4, + /**< + * \brief Finish encoding of the current Block + * + * This is like LZMA_FULL_FLUSH except that this doesn't + * necessarily wait until all the input has been made + * available via the output buffer. That is, lzma_code() + * might return LZMA_STREAM_END as soon as all the input + * has been consumed (avail_in == 0). + * + * LZMA_FULL_BARRIER is useful with a threaded encoder if + * one wants to split the .xz Stream into Blocks at specific + * offsets but doesn't care if the output isn't flushed + * immediately. Using LZMA_FULL_BARRIER allows keeping + * the threads busy while LZMA_FULL_FLUSH would make + * lzma_code() wait until all the threads have finished + * until more data could be passed to the encoder. + * + * With a lzma_stream initialized with the single-threaded + * lzma_stream_encoder() or lzma_easy_encoder(), + * LZMA_FULL_BARRIER is an alias for LZMA_FULL_FLUSH. + */ + LZMA_FINISH = 3 /**< * \brief Finish the coding operation @@ -332,11 +355,19 @@ * malloc() and free(). C++ users should note that the custom memory * handling functions must not throw exceptions. * - * liblzma doesn't make an internal copy of lzma_allocator. Thus, it is - * OK to change these function pointers in the middle of the coding - * process, but obviously it must be done carefully to make sure that the - * replacement `free' can deallocate memory allocated by the earlier - * `alloc' function(s). + * Single-threaded mode only: liblzma doesn't make an internal copy of + * lzma_allocator. Thus, it is OK to change these function pointers in + * the middle of the coding process, but obviously it must be done + * carefully to make sure that the replacement `free' can deallocate + * memory allocated by the earlier `alloc' function(s). + * + * Multithreaded mode: liblzma might internally store pointers to the + * lzma_allocator given via the lzma_stream structure. The application + * must not change the allocator pointer in lzma_stream or the contents + * of the pointed lzma_allocator structure until lzma_end() has been used + * to free the memory associated with that lzma_stream. The allocation + * functions might be called simultaneously from multiple threads, and + * thus they must be thread safe. */ typedef struct { /** @@ -448,7 +479,8 @@ * * Application may modify the values of total_in and total_out as it wants. * They are updated by liblzma to match the amount of data read and - * written, but aren't used for anything else. + * written but aren't used for anything else except as a possible return + * values from lzma_get_progress(). */ typedef struct { const uint8_t *next_in; /**< Pointer to the next input byte. */ @@ -464,8 +496,10 @@ * * In most cases this is NULL which makes liblzma use * the standard malloc() and free(). + * + * \note In 5.0.x this is not a const pointer. */ - lzma_allocator *allocator; + const lzma_allocator *allocator; /** Internal state is not visible to applications. */ lzma_internal *internal; @@ -547,6 +581,25 @@ /** + * \brief Get progress information + * + * In single-threaded mode, applications can get progress information from + * strm->total_in and strm->total_out. In multi-threaded mode this is less + * useful because a significant amount of both input and output data gets + * buffered internally by liblzma. This makes total_in and total_out give + * misleading information and also makes the progress indicator updates + * non-smooth. + * + * This function gives realistic progress information also in multi-threaded + * mode by taking into account the progress made by each thread. In + * single-threaded mode *progress_in and *progress_out are set to + * strm->total_in and strm->total_out, respectively. + */ +extern LZMA_API(void) lzma_get_progress(lzma_stream *strm, + uint64_t *progress_in, uint64_t *progress_out) lzma_nothrow; + + +/** * \brief Get the memory usage of decoder filter chain * * This function is currently supported only when *strm has been initialized Index: contrib/xz/src/liblzma/api/lzma/block.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/block.h +++ contrib/xz/src/liblzma/api/lzma/block.h @@ -31,11 +31,16 @@ /** * \brief Block format version * - * To prevent API and ABI breakages if new features are needed in - * the Block field, a version number is used to indicate which - * fields in this structure are in use. For now, version must always - * be zero. With non-zero version, most Block related functions will - * return LZMA_OPTIONS_ERROR. + * To prevent API and ABI breakages when new features are needed, + * a version number is used to indicate which fields in this + * structure are in use: + * - liblzma >= 5.0.0: version = 0 is supported. + * - liblzma >= 5.1.4beta: Support for version = 1 was added, + * which adds the ignore_check field. + * + * If version is greater than one, most Block related functions + * will return LZMA_OPTIONS_ERROR (lzma_block_header_decode() works + * with any version value). * * Read by: * - All functions that take pointer to lzma_block as argument, @@ -233,7 +238,28 @@ lzma_reserved_enum reserved_enum2; lzma_reserved_enum reserved_enum3; lzma_reserved_enum reserved_enum4; - lzma_bool reserved_bool1; + + /** + * \brief A flag to Block decoder to not verify the Check field + * + * This field is supported by liblzma >= 5.1.4beta if .version >= 1. + * + * If this is set to true, the integrity check won't be calculated + * and verified. Unless you know what you are doing, you should + * leave this to false. (A reason to set this to true is when the + * file integrity is verified externally anyway and you want to + * speed up the decompression, which matters mostly when using + * SHA-256 as the integrity check.) + * + * If .version >= 1, read by: + * - lzma_block_decoder() + * - lzma_block_buffer_decode() + * + * Written by (.version is ignored): + * - lzma_block_header_decode() always sets this to false + */ + lzma_bool ignore_check; + lzma_bool reserved_bool2; lzma_bool reserved_bool3; lzma_bool reserved_bool4; @@ -310,10 +336,14 @@ /** * \brief Decode Block Header * - * block->version should be set to the highest value supported by the - * application; currently the only possible version is zero. This function - * will set version to the lowest value that still supports all the features - * required by the Block Header. + * block->version should (usually) be set to the highest value supported + * by the application. If the application sets block->version to a value + * higher than supported by the current liblzma version, this function will + * downgrade block->version to the highest value supported by it. Thus one + * should check the value of block->version after calling this function if + * block->version was set to a non-zero value and the application doesn't + * otherwise know that the liblzma version being used is new enough to + * support the specified block->version. * * The size of the Block Header must have already been decoded with * lzma_block_header_size_decode() macro and stored to block->header_size. @@ -344,7 +374,7 @@ * block->header_size is invalid or block->filters is NULL. */ extern LZMA_API(lzma_ret) lzma_block_header_decode(lzma_block *block, - lzma_allocator *allocator, const uint8_t *in) + const lzma_allocator *allocator, const uint8_t *in) lzma_nothrow lzma_attr_warn_unused_result; @@ -493,7 +523,25 @@ * - LZMA_PROG_ERROR */ extern LZMA_API(lzma_ret) lzma_block_buffer_encode( - lzma_block *block, lzma_allocator *allocator, + lzma_block *block, const lzma_allocator *allocator, + const uint8_t *in, size_t in_size, + uint8_t *out, size_t *out_pos, size_t out_size) + lzma_nothrow lzma_attr_warn_unused_result; + + +/** + * \brief Single-call uncompressed .xz Block encoder + * + * This is like lzma_block_buffer_encode() except this doesn't try to + * compress the data and instead encodes the data using LZMA2 uncompressed + * chunks. The required output buffer size can be determined with + * lzma_block_buffer_bound(). + * + * Since the data won't be compressed, this function ignores block->filters. + * This function doesn't take lzma_allocator because this function doesn't + * allocate any memory from the heap. + */ +extern LZMA_API(lzma_ret) lzma_block_uncomp_encode(lzma_block *block, const uint8_t *in, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow lzma_attr_warn_unused_result; @@ -527,7 +575,7 @@ * - LZMA_PROG_ERROR */ extern LZMA_API(lzma_ret) lzma_block_buffer_decode( - lzma_block *block, lzma_allocator *allocator, + lzma_block *block, const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow; Index: contrib/xz/src/liblzma/api/lzma/container.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/container.h +++ contrib/xz/src/liblzma/api/lzma/container.h @@ -61,6 +61,131 @@ /** + * \brief Multithreading options + */ +typedef struct { + /** + * \brief Flags + * + * Set this to zero if no flags are wanted. + * + * No flags are currently supported. + */ + uint32_t flags; + + /** + * \brief Number of worker threads to use + */ + uint32_t threads; + + /** + * \brief Maximum uncompressed size of a Block + * + * The encoder will start a new .xz Block every block_size bytes. + * Using LZMA_FULL_FLUSH or LZMA_FULL_BARRIER with lzma_code() + * the caller may tell liblzma to start a new Block earlier. + * + * With LZMA2, a recommended block size is 2-4 times the LZMA2 + * dictionary size. With very small dictionaries, it is recommended + * to use at least 1 MiB block size for good compression ratio, even + * if this is more than four times the dictionary size. Note that + * these are only recommendations for typical use cases; feel free + * to use other values. Just keep in mind that using a block size + * less than the LZMA2 dictionary size is waste of RAM. + * + * Set this to 0 to let liblzma choose the block size depending + * on the compression options. For LZMA2 it will be 3*dict_size + * or 1 MiB, whichever is more. + * + * For each thread, about 3 * block_size bytes of memory will be + * allocated. This may change in later liblzma versions. If so, + * the memory usage will probably be reduced, not increased. + */ + uint64_t block_size; + + /** + * \brief Timeout to allow lzma_code() to return early + * + * Multithreading can make liblzma to consume input and produce + * output in a very bursty way: it may first read a lot of input + * to fill internal buffers, then no input or output occurs for + * a while. + * + * In single-threaded mode, lzma_code() won't return until it has + * either consumed all the input or filled the output buffer. If + * this is done in multithreaded mode, it may cause a call + * lzma_code() to take even tens of seconds, which isn't acceptable + * in all applications. + * + * To avoid very long blocking times in lzma_code(), a timeout + * (in milliseconds) may be set here. If lzma_code() would block + * longer than this number of milliseconds, it will return with + * LZMA_OK. Reasonable values are 100 ms or more. The xz command + * line tool uses 300 ms. + * + * If long blocking times are fine for you, set timeout to a special + * value of 0, which will disable the timeout mechanism and will make + * lzma_code() block until all the input is consumed or the output + * buffer has been filled. + * + * \note Even with a timeout, lzma_code() might sometimes take + * somewhat long time to return. No timing guarantees + * are made. + */ + uint32_t timeout; + + /** + * \brief Compression preset (level and possible flags) + * + * The preset is set just like with lzma_easy_encoder(). + * The preset is ignored if filters below is non-NULL. + */ + uint32_t preset; + + /** + * \brief Filter chain (alternative to a preset) + * + * If this is NULL, the preset above is used. Otherwise the preset + * is ignored and the filter chain specified here is used. + */ + const lzma_filter *filters; + + /** + * \brief Integrity check type + * + * See check.h for available checks. The xz command line tool + * defaults to LZMA_CHECK_CRC64, which is a good choice if you + * are unsure. + */ + lzma_check check; + + /* + * Reserved space to allow possible future extensions without + * breaking the ABI. You should not touch these, because the names + * of these variables may change. These are and will never be used + * with the currently supported options, so it is safe to leave these + * uninitialized. + */ + lzma_reserved_enum reserved_enum1; + lzma_reserved_enum reserved_enum2; + lzma_reserved_enum reserved_enum3; + uint32_t reserved_int1; + uint32_t reserved_int2; + uint32_t reserved_int3; + uint32_t reserved_int4; + uint64_t reserved_int5; + uint64_t reserved_int6; + uint64_t reserved_int7; + uint64_t reserved_int8; + void *reserved_ptr1; + void *reserved_ptr2; + void *reserved_ptr3; + void *reserved_ptr4; + +} lzma_mt; + + +/** * \brief Calculate approximate memory usage of easy encoder * * This function is a wrapper for lzma_raw_encoder_memusage(). @@ -165,7 +290,8 @@ */ extern LZMA_API(lzma_ret) lzma_easy_buffer_encode( uint32_t preset, lzma_check check, - lzma_allocator *allocator, const uint8_t *in, size_t in_size, + const lzma_allocator *allocator, + const uint8_t *in, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow; @@ -191,6 +317,49 @@ /** + * \brief Calculate approximate memory usage of multithreaded .xz encoder + * + * Since doing the encoding in threaded mode doesn't affect the memory + * requirements of single-threaded decompressor, you can use + * lzma_easy_decoder_memusage(options->preset) or + * lzma_raw_decoder_memusage(options->filters) to calculate + * the decompressor memory requirements. + * + * \param options Compression options + * + * \return Number of bytes of memory required for encoding with the + * given options. If an error occurs, for example due to + * unsupported preset or filter chain, UINT64_MAX is returned. + */ +extern LZMA_API(uint64_t) lzma_stream_encoder_mt_memusage( + const lzma_mt *options) lzma_nothrow lzma_attr_pure; + + +/** + * \brief Initialize multithreaded .xz Stream encoder + * + * This provides the functionality of lzma_easy_encoder() and + * lzma_stream_encoder() as a single function for multithreaded use. + * + * The supported actions for lzma_code() are LZMA_RUN, LZMA_FULL_FLUSH, + * LZMA_FULL_BARRIER, and LZMA_FINISH. Support for LZMA_SYNC_FLUSH might be + * added in the future. + * + * \param strm Pointer to properly prepared lzma_stream + * \param options Pointer to multithreaded compression options + * + * \return - LZMA_OK + * - LZMA_MEM_ERROR + * - LZMA_UNSUPPORTED_CHECK + * - LZMA_OPTIONS_ERROR + * - LZMA_PROG_ERROR + */ +extern LZMA_API(lzma_ret) lzma_stream_encoder_mt( + lzma_stream *strm, const lzma_mt *options) + lzma_nothrow lzma_attr_warn_unused_result; + + +/** * \brief Initialize .lzma encoder (legacy file format) * * The .lzma format is sometimes called the LZMA_Alone format, which is the @@ -269,7 +438,8 @@ */ extern LZMA_API(lzma_ret) lzma_stream_buffer_encode( lzma_filter *filters, lzma_check check, - lzma_allocator *allocator, const uint8_t *in, size_t in_size, + const lzma_allocator *allocator, + const uint8_t *in, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow lzma_attr_warn_unused_result; @@ -305,6 +475,30 @@ /** + * This flag makes lzma_code() not calculate and verify the integrity check + * of the compressed data in .xz files. This means that invalid integrity + * check values won't be detected and LZMA_DATA_ERROR won't be returned in + * such cases. + * + * This flag only affects the checks of the compressed data itself; the CRC32 + * values in the .xz headers will still be verified normally. + * + * Don't use this flag unless you know what you are doing. Possible reasons + * to use this flag: + * + * - Trying to recover data from a corrupt .xz file. + * + * - Speeding up decompression, which matters mostly with SHA-256 + * or with files that have compressed extremely well. It's recommended + * to not use this flag for this purpose unless the file integrity is + * verified externally in some other way. + * + * Support for this flag was added in liblzma 5.1.4beta. + */ +#define LZMA_IGNORE_CHECK UINT32_C(0x10) + + +/** * This flag enables decoding of concatenated files with file formats that * allow concatenating compressed files as is. From the formats currently * supported by liblzma, only the .xz format allows concatenated files. @@ -418,7 +612,8 @@ * - LZMA_PROG_ERROR */ extern LZMA_API(lzma_ret) lzma_stream_buffer_decode( - uint64_t *memlimit, uint32_t flags, lzma_allocator *allocator, + uint64_t *memlimit, uint32_t flags, + const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow lzma_attr_warn_unused_result; Index: contrib/xz/src/liblzma/api/lzma/filter.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/filter.h +++ contrib/xz/src/liblzma/api/lzma/filter.h @@ -116,8 +116,9 @@ * is not NULL. * - LZMA_PROG_ERROR: src or dest is NULL. */ -extern LZMA_API(lzma_ret) lzma_filters_copy(const lzma_filter *src, - lzma_filter *dest, lzma_allocator *allocator) lzma_nothrow; +extern LZMA_API(lzma_ret) lzma_filters_copy( + const lzma_filter *src, lzma_filter *dest, + const lzma_allocator *allocator) lzma_nothrow; /** @@ -256,7 +257,7 @@ * won't necessarily meet that bound.) */ extern LZMA_API(lzma_ret) lzma_raw_buffer_encode( - const lzma_filter *filters, lzma_allocator *allocator, + const lzma_filter *filters, const lzma_allocator *allocator, const uint8_t *in, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow; @@ -280,7 +281,7 @@ * which no data is written to is out[out_size]. */ extern LZMA_API(lzma_ret) lzma_raw_buffer_decode( - const lzma_filter *filters, lzma_allocator *allocator, + const lzma_filter *filters, const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow; @@ -356,7 +357,7 @@ * - LZMA_MEM_ERROR */ extern LZMA_API(lzma_ret) lzma_properties_decode( - lzma_filter *filter, lzma_allocator *allocator, + lzma_filter *filter, const lzma_allocator *allocator, const uint8_t *props, size_t props_size) lzma_nothrow; @@ -419,6 +420,6 @@ * - LZMA_PROG_ERROR */ extern LZMA_API(lzma_ret) lzma_filter_flags_decode( - lzma_filter *filter, lzma_allocator *allocator, + lzma_filter *filter, const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size) lzma_nothrow lzma_attr_warn_unused_result; Index: contrib/xz/src/liblzma/api/lzma/hardware.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/hardware.h +++ contrib/xz/src/liblzma/api/lzma/hardware.h @@ -48,3 +48,17 @@ * of RAM on the specific operating system. */ extern LZMA_API(uint64_t) lzma_physmem(void) lzma_nothrow; + + +/** + * \brief Get the number of processor cores or threads + * + * This function may be useful when determining how many threads to use. + * If the hardware supports more than one thread per CPU core, the number + * of hardware threads is returned if that information is available. + * + * \brief On success, the number of available CPU threads or cores is + * returned. If this information isn't available or an error + * occurs, zero is returned. + */ +extern LZMA_API(uint32_t) lzma_cputhreads(void) lzma_nothrow; Index: contrib/xz/src/liblzma/api/lzma/index.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/index.h +++ contrib/xz/src/liblzma/api/lzma/index.h @@ -303,7 +303,7 @@ * \return On success, a pointer to an empty initialized lzma_index is * returned. If allocation fails, NULL is returned. */ -extern LZMA_API(lzma_index *) lzma_index_init(lzma_allocator *allocator) +extern LZMA_API(lzma_index *) lzma_index_init(const lzma_allocator *allocator) lzma_nothrow; @@ -312,8 +312,8 @@ * * If i is NULL, this does nothing. */ -extern LZMA_API(void) lzma_index_end(lzma_index *i, lzma_allocator *allocator) - lzma_nothrow; +extern LZMA_API(void) lzma_index_end( + lzma_index *i, const lzma_allocator *allocator) lzma_nothrow; /** @@ -341,7 +341,7 @@ * - LZMA_PROG_ERROR */ extern LZMA_API(lzma_ret) lzma_index_append( - lzma_index *i, lzma_allocator *allocator, + lzma_index *i, const lzma_allocator *allocator, lzma_vli unpadded_size, lzma_vli uncompressed_size) lzma_nothrow lzma_attr_warn_unused_result; @@ -564,8 +564,8 @@ * - LZMA_MEM_ERROR * - LZMA_PROG_ERROR */ -extern LZMA_API(lzma_ret) lzma_index_cat( - lzma_index *dest, lzma_index *src, lzma_allocator *allocator) +extern LZMA_API(lzma_ret) lzma_index_cat(lzma_index *dest, lzma_index *src, + const lzma_allocator *allocator) lzma_nothrow lzma_attr_warn_unused_result; @@ -575,7 +575,7 @@ * \return A copy of the lzma_index, or NULL if memory allocation failed. */ extern LZMA_API(lzma_index *) lzma_index_dup( - const lzma_index *i, lzma_allocator *allocator) + const lzma_index *i, const lzma_allocator *allocator) lzma_nothrow lzma_attr_warn_unused_result; @@ -677,6 +677,6 @@ * - LZMA_PROG_ERROR */ extern LZMA_API(lzma_ret) lzma_index_buffer_decode(lzma_index **i, - uint64_t *memlimit, lzma_allocator *allocator, + uint64_t *memlimit, const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size) lzma_nothrow; Index: contrib/xz/src/liblzma/api/lzma/index_hash.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/index_hash.h +++ contrib/xz/src/liblzma/api/lzma/index_hash.h @@ -37,7 +37,7 @@ * pointer than the index_hash that was given as an argument. */ extern LZMA_API(lzma_index_hash *) lzma_index_hash_init( - lzma_index_hash *index_hash, lzma_allocator *allocator) + lzma_index_hash *index_hash, const lzma_allocator *allocator) lzma_nothrow lzma_attr_warn_unused_result; @@ -45,7 +45,7 @@ * \brief Deallocate lzma_index_hash structure */ extern LZMA_API(void) lzma_index_hash_end( - lzma_index_hash *index_hash, lzma_allocator *allocator) + lzma_index_hash *index_hash, const lzma_allocator *allocator) lzma_nothrow; Index: contrib/xz/src/liblzma/api/lzma/lzma.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/lzma.h +++ /dev/null @@ -1,420 +0,0 @@ -/** - * \file lzma/lzma.h - * \brief LZMA1 and LZMA2 filters - */ - -/* - * Author: Lasse Collin - * - * This file has been put into the public domain. - * You can do whatever you want with this file. - * - * See ../lzma.h for information about liblzma as a whole. - */ - -#ifndef LZMA_H_INTERNAL -# error Never include this file directly. Use instead. -#endif - - -/** - * \brief LZMA1 Filter ID - * - * LZMA1 is the very same thing as what was called just LZMA in LZMA Utils, - * 7-Zip, and LZMA SDK. It's called LZMA1 here to prevent developers from - * accidentally using LZMA when they actually want LZMA2. - * - * LZMA1 shouldn't be used for new applications unless you _really_ know - * what you are doing. LZMA2 is almost always a better choice. - */ -#define LZMA_FILTER_LZMA1 LZMA_VLI_C(0x4000000000000001) - -/** - * \brief LZMA2 Filter ID - * - * Usually you want this instead of LZMA1. Compared to LZMA1, LZMA2 adds - * support for LZMA_SYNC_FLUSH, uncompressed chunks (smaller expansion - * when trying to compress uncompressible data), possibility to change - * lc/lp/pb in the middle of encoding, and some other internal improvements. - */ -#define LZMA_FILTER_LZMA2 LZMA_VLI_C(0x21) - - -/** - * \brief Match finders - * - * Match finder has major effect on both speed and compression ratio. - * Usually hash chains are faster than binary trees. - * - * If you will use LZMA_SYNC_FLUSH often, the hash chains may be a better - * choice, because binary trees get much higher compression ratio penalty - * with LZMA_SYNC_FLUSH. - * - * The memory usage formulas are only rough estimates, which are closest to - * reality when dict_size is a power of two. The formulas are more complex - * in reality, and can also change a little between liblzma versions. Use - * lzma_raw_encoder_memusage() to get more accurate estimate of memory usage. - */ -typedef enum { - LZMA_MF_HC3 = 0x03, - /**< - * \brief Hash Chain with 2- and 3-byte hashing - * - * Minimum nice_len: 3 - * - * Memory usage: - * - dict_size <= 16 MiB: dict_size * 7.5 - * - dict_size > 16 MiB: dict_size * 5.5 + 64 MiB - */ - - LZMA_MF_HC4 = 0x04, - /**< - * \brief Hash Chain with 2-, 3-, and 4-byte hashing - * - * Minimum nice_len: 4 - * - * Memory usage: - * - dict_size <= 32 MiB: dict_size * 7.5 - * - dict_size > 32 MiB: dict_size * 6.5 - */ - - LZMA_MF_BT2 = 0x12, - /**< - * \brief Binary Tree with 2-byte hashing - * - * Minimum nice_len: 2 - * - * Memory usage: dict_size * 9.5 - */ - - LZMA_MF_BT3 = 0x13, - /**< - * \brief Binary Tree with 2- and 3-byte hashing - * - * Minimum nice_len: 3 - * - * Memory usage: - * - dict_size <= 16 MiB: dict_size * 11.5 - * - dict_size > 16 MiB: dict_size * 9.5 + 64 MiB - */ - - LZMA_MF_BT4 = 0x14 - /**< - * \brief Binary Tree with 2-, 3-, and 4-byte hashing - * - * Minimum nice_len: 4 - * - * Memory usage: - * - dict_size <= 32 MiB: dict_size * 11.5 - * - dict_size > 32 MiB: dict_size * 10.5 - */ -} lzma_match_finder; - - -/** - * \brief Test if given match finder is supported - * - * Return true if the given match finder is supported by this liblzma build. - * Otherwise false is returned. It is safe to call this with a value that - * isn't listed in lzma_match_finder enumeration; the return value will be - * false. - * - * There is no way to list which match finders are available in this - * particular liblzma version and build. It would be useless, because - * a new match finder, which the application developer wasn't aware, - * could require giving additional options to the encoder that the older - * match finders don't need. - */ -extern LZMA_API(lzma_bool) lzma_mf_is_supported(lzma_match_finder match_finder) - lzma_nothrow lzma_attr_const; - - -/** - * \brief Compression modes - * - * This selects the function used to analyze the data produced by the match - * finder. - */ -typedef enum { - LZMA_MODE_FAST = 1, - /**< - * \brief Fast compression - * - * Fast mode is usually at its best when combined with - * a hash chain match finder. - */ - - LZMA_MODE_NORMAL = 2 - /**< - * \brief Normal compression - * - * This is usually notably slower than fast mode. Use this - * together with binary tree match finders to expose the - * full potential of the LZMA1 or LZMA2 encoder. - */ -} lzma_mode; - - -/** - * \brief Test if given compression mode is supported - * - * Return true if the given compression mode is supported by this liblzma - * build. Otherwise false is returned. It is safe to call this with a value - * that isn't listed in lzma_mode enumeration; the return value will be false. - * - * There is no way to list which modes are available in this particular - * liblzma version and build. It would be useless, because a new compression - * mode, which the application developer wasn't aware, could require giving - * additional options to the encoder that the older modes don't need. - */ -extern LZMA_API(lzma_bool) lzma_mode_is_supported(lzma_mode mode) - lzma_nothrow lzma_attr_const; - - -/** - * \brief Options specific to the LZMA1 and LZMA2 filters - * - * Since LZMA1 and LZMA2 share most of the code, it's simplest to share - * the options structure too. For encoding, all but the reserved variables - * need to be initialized unless specifically mentioned otherwise. - * lzma_lzma_preset() can be used to get a good starting point. - * - * For raw decoding, both LZMA1 and LZMA2 need dict_size, preset_dict, and - * preset_dict_size (if preset_dict != NULL). LZMA1 needs also lc, lp, and pb. - */ -typedef struct { - /** - * \brief Dictionary size in bytes - * - * Dictionary size indicates how many bytes of the recently processed - * uncompressed data is kept in memory. One method to reduce size of - * the uncompressed data is to store distance-length pairs, which - * indicate what data to repeat from the dictionary buffer. Thus, - * the bigger the dictionary, the better the compression ratio - * usually is. - * - * Maximum size of the dictionary depends on multiple things: - * - Memory usage limit - * - Available address space (not a problem on 64-bit systems) - * - Selected match finder (encoder only) - * - * Currently the maximum dictionary size for encoding is 1.5 GiB - * (i.e. (UINT32_C(1) << 30) + (UINT32_C(1) << 29)) even on 64-bit - * systems for certain match finder implementation reasons. In the - * future, there may be match finders that support bigger - * dictionaries. - * - * Decoder already supports dictionaries up to 4 GiB - 1 B (i.e. - * UINT32_MAX), so increasing the maximum dictionary size of the - * encoder won't cause problems for old decoders. - * - * Because extremely small dictionaries sizes would have unneeded - * overhead in the decoder, the minimum dictionary size is 4096 bytes. - * - * \note When decoding, too big dictionary does no other harm - * than wasting memory. - */ - uint32_t dict_size; -# define LZMA_DICT_SIZE_MIN UINT32_C(4096) -# define LZMA_DICT_SIZE_DEFAULT (UINT32_C(1) << 23) - - /** - * \brief Pointer to an initial dictionary - * - * It is possible to initialize the LZ77 history window using - * a preset dictionary. It is useful when compressing many - * similar, relatively small chunks of data independently from - * each other. The preset dictionary should contain typical - * strings that occur in the files being compressed. The most - * probable strings should be near the end of the preset dictionary. - * - * This feature should be used only in special situations. For - * now, it works correctly only with raw encoding and decoding. - * Currently none of the container formats supported by - * liblzma allow preset dictionary when decoding, thus if - * you create a .xz or .lzma file with preset dictionary, it - * cannot be decoded with the regular decoder functions. In the - * future, the .xz format will likely get support for preset - * dictionary though. - */ - const uint8_t *preset_dict; - - /** - * \brief Size of the preset dictionary - * - * Specifies the size of the preset dictionary. If the size is - * bigger than dict_size, only the last dict_size bytes are - * processed. - * - * This variable is read only when preset_dict is not NULL. - * If preset_dict is not NULL but preset_dict_size is zero, - * no preset dictionary is used (identical to only setting - * preset_dict to NULL). - */ - uint32_t preset_dict_size; - - /** - * \brief Number of literal context bits - * - * How many of the highest bits of the previous uncompressed - * eight-bit byte (also known as `literal') are taken into - * account when predicting the bits of the next literal. - * - * E.g. in typical English text, an upper-case letter is - * often followed by a lower-case letter, and a lower-case - * letter is usually followed by another lower-case letter. - * In the US-ASCII character set, the highest three bits are 010 - * for upper-case letters and 011 for lower-case letters. - * When lc is at least 3, the literal coding can take advantage of - * this property in the uncompressed data. - * - * There is a limit that applies to literal context bits and literal - * position bits together: lc + lp <= 4. Without this limit the - * decoding could become very slow, which could have security related - * results in some cases like email servers doing virus scanning. - * This limit also simplifies the internal implementation in liblzma. - * - * There may be LZMA1 streams that have lc + lp > 4 (maximum possible - * lc would be 8). It is not possible to decode such streams with - * liblzma. - */ - uint32_t lc; -# define LZMA_LCLP_MIN 0 -# define LZMA_LCLP_MAX 4 -# define LZMA_LC_DEFAULT 3 - - /** - * \brief Number of literal position bits - * - * lp affects what kind of alignment in the uncompressed data is - * assumed when encoding literals. A literal is a single 8-bit byte. - * See pb below for more information about alignment. - */ - uint32_t lp; -# define LZMA_LP_DEFAULT 0 - - /** - * \brief Number of position bits - * - * pb affects what kind of alignment in the uncompressed data is - * assumed in general. The default means four-byte alignment - * (2^ pb =2^2=4), which is often a good choice when there's - * no better guess. - * - * When the aligment is known, setting pb accordingly may reduce - * the file size a little. E.g. with text files having one-byte - * alignment (US-ASCII, ISO-8859-*, UTF-8), setting pb=0 can - * improve compression slightly. For UTF-16 text, pb=1 is a good - * choice. If the alignment is an odd number like 3 bytes, pb=0 - * might be the best choice. - * - * Even though the assumed alignment can be adjusted with pb and - * lp, LZMA1 and LZMA2 still slightly favor 16-byte alignment. - * It might be worth taking into account when designing file formats - * that are likely to be often compressed with LZMA1 or LZMA2. - */ - uint32_t pb; -# define LZMA_PB_MIN 0 -# define LZMA_PB_MAX 4 -# define LZMA_PB_DEFAULT 2 - - /** Compression mode */ - lzma_mode mode; - - /** - * \brief Nice length of a match - * - * This determines how many bytes the encoder compares from the match - * candidates when looking for the best match. Once a match of at - * least nice_len bytes long is found, the encoder stops looking for - * better candidates and encodes the match. (Naturally, if the found - * match is actually longer than nice_len, the actual length is - * encoded; it's not truncated to nice_len.) - * - * Bigger values usually increase the compression ratio and - * compression time. For most files, 32 to 128 is a good value, - * which gives very good compression ratio at good speed. - * - * The exact minimum value depends on the match finder. The maximum - * is 273, which is the maximum length of a match that LZMA1 and - * LZMA2 can encode. - */ - uint32_t nice_len; - - /** Match finder ID */ - lzma_match_finder mf; - - /** - * \brief Maximum search depth in the match finder - * - * For every input byte, match finder searches through the hash chain - * or binary tree in a loop, each iteration going one step deeper in - * the chain or tree. The searching stops if - * - a match of at least nice_len bytes long is found; - * - all match candidates from the hash chain or binary tree have - * been checked; or - * - maximum search depth is reached. - * - * Maximum search depth is needed to prevent the match finder from - * wasting too much time in case there are lots of short match - * candidates. On the other hand, stopping the search before all - * candidates have been checked can reduce compression ratio. - * - * Setting depth to zero tells liblzma to use an automatic default - * value, that depends on the selected match finder and nice_len. - * The default is in the range [4, 200] or so (it may vary between - * liblzma versions). - * - * Using a bigger depth value than the default can increase - * compression ratio in some cases. There is no strict maximum value, - * but high values (thousands or millions) should be used with care: - * the encoder could remain fast enough with typical input, but - * malicious input could cause the match finder to slow down - * dramatically, possibly creating a denial of service attack. - */ - uint32_t depth; - - /* - * Reserved space to allow possible future extensions without - * breaking the ABI. You should not touch these, because the names - * of these variables may change. These are and will never be used - * with the currently supported options, so it is safe to leave these - * uninitialized. - */ - uint32_t reserved_int1; - uint32_t reserved_int2; - uint32_t reserved_int3; - uint32_t reserved_int4; - uint32_t reserved_int5; - uint32_t reserved_int6; - uint32_t reserved_int7; - uint32_t reserved_int8; - lzma_reserved_enum reserved_enum1; - lzma_reserved_enum reserved_enum2; - lzma_reserved_enum reserved_enum3; - lzma_reserved_enum reserved_enum4; - void *reserved_ptr1; - void *reserved_ptr2; - -} lzma_options_lzma; - - -/** - * \brief Set a compression preset to lzma_options_lzma structure - * - * 0 is the fastest and 9 is the slowest. These match the switches -0 .. -9 - * of the xz command line tool. In addition, it is possible to bitwise-or - * flags to the preset. Currently only LZMA_PRESET_EXTREME is supported. - * The flags are defined in container.h, because the flags are used also - * with lzma_easy_encoder(). - * - * The preset values are subject to changes between liblzma versions. - * - * This function is available only if LZMA1 or LZMA2 encoder has been enabled - * when building liblzma. - * - * \return On success, false is returned. If the preset is not - * supported, true is returned. - */ -extern LZMA_API(lzma_bool) lzma_lzma_preset( - lzma_options_lzma *options, uint32_t preset) lzma_nothrow; Index: contrib/xz/src/liblzma/api/lzma/version.h =================================================================== --- contrib/xz/src/liblzma/api/lzma/version.h +++ contrib/xz/src/liblzma/api/lzma/version.h @@ -21,8 +21,8 @@ * Version number split into components */ #define LZMA_VERSION_MAJOR 5 -#define LZMA_VERSION_MINOR 0 -#define LZMA_VERSION_PATCH 7 +#define LZMA_VERSION_MINOR 2 +#define LZMA_VERSION_PATCH 0 #define LZMA_VERSION_STABILITY LZMA_VERSION_STABILITY_STABLE #ifndef LZMA_VERSION_COMMIT Index: contrib/xz/src/liblzma/check/check.h =================================================================== --- contrib/xz/src/liblzma/check/check.h +++ contrib/xz/src/liblzma/check/check.h @@ -15,6 +15,43 @@ #include "common.h" +#if defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H) +# include +#elif defined(HAVE_SHA256_H) +# include +# include +#elif defined(HAVE_SHA2_H) +# include +# include +#elif defined(HAVE_MINIX_SHA2_H) +# include +# include +#endif + +#if defined(HAVE_CC_SHA256_CTX) +typedef CC_SHA256_CTX lzma_sha256_state; +#elif defined(HAVE_SHA256_CTX) +typedef SHA256_CTX lzma_sha256_state; +#elif defined(HAVE_SHA2_CTX) +typedef SHA2_CTX lzma_sha256_state; +#else +/// State for the internal SHA-256 implementation +typedef struct { + /// Internal state + uint32_t state[8]; + + /// Size of the message excluding padding + uint64_t size; +} lzma_sha256_state; +#endif + +#if defined(HAVE_CC_SHA256_INIT) +# define LZMA_SHA256FUNC(x) CC_SHA256_ ## x +#elif defined(HAVE_SHA256_INIT) +# define LZMA_SHA256FUNC(x) SHA256_ ## x +#elif defined(HAVE_SHA256INIT) +# define LZMA_SHA256FUNC(x) SHA256 ## x +#endif // Index hashing needs the best possible hash function (preferably // a cryptographic hash) for maximum reliability. @@ -43,14 +80,7 @@ union { uint32_t crc32; uint64_t crc64; - - struct { - /// Internal state - uint32_t state[8]; - - /// Size of the message excluding padding - uint64_t size; - } sha256; + lzma_sha256_state sha256; } state; } lzma_check_state; @@ -82,6 +112,8 @@ extern void lzma_check_finish(lzma_check_state *check, lzma_check type); +#ifndef LZMA_SHA256FUNC + /// Prepare SHA-256 state for new input. extern void lzma_sha256_init(lzma_check_state *check); @@ -92,4 +124,39 @@ /// Finish the SHA-256 calculation and store the result to check->buffer.u8. extern void lzma_sha256_finish(lzma_check_state *check); + +#else + +static inline void +lzma_sha256_init(lzma_check_state *check) +{ + LZMA_SHA256FUNC(Init)(&check->state.sha256); +} + + +static inline void +lzma_sha256_update(const uint8_t *buf, size_t size, lzma_check_state *check) +{ +#if defined(HAVE_CC_SHA256_INIT) && SIZE_MAX > UINT32_MAX + // Darwin's CC_SHA256_Update takes uint32_t as the buffer size, + // so use a loop to support size_t. + while (size > UINT32_MAX) { + LZMA_SHA256FUNC(Update)(&check->state.sha256, buf, UINT32_MAX); + buf += UINT32_MAX; + size -= UINT32_MAX; + } +#endif + + LZMA_SHA256FUNC(Update)(&check->state.sha256, buf, size); +} + + +static inline void +lzma_sha256_finish(lzma_check_state *check) +{ + LZMA_SHA256FUNC(Final)(check->buffer.u8, &check->state.sha256); +} + +#endif + #endif Index: contrib/xz/src/liblzma/check/sha256.c =================================================================== --- contrib/xz/src/liblzma/check/sha256.c +++ contrib/xz/src/liblzma/check/sha256.c @@ -21,22 +21,22 @@ // /////////////////////////////////////////////////////////////////////////////// -// Avoid bogus warnings in transform(). -#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 2) || __GNUC__ > 4 -# pragma GCC diagnostic ignored "-Wuninitialized" -#endif - #include "check.h" -// At least on x86, GCC is able to optimize this to a rotate instruction. -#define rotr_32(num, amount) ((num) >> (amount) | (num) << (32 - (amount))) +// Rotate a uint32_t. GCC can optimize this to a rotate instruction +// at least on x86. +static inline uint32_t +rotr_32(uint32_t num, unsigned amount) +{ + return (num >> amount) | (num << (32 - amount)); +} -#define blk0(i) (W[i] = data[i]) +#define blk0(i) (W[i] = conv32be(data[i])) #define blk2(i) (W[i & 15] += s1(W[(i - 2) & 15]) + W[(i - 7) & 15] \ + s0(W[(i - 15) & 15])) #define Ch(x, y, z) (z ^ (x & (y ^ z))) -#define Maj(x, y, z) ((x & y) | (z & (x | y))) +#define Maj(x, y, z) ((x & (y ^ z)) + (y & z)) #define a(i) T[(0 - i) & 7] #define b(i) T[(1 - i) & 7] @@ -47,16 +47,17 @@ #define g(i) T[(6 - i) & 7] #define h(i) T[(7 - i) & 7] -#define R(i) \ - h(i) += S1(e(i)) + Ch(e(i), f(i), g(i)) + SHA256_K[i + j] \ - + (j ? blk2(i) : blk0(i)); \ +#define R(i, j, blk) \ + h(i) += S1(e(i)) + Ch(e(i), f(i), g(i)) + SHA256_K[i + j] + blk; \ d(i) += h(i); \ h(i) += S0(a(i)) + Maj(a(i), b(i), c(i)) +#define R0(i) R(i, 0, blk0(i)) +#define R2(i) R(i, j, blk2(i)) -#define S0(x) (rotr_32(x, 2) ^ rotr_32(x, 13) ^ rotr_32(x, 22)) -#define S1(x) (rotr_32(x, 6) ^ rotr_32(x, 11) ^ rotr_32(x, 25)) -#define s0(x) (rotr_32(x, 7) ^ rotr_32(x, 18) ^ (x >> 3)) -#define s1(x) (rotr_32(x, 17) ^ rotr_32(x, 19) ^ (x >> 10)) +#define S0(x) rotr_32(x ^ rotr_32(x ^ rotr_32(x, 9), 11), 2) +#define S1(x) rotr_32(x ^ rotr_32(x ^ rotr_32(x, 14), 5), 6) +#define s0(x) (rotr_32(x ^ rotr_32(x, 11), 7) ^ (x >> 3)) +#define s1(x) (rotr_32(x ^ rotr_32(x, 2), 17) ^ (x >> 10)) static const uint32_t SHA256_K[64] = { @@ -88,12 +89,18 @@ // Copy state[] to working vars. memcpy(T, state, sizeof(T)); - // 64 operations, partially loop unrolled - for (unsigned int j = 0; j < 64; j += 16) { - R( 0); R( 1); R( 2); R( 3); - R( 4); R( 5); R( 6); R( 7); - R( 8); R( 9); R(10); R(11); - R(12); R(13); R(14); R(15); + // The first 16 operations unrolled + R0( 0); R0( 1); R0( 2); R0( 3); + R0( 4); R0( 5); R0( 6); R0( 7); + R0( 8); R0( 9); R0(10); R0(11); + R0(12); R0(13); R0(14); R0(15); + + // The remaining 48 operations partially unrolled + for (unsigned int j = 16; j < 64; j += 16) { + R2( 0); R2( 1); R2( 2); R2( 3); + R2( 4); R2( 5); R2( 6); R2( 7); + R2( 8); R2( 9); R2(10); R2(11); + R2(12); R2(13); R2(14); R2(15); } // Add the working vars back into state[]. @@ -111,18 +118,7 @@ static void process(lzma_check_state *check) { -#ifdef WORDS_BIGENDIAN transform(check->state.sha256.state, check->buffer.u32); - -#else - uint32_t data[16]; - - for (size_t i = 0; i < 16; ++i) - data[i] = bswap32(check->buffer.u32[i]); - - transform(check->state.sha256.state, data); -#endif - return; } Index: contrib/xz/src/liblzma/common/alone_decoder.h =================================================================== --- contrib/xz/src/liblzma/common/alone_decoder.h +++ contrib/xz/src/liblzma/common/alone_decoder.h @@ -17,7 +17,7 @@ extern lzma_ret lzma_alone_decoder_init( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, uint64_t memlimit, bool picky); #endif Index: contrib/xz/src/liblzma/common/alone_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/alone_decoder.c +++ contrib/xz/src/liblzma/common/alone_decoder.c @@ -51,7 +51,7 @@ static lzma_ret alone_decode(lzma_coder *coder, - lzma_allocator *allocator lzma_attribute((__unused__)), + const lzma_allocator *allocator lzma_attribute((__unused__)), const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, @@ -166,7 +166,7 @@ static void -alone_decoder_end(lzma_coder *coder, lzma_allocator *allocator) +alone_decoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); lzma_free(coder, allocator); @@ -193,7 +193,7 @@ extern lzma_ret -lzma_alone_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_alone_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, uint64_t memlimit, bool picky) { lzma_next_coder_init(&lzma_alone_decoder_init, next, allocator); Index: contrib/xz/src/liblzma/common/alone_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/alone_encoder.c +++ contrib/xz/src/liblzma/common/alone_encoder.c @@ -32,7 +32,7 @@ static lzma_ret alone_encode(lzma_coder *coder, - lzma_allocator *allocator lzma_attribute((__unused__)), + const lzma_allocator *allocator lzma_attribute((__unused__)), const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, @@ -65,7 +65,7 @@ static void -alone_encoder_end(lzma_coder *coder, lzma_allocator *allocator) +alone_encoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); lzma_free(coder, allocator); @@ -75,7 +75,7 @@ // At least for now, this is not used by any internal function. static lzma_ret -alone_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +alone_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_options_lzma *options) { lzma_next_coder_init(&alone_encoder_init, next, allocator); @@ -137,7 +137,7 @@ /* extern lzma_ret -lzma_alone_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_alone_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_options_alone *options) { lzma_next_coder_init(&alone_encoder_init, next, allocator, options); Index: contrib/xz/src/liblzma/common/auto_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/auto_decoder.c +++ contrib/xz/src/liblzma/common/auto_decoder.c @@ -30,7 +30,7 @@ static lzma_ret -auto_decode(lzma_coder *coder, lzma_allocator *allocator, +auto_decode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -100,7 +100,7 @@ static void -auto_decoder_end(lzma_coder *coder, lzma_allocator *allocator) +auto_decoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); lzma_free(coder, allocator); @@ -143,7 +143,7 @@ static lzma_ret -auto_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +auto_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, uint64_t memlimit, uint32_t flags) { lzma_next_coder_init(&auto_decoder_init, next, allocator); Index: contrib/xz/src/liblzma/common/block_buffer_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/block_buffer_decoder.c +++ contrib/xz/src/liblzma/common/block_buffer_decoder.c @@ -14,7 +14,7 @@ extern LZMA_API(lzma_ret) -lzma_block_buffer_decode(lzma_block *block, lzma_allocator *allocator, +lzma_block_buffer_decode(lzma_block *block, const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) { Index: contrib/xz/src/liblzma/common/block_buffer_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/block_buffer_encoder.c +++ contrib/xz/src/liblzma/common/block_buffer_encoder.c @@ -10,6 +10,7 @@ // /////////////////////////////////////////////////////////////////////////////// +#include "block_buffer_encoder.h" #include "block_encoder.h" #include "filter_encoder.h" #include "lzma2_encoder.h" @@ -28,8 +29,8 @@ + LZMA_CHECK_SIZE_MAX + 3) & ~3) -static lzma_vli -lzma2_bound(lzma_vli uncompressed_size) +static uint64_t +lzma2_bound(uint64_t uncompressed_size) { // Prevent integer overflow in overhead calculation. if (uncompressed_size > COMPRESSED_SIZE_MAX) @@ -39,7 +40,7 @@ // uncompressed_size up to the next multiple of LZMA2_CHUNK_MAX, // multiply by the size of per-chunk header, and add one byte for // the end marker. - const lzma_vli overhead = ((uncompressed_size + LZMA2_CHUNK_MAX - 1) + const uint64_t overhead = ((uncompressed_size + LZMA2_CHUNK_MAX - 1) / LZMA2_CHUNK_MAX) * LZMA2_HEADER_UNCOMPRESSED + 1; @@ -51,30 +52,36 @@ } -extern LZMA_API(size_t) -lzma_block_buffer_bound(size_t uncompressed_size) +extern uint64_t +lzma_block_buffer_bound64(uint64_t uncompressed_size) { - // For now, if the data doesn't compress, we always use uncompressed - // chunks of LZMA2. In future we may use Subblock filter too, but - // but for simplicity we probably will still use the same bound - // calculation even though Subblock filter would have slightly less - // overhead. - lzma_vli lzma2_size = lzma2_bound(uncompressed_size); + // If the data doesn't compress, we always use uncompressed + // LZMA2 chunks. + uint64_t lzma2_size = lzma2_bound(uncompressed_size); if (lzma2_size == 0) return 0; // Take Block Padding into account. - lzma2_size = (lzma2_size + 3) & ~LZMA_VLI_C(3); + lzma2_size = (lzma2_size + 3) & ~UINT64_C(3); -#if SIZE_MAX < LZMA_VLI_MAX - // Catch the possible integer overflow on 32-bit systems. There's no - // overflow on 64-bit systems, because lzma2_bound() already takes + // No risk of integer overflow because lzma2_bound() already takes // into account the size of the headers in the Block. - if (SIZE_MAX - HEADERS_BOUND < lzma2_size) + return HEADERS_BOUND + lzma2_size; +} + + +extern LZMA_API(size_t) +lzma_block_buffer_bound(size_t uncompressed_size) +{ + uint64_t ret = lzma_block_buffer_bound64(uncompressed_size); + +#if SIZE_MAX < UINT64_MAX + // Catch the possible integer overflow on 32-bit systems. + if (ret > SIZE_MAX) return 0; #endif - return HEADERS_BOUND + lzma2_size; + return ret; } @@ -82,9 +89,6 @@ block_encode_uncompressed(lzma_block *block, const uint8_t *in, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) { - // TODO: Figure out if the last filter is LZMA2 or Subblock and use - // that filter to encode the uncompressed chunks. - // Use LZMA2 uncompressed chunks. We wouldn't need a dictionary at // all, but LZMA2 always requires a dictionary, so use the minimum // value to minimize memory usage of the decoder. @@ -160,16 +164,11 @@ static lzma_ret -block_encode_normal(lzma_block *block, lzma_allocator *allocator, +block_encode_normal(lzma_block *block, const lzma_allocator *allocator, const uint8_t *in, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) { // Find out the size of the Block Header. - block->compressed_size = lzma2_bound(in_size); - if (block->compressed_size == 0) - return LZMA_DATA_ERROR; - - block->uncompressed_size = in_size; return_if_error(lzma_block_header_size(block)); // Reserve space for the Block Header and skip it for now. @@ -221,10 +220,11 @@ } -extern LZMA_API(lzma_ret) -lzma_block_buffer_encode(lzma_block *block, lzma_allocator *allocator, +static lzma_ret +block_buffer_encode(lzma_block *block, const lzma_allocator *allocator, const uint8_t *in, size_t in_size, - uint8_t *out, size_t *out_pos, size_t out_size) + uint8_t *out, size_t *out_pos, size_t out_size, + bool try_to_compress) { // Validate the arguments. if (block == NULL || (in == NULL && in_size != 0) || out == NULL @@ -233,11 +233,11 @@ // The contents of the structure may depend on the version so // check the version before validating the contents of *block. - if (block->version != 0) + if (block->version > 1) return LZMA_OPTIONS_ERROR; if ((unsigned int)(block->check) > LZMA_CHECK_ID_MAX - || block->filters == NULL) + || (try_to_compress && block->filters == NULL)) return LZMA_PROG_ERROR; if (!lzma_check_is_supported(block->check)) @@ -258,9 +258,19 @@ out_size -= check_size; + // Initialize block->uncompressed_size and calculate the worst-case + // value for block->compressed_size. + block->uncompressed_size = in_size; + block->compressed_size = lzma2_bound(in_size); + if (block->compressed_size == 0) + return LZMA_DATA_ERROR; + // Do the actual compression. - const lzma_ret ret = block_encode_normal(block, allocator, - in, in_size, out, out_pos, out_size); + lzma_ret ret = LZMA_BUF_ERROR; + if (try_to_compress) + ret = block_encode_normal(block, allocator, + in, in_size, out, out_pos, out_size); + if (ret != LZMA_OK) { // If the error was something else than output buffer // becoming full, return the error now. @@ -303,3 +313,25 @@ return LZMA_OK; } + + +extern LZMA_API(lzma_ret) +lzma_block_buffer_encode(lzma_block *block, const lzma_allocator *allocator, + const uint8_t *in, size_t in_size, + uint8_t *out, size_t *out_pos, size_t out_size) +{ + return block_buffer_encode(block, allocator, + in, in_size, out, out_pos, out_size, true); +} + + +extern LZMA_API(lzma_ret) +lzma_block_uncomp_encode(lzma_block *block, + const uint8_t *in, size_t in_size, + uint8_t *out, size_t *out_pos, size_t out_size) +{ + // It won't allocate any memory from heap so no need + // for lzma_allocator. + return block_buffer_encode(block, NULL, + in, in_size, out, out_pos, out_size, false); +} Index: contrib/xz/src/liblzma/common/block_decoder.h =================================================================== --- contrib/xz/src/liblzma/common/block_decoder.h +++ contrib/xz/src/liblzma/common/block_decoder.h @@ -17,6 +17,6 @@ extern lzma_ret lzma_block_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, lzma_block *block); + const lzma_allocator *allocator, lzma_block *block); #endif Index: contrib/xz/src/liblzma/common/block_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/block_decoder.c +++ contrib/xz/src/liblzma/common/block_decoder.c @@ -45,6 +45,9 @@ /// Check of the uncompressed data lzma_check_state check; + + /// True if the integrity check won't be calculated and verified. + bool ignore_check; }; @@ -71,7 +74,7 @@ static lzma_ret -block_decode(lzma_coder *coder, lzma_allocator *allocator, +block_decode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -97,8 +100,9 @@ coder->block->uncompressed_size)) return LZMA_DATA_ERROR; - lzma_check_update(&coder->check, coder->block->check, - out + out_start, out_used); + if (!coder->ignore_check) + lzma_check_update(&coder->check, coder->block->check, + out + out_start, out_used); if (ret != LZMA_STREAM_END) return ret; @@ -140,7 +144,9 @@ if (coder->block->check == LZMA_CHECK_NONE) return LZMA_STREAM_END; - lzma_check_finish(&coder->check, coder->block->check); + if (!coder->ignore_check) + lzma_check_finish(&coder->check, coder->block->check); + coder->sequence = SEQ_CHECK; // Fall through @@ -155,7 +161,8 @@ // Validate the Check only if we support it. // coder->check.buffer may be uninitialized // when the Check ID is not supported. - if (lzma_check_is_supported(coder->block->check) + if (!coder->ignore_check + && lzma_check_is_supported(coder->block->check) && memcmp(coder->block->raw_check, coder->check.buffer.u8, check_size) != 0) @@ -170,7 +177,7 @@ static void -block_decoder_end(lzma_coder *coder, lzma_allocator *allocator) +block_decoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); lzma_free(coder, allocator); @@ -179,7 +186,7 @@ extern lzma_ret -lzma_block_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_block_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, lzma_block *block) { lzma_next_coder_init(&lzma_block_decoder_init, next, allocator); @@ -224,6 +231,9 @@ next->coder->check_pos = 0; lzma_check_init(&next->coder->check, block->check); + next->coder->ignore_check = block->version >= 1 + ? block->ignore_check : false; + // Initialize the filter chain. return lzma_raw_decoder_init(&next->coder->next, allocator, block->filters); Index: contrib/xz/src/liblzma/common/block_encoder.h =================================================================== --- contrib/xz/src/liblzma/common/block_encoder.h +++ contrib/xz/src/liblzma/common/block_encoder.h @@ -42,6 +42,6 @@ extern lzma_ret lzma_block_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, lzma_block *block); + const lzma_allocator *allocator, lzma_block *block); #endif Index: contrib/xz/src/liblzma/common/block_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/block_encoder.c +++ contrib/xz/src/liblzma/common/block_encoder.c @@ -45,7 +45,7 @@ static lzma_ret -block_encode(lzma_coder *coder, lzma_allocator *allocator, +block_encode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -134,7 +134,7 @@ static void -block_encoder_end(lzma_coder *coder, lzma_allocator *allocator) +block_encoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); lzma_free(coder, allocator); @@ -143,7 +143,7 @@ static lzma_ret -block_encoder_update(lzma_coder *coder, lzma_allocator *allocator, +block_encoder_update(lzma_coder *coder, const lzma_allocator *allocator, const lzma_filter *filters lzma_attribute((__unused__)), const lzma_filter *reversed_filters) { @@ -156,7 +156,7 @@ extern lzma_ret -lzma_block_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_block_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, lzma_block *block) { lzma_next_coder_init(&lzma_block_encoder_init, next, allocator); @@ -166,7 +166,7 @@ // The contents of the structure may depend on the version so // check the version first. - if (block->version != 0) + if (block->version > 1) return LZMA_OPTIONS_ERROR; // If the Check ID is not supported, we cannot calculate the check and Index: contrib/xz/src/liblzma/common/block_header_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/block_header_decoder.c +++ contrib/xz/src/liblzma/common/block_header_decoder.c @@ -15,7 +15,7 @@ static void -free_properties(lzma_block *block, lzma_allocator *allocator) +free_properties(lzma_block *block, const lzma_allocator *allocator) { // Free allocated filter options. The last array member is not // touched after the initialization in the beginning of @@ -32,7 +32,7 @@ extern LZMA_API(lzma_ret) lzma_block_header_decode(lzma_block *block, - lzma_allocator *allocator, const uint8_t *in) + const lzma_allocator *allocator, const uint8_t *in) { // NOTE: We consider the header to be corrupt not only when the // CRC32 doesn't match, but also when variable-length integers @@ -46,8 +46,16 @@ block->filters[i].options = NULL; } - // Always zero for now. - block->version = 0; + // Versions 0 and 1 are supported. If a newer version was specified, + // we need to downgrade it. + if (block->version > 1) + block->version = 1; + + // This isn't a Block Header option, but since the decompressor will + // read it if version >= 1, it's better to initialize it here than + // to expect the caller to do it since in almost all cases this + // should be false. + block->ignore_check = false; // Validate Block Header Size and Check type. The caller must have // already set these, so it is a programming error if this test fails. Index: contrib/xz/src/liblzma/common/block_header_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/block_header_encoder.c +++ contrib/xz/src/liblzma/common/block_header_encoder.c @@ -17,7 +17,7 @@ extern LZMA_API(lzma_ret) lzma_block_header_size(lzma_block *block) { - if (block->version != 0) + if (block->version > 1) return LZMA_OPTIONS_ERROR; // Block Header Size + Block Flags + CRC32. Index: contrib/xz/src/liblzma/common/block_util.c =================================================================== --- contrib/xz/src/liblzma/common/block_util.c +++ contrib/xz/src/liblzma/common/block_util.c @@ -51,7 +51,7 @@ // NOTE: This function is used for validation too, so it is // essential that these checks are always done even if // Compressed Size is unknown. - if (block == NULL || block->version != 0 + if (block == NULL || block->version > 1 || block->header_size < LZMA_BLOCK_HEADER_SIZE_MIN || block->header_size > LZMA_BLOCK_HEADER_SIZE_MAX || (block->header_size & 3) Index: contrib/xz/src/liblzma/common/common.h =================================================================== --- contrib/xz/src/liblzma/common/common.h +++ contrib/xz/src/liblzma/common/common.h @@ -49,6 +49,13 @@ #define LZMA_BUFFER_SIZE 4096 +/// Maximum number of worker threads within one multithreaded component. +/// The limit exists solely to make it simpler to prevent integer overflows +/// when allocating structures etc. This should be big enough for now... +/// the code won't scale anywhere close to this number anyway. +#define LZMA_THREADS_MAX 16384 + + /// Starting value for memory usage estimates. Instead of calculating size /// of _every_ structure and taking into account malloc() overhead etc., we /// add a base size to all memory usage estimates. It's not very accurate @@ -66,9 +73,21 @@ ( LZMA_TELL_NO_CHECK \ | LZMA_TELL_UNSUPPORTED_CHECK \ | LZMA_TELL_ANY_CHECK \ + | LZMA_IGNORE_CHECK \ | LZMA_CONCATENATED ) +/// Largest valid lzma_action value as unsigned integer. +#define LZMA_ACTION_MAX ((unsigned int)(LZMA_FULL_BARRIER)) + + +/// Special return value (lzma_ret) to indicate that a timeout was reached +/// and lzma_code() must not return LZMA_BUF_ERROR. This is converted to +/// LZMA_OK in lzma_code(). This is not in the lzma_ret enumeration because +/// there's no need to have it in the public API. +#define LZMA_TIMED_OUT 32 + + /// Type of encoder/decoder specific data; the actual structure is defined /// differently in different coders. typedef struct lzma_coder_s lzma_coder; @@ -80,7 +99,7 @@ /// Type of a function used to initialize a filter encoder or decoder typedef lzma_ret (*lzma_init_function)( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters); /// Type of a function to do some kind of coding work (filters, Stream, @@ -88,7 +107,7 @@ /// input and output buffers, but for simplicity they still use this same /// function prototype. typedef lzma_ret (*lzma_code_function)( - lzma_coder *coder, lzma_allocator *allocator, + lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, @@ -96,7 +115,7 @@ /// Type of a function to free the memory allocated for the coder typedef void (*lzma_end_function)( - lzma_coder *coder, lzma_allocator *allocator); + lzma_coder *coder, const lzma_allocator *allocator); /// Raw coder validates and converts an array of lzma_filter structures to @@ -139,6 +158,11 @@ /// lzma_next_coder.coder. lzma_end_function end; + /// Pointer to a function to get progress information. If this is NULL, + /// lzma_stream.total_in and .total_out are used instead. + void (*get_progress)(lzma_coder *coder, + uint64_t *progress_in, uint64_t *progress_out); + /// Pointer to function to return the type of the integrity check. /// Most coders won't support this. lzma_check (*get_check)(const lzma_coder *coder); @@ -150,7 +174,7 @@ /// Update the filter-specific options or the whole filter chain /// in the encoder. - lzma_ret (*update)(lzma_coder *coder, lzma_allocator *allocator, + lzma_ret (*update)(lzma_coder *coder, const lzma_allocator *allocator, const lzma_filter *filters, const lzma_filter *reversed_filters); }; @@ -164,6 +188,7 @@ .id = LZMA_VLI_UNKNOWN, \ .code = NULL, \ .end = NULL, \ + .get_progress = NULL, \ .get_check = NULL, \ .memconfig = NULL, \ .update = NULL, \ @@ -185,6 +210,7 @@ ISEQ_SYNC_FLUSH, ISEQ_FULL_FLUSH, ISEQ_FINISH, + ISEQ_FULL_BARRIER, ISEQ_END, ISEQ_ERROR, } sequence; @@ -195,7 +221,7 @@ size_t avail_in; /// Indicates which lzma_action values are allowed by next.code. - bool supported_actions[4]; + bool supported_actions[LZMA_ACTION_MAX + 1]; /// If true, lzma_code will return LZMA_BUF_ERROR if no progress was /// made (no input consumed and no output produced by next.code). @@ -204,11 +230,17 @@ /// Allocates memory -extern void *lzma_alloc(size_t size, lzma_allocator *allocator) +extern void *lzma_alloc(size_t size, const lzma_allocator *allocator) lzma_attribute((__malloc__)) lzma_attr_alloc_size(1); +/// Allocates memory and zeroes it (like calloc()). This can be faster +/// than lzma_alloc() + memzero() while being backward compatible with +/// custom allocators. +extern void * lzma_attribute((__malloc__)) lzma_attr_alloc_size(1) + lzma_alloc_zero(size_t size, const lzma_allocator *allocator); + /// Frees memory -extern void lzma_free(void *ptr, lzma_allocator *allocator); +extern void lzma_free(void *ptr, const lzma_allocator *allocator); /// Allocates strm->internal if it is NULL, and initializes *strm and @@ -220,17 +252,19 @@ /// than the filter being initialized now. This way the actual filter /// initialization functions don't need to use lzma_next_coder_init macro. extern lzma_ret lzma_next_filter_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); /// Update the next filter in the chain, if any. This checks that /// the application is not trying to change the Filter IDs. extern lzma_ret lzma_next_filter_update( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *reversed_filters); /// Frees the memory allocated for next->coder either using next->end or, /// if next->end is NULL, using lzma_free. -extern void lzma_next_end(lzma_next_coder *next, lzma_allocator *allocator); +extern void lzma_next_end(lzma_next_coder *next, + const lzma_allocator *allocator); /// Copy as much data as possible from in[] to out[] and update *in_pos Index: contrib/xz/src/liblzma/common/common.c =================================================================== --- contrib/xz/src/liblzma/common/common.c +++ contrib/xz/src/liblzma/common/common.c @@ -36,7 +36,7 @@ /////////////////////// extern void * lzma_attribute((__malloc__)) lzma_attr_alloc_size(1) -lzma_alloc(size_t size, lzma_allocator *allocator) +lzma_alloc(size_t size, const lzma_allocator *allocator) { // Some malloc() variants return NULL if called with size == 0. if (size == 0) @@ -53,8 +53,29 @@ } +extern void * lzma_attribute((__malloc__)) lzma_attr_alloc_size(1) +lzma_alloc_zero(size_t size, const lzma_allocator *allocator) +{ + // Some calloc() variants return NULL if called with size == 0. + if (size == 0) + size = 1; + + void *ptr; + + if (allocator != NULL && allocator->alloc != NULL) { + ptr = allocator->alloc(allocator->opaque, 1, size); + if (ptr != NULL) + memzero(ptr, size); + } else { + ptr = calloc(1, size); + } + + return ptr; +} + + extern void -lzma_free(void *ptr, lzma_allocator *allocator) +lzma_free(void *ptr, const lzma_allocator *allocator) { if (allocator != NULL && allocator->free != NULL) allocator->free(allocator->opaque, ptr); @@ -88,7 +109,7 @@ extern lzma_ret -lzma_next_filter_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_next_filter_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters) { lzma_next_coder_init(filters[0].init, next, allocator); @@ -99,7 +120,7 @@ extern lzma_ret -lzma_next_filter_update(lzma_next_coder *next, lzma_allocator *allocator, +lzma_next_filter_update(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *reversed_filters) { // Check that the application isn't trying to change the Filter ID. @@ -117,7 +138,7 @@ extern void -lzma_next_end(lzma_next_coder *next, lzma_allocator *allocator) +lzma_next_end(lzma_next_coder *next, const lzma_allocator *allocator) { if (next->init != (uintptr_t)(NULL)) { // To avoid tiny end functions that simply call @@ -156,10 +177,8 @@ strm->internal->next = LZMA_NEXT_CODER_INIT; } - strm->internal->supported_actions[LZMA_RUN] = false; - strm->internal->supported_actions[LZMA_SYNC_FLUSH] = false; - strm->internal->supported_actions[LZMA_FULL_FLUSH] = false; - strm->internal->supported_actions[LZMA_FINISH] = false; + memzero(strm->internal->supported_actions, + sizeof(strm->internal->supported_actions)); strm->internal->sequence = ISEQ_RUN; strm->internal->allow_buf_error = false; @@ -178,7 +197,7 @@ || (strm->next_out == NULL && strm->avail_out != 0) || strm->internal == NULL || strm->internal->next.code == NULL - || (unsigned int)(action) > LZMA_FINISH + || (unsigned int)(action) > LZMA_ACTION_MAX || !strm->internal->supported_actions[action]) return LZMA_PROG_ERROR; @@ -213,6 +232,10 @@ case LZMA_FINISH: strm->internal->sequence = ISEQ_FINISH; break; + + case LZMA_FULL_BARRIER: + strm->internal->sequence = ISEQ_FULL_BARRIER; + break; } break; @@ -240,6 +263,13 @@ break; + case ISEQ_FULL_BARRIER: + if (action != LZMA_FULL_BARRIER + || strm->internal->avail_in != strm->avail_in) + return LZMA_PROG_ERROR; + + break; + case ISEQ_END: return LZMA_STREAM_END; @@ -265,7 +295,9 @@ strm->internal->avail_in = strm->avail_in; - switch (ret) { + // Cast is needed to silence a warning about LZMA_TIMED_OUT, which + // isn't part of lzma_ret enumeration. + switch ((unsigned int)(ret)) { case LZMA_OK: // Don't return LZMA_BUF_ERROR when it happens the first time. // This is to avoid returning LZMA_BUF_ERROR when avail_out @@ -281,9 +313,16 @@ } break; + case LZMA_TIMED_OUT: + strm->internal->allow_buf_error = false; + ret = LZMA_OK; + break; + case LZMA_STREAM_END: if (strm->internal->sequence == ISEQ_SYNC_FLUSH - || strm->internal->sequence == ISEQ_FULL_FLUSH) + || strm->internal->sequence == ISEQ_FULL_FLUSH + || strm->internal->sequence + == ISEQ_FULL_BARRIER) strm->internal->sequence = ISEQ_RUN; else strm->internal->sequence = ISEQ_END; @@ -323,6 +362,22 @@ } +extern LZMA_API(void) +lzma_get_progress(lzma_stream *strm, + uint64_t *progress_in, uint64_t *progress_out) +{ + if (strm->internal->next.get_progress != NULL) { + strm->internal->next.get_progress(strm->internal->next.coder, + progress_in, progress_out); + } else { + *progress_in = strm->total_in; + *progress_out = strm->total_out; + } + + return; +} + + extern LZMA_API(lzma_check) lzma_get_check(const lzma_stream *strm) { Index: contrib/xz/src/liblzma/common/easy_buffer_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/easy_buffer_encoder.c +++ contrib/xz/src/liblzma/common/easy_buffer_encoder.c @@ -15,8 +15,8 @@ extern LZMA_API(lzma_ret) lzma_easy_buffer_encode(uint32_t preset, lzma_check check, - lzma_allocator *allocator, const uint8_t *in, size_t in_size, - uint8_t *out, size_t *out_pos, size_t out_size) + const lzma_allocator *allocator, const uint8_t *in, + size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) { lzma_options_easy opt_easy; if (lzma_easy_preset(&opt_easy, preset)) Index: contrib/xz/src/liblzma/common/easy_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/easy_encoder.c +++ contrib/xz/src/liblzma/common/easy_encoder.c @@ -11,7 +11,6 @@ /////////////////////////////////////////////////////////////////////////////// #include "easy_preset.h" -#include "stream_encoder.h" extern LZMA_API(lzma_ret) Index: contrib/xz/src/liblzma/common/filter_buffer_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/filter_buffer_decoder.c +++ contrib/xz/src/liblzma/common/filter_buffer_decoder.c @@ -14,7 +14,8 @@ extern LZMA_API(lzma_ret) -lzma_raw_buffer_decode(const lzma_filter *filters, lzma_allocator *allocator, +lzma_raw_buffer_decode( + const lzma_filter *filters, const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) { Index: contrib/xz/src/liblzma/common/filter_buffer_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/filter_buffer_encoder.c +++ contrib/xz/src/liblzma/common/filter_buffer_encoder.c @@ -14,9 +14,10 @@ extern LZMA_API(lzma_ret) -lzma_raw_buffer_encode(const lzma_filter *filters, lzma_allocator *allocator, - const uint8_t *in, size_t in_size, uint8_t *out, - size_t *out_pos, size_t out_size) +lzma_raw_buffer_encode( + const lzma_filter *filters, const lzma_allocator *allocator, + const uint8_t *in, size_t in_size, + uint8_t *out, size_t *out_pos, size_t out_size) { // Validate what isn't validated later in filter_common.c. if ((in == NULL && in_size != 0) || out == NULL Index: contrib/xz/src/liblzma/common/filter_common.h =================================================================== --- contrib/xz/src/liblzma/common/filter_common.h +++ contrib/xz/src/liblzma/common/filter_common.h @@ -36,7 +36,7 @@ extern lzma_ret lzma_raw_coder_init( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *filters, lzma_filter_find coder_find, bool is_encoder); Index: contrib/xz/src/liblzma/common/filter_common.c =================================================================== --- contrib/xz/src/liblzma/common/filter_common.c +++ contrib/xz/src/liblzma/common/filter_common.c @@ -123,7 +123,7 @@ extern LZMA_API(lzma_ret) lzma_filters_copy(const lzma_filter *src, lzma_filter *dest, - lzma_allocator *allocator) + const lzma_allocator *allocator) { if (src == NULL || dest == NULL) return LZMA_PROG_ERROR; @@ -239,7 +239,7 @@ extern lzma_ret -lzma_raw_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_raw_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *options, lzma_filter_find coder_find, bool is_encoder) { Index: contrib/xz/src/liblzma/common/filter_decoder.h =================================================================== --- contrib/xz/src/liblzma/common/filter_decoder.h +++ contrib/xz/src/liblzma/common/filter_decoder.h @@ -17,7 +17,7 @@ extern lzma_ret lzma_raw_decoder_init( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *options); #endif Index: contrib/xz/src/liblzma/common/filter_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/filter_decoder.c +++ contrib/xz/src/liblzma/common/filter_decoder.c @@ -35,7 +35,8 @@ /// \return - LZMA_OK: Properties decoded successfully. /// - LZMA_OPTIONS_ERROR: Unsupported properties /// - LZMA_MEM_ERROR: Memory allocation failed. - lzma_ret (*props_decode)(void **options, lzma_allocator *allocator, + lzma_ret (*props_decode)( + void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size); } lzma_filter_decoder; @@ -136,7 +137,7 @@ extern lzma_ret -lzma_raw_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_raw_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *options) { return lzma_raw_coder_init(next, allocator, @@ -165,7 +166,7 @@ extern LZMA_API(lzma_ret) -lzma_properties_decode(lzma_filter *filter, lzma_allocator *allocator, +lzma_properties_decode(lzma_filter *filter, const lzma_allocator *allocator, const uint8_t *props, size_t props_size) { // Make it always NULL so that the caller can always safely free() it. Index: contrib/xz/src/liblzma/common/filter_encoder.h =================================================================== --- contrib/xz/src/liblzma/common/filter_encoder.h +++ contrib/xz/src/liblzma/common/filter_encoder.h @@ -16,12 +16,12 @@ #include "common.h" -// FIXME: Might become a part of the public API once finished. -// extern lzma_vli lzma_chunk_size(const lzma_filter *filters); +// FIXME: Might become a part of the public API. +extern uint64_t lzma_mt_block_size(const lzma_filter *filters); extern lzma_ret lzma_raw_encoder_init( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *filters); #endif Index: contrib/xz/src/liblzma/common/filter_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/filter_encoder.c +++ contrib/xz/src/liblzma/common/filter_encoder.c @@ -30,11 +30,11 @@ /// invalid, UINT64_MAX is returned. uint64_t (*memusage)(const void *options); - /// Calculates the minimum sane size for Blocks (or other types of - /// chunks) to which the input data can be split to make - /// multithreaded encoding possible. If this is NULL, it is assumed - /// that the encoder is fast enough with single thread. - lzma_vli (*chunk_size)(const void *options); + /// Calculates the recommended Uncompressed Size for .xz Blocks to + /// which the input data can be split to make multithreaded + /// encoding possible. If this is NULL, it is assumed that + /// the encoder is fast enough with single thread. + uint64_t (*block_size)(const void *options); /// Tells the size of the Filter Properties field. If options are /// invalid, UINT32_MAX is returned. If this is NULL, props_size_fixed @@ -59,7 +59,7 @@ .id = LZMA_FILTER_LZMA1, .init = &lzma_lzma_encoder_init, .memusage = &lzma_lzma_encoder_memusage, - .chunk_size = NULL, // FIXME + .block_size = NULL, // FIXME .props_size_get = NULL, .props_size_fixed = 5, .props_encode = &lzma_lzma_props_encode, @@ -70,7 +70,7 @@ .id = LZMA_FILTER_LZMA2, .init = &lzma_lzma2_encoder_init, .memusage = &lzma_lzma2_encoder_memusage, - .chunk_size = NULL, // FIXME + .block_size = &lzma_lzma2_block_size, // FIXME .props_size_get = NULL, .props_size_fixed = 1, .props_encode = &lzma_lzma2_props_encode, @@ -81,7 +81,7 @@ .id = LZMA_FILTER_X86, .init = &lzma_simple_x86_encoder_init, .memusage = NULL, - .chunk_size = NULL, + .block_size = NULL, .props_size_get = &lzma_simple_props_size, .props_encode = &lzma_simple_props_encode, }, @@ -91,7 +91,7 @@ .id = LZMA_FILTER_POWERPC, .init = &lzma_simple_powerpc_encoder_init, .memusage = NULL, - .chunk_size = NULL, + .block_size = NULL, .props_size_get = &lzma_simple_props_size, .props_encode = &lzma_simple_props_encode, }, @@ -101,7 +101,7 @@ .id = LZMA_FILTER_IA64, .init = &lzma_simple_ia64_encoder_init, .memusage = NULL, - .chunk_size = NULL, + .block_size = NULL, .props_size_get = &lzma_simple_props_size, .props_encode = &lzma_simple_props_encode, }, @@ -111,7 +111,7 @@ .id = LZMA_FILTER_ARM, .init = &lzma_simple_arm_encoder_init, .memusage = NULL, - .chunk_size = NULL, + .block_size = NULL, .props_size_get = &lzma_simple_props_size, .props_encode = &lzma_simple_props_encode, }, @@ -121,7 +121,7 @@ .id = LZMA_FILTER_ARMTHUMB, .init = &lzma_simple_armthumb_encoder_init, .memusage = NULL, - .chunk_size = NULL, + .block_size = NULL, .props_size_get = &lzma_simple_props_size, .props_encode = &lzma_simple_props_encode, }, @@ -131,7 +131,7 @@ .id = LZMA_FILTER_SPARC, .init = &lzma_simple_sparc_encoder_init, .memusage = NULL, - .chunk_size = NULL, + .block_size = NULL, .props_size_get = &lzma_simple_props_size, .props_encode = &lzma_simple_props_encode, }, @@ -141,7 +141,7 @@ .id = LZMA_FILTER_DELTA, .init = &lzma_delta_encoder_init, .memusage = &lzma_delta_coder_memusage, - .chunk_size = NULL, + .block_size = NULL, .props_size_get = NULL, .props_size_fixed = 1, .props_encode = &lzma_delta_props_encode, @@ -196,7 +196,7 @@ extern lzma_ret -lzma_raw_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_raw_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *options) { return lzma_raw_coder_init(next, allocator, @@ -226,20 +226,19 @@ } -/* -extern LZMA_API(lzma_vli) -lzma_chunk_size(const lzma_filter *filters) +extern uint64_t +lzma_mt_block_size(const lzma_filter *filters) { - lzma_vli max = 0; + uint64_t max = 0; for (size_t i = 0; filters[i].id != LZMA_VLI_UNKNOWN; ++i) { const lzma_filter_encoder *const fe = encoder_find(filters[i].id); - if (fe->chunk_size != NULL) { - const lzma_vli size - = fe->chunk_size(filters[i].options); - if (size == LZMA_VLI_UNKNOWN) - return LZMA_VLI_UNKNOWN; + if (fe->block_size != NULL) { + const uint64_t size + = fe->block_size(filters[i].options); + if (size == 0) + return 0; if (size > max) max = size; @@ -248,7 +247,6 @@ return max; } -*/ extern LZMA_API(lzma_ret) Index: contrib/xz/src/liblzma/common/filter_flags_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/filter_flags_decoder.c +++ contrib/xz/src/liblzma/common/filter_flags_decoder.c @@ -15,7 +15,7 @@ extern LZMA_API(lzma_ret) lzma_filter_flags_decode( - lzma_filter *filter, lzma_allocator *allocator, + lzma_filter *filter, const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size) { // Set the pointer to NULL so the caller can always safely free it. Index: contrib/xz/src/liblzma/common/index.c =================================================================== --- contrib/xz/src/liblzma/common/index.c +++ contrib/xz/src/liblzma/common/index.c @@ -191,8 +191,8 @@ /// Helper for index_tree_end() static void -index_tree_node_end(index_tree_node *node, lzma_allocator *allocator, - void (*free_func)(void *node, lzma_allocator *allocator)) +index_tree_node_end(index_tree_node *node, const lzma_allocator *allocator, + void (*free_func)(void *node, const lzma_allocator *allocator)) { // The tree won't ever be very huge, so recursion should be fine. // 20 levels in the tree is likely quite a lot already in practice. @@ -215,8 +215,8 @@ /// to free the Record groups from each index_stream before freeing /// the index_stream itself. static void -index_tree_end(index_tree *tree, lzma_allocator *allocator, - void (*free_func)(void *node, lzma_allocator *allocator)) +index_tree_end(index_tree *tree, const lzma_allocator *allocator, + void (*free_func)(void *node, const lzma_allocator *allocator)) { if (tree->root != NULL) index_tree_node_end(tree->root, allocator, free_func); @@ -340,7 +340,7 @@ static index_stream * index_stream_init(lzma_vli compressed_base, lzma_vli uncompressed_base, lzma_vli stream_number, lzma_vli block_number_base, - lzma_allocator *allocator) + const lzma_allocator *allocator) { index_stream *s = lzma_alloc(sizeof(index_stream), allocator); if (s == NULL) @@ -368,7 +368,7 @@ /// Free the memory allocated for a Stream and its Record groups. static void -index_stream_end(void *node, lzma_allocator *allocator) +index_stream_end(void *node, const lzma_allocator *allocator) { index_stream *s = node; index_tree_end(&s->groups, allocator, NULL); @@ -377,7 +377,7 @@ static lzma_index * -index_init_plain(lzma_allocator *allocator) +index_init_plain(const lzma_allocator *allocator) { lzma_index *i = lzma_alloc(sizeof(lzma_index), allocator); if (i != NULL) { @@ -395,7 +395,7 @@ extern LZMA_API(lzma_index *) -lzma_index_init(lzma_allocator *allocator) +lzma_index_init(const lzma_allocator *allocator) { lzma_index *i = index_init_plain(allocator); if (i == NULL) @@ -414,7 +414,7 @@ extern LZMA_API(void) -lzma_index_end(lzma_index *i, lzma_allocator *allocator) +lzma_index_end(lzma_index *i, const lzma_allocator *allocator) { // NOTE: If you modify this function, check also the bottom // of lzma_index_cat(). @@ -637,7 +637,7 @@ extern LZMA_API(lzma_ret) -lzma_index_append(lzma_index *i, lzma_allocator *allocator, +lzma_index_append(lzma_index *i, const lzma_allocator *allocator, lzma_vli unpadded_size, lzma_vli uncompressed_size) { // Validate. @@ -765,7 +765,7 @@ extern LZMA_API(lzma_ret) lzma_index_cat(lzma_index *restrict dest, lzma_index *restrict src, - lzma_allocator *allocator) + const lzma_allocator *allocator) { const lzma_vli dest_file_size = lzma_index_file_size(dest); @@ -859,7 +859,7 @@ /// Duplicate an index_stream. static index_stream * -index_dup_stream(const index_stream *src, lzma_allocator *allocator) +index_dup_stream(const index_stream *src, const lzma_allocator *allocator) { // Catch a somewhat theoretical integer overflow. if (src->record_count > PREALLOC_MAX) @@ -919,7 +919,7 @@ extern LZMA_API(lzma_index *) -lzma_index_dup(const lzma_index *src, lzma_allocator *allocator) +lzma_index_dup(const lzma_index *src, const lzma_allocator *allocator) { // Allocate the base structure (no initial Stream). lzma_index *dest = index_init_plain(allocator); Index: contrib/xz/src/liblzma/common/index_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/index_decoder.c +++ contrib/xz/src/liblzma/common/index_decoder.c @@ -54,7 +54,7 @@ static lzma_ret -index_decode(lzma_coder *coder, lzma_allocator *allocator, +index_decode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out lzma_attribute((__unused__)), @@ -207,7 +207,7 @@ static void -index_decoder_end(lzma_coder *coder, lzma_allocator *allocator) +index_decoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_index_end(coder->index, allocator); lzma_free(coder, allocator); @@ -234,7 +234,7 @@ static lzma_ret -index_decoder_reset(lzma_coder *coder, lzma_allocator *allocator, +index_decoder_reset(lzma_coder *coder, const lzma_allocator *allocator, lzma_index **i, uint64_t memlimit) { // Remember the pointer given by the application. We will set it @@ -261,7 +261,7 @@ static lzma_ret -index_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +index_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, lzma_index **i, uint64_t memlimit) { lzma_next_coder_init(&index_decoder_init, next, allocator); @@ -299,8 +299,8 @@ extern LZMA_API(lzma_ret) -lzma_index_buffer_decode( - lzma_index **i, uint64_t *memlimit, lzma_allocator *allocator, +lzma_index_buffer_decode(lzma_index **i, uint64_t *memlimit, + const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size) { // Sanity checks Index: contrib/xz/src/liblzma/common/index_encoder.h =================================================================== --- contrib/xz/src/liblzma/common/index_encoder.h +++ contrib/xz/src/liblzma/common/index_encoder.h @@ -17,7 +17,7 @@ extern lzma_ret lzma_index_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_index *i); + const lzma_allocator *allocator, const lzma_index *i); #endif Index: contrib/xz/src/liblzma/common/index_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/index_encoder.c +++ contrib/xz/src/liblzma/common/index_encoder.c @@ -42,7 +42,7 @@ static lzma_ret index_encode(lzma_coder *coder, - lzma_allocator *allocator lzma_attribute((__unused__)), + const lzma_allocator *allocator lzma_attribute((__unused__)), const uint8_t *restrict in lzma_attribute((__unused__)), size_t *restrict in_pos lzma_attribute((__unused__)), size_t in_size lzma_attribute((__unused__)), @@ -159,7 +159,7 @@ static void -index_encoder_end(lzma_coder *coder, lzma_allocator *allocator) +index_encoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_free(coder, allocator); return; @@ -181,7 +181,7 @@ extern lzma_ret -lzma_index_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_index_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_index *i) { lzma_next_coder_init(&lzma_index_encoder_init, next, allocator); Index: contrib/xz/src/liblzma/common/index_hash.c =================================================================== --- contrib/xz/src/liblzma/common/index_hash.c +++ contrib/xz/src/liblzma/common/index_hash.c @@ -70,7 +70,8 @@ extern LZMA_API(lzma_index_hash *) -lzma_index_hash_init(lzma_index_hash *index_hash, lzma_allocator *allocator) +lzma_index_hash_init(lzma_index_hash *index_hash, + const lzma_allocator *allocator) { if (index_hash == NULL) { index_hash = lzma_alloc(sizeof(lzma_index_hash), allocator); @@ -101,7 +102,8 @@ extern LZMA_API(void) -lzma_index_hash_end(lzma_index_hash *index_hash, lzma_allocator *allocator) +lzma_index_hash_end(lzma_index_hash *index_hash, + const lzma_allocator *allocator) { lzma_free(index_hash, allocator); return; Index: contrib/xz/src/liblzma/common/stream_buffer_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/stream_buffer_decoder.c +++ contrib/xz/src/liblzma/common/stream_buffer_decoder.c @@ -15,7 +15,7 @@ extern LZMA_API(lzma_ret) lzma_stream_buffer_decode(uint64_t *memlimit, uint32_t flags, - lzma_allocator *allocator, + const lzma_allocator *allocator, const uint8_t *in, size_t *in_pos, size_t in_size, uint8_t *out, size_t *out_pos, size_t out_size) { Index: contrib/xz/src/liblzma/common/stream_buffer_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/stream_buffer_encoder.c +++ contrib/xz/src/liblzma/common/stream_buffer_encoder.c @@ -42,7 +42,8 @@ extern LZMA_API(lzma_ret) lzma_stream_buffer_encode(lzma_filter *filters, lzma_check check, - lzma_allocator *allocator, const uint8_t *in, size_t in_size, + const lzma_allocator *allocator, + const uint8_t *in, size_t in_size, uint8_t *out, size_t *out_pos_ptr, size_t out_size) { // Sanity checks Index: contrib/xz/src/liblzma/common/stream_decoder.h =================================================================== --- contrib/xz/src/liblzma/common/stream_decoder.h +++ contrib/xz/src/liblzma/common/stream_decoder.h @@ -15,7 +15,8 @@ #include "common.h" -extern lzma_ret lzma_stream_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, uint64_t memlimit, uint32_t flags); +extern lzma_ret lzma_stream_decoder_init( + lzma_next_coder *next, const lzma_allocator *allocator, + uint64_t memlimit, uint32_t flags); #endif Index: contrib/xz/src/liblzma/common/stream_decoder.c =================================================================== --- contrib/xz/src/liblzma/common/stream_decoder.c +++ contrib/xz/src/liblzma/common/stream_decoder.c @@ -57,6 +57,10 @@ /// If true, LZMA_GET_CHECK is returned after decoding Stream Header. bool tell_any_check; + /// If true, we will tell the Block decoder to skip calculating + /// and verifying the integrity check. + bool ignore_check; + /// If true, we will decode concatenated Streams that possibly have /// Stream Padding between or after them. LZMA_STREAM_END is returned /// once the application isn't giving us any new input, and we aren't @@ -80,7 +84,7 @@ static lzma_ret -stream_decoder_reset(lzma_coder *coder, lzma_allocator *allocator) +stream_decoder_reset(lzma_coder *coder, const lzma_allocator *allocator) { // Initialize the Index hash used to verify the Index. coder->index_hash = lzma_index_hash_init(coder->index_hash, allocator); @@ -96,7 +100,7 @@ static lzma_ret -stream_decode(lzma_coder *coder, lzma_allocator *allocator, +stream_decode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -182,8 +186,8 @@ coder->pos = 0; - // Version 0 is currently the only possible version. - coder->block_options.version = 0; + // Version 1 is needed to support the .ignore_check option. + coder->block_options.version = 1; // Set up a buffer to hold the filter chain. Block Header // decoder will initialize all members of this array so @@ -195,6 +199,11 @@ return_if_error(lzma_block_header_decode(&coder->block_options, allocator, coder->buffer)); + // If LZMA_IGNORE_CHECK was used, this flag needs to be set. + // It has to be set after lzma_block_header_decode() because + // it always resets this to false. + coder->block_options.ignore_check = coder->ignore_check; + // Check the memory usage limit. const uint64_t memusage = lzma_raw_decoder_memusage(filters); lzma_ret ret; @@ -366,7 +375,7 @@ static void -stream_decoder_end(lzma_coder *coder, lzma_allocator *allocator) +stream_decoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->block_decoder, allocator); lzma_index_hash_end(coder->index_hash, allocator); @@ -401,7 +410,8 @@ extern lzma_ret -lzma_stream_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_stream_decoder_init( + lzma_next_coder *next, const lzma_allocator *allocator, uint64_t memlimit, uint32_t flags) { lzma_next_coder_init(&lzma_stream_decoder_init, next, allocator); @@ -432,6 +442,7 @@ next->coder->tell_unsupported_check = (flags & LZMA_TELL_UNSUPPORTED_CHECK) != 0; next->coder->tell_any_check = (flags & LZMA_TELL_ANY_CHECK) != 0; + next->coder->ignore_check = (flags & LZMA_IGNORE_CHECK) != 0; next->coder->concatenated = (flags & LZMA_CONCATENATED) != 0; next->coder->first_stream = true; Index: contrib/xz/src/liblzma/common/stream_encoder.h =================================================================== --- contrib/xz/src/liblzma/common/stream_encoder.h +++ /dev/null @@ -1,23 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////// -// -/// \file stream_encoder.h -/// \brief Encodes .xz Streams -// -// Author: Lasse Collin -// -// This file has been put into the public domain. -// You can do whatever you want with this file. -// -/////////////////////////////////////////////////////////////////////////////// - -#ifndef LZMA_STREAM_ENCODER_H -#define LZMA_STREAM_ENCODER_H - -#include "common.h" - - -extern lzma_ret lzma_stream_encoder_init( - lzma_next_coder *next, lzma_allocator *allocator, - const lzma_filter *filters, lzma_check check); - -#endif Index: contrib/xz/src/liblzma/common/stream_encoder.c =================================================================== --- contrib/xz/src/liblzma/common/stream_encoder.c +++ contrib/xz/src/liblzma/common/stream_encoder.c @@ -10,7 +10,6 @@ // /////////////////////////////////////////////////////////////////////////////// -#include "stream_encoder.h" #include "block_encoder.h" #include "index_encoder.h" @@ -26,7 +25,7 @@ } sequence; /// True if Block encoder has been initialized by - /// lzma_stream_encoder_init() or stream_encoder_update() + /// stream_encoder_init() or stream_encoder_update() /// and thus doesn't need to be initialized in stream_encode(). bool block_encoder_is_initialized; @@ -60,7 +59,7 @@ static lzma_ret -block_encoder_init(lzma_coder *coder, lzma_allocator *allocator) +block_encoder_init(lzma_coder *coder, const lzma_allocator *allocator) { // Prepare the Block options. Even though Block encoder doesn't need // compressed_size, uncompressed_size, and header_size to be @@ -79,7 +78,7 @@ static lzma_ret -stream_encode(lzma_coder *coder, lzma_allocator *allocator, +stream_encode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -126,7 +125,7 @@ } // Initialize the Block encoder unless it was already - // initialized by lzma_stream_encoder_init() or + // initialized by stream_encoder_init() or // stream_encoder_update(). if (!coder->block_encoder_is_initialized) return_if_error(block_encoder_init(coder, allocator)); @@ -147,11 +146,12 @@ } case SEQ_BLOCK_ENCODE: { - static const lzma_action convert[4] = { + static const lzma_action convert[LZMA_ACTION_MAX + 1] = { LZMA_RUN, LZMA_SYNC_FLUSH, LZMA_FINISH, LZMA_FINISH, + LZMA_FINISH, }; const lzma_ret ret = coder->block_encoder.code( @@ -209,7 +209,7 @@ static void -stream_encoder_end(lzma_coder *coder, lzma_allocator *allocator) +stream_encoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->block_encoder, allocator); lzma_next_end(&coder->index_encoder, allocator); @@ -224,7 +224,7 @@ static lzma_ret -stream_encoder_update(lzma_coder *coder, lzma_allocator *allocator, +stream_encoder_update(lzma_coder *coder, const lzma_allocator *allocator, const lzma_filter *filters, const lzma_filter *reversed_filters) { @@ -262,11 +262,11 @@ } -extern lzma_ret -lzma_stream_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +static lzma_ret +stream_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter *filters, lzma_check check) { - lzma_next_coder_init(&lzma_stream_encoder_init, next, allocator); + lzma_next_coder_init(&stream_encoder_init, next, allocator); if (filters == NULL) return LZMA_PROG_ERROR; @@ -320,11 +320,12 @@ lzma_stream_encoder(lzma_stream *strm, const lzma_filter *filters, lzma_check check) { - lzma_next_strm_init(lzma_stream_encoder_init, strm, filters, check); + lzma_next_strm_init(stream_encoder_init, strm, filters, check); strm->internal->supported_actions[LZMA_RUN] = true; strm->internal->supported_actions[LZMA_SYNC_FLUSH] = true; strm->internal->supported_actions[LZMA_FULL_FLUSH] = true; + strm->internal->supported_actions[LZMA_FULL_BARRIER] = true; strm->internal->supported_actions[LZMA_FINISH] = true; return LZMA_OK; Index: contrib/xz/src/liblzma/delta/delta_common.c =================================================================== --- contrib/xz/src/liblzma/delta/delta_common.c +++ contrib/xz/src/liblzma/delta/delta_common.c @@ -15,7 +15,7 @@ static void -delta_coder_end(lzma_coder *coder, lzma_allocator *allocator) +delta_coder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); lzma_free(coder, allocator); @@ -24,7 +24,7 @@ extern lzma_ret -lzma_delta_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_delta_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters) { // Allocate memory for the decoder if needed. Index: contrib/xz/src/liblzma/delta/delta_decoder.h =================================================================== --- contrib/xz/src/liblzma/delta/delta_decoder.h +++ contrib/xz/src/liblzma/delta/delta_decoder.h @@ -16,10 +16,11 @@ #include "delta_common.h" extern lzma_ret lzma_delta_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_delta_props_decode( - void **options, lzma_allocator *allocator, + void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size); #endif Index: contrib/xz/src/liblzma/delta/delta_decoder.c =================================================================== --- contrib/xz/src/liblzma/delta/delta_decoder.c +++ contrib/xz/src/liblzma/delta/delta_decoder.c @@ -27,7 +27,7 @@ static lzma_ret -delta_decode(lzma_coder *coder, lzma_allocator *allocator, +delta_decode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -47,7 +47,7 @@ extern lzma_ret -lzma_delta_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_delta_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters) { next->code = &delta_decode; @@ -56,7 +56,7 @@ extern lzma_ret -lzma_delta_props_decode(void **options, lzma_allocator *allocator, +lzma_delta_props_decode(void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size) { if (props_size != 1) Index: contrib/xz/src/liblzma/delta/delta_encoder.h =================================================================== --- contrib/xz/src/liblzma/delta/delta_encoder.h +++ contrib/xz/src/liblzma/delta/delta_encoder.h @@ -16,7 +16,8 @@ #include "delta_common.h" extern lzma_ret lzma_delta_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_delta_props_encode(const void *options, uint8_t *out); Index: contrib/xz/src/liblzma/delta/delta_encoder.c =================================================================== --- contrib/xz/src/liblzma/delta/delta_encoder.c +++ contrib/xz/src/liblzma/delta/delta_encoder.c @@ -49,7 +49,7 @@ static lzma_ret -delta_encode(lzma_coder *coder, lzma_allocator *allocator, +delta_encode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -84,7 +84,7 @@ static lzma_ret -delta_encoder_update(lzma_coder *coder, lzma_allocator *allocator, +delta_encoder_update(lzma_coder *coder, const lzma_allocator *allocator, const lzma_filter *filters_null lzma_attribute((__unused__)), const lzma_filter *reversed_filters) { @@ -97,7 +97,7 @@ extern lzma_ret -lzma_delta_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_delta_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters) { next->code = &delta_encode; Index: contrib/xz/src/liblzma/delta/delta_private.h =================================================================== --- contrib/xz/src/liblzma/delta/delta_private.h +++ contrib/xz/src/liblzma/delta/delta_private.h @@ -31,7 +31,7 @@ extern lzma_ret lzma_delta_coder_init( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters); #endif Index: contrib/xz/src/liblzma/liblzma.pc.in =================================================================== --- contrib/xz/src/liblzma/liblzma.pc.in +++ contrib/xz/src/liblzma/liblzma.pc.in @@ -16,4 +16,4 @@ Version: @PACKAGE_VERSION@ Cflags: -I${includedir} Libs: -L${libdir} -llzma -Libs.private: @PTHREAD_CFLAGS@ @PTHREAD_LIBS@ +Libs.private: @PTHREAD_CFLAGS@ @LIBS@ Index: contrib/xz/src/liblzma/lz/lz_decoder.h =================================================================== --- contrib/xz/src/liblzma/lz/lz_decoder.h +++ contrib/xz/src/liblzma/lz/lz_decoder.h @@ -67,7 +67,7 @@ lzma_vli uncompressed_size); /// Free allocated resources - void (*end)(lzma_coder *coder, lzma_allocator *allocator); + void (*end)(lzma_coder *coder, const lzma_allocator *allocator); } lzma_lz_decoder; @@ -83,9 +83,10 @@ extern lzma_ret lzma_lz_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters, + const lzma_allocator *allocator, + const lzma_filter_info *filters, lzma_ret (*lz_init)(lzma_lz_decoder *lz, - lzma_allocator *allocator, const void *options, + const lzma_allocator *allocator, const void *options, lzma_lz_options *lz_options)); extern uint64_t lzma_lz_decoder_memusage(size_t dictionary_size); Index: contrib/xz/src/liblzma/lz/lz_decoder.c =================================================================== --- contrib/xz/src/liblzma/lz/lz_decoder.c +++ contrib/xz/src/liblzma/lz/lz_decoder.c @@ -126,7 +126,7 @@ static lzma_ret lz_decode(lzma_coder *coder, - lzma_allocator *allocator lzma_attribute((__unused__)), + const lzma_allocator *allocator lzma_attribute((__unused__)), const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, @@ -184,7 +184,7 @@ static void -lz_decoder_end(lzma_coder *coder, lzma_allocator *allocator) +lz_decoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); lzma_free(coder->dict.buf, allocator); @@ -200,10 +200,10 @@ extern lzma_ret -lzma_lz_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_lz_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, lzma_ret (*lz_init)(lzma_lz_decoder *lz, - lzma_allocator *allocator, const void *options, + const lzma_allocator *allocator, const void *options, lzma_lz_options *lz_options)) { // Allocate the base structure if it isn't already allocated. Index: contrib/xz/src/liblzma/lz/lz_encoder.h =================================================================== --- contrib/xz/src/liblzma/lz/lz_encoder.h +++ contrib/xz/src/liblzma/lz/lz_encoder.h @@ -119,7 +119,7 @@ lzma_action action; /// Number of elements in hash[] - uint32_t hash_size_sum; + uint32_t hash_count; /// Number of elements in son[] uint32_t sons_count; @@ -199,7 +199,7 @@ size_t *restrict out_pos, size_t out_size); /// Free allocated resources - void (*end)(lzma_coder *coder, lzma_allocator *allocator); + void (*end)(lzma_coder *coder, const lzma_allocator *allocator); /// Update the options in the middle of the encoding. lzma_ret (*options_update)(lzma_coder *coder, @@ -296,10 +296,10 @@ extern lzma_ret lzma_lz_encoder_init( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, lzma_ret (*lz_init)(lzma_lz_encoder *lz, - lzma_allocator *allocator, const void *options, + const lzma_allocator *allocator, const void *options, lzma_lz_options *lz_options)); Index: contrib/xz/src/liblzma/lz/lz_encoder.c =================================================================== --- contrib/xz/src/liblzma/lz/lz_encoder.c +++ contrib/xz/src/liblzma/lz/lz_encoder.c @@ -20,6 +20,8 @@ # include "lz_encoder_hash_table.h" #endif +#include "memcmplen.h" + struct lzma_coder_s { /// LZ-based encoder e.g. LZMA @@ -76,8 +78,9 @@ /// This function must not be called once it has returned LZMA_STREAM_END. /// static lzma_ret -fill_window(lzma_coder *coder, lzma_allocator *allocator, const uint8_t *in, - size_t *in_pos, size_t in_size, lzma_action action) +fill_window(lzma_coder *coder, const lzma_allocator *allocator, + const uint8_t *in, size_t *in_pos, size_t in_size, + lzma_action action) { assert(coder->mf.read_pos <= coder->mf.write_pos); @@ -148,7 +151,7 @@ static lzma_ret -lz_encode(lzma_coder *coder, lzma_allocator *allocator, +lz_encode(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, @@ -179,7 +182,7 @@ static bool -lz_encoder_prepare(lzma_mf *mf, lzma_allocator *allocator, +lz_encoder_prepare(lzma_mf *mf, const lzma_allocator *allocator, const lzma_lz_options *lz_options) { // For now, the dictionary size is limited to 1.5 GiB. This may grow @@ -325,25 +328,22 @@ hs += HASH_4_SIZE; */ - // If the above code calculating hs is modified, make sure that - // this assertion stays valid (UINT32_MAX / 5 is not strictly the - // exact limit). If it doesn't, you need to calculate that - // hash_size_sum + sons_count cannot overflow. - assert(hs < UINT32_MAX / 5); - - const uint32_t old_count = mf->hash_size_sum + mf->sons_count; - mf->hash_size_sum = hs; + const uint32_t old_hash_count = mf->hash_count; + const uint32_t old_sons_count = mf->sons_count; + mf->hash_count = hs; mf->sons_count = mf->cyclic_size; if (is_bt) mf->sons_count *= 2; - const uint32_t new_count = mf->hash_size_sum + mf->sons_count; - // Deallocate the old hash array if it exists and has different size // than what is needed now. - if (old_count != new_count) { + if (old_hash_count != mf->hash_count + || old_sons_count != mf->sons_count) { lzma_free(mf->hash, allocator); mf->hash = NULL; + + lzma_free(mf->son, allocator); + mf->son = NULL; } // Maximum number of match finder cycles @@ -360,14 +360,23 @@ static bool -lz_encoder_init(lzma_mf *mf, lzma_allocator *allocator, +lz_encoder_init(lzma_mf *mf, const lzma_allocator *allocator, const lzma_lz_options *lz_options) { // Allocate the history buffer. if (mf->buffer == NULL) { - mf->buffer = lzma_alloc(mf->size, allocator); + // lzma_memcmplen() is used for the dictionary buffer + // so we need to allocate a few extra bytes to prevent + // it from reading past the end of the buffer. + mf->buffer = lzma_alloc(mf->size + LZMA_MEMCMPLEN_EXTRA, + allocator); if (mf->buffer == NULL) return true; + + // Keep Valgrind happy with lzma_memcmplen() and initialize + // the extra bytes whose value may get read but which will + // effectively get ignored. + memzero(mf->buffer + mf->size, LZMA_MEMCMPLEN_EXTRA); } // Use cyclic_size as initial mf->offset. This allows @@ -381,43 +390,48 @@ mf->write_pos = 0; mf->pending = 0; - // Allocate match finder's hash array. - const size_t alloc_count = mf->hash_size_sum + mf->sons_count; - #if UINT32_MAX >= SIZE_MAX / 4 // Check for integer overflow. (Huge dictionaries are not // possible on 32-bit CPU.) - if (alloc_count > SIZE_MAX / sizeof(uint32_t)) + if (mf->hash_count > SIZE_MAX / sizeof(uint32_t) + || mf->sons_count > SIZE_MAX / sizeof(uint32_t)) return true; #endif + // Allocate and initialize the hash table. Since EMPTY_HASH_VALUE + // is zero, we can use lzma_alloc_zero() or memzero() for mf->hash. + // + // We don't need to initialize mf->son, but not doing that may + // make Valgrind complain in normalization (see normalize() in + // lz_encoder_mf.c). Skipping the initialization is *very* good + // when big dictionary is used but only small amount of data gets + // actually compressed: most of the mf->son won't get actually + // allocated by the kernel, so we avoid wasting RAM and improve + // initialization speed a lot. if (mf->hash == NULL) { - mf->hash = lzma_alloc(alloc_count * sizeof(uint32_t), + mf->hash = lzma_alloc_zero(mf->hash_count * sizeof(uint32_t), + allocator); + mf->son = lzma_alloc(mf->sons_count * sizeof(uint32_t), allocator); - if (mf->hash == NULL) - return true; - } - mf->son = mf->hash + mf->hash_size_sum; - mf->cyclic_pos = 0; + if (mf->hash == NULL || mf->son == NULL) { + lzma_free(mf->hash, allocator); + mf->hash = NULL; + + lzma_free(mf->son, allocator); + mf->son = NULL; - // Initialize the hash table. Since EMPTY_HASH_VALUE is zero, we - // can use memset(). + return true; + } + } else { /* - for (uint32_t i = 0; i < hash_size_sum; ++i) - mf->hash[i] = EMPTY_HASH_VALUE; + for (uint32_t i = 0; i < mf->hash_count; ++i) + mf->hash[i] = EMPTY_HASH_VALUE; */ - memzero(mf->hash, (size_t)(mf->hash_size_sum) * sizeof(uint32_t)); + memzero(mf->hash, mf->hash_count * sizeof(uint32_t)); + } - // We don't need to initialize mf->son, but not doing that will - // make Valgrind complain in normalization (see normalize() in - // lz_encoder_mf.c). - // - // Skipping this initialization is *very* good when big dictionary is - // used but only small amount of data gets actually compressed: most - // of the mf->hash won't get actually allocated by the kernel, so - // we avoid wasting RAM and improve initialization speed a lot. - //memzero(mf->son, (size_t)(mf->sons_count) * sizeof(uint32_t)); + mf->cyclic_pos = 0; // Handle preset dictionary. if (lz_options->preset_dict != NULL @@ -445,7 +459,8 @@ lzma_mf mf = { .buffer = NULL, .hash = NULL, - .hash_size_sum = 0, + .son = NULL, + .hash_count = 0, .sons_count = 0, }; @@ -454,17 +469,17 @@ return UINT64_MAX; // Calculate the memory usage. - return (uint64_t)(mf.hash_size_sum + mf.sons_count) - * sizeof(uint32_t) - + (uint64_t)(mf.size) + sizeof(lzma_coder); + return ((uint64_t)(mf.hash_count) + mf.sons_count) * sizeof(uint32_t) + + mf.size + sizeof(lzma_coder); } static void -lz_encoder_end(lzma_coder *coder, lzma_allocator *allocator) +lz_encoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); + lzma_free(coder->mf.son, allocator); lzma_free(coder->mf.hash, allocator); lzma_free(coder->mf.buffer, allocator); @@ -479,7 +494,7 @@ static lzma_ret -lz_encoder_update(lzma_coder *coder, lzma_allocator *allocator, +lz_encoder_update(lzma_coder *coder, const lzma_allocator *allocator, const lzma_filter *filters_null lzma_attribute((__unused__)), const lzma_filter *reversed_filters) { @@ -495,10 +510,10 @@ extern lzma_ret -lzma_lz_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_lz_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, lzma_ret (*lz_init)(lzma_lz_encoder *lz, - lzma_allocator *allocator, const void *options, + const lzma_allocator *allocator, const void *options, lzma_lz_options *lz_options)) { #ifdef HAVE_SMALL @@ -522,7 +537,8 @@ next->coder->mf.buffer = NULL; next->coder->mf.hash = NULL; - next->coder->mf.hash_size_sum = 0; + next->coder->mf.son = NULL; + next->coder->mf.hash_count = 0; next->coder->mf.sons_count = 0; next->coder->next = LZMA_NEXT_CODER_INIT; Index: contrib/xz/src/liblzma/lz/lz_encoder_mf.c =================================================================== --- contrib/xz/src/liblzma/lz/lz_encoder_mf.c +++ contrib/xz/src/liblzma/lz/lz_encoder_mf.c @@ -13,6 +13,7 @@ #include "lz_encoder.h" #include "lz_encoder_hash.h" +#include "memcmplen.h" /// \brief Find matches starting from the current byte @@ -65,9 +66,7 @@ // here because the match distances are zero based. const uint8_t *p2 = p1 - matches[count - 1].dist - 1; - while (len_best < limit - && p1[len_best] == p2[len_best]) - ++len_best; + len_best = lzma_memcmplen(p1, p2, len_best, limit); } } @@ -116,24 +115,27 @@ = (MUST_NORMALIZE_POS - mf->cyclic_size); // & (~(UINT32_C(1) << 10) - 1); - const uint32_t count = mf->hash_size_sum + mf->sons_count; - uint32_t *hash = mf->hash; - - for (uint32_t i = 0; i < count; ++i) { + for (uint32_t i = 0; i < mf->hash_count; ++i) { // If the distance is greater than the dictionary size, // we can simply mark the hash element as empty. + if (mf->hash[i] <= subvalue) + mf->hash[i] = EMPTY_HASH_VALUE; + else + mf->hash[i] -= subvalue; + } + + for (uint32_t i = 0; i < mf->sons_count; ++i) { + // Do the same for mf->son. // - // NOTE: Only the first mf->hash_size_sum elements are - // initialized for sure. There may be uninitialized elements - // in mf->son. Since we go through both mf->hash and - // mf->son here in normalization, Valgrind may complain - // that the "if" below depends on uninitialized value. In - // this case it is safe to ignore the warning. See also the - // comments in lz_encoder_init() in lz_encoder.c. - if (hash[i] <= subvalue) - hash[i] = EMPTY_HASH_VALUE; + // NOTE: There may be uninitialized elements in mf->son. + // Valgrind may complain that the "if" below depends on + // an uninitialized value. In this case it is safe to ignore + // the warning. See also the comments in lz_encoder_init() + // in lz_encoder.c. + if (mf->son[i] <= subvalue) + mf->son[i] = EMPTY_HASH_VALUE; else - hash[i] -= subvalue; + mf->son[i] -= subvalue; } // Update offset to match the new locations. @@ -269,10 +271,7 @@ + (delta > cyclic_pos ? cyclic_size : 0)]; if (pb[len_best] == cur[len_best] && pb[0] == cur[0]) { - uint32_t len = 0; - while (++len != len_limit) - if (pb[len] != cur[len]) - break; + uint32_t len = lzma_memcmplen(pb, cur, 1, len_limit); if (len_best < len) { len_best = len; @@ -318,9 +317,8 @@ uint32_t len_best = 2; if (delta2 < mf->cyclic_size && *(cur - delta2) == *cur) { - for ( ; len_best != len_limit; ++len_best) - if (*(cur + len_best - delta2) != cur[len_best]) - break; + len_best = lzma_memcmplen(cur - delta2, cur, + len_best, len_limit); matches[0].len = len_best; matches[0].dist = delta2 - 1; @@ -397,9 +395,8 @@ } if (matches_count != 0) { - for ( ; len_best != len_limit; ++len_best) - if (*(cur + len_best - delta2) != cur[len_best]) - break; + len_best = lzma_memcmplen(cur - delta2, cur, + len_best, len_limit); matches[matches_count - 1].len = len_best; @@ -484,9 +481,7 @@ uint32_t len = my_min(len0, len1); if (pb[len] == cur[len]) { - while (++len != len_limit) - if (pb[len] != cur[len]) - break; + len = lzma_memcmplen(pb, cur, len + 1, len_limit); if (len_best < len) { len_best = len; @@ -549,9 +544,7 @@ uint32_t len = my_min(len0, len1); if (pb[len] == cur[len]) { - while (++len != len_limit) - if (pb[len] != cur[len]) - break; + len = lzma_memcmplen(pb, cur, len + 1, len_limit); if (len == len_limit) { *ptr1 = pair[0]; @@ -639,9 +632,8 @@ uint32_t len_best = 2; if (delta2 < mf->cyclic_size && *(cur - delta2) == *cur) { - for ( ; len_best != len_limit; ++len_best) - if (*(cur + len_best - delta2) != cur[len_best]) - break; + len_best = lzma_memcmplen( + cur, cur - delta2, len_best, len_limit); matches[0].len = len_best; matches[0].dist = delta2 - 1; @@ -712,9 +704,8 @@ } if (matches_count != 0) { - for ( ; len_best != len_limit; ++len_best) - if (*(cur + len_best - delta2) != cur[len_best]) - break; + len_best = lzma_memcmplen( + cur, cur - delta2, len_best, len_limit); matches[matches_count - 1].len = len_best; Index: contrib/xz/src/liblzma/lzma/fastpos.h =================================================================== --- contrib/xz/src/liblzma/lzma/fastpos.h +++ contrib/xz/src/liblzma/lzma/fastpos.h @@ -14,15 +14,15 @@ #ifndef LZMA_FASTPOS_H #define LZMA_FASTPOS_H -// LZMA encodes match distances (positions) by storing the highest two -// bits using a six-bit value [0, 63], and then the missing lower bits. -// Dictionary size is also stored using this encoding in the new .lzma +// LZMA encodes match distances by storing the highest two bits using +// a six-bit value [0, 63], and then the missing lower bits. +// Dictionary size is also stored using this encoding in the .xz // file format header. // // fastpos.h provides a way to quickly find out the correct six-bit // values. The following table gives some examples of this encoding: // -// pos return +// dist return // 0 0 // 1 1 // 2 2 @@ -48,10 +48,10 @@ // Provided functions or macros // ---------------------------- // -// get_pos_slot(pos) is the basic version. get_pos_slot_2(pos) -// assumes that pos >= FULL_DISTANCES, thus the result is at least -// FULL_DISTANCES_BITS * 2. Using get_pos_slot(pos) instead of -// get_pos_slot_2(pos) would give the same result, but get_pos_slot_2(pos) +// get_dist_slot(dist) is the basic version. get_dist_slot_2(dist) +// assumes that dist >= FULL_DISTANCES, thus the result is at least +// FULL_DISTANCES_BITS * 2. Using get_dist_slot(dist) instead of +// get_dist_slot_2(dist) would give the same result, but get_dist_slot_2(dist) // should be tiny bit faster due to the assumption being made. // // @@ -76,13 +76,14 @@ // slightly faster, but sometimes it is a lot slower. #ifdef HAVE_SMALL -# define get_pos_slot(pos) ((pos) <= 4 ? (pos) : get_pos_slot_2(pos)) +# define get_dist_slot(dist) \ + ((dist) <= 4 ? (dist) : get_dist_slot_2(dist)) static inline uint32_t -get_pos_slot_2(uint32_t pos) +get_dist_slot_2(uint32_t dist) { - const uint32_t i = bsr32(pos); - return (i + i) + ((pos >> (i - 1)) & 1); + const uint32_t i = bsr32(dist); + return (i + i) + ((dist >> (i - 1)) & 1); } @@ -99,39 +100,39 @@ #define fastpos_limit(extra, n) \ (UINT32_C(1) << (FASTPOS_BITS + fastpos_shift(extra, n))) -#define fastpos_result(pos, extra, n) \ - lzma_fastpos[(pos) >> fastpos_shift(extra, n)] \ +#define fastpos_result(dist, extra, n) \ + lzma_fastpos[(dist) >> fastpos_shift(extra, n)] \ + 2 * fastpos_shift(extra, n) static inline uint32_t -get_pos_slot(uint32_t pos) +get_dist_slot(uint32_t dist) { // If it is small enough, we can pick the result directly from // the precalculated table. - if (pos < fastpos_limit(0, 0)) - return lzma_fastpos[pos]; + if (dist < fastpos_limit(0, 0)) + return lzma_fastpos[dist]; - if (pos < fastpos_limit(0, 1)) - return fastpos_result(pos, 0, 1); + if (dist < fastpos_limit(0, 1)) + return fastpos_result(dist, 0, 1); - return fastpos_result(pos, 0, 2); + return fastpos_result(dist, 0, 2); } #ifdef FULL_DISTANCES_BITS static inline uint32_t -get_pos_slot_2(uint32_t pos) +get_dist_slot_2(uint32_t dist) { - assert(pos >= FULL_DISTANCES); + assert(dist >= FULL_DISTANCES); - if (pos < fastpos_limit(FULL_DISTANCES_BITS - 1, 0)) - return fastpos_result(pos, FULL_DISTANCES_BITS - 1, 0); + if (dist < fastpos_limit(FULL_DISTANCES_BITS - 1, 0)) + return fastpos_result(dist, FULL_DISTANCES_BITS - 1, 0); - if (pos < fastpos_limit(FULL_DISTANCES_BITS - 1, 1)) - return fastpos_result(pos, FULL_DISTANCES_BITS - 1, 1); + if (dist < fastpos_limit(FULL_DISTANCES_BITS - 1, 1)) + return fastpos_result(dist, FULL_DISTANCES_BITS - 1, 1); - return fastpos_result(pos, FULL_DISTANCES_BITS - 1, 2); + return fastpos_result(dist, FULL_DISTANCES_BITS - 1, 2); } #endif Index: contrib/xz/src/liblzma/lzma/lzma2_decoder.h =================================================================== --- contrib/xz/src/liblzma/lzma/lzma2_decoder.h +++ contrib/xz/src/liblzma/lzma/lzma2_decoder.h @@ -17,12 +17,13 @@ #include "common.h" extern lzma_ret lzma_lzma2_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern uint64_t lzma_lzma2_decoder_memusage(const void *options); extern lzma_ret lzma_lzma2_props_decode( - void **options, lzma_allocator *allocator, + void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size); #endif Index: contrib/xz/src/liblzma/lzma/lzma2_decoder.c =================================================================== --- contrib/xz/src/liblzma/lzma/lzma2_decoder.c +++ contrib/xz/src/liblzma/lzma/lzma2_decoder.c @@ -209,7 +209,7 @@ static void -lzma2_decoder_end(lzma_coder *coder, lzma_allocator *allocator) +lzma2_decoder_end(lzma_coder *coder, const lzma_allocator *allocator) { assert(coder->lzma.end == NULL); lzma_free(coder->lzma.coder, allocator); @@ -221,7 +221,7 @@ static lzma_ret -lzma2_decoder_init(lzma_lz_decoder *lz, lzma_allocator *allocator, +lzma2_decoder_init(lzma_lz_decoder *lz, const lzma_allocator *allocator, const void *opt, lzma_lz_options *lz_options) { if (lz->coder == NULL) { @@ -248,7 +248,7 @@ extern lzma_ret -lzma_lzma2_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_lzma2_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters) { // LZMA2 can only be the last filter in the chain. This is enforced @@ -269,7 +269,7 @@ extern lzma_ret -lzma_lzma2_props_decode(void **options, lzma_allocator *allocator, +lzma_lzma2_props_decode(void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size) { if (props_size != 1) Index: contrib/xz/src/liblzma/lzma/lzma2_encoder.h =================================================================== --- contrib/xz/src/liblzma/lzma/lzma2_encoder.h +++ contrib/xz/src/liblzma/lzma/lzma2_encoder.h @@ -31,11 +31,13 @@ extern lzma_ret lzma_lzma2_encoder_init( - lzma_next_coder *next, lzma_allocator *allocator, + lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters); extern uint64_t lzma_lzma2_encoder_memusage(const void *options); extern lzma_ret lzma_lzma2_props_encode(const void *options, uint8_t *out); +extern uint64_t lzma_lzma2_block_size(const void *options); + #endif Index: contrib/xz/src/liblzma/lzma/lzma2_encoder.c =================================================================== --- contrib/xz/src/liblzma/lzma/lzma2_encoder.c +++ contrib/xz/src/liblzma/lzma/lzma2_encoder.c @@ -262,7 +262,7 @@ static void -lzma2_encoder_end(lzma_coder *coder, lzma_allocator *allocator) +lzma2_encoder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_free(coder->lzma, allocator); lzma_free(coder, allocator); @@ -304,7 +304,7 @@ static lzma_ret -lzma2_encoder_init(lzma_lz_encoder *lz, lzma_allocator *allocator, +lzma2_encoder_init(lzma_lz_encoder *lz, const lzma_allocator *allocator, const void *options, lzma_lz_options *lz_options) { if (options == NULL) @@ -349,7 +349,7 @@ extern lzma_ret -lzma_lzma2_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_lzma2_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters) { return lzma_lz_encoder_init( @@ -387,7 +387,17 @@ if (d == UINT32_MAX) out[0] = 40; else - out[0] = get_pos_slot(d + 1) - 24; + out[0] = get_dist_slot(d + 1) - 24; return LZMA_OK; } + + +extern uint64_t +lzma_lzma2_block_size(const void *options) +{ + const lzma_options_lzma *const opt = options; + + // Use at least 1 MiB to keep compression ratio better. + return my_max((uint64_t)(opt->dict_size) * 3, UINT64_C(1) << 20); +} Index: contrib/xz/src/liblzma/lzma/lzma_common.h =================================================================== --- contrib/xz/src/liblzma/lzma/lzma_common.h +++ contrib/xz/src/liblzma/lzma/lzma_common.h @@ -171,53 +171,54 @@ // Match distance // //////////////////// -// Different set of probabilities is used for match distances that have very +// Different sets of probabilities are used for match distances that have very // short match length: Lengths of 2, 3, and 4 bytes have a separate set of // probabilities for each length. The matches with longer length use a shared // set of probabilities. -#define LEN_TO_POS_STATES 4 +#define DIST_STATES 4 // Macro to get the index of the appropriate probability array. -#define get_len_to_pos_state(len) \ - ((len) < LEN_TO_POS_STATES + MATCH_LEN_MIN \ +#define get_dist_state(len) \ + ((len) < DIST_STATES + MATCH_LEN_MIN \ ? (len) - MATCH_LEN_MIN \ - : LEN_TO_POS_STATES - 1) + : DIST_STATES - 1) -// The highest two bits of a match distance (pos slot) are encoded using six -// bits. See fastpos.h for more explanation. -#define POS_SLOT_BITS 6 -#define POS_SLOTS (1 << POS_SLOT_BITS) +// The highest two bits of a match distance (distance slot) are encoded +// using six bits. See fastpos.h for more explanation. +#define DIST_SLOT_BITS 6 +#define DIST_SLOTS (1 << DIST_SLOT_BITS) // Match distances up to 127 are fully encoded using probabilities. Since -// the highest two bits (pos slot) are always encoded using six bits, the -// distances 0-3 don't need any additional bits to encode, since the pos -// slot itself is the same as the actual distance. START_POS_MODEL_INDEX -// indicates the first pos slot where at least one additional bit is needed. -#define START_POS_MODEL_INDEX 4 +// the highest two bits (distance slot) are always encoded using six bits, +// the distances 0-3 don't need any additional bits to encode, since the +// distance slot itself is the same as the actual distance. DIST_MODEL_START +// indicates the first distance slot where at least one additional bit is +// needed. +#define DIST_MODEL_START 4 // Match distances greater than 127 are encoded in three pieces: -// - pos slot: the highest two bits +// - distance slot: the highest two bits // - direct bits: 2-26 bits below the highest two bits // - alignment bits: four lowest bits // // Direct bits don't use any probabilities. // -// The pos slot value of 14 is for distances 128-191 (see the table in +// The distance slot value of 14 is for distances 128-191 (see the table in // fastpos.h to understand why). -#define END_POS_MODEL_INDEX 14 +#define DIST_MODEL_END 14 -// Pos slots that indicate a distance <= 127. -#define FULL_DISTANCES_BITS (END_POS_MODEL_INDEX / 2) +// Distance slots that indicate a distance <= 127. +#define FULL_DISTANCES_BITS (DIST_MODEL_END / 2) #define FULL_DISTANCES (1 << FULL_DISTANCES_BITS) // For match distances greater than 127, only the highest two bits and the // lowest four bits (alignment) is encoded using probabilities. #define ALIGN_BITS 4 -#define ALIGN_TABLE_SIZE (1 << ALIGN_BITS) -#define ALIGN_MASK (ALIGN_TABLE_SIZE - 1) +#define ALIGN_SIZE (1 << ALIGN_BITS) +#define ALIGN_MASK (ALIGN_SIZE - 1) // LZMA remembers the four most recent match distances. Reusing these distances // tends to take less space than re-encoding the actual distance value. -#define REP_DISTANCES 4 +#define REPS 4 #endif Index: contrib/xz/src/liblzma/lzma/lzma_decoder.h =================================================================== --- contrib/xz/src/liblzma/lzma/lzma_decoder.h +++ contrib/xz/src/liblzma/lzma/lzma_decoder.h @@ -19,12 +19,13 @@ /// Allocates and initializes LZMA decoder extern lzma_ret lzma_lzma_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern uint64_t lzma_lzma_decoder_memusage(const void *options); extern lzma_ret lzma_lzma_props_decode( - void **options, lzma_allocator *allocator, + void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size); @@ -40,7 +41,7 @@ /// Allocate and setup function pointers only. This is used by LZMA1 and /// LZMA2 decoders. extern lzma_ret lzma_lzma_decoder_create( - lzma_lz_decoder *lz, lzma_allocator *allocator, + lzma_lz_decoder *lz, const lzma_allocator *allocator, const void *opt, lzma_lz_options *lz_options); /// Gets memory usage without validating lc/lp/pb. This is used by LZMA2 Index: contrib/xz/src/liblzma/lzma/lzma_decoder.c =================================================================== --- contrib/xz/src/liblzma/lzma/lzma_decoder.c +++ contrib/xz/src/liblzma/lzma/lzma_decoder.c @@ -193,15 +193,15 @@ /// Probability tree for the highest two bits of the match distance. /// There is a separate probability tree for match lengths of /// 2 (i.e. MATCH_LEN_MIN), 3, 4, and [5, 273]. - probability pos_slot[LEN_TO_POS_STATES][POS_SLOTS]; + probability dist_slot[DIST_STATES][DIST_SLOTS]; /// Probability trees for additional bits for match distance when the /// distance is in the range [4, 127]. - probability pos_special[FULL_DISTANCES - END_POS_MODEL_INDEX]; + probability pos_special[FULL_DISTANCES - DIST_MODEL_END]; /// Probability tree for the lowest four bits of a match distance /// that is equal to or greater than 128. - probability pos_align[ALIGN_TABLE_SIZE]; + probability pos_align[ALIGN_SIZE]; /// Length of a normal match lzma_length_decoder match_len_decoder; @@ -245,8 +245,8 @@ SEQ_LITERAL_WRITE, SEQ_IS_REP, seq_len(SEQ_MATCH_LEN), - seq_6(SEQ_POS_SLOT), - SEQ_POS_MODEL, + seq_6(SEQ_DIST_SLOT), + SEQ_DIST_MODEL, SEQ_DIRECT, seq_4(SEQ_ALIGN), SEQ_EOPM, @@ -289,8 +289,12 @@ // Initialization // //////////////////// - if (!rc_read_init(&coder->rc, in, in_pos, in_size)) - return LZMA_OK; + { + const lzma_ret ret = rc_read_init( + &coder->rc, in, in_pos, in_size); + if (ret != LZMA_STREAM_END) + return ret; + } /////////////// // Variables // @@ -502,28 +506,28 @@ // Prepare to decode the highest two bits of the // match distance. - probs = coder->pos_slot[get_len_to_pos_state(len)]; + probs = coder->dist_slot[get_dist_state(len)]; symbol = 1; #ifdef HAVE_SMALL - case SEQ_POS_SLOT: + case SEQ_DIST_SLOT: do { - rc_bit(probs[symbol], , , SEQ_POS_SLOT); - } while (symbol < POS_SLOTS); + rc_bit(probs[symbol], , , SEQ_DIST_SLOT); + } while (symbol < DIST_SLOTS); #else - rc_bit_case(probs[symbol], , , SEQ_POS_SLOT0); - rc_bit_case(probs[symbol], , , SEQ_POS_SLOT1); - rc_bit_case(probs[symbol], , , SEQ_POS_SLOT2); - rc_bit_case(probs[symbol], , , SEQ_POS_SLOT3); - rc_bit_case(probs[symbol], , , SEQ_POS_SLOT4); - rc_bit_case(probs[symbol], , , SEQ_POS_SLOT5); + rc_bit_case(probs[symbol], , , SEQ_DIST_SLOT0); + rc_bit_case(probs[symbol], , , SEQ_DIST_SLOT1); + rc_bit_case(probs[symbol], , , SEQ_DIST_SLOT2); + rc_bit_case(probs[symbol], , , SEQ_DIST_SLOT3); + rc_bit_case(probs[symbol], , , SEQ_DIST_SLOT4); + rc_bit_case(probs[symbol], , , SEQ_DIST_SLOT5); #endif // Get rid of the highest bit that was needed for // indexing of the probability array. - symbol -= POS_SLOTS; + symbol -= DIST_SLOTS; assert(symbol <= 63); - if (symbol < START_POS_MODEL_INDEX) { + if (symbol < DIST_MODEL_START) { // Match distances [0, 3] have only two bits. rep0 = symbol; } else { @@ -533,7 +537,7 @@ assert(limit >= 1 && limit <= 30); rep0 = 2 + (symbol & 1); - if (symbol < END_POS_MODEL_INDEX) { + if (symbol < DIST_MODEL_END) { // Prepare to decode the low bits for // a distance of [4, 127]. assert(limit <= 5); @@ -553,12 +557,12 @@ - symbol - 1; symbol = 1; offset = 0; - case SEQ_POS_MODEL: + case SEQ_DIST_MODEL: #ifdef HAVE_SMALL do { rc_bit(probs[symbol], , rep0 += 1 << offset, - SEQ_POS_MODEL); + SEQ_DIST_MODEL); } while (++offset < limit); #else switch (limit) { @@ -566,25 +570,25 @@ assert(offset == 0); rc_bit(probs[symbol], , rep0 += 1, - SEQ_POS_MODEL); + SEQ_DIST_MODEL); ++offset; --limit; case 4: rc_bit(probs[symbol], , rep0 += 1 << offset, - SEQ_POS_MODEL); + SEQ_DIST_MODEL); ++offset; --limit; case 3: rc_bit(probs[symbol], , rep0 += 1 << offset, - SEQ_POS_MODEL); + SEQ_DIST_MODEL); ++offset; --limit; case 2: rc_bit(probs[symbol], , rep0 += 1 << offset, - SEQ_POS_MODEL); + SEQ_DIST_MODEL); ++offset; --limit; case 1: @@ -596,7 +600,7 @@ // "symbol". rc_bit_last(probs[symbol], , rep0 += 1 << offset, - SEQ_POS_MODEL); + SEQ_DIST_MODEL); } #endif } else { @@ -637,7 +641,7 @@ rc_bit(coder->pos_align[symbol], , rep0 += 4, SEQ_ALIGN2); case SEQ_ALIGN3: - // Like in SEQ_POS_MODEL, we don't + // Like in SEQ_DIST_MODEL, we don't // need "symbol" for anything else // than indexing the probability array. rc_bit_last(coder->pos_align[symbol], , @@ -891,10 +895,10 @@ bit_reset(coder->is_rep2[i]); } - for (uint32_t i = 0; i < LEN_TO_POS_STATES; ++i) - bittree_reset(coder->pos_slot[i], POS_SLOT_BITS); + for (uint32_t i = 0; i < DIST_STATES; ++i) + bittree_reset(coder->dist_slot[i], DIST_SLOT_BITS); - for (uint32_t i = 0; i < FULL_DISTANCES - END_POS_MODEL_INDEX; ++i) + for (uint32_t i = 0; i < FULL_DISTANCES - DIST_MODEL_END; ++i) bit_reset(coder->pos_special[i]); bittree_reset(coder->pos_align, ALIGN_BITS); @@ -933,7 +937,7 @@ extern lzma_ret -lzma_lzma_decoder_create(lzma_lz_decoder *lz, lzma_allocator *allocator, +lzma_lzma_decoder_create(lzma_lz_decoder *lz, const lzma_allocator *allocator, const void *opt, lzma_lz_options *lz_options) { if (lz->coder == NULL) { @@ -961,7 +965,7 @@ /// initialization (lzma_lzma_decoder_init() passes function pointer to /// the LZ initialization). static lzma_ret -lzma_decoder_init(lzma_lz_decoder *lz, lzma_allocator *allocator, +lzma_decoder_init(lzma_lz_decoder *lz, const lzma_allocator *allocator, const void *options, lzma_lz_options *lz_options) { if (!is_lclppb_valid(options)) @@ -978,7 +982,7 @@ extern lzma_ret -lzma_lzma_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_lzma_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters) { // LZMA can only be the last filter in the chain. This is enforced @@ -1025,7 +1029,7 @@ extern lzma_ret -lzma_lzma_props_decode(void **options, lzma_allocator *allocator, +lzma_lzma_props_decode(void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size) { if (props_size != 5) Index: contrib/xz/src/liblzma/lzma/lzma_encoder.h =================================================================== --- contrib/xz/src/liblzma/lzma/lzma_encoder.h +++ contrib/xz/src/liblzma/lzma/lzma_encoder.h @@ -18,7 +18,8 @@ extern lzma_ret lzma_lzma_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern uint64_t lzma_lzma_encoder_memusage(const void *options); @@ -35,7 +36,7 @@ /// Initializes raw LZMA encoder; this is used by LZMA2. extern lzma_ret lzma_lzma_encoder_create( - lzma_coder **coder_ptr, lzma_allocator *allocator, + lzma_coder **coder_ptr, const lzma_allocator *allocator, const lzma_options_lzma *options, lzma_lz_options *lz_options); Index: contrib/xz/src/liblzma/lzma/lzma_encoder.c =================================================================== --- contrib/xz/src/liblzma/lzma/lzma_encoder.c +++ contrib/xz/src/liblzma/lzma/lzma_encoder.c @@ -148,28 +148,28 @@ length(&coder->rc, &coder->match_len_encoder, pos_state, len, coder->fast_mode); - const uint32_t pos_slot = get_pos_slot(distance); - const uint32_t len_to_pos_state = get_len_to_pos_state(len); - rc_bittree(&coder->rc, coder->pos_slot[len_to_pos_state], - POS_SLOT_BITS, pos_slot); - - if (pos_slot >= START_POS_MODEL_INDEX) { - const uint32_t footer_bits = (pos_slot >> 1) - 1; - const uint32_t base = (2 | (pos_slot & 1)) << footer_bits; - const uint32_t pos_reduced = distance - base; + const uint32_t dist_slot = get_dist_slot(distance); + const uint32_t dist_state = get_dist_state(len); + rc_bittree(&coder->rc, coder->dist_slot[dist_state], + DIST_SLOT_BITS, dist_slot); + + if (dist_slot >= DIST_MODEL_START) { + const uint32_t footer_bits = (dist_slot >> 1) - 1; + const uint32_t base = (2 | (dist_slot & 1)) << footer_bits; + const uint32_t dist_reduced = distance - base; - if (pos_slot < END_POS_MODEL_INDEX) { - // Careful here: base - pos_slot - 1 can be -1, but + if (dist_slot < DIST_MODEL_END) { + // Careful here: base - dist_slot - 1 can be -1, but // rc_bittree_reverse starts at probs[1], not probs[0]. rc_bittree_reverse(&coder->rc, - coder->pos_special + base - pos_slot - 1, - footer_bits, pos_reduced); + coder->dist_special + base - dist_slot - 1, + footer_bits, dist_reduced); } else { - rc_direct(&coder->rc, pos_reduced >> ALIGN_BITS, + rc_direct(&coder->rc, dist_reduced >> ALIGN_BITS, footer_bits - ALIGN_BITS); rc_bittree_reverse( - &coder->rc, coder->pos_align, - ALIGN_BITS, pos_reduced & ALIGN_MASK); + &coder->rc, coder->dist_align, + ALIGN_BITS, dist_reduced & ALIGN_MASK); ++coder->align_price_count; } } @@ -247,7 +247,7 @@ rc_bit(&coder->rc, &coder->is_match[coder->state][pos_state], 1); - if (back < REP_DISTANCES) { + if (back < REPS) { // It's a repeated match i.e. the same distance // has been used earlier. rc_bit(&coder->rc, &coder->is_rep[coder->state], 1); @@ -255,7 +255,7 @@ } else { // Normal match rc_bit(&coder->rc, &coder->is_rep[coder->state], 0); - match(coder, pos_state, back - REP_DISTANCES, len); + match(coder, pos_state, back - REPS, len); } } @@ -353,9 +353,9 @@ // Get optimal match (repeat position and length). // Value ranges for pos: - // - [0, REP_DISTANCES): repeated match - // - [REP_DISTANCES, UINT32_MAX): - // match at (pos - REP_DISTANCES) + // - [0, REPS): repeated match + // - [REPS, UINT32_MAX): + // match at (pos - REPS) // - UINT32_MAX: not a match but a literal // Value ranges for len: // - [MATCH_LEN_MIN, MATCH_LEN_MAX] @@ -487,7 +487,7 @@ // State coder->state = STATE_LIT_LIT; - for (size_t i = 0; i < REP_DISTANCES; ++i) + for (size_t i = 0; i < REPS; ++i) coder->reps[i] = 0; literal_init(coder->literal, options->lc, options->lp); @@ -505,14 +505,14 @@ bit_reset(coder->is_rep2[i]); } - for (size_t i = 0; i < FULL_DISTANCES - END_POS_MODEL_INDEX; ++i) - bit_reset(coder->pos_special[i]); + for (size_t i = 0; i < FULL_DISTANCES - DIST_MODEL_END; ++i) + bit_reset(coder->dist_special[i]); // Bit tree encoders - for (size_t i = 0; i < LEN_TO_POS_STATES; ++i) - bittree_reset(coder->pos_slot[i], POS_SLOT_BITS); + for (size_t i = 0; i < DIST_STATES; ++i) + bittree_reset(coder->dist_slot[i], DIST_SLOT_BITS); - bittree_reset(coder->pos_align, ALIGN_BITS); + bittree_reset(coder->dist_align, ALIGN_BITS); // Length encoders length_encoder_reset(&coder->match_len_encoder, @@ -545,7 +545,8 @@ extern lzma_ret -lzma_lzma_encoder_create(lzma_coder **coder_ptr, lzma_allocator *allocator, +lzma_lzma_encoder_create(lzma_coder **coder_ptr, + const lzma_allocator *allocator, const lzma_options_lzma *options, lzma_lz_options *lz_options) { // Allocate lzma_coder if it wasn't already allocated. @@ -604,7 +605,7 @@ static lzma_ret -lzma_encoder_init(lzma_lz_encoder *lz, lzma_allocator *allocator, +lzma_encoder_init(lzma_lz_encoder *lz, const lzma_allocator *allocator, const void *options, lzma_lz_options *lz_options) { lz->code = &lzma_encode; @@ -614,7 +615,7 @@ extern lzma_ret -lzma_lzma_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_lzma_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters) { return lzma_lz_encoder_init( Index: contrib/xz/src/liblzma/lzma/lzma_encoder_optimum_fast.c =================================================================== --- contrib/xz/src/liblzma/lzma/lzma_encoder_optimum_fast.c +++ contrib/xz/src/liblzma/lzma/lzma_encoder_optimum_fast.c @@ -10,6 +10,7 @@ /////////////////////////////////////////////////////////////////////////////// #include "lzma_encoder_private.h" +#include "memcmplen.h" #define change_pair(small_dist, big_dist) \ @@ -46,7 +47,7 @@ uint32_t rep_len = 0; uint32_t rep_index = 0; - for (uint32_t i = 0; i < REP_DISTANCES; ++i) { + for (uint32_t i = 0; i < REPS; ++i) { // Pointer to the beginning of the match candidate const uint8_t *const buf_back = buf - coder->reps[i] - 1; @@ -57,9 +58,8 @@ // The first two bytes matched. // Calculate the length of the match. - uint32_t len; - for (len = 2; len < buf_avail - && buf[len] == buf_back[len]; ++len) ; + const uint32_t len = lzma_memcmplen( + buf, buf_back, 2, buf_avail); // If we have found a repeated match that is at least // nice_len long, return it immediately. @@ -79,8 +79,7 @@ // We didn't find a long enough repeated match. Encode it as a normal // match if the match length is at least nice_len. if (len_main >= nice_len) { - *back_res = coder->matches[matches_count - 1].dist - + REP_DISTANCES; + *back_res = coder->matches[matches_count - 1].dist + REPS; *len_res = len_main; mf_skip(mf, len_main - 1); return; @@ -155,24 +154,15 @@ const uint32_t limit = len_main - 1; - for (uint32_t i = 0; i < REP_DISTANCES; ++i) { - const uint8_t *const buf_back = buf - coder->reps[i] - 1; - - if (not_equal_16(buf, buf_back)) - continue; - - uint32_t len; - for (len = 2; len < limit - && buf[len] == buf_back[len]; ++len) ; - - if (len >= limit) { + for (uint32_t i = 0; i < REPS; ++i) { + if (memcmp(buf, buf - coder->reps[i] - 1, limit) == 0) { *back_res = UINT32_MAX; *len_res = 1; return; } } - *back_res = back_main + REP_DISTANCES; + *back_res = back_main + REPS; *len_res = len_main; mf_skip(mf, len_main - 2); return; Index: contrib/xz/src/liblzma/lzma/lzma_encoder_optimum_normal.c =================================================================== --- contrib/xz/src/liblzma/lzma/lzma_encoder_optimum_normal.c +++ contrib/xz/src/liblzma/lzma/lzma_encoder_optimum_normal.c @@ -11,6 +11,7 @@ #include "lzma_encoder_private.h" #include "fastpos.h" +#include "memcmplen.h" //////////// @@ -108,18 +109,18 @@ static inline uint32_t -get_pos_len_price(const lzma_coder *const coder, const uint32_t pos, +get_dist_len_price(const lzma_coder *const coder, const uint32_t dist, const uint32_t len, const uint32_t pos_state) { - const uint32_t len_to_pos_state = get_len_to_pos_state(len); + const uint32_t dist_state = get_dist_state(len); uint32_t price; - if (pos < FULL_DISTANCES) { - price = coder->distances_prices[len_to_pos_state][pos]; + if (dist < FULL_DISTANCES) { + price = coder->dist_prices[dist_state][dist]; } else { - const uint32_t pos_slot = get_pos_slot_2(pos); - price = coder->pos_slot_prices[len_to_pos_state][pos_slot] - + coder->align_prices[pos & ALIGN_MASK]; + const uint32_t dist_slot = get_dist_slot_2(dist); + price = coder->dist_slot_prices[dist_state][dist_slot] + + coder->align_prices[dist & ALIGN_MASK]; } price += get_len_price(&coder->match_len_encoder, len, pos_state); @@ -129,55 +130,53 @@ static void -fill_distances_prices(lzma_coder *coder) +fill_dist_prices(lzma_coder *coder) { - for (uint32_t len_to_pos_state = 0; - len_to_pos_state < LEN_TO_POS_STATES; - ++len_to_pos_state) { - - uint32_t *const pos_slot_prices - = coder->pos_slot_prices[len_to_pos_state]; - - // Price to encode the pos_slot. - for (uint32_t pos_slot = 0; - pos_slot < coder->dist_table_size; ++pos_slot) - pos_slot_prices[pos_slot] = rc_bittree_price( - coder->pos_slot[len_to_pos_state], - POS_SLOT_BITS, pos_slot); + for (uint32_t dist_state = 0; dist_state < DIST_STATES; ++dist_state) { + + uint32_t *const dist_slot_prices + = coder->dist_slot_prices[dist_state]; + + // Price to encode the dist_slot. + for (uint32_t dist_slot = 0; + dist_slot < coder->dist_table_size; ++dist_slot) + dist_slot_prices[dist_slot] = rc_bittree_price( + coder->dist_slot[dist_state], + DIST_SLOT_BITS, dist_slot); // For matches with distance >= FULL_DISTANCES, add the price // of the direct bits part of the match distance. (Align bits // are handled by fill_align_prices()). - for (uint32_t pos_slot = END_POS_MODEL_INDEX; - pos_slot < coder->dist_table_size; ++pos_slot) - pos_slot_prices[pos_slot] += rc_direct_price( - ((pos_slot >> 1) - 1) - ALIGN_BITS); + for (uint32_t dist_slot = DIST_MODEL_END; + dist_slot < coder->dist_table_size; + ++dist_slot) + dist_slot_prices[dist_slot] += rc_direct_price( + ((dist_slot >> 1) - 1) - ALIGN_BITS); // Distances in the range [0, 3] are fully encoded with - // pos_slot, so they are used for coder->distances_prices + // dist_slot, so they are used for coder->dist_prices // as is. - for (uint32_t i = 0; i < START_POS_MODEL_INDEX; ++i) - coder->distances_prices[len_to_pos_state][i] - = pos_slot_prices[i]; + for (uint32_t i = 0; i < DIST_MODEL_START; ++i) + coder->dist_prices[dist_state][i] + = dist_slot_prices[i]; } - // Distances in the range [4, 127] depend on pos_slot and pos_special. - // We do this in a loop separate from the above loop to avoid - // redundant calls to get_pos_slot(). - for (uint32_t i = START_POS_MODEL_INDEX; i < FULL_DISTANCES; ++i) { - const uint32_t pos_slot = get_pos_slot(i); - const uint32_t footer_bits = ((pos_slot >> 1) - 1); - const uint32_t base = (2 | (pos_slot & 1)) << footer_bits; + // Distances in the range [4, 127] depend on dist_slot and + // dist_special. We do this in a loop separate from the above + // loop to avoid redundant calls to get_dist_slot(). + for (uint32_t i = DIST_MODEL_START; i < FULL_DISTANCES; ++i) { + const uint32_t dist_slot = get_dist_slot(i); + const uint32_t footer_bits = ((dist_slot >> 1) - 1); + const uint32_t base = (2 | (dist_slot & 1)) << footer_bits; const uint32_t price = rc_bittree_reverse_price( - coder->pos_special + base - pos_slot - 1, + coder->dist_special + base - dist_slot - 1, footer_bits, i - base); - for (uint32_t len_to_pos_state = 0; - len_to_pos_state < LEN_TO_POS_STATES; - ++len_to_pos_state) - coder->distances_prices[len_to_pos_state][i] - = price + coder->pos_slot_prices[ - len_to_pos_state][pos_slot]; + for (uint32_t dist_state = 0; dist_state < DIST_STATES; + ++dist_state) + coder->dist_prices[dist_state][i] + = price + coder->dist_slot_prices[ + dist_state][dist_slot]; } coder->match_price_count = 0; @@ -188,9 +187,9 @@ static void fill_align_prices(lzma_coder *coder) { - for (uint32_t i = 0; i < ALIGN_TABLE_SIZE; ++i) + for (uint32_t i = 0; i < ALIGN_SIZE; ++i) coder->align_prices[i] = rc_bittree_reverse_price( - coder->pos_align, ALIGN_BITS, i); + coder->dist_align, ALIGN_BITS, i); coder->align_price_count = 0; return; @@ -296,10 +295,10 @@ const uint8_t *const buf = mf_ptr(mf) - 1; - uint32_t rep_lens[REP_DISTANCES]; + uint32_t rep_lens[REPS]; uint32_t rep_max_index = 0; - for (uint32_t i = 0; i < REP_DISTANCES; ++i) { + for (uint32_t i = 0; i < REPS; ++i) { const uint8_t *const buf_back = buf - coder->reps[i] - 1; if (not_equal_16(buf, buf_back)) { @@ -307,13 +306,9 @@ continue; } - uint32_t len_test; - for (len_test = 2; len_test < buf_avail - && buf[len_test] == buf_back[len_test]; - ++len_test) ; + rep_lens[i] = lzma_memcmplen(buf, buf_back, 2, buf_avail); - rep_lens[i] = len_test; - if (len_test > rep_lens[rep_max_index]) + if (rep_lens[i] > rep_lens[rep_max_index]) rep_max_index = i; } @@ -326,8 +321,7 @@ if (len_main >= nice_len) { - *back_res = coder->matches[matches_count - 1].dist - + REP_DISTANCES; + *back_res = coder->matches[matches_count - 1].dist + REPS; *len_res = len_main; mf_skip(mf, len_main - 1); return UINT32_MAX; @@ -381,7 +375,7 @@ coder->opts[1].pos_prev = 0; - for (uint32_t i = 0; i < REP_DISTANCES; ++i) + for (uint32_t i = 0; i < REPS; ++i) coder->opts[0].backs[i] = coder->reps[i]; uint32_t len = len_end; @@ -390,7 +384,7 @@ } while (--len >= 2); - for (uint32_t i = 0; i < REP_DISTANCES; ++i) { + for (uint32_t i = 0; i < REPS; ++i) { uint32_t rep_len = rep_lens[i]; if (rep_len < 2) continue; @@ -426,14 +420,13 @@ for(; ; ++len) { const uint32_t dist = coder->matches[i].dist; const uint32_t cur_and_len_price = normal_match_price - + get_pos_len_price(coder, + + get_dist_len_price(coder, dist, len, pos_state); if (cur_and_len_price < coder->opts[len].price) { coder->opts[len].price = cur_and_len_price; coder->opts[len].pos_prev = 0; - coder->opts[len].back_prev - = dist + REP_DISTANCES; + coder->opts[len].back_prev = dist + REPS; coder->opts[len].prev_1_is_literal = false; } @@ -463,7 +456,7 @@ if (coder->opts[cur].prev_2) { state = coder->opts[coder->opts[cur].pos_prev_2].state; - if (coder->opts[cur].back_prev_2 < REP_DISTANCES) + if (coder->opts[cur].back_prev_2 < REPS) update_long_rep(state); else update_match(state); @@ -492,33 +485,33 @@ update_long_rep(state); } else { pos = coder->opts[cur].back_prev; - if (pos < REP_DISTANCES) + if (pos < REPS) update_long_rep(state); else update_match(state); } - if (pos < REP_DISTANCES) { + if (pos < REPS) { reps[0] = coder->opts[pos_prev].backs[pos]; uint32_t i; for (i = 1; i <= pos; ++i) reps[i] = coder->opts[pos_prev].backs[i - 1]; - for (; i < REP_DISTANCES; ++i) + for (; i < REPS; ++i) reps[i] = coder->opts[pos_prev].backs[i]; } else { - reps[0] = pos - REP_DISTANCES; + reps[0] = pos - REPS; - for (uint32_t i = 1; i < REP_DISTANCES; ++i) + for (uint32_t i = 1; i < REPS; ++i) reps[i] = coder->opts[pos_prev].backs[i - 1]; } } coder->opts[cur].state = state; - for (uint32_t i = 0; i < REP_DISTANCES; ++i) + for (uint32_t i = 0; i < REPS; ++i) coder->opts[cur].backs[i] = reps[i]; const uint32_t cur_price = coder->opts[cur].price; @@ -572,11 +565,7 @@ const uint8_t *const buf_back = buf - reps[0] - 1; const uint32_t limit = my_min(buf_avail_full, nice_len + 1); - uint32_t len_test = 1; - while (len_test < limit && buf[len_test] == buf_back[len_test]) - ++len_test; - - --len_test; + const uint32_t len_test = lzma_memcmplen(buf, buf_back, 1, limit) - 1; if (len_test >= 2) { lzma_lzma_state state_2 = state; @@ -611,15 +600,12 @@ uint32_t start_len = 2; // speed optimization - for (uint32_t rep_index = 0; rep_index < REP_DISTANCES; ++rep_index) { + for (uint32_t rep_index = 0; rep_index < REPS; ++rep_index) { const uint8_t *const buf_back = buf - reps[rep_index] - 1; if (not_equal_16(buf, buf_back)) continue; - uint32_t len_test; - for (len_test = 2; len_test < buf_avail - && buf[len_test] == buf_back[len_test]; - ++len_test) ; + uint32_t len_test = lzma_memcmplen(buf, buf_back, 2, buf_avail); while (len_end < cur + len_test) coder->opts[++len_end].price = RC_INFINITY_PRICE; @@ -728,14 +714,14 @@ for (uint32_t len_test = start_len; ; ++len_test) { const uint32_t cur_back = coder->matches[i].dist; uint32_t cur_and_len_price = normal_match_price - + get_pos_len_price(coder, + + get_dist_len_price(coder, cur_back, len_test, pos_state); if (cur_and_len_price < coder->opts[cur + len_test].price) { coder->opts[cur + len_test].price = cur_and_len_price; coder->opts[cur + len_test].pos_prev = cur; coder->opts[cur + len_test].back_prev - = cur_back + REP_DISTANCES; + = cur_back + REPS; coder->opts[cur + len_test].prev_1_is_literal = false; } @@ -795,7 +781,7 @@ coder->opts[offset].prev_2 = true; coder->opts[offset].pos_prev_2 = cur; coder->opts[offset].back_prev_2 - = cur_back + REP_DISTANCES; + = cur_back + REPS; } //} } @@ -831,9 +817,9 @@ // In liblzma they were moved into this single place. if (mf->read_ahead == 0) { if (coder->match_price_count >= (1 << 7)) - fill_distances_prices(coder); + fill_dist_prices(coder); - if (coder->align_price_count >= ALIGN_TABLE_SIZE) + if (coder->align_price_count >= ALIGN_SIZE) fill_align_prices(coder); } @@ -845,7 +831,7 @@ if (len_end == UINT32_MAX) return; - uint32_t reps[REP_DISTANCES]; + uint32_t reps[REPS]; memcpy(reps, coder->reps, sizeof(reps)); uint32_t cur; Index: contrib/xz/src/liblzma/lzma/lzma_encoder_private.h =================================================================== --- contrib/xz/src/liblzma/lzma/lzma_encoder_private.h +++ contrib/xz/src/liblzma/lzma/lzma_encoder_private.h @@ -64,7 +64,7 @@ uint32_t pos_prev; // pos_next; uint32_t back_prev; - uint32_t backs[REP_DISTANCES]; + uint32_t backs[REPS]; } lzma_optimal; @@ -77,7 +77,7 @@ lzma_lzma_state state; /// The four most recent match distances - uint32_t reps[REP_DISTANCES]; + uint32_t reps[REPS]; /// Array of match candidates lzma_match matches[MATCH_LEN_MAX + 1]; @@ -112,9 +112,9 @@ probability is_rep1[STATES]; probability is_rep2[STATES]; probability is_rep0_long[STATES][POS_STATES_MAX]; - probability pos_slot[LEN_TO_POS_STATES][POS_SLOTS]; - probability pos_special[FULL_DISTANCES - END_POS_MODEL_INDEX]; - probability pos_align[ALIGN_TABLE_SIZE]; + probability dist_slot[DIST_STATES][DIST_SLOTS]; + probability dist_special[FULL_DISTANCES - DIST_MODEL_END]; + probability dist_align[ALIGN_SIZE]; // These are the same as in lzma_decoder.c except that the encoders // include also price tables. @@ -122,12 +122,12 @@ lzma_length_encoder rep_len_encoder; // Price tables - uint32_t pos_slot_prices[LEN_TO_POS_STATES][POS_SLOTS]; - uint32_t distances_prices[LEN_TO_POS_STATES][FULL_DISTANCES]; + uint32_t dist_slot_prices[DIST_STATES][DIST_SLOTS]; + uint32_t dist_prices[DIST_STATES][FULL_DISTANCES]; uint32_t dist_table_size; uint32_t match_price_count; - uint32_t align_prices[ALIGN_TABLE_SIZE]; + uint32_t align_prices[ALIGN_SIZE]; uint32_t align_price_count; // Optimal Index: contrib/xz/src/liblzma/rangecoder/range_decoder.h =================================================================== --- contrib/xz/src/liblzma/rangecoder/range_decoder.h +++ contrib/xz/src/liblzma/rangecoder/range_decoder.h @@ -25,20 +25,26 @@ /// Reads the first five bytes to initialize the range decoder. -static inline bool +static inline lzma_ret rc_read_init(lzma_range_decoder *rc, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size) { while (rc->init_bytes_left > 0) { if (*in_pos == in_size) - return false; + return LZMA_OK; + + // The first byte is always 0x00. It could have been omitted + // in LZMA2 but it wasn't, so one byte is wasted in every + // LZMA2 chunk. + if (rc->init_bytes_left == 5 && in[*in_pos] != 0x00) + return LZMA_DATA_ERROR; rc->code = (rc->code << 8) | in[*in_pos]; ++*in_pos; --rc->init_bytes_left; } - return true; + return LZMA_STREAM_END; } Index: contrib/xz/src/liblzma/simple/arm.c =================================================================== --- contrib/xz/src/liblzma/simple/arm.c +++ contrib/xz/src/liblzma/simple/arm.c @@ -45,7 +45,7 @@ static lzma_ret -arm_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +arm_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, bool is_encoder) { return lzma_simple_coder_init(next, allocator, filters, @@ -54,7 +54,8 @@ extern lzma_ret -lzma_simple_arm_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_simple_arm_encoder_init(lzma_next_coder *next, + const lzma_allocator *allocator, const lzma_filter_info *filters) { return arm_coder_init(next, allocator, filters, true); @@ -62,7 +63,8 @@ extern lzma_ret -lzma_simple_arm_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_simple_arm_decoder_init(lzma_next_coder *next, + const lzma_allocator *allocator, const lzma_filter_info *filters) { return arm_coder_init(next, allocator, filters, false); Index: contrib/xz/src/liblzma/simple/armthumb.c =================================================================== --- contrib/xz/src/liblzma/simple/armthumb.c +++ contrib/xz/src/liblzma/simple/armthumb.c @@ -50,7 +50,7 @@ static lzma_ret -armthumb_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +armthumb_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, bool is_encoder) { return lzma_simple_coder_init(next, allocator, filters, @@ -60,7 +60,8 @@ extern lzma_ret lzma_simple_armthumb_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters) + const lzma_allocator *allocator, + const lzma_filter_info *filters) { return armthumb_coder_init(next, allocator, filters, true); } @@ -68,7 +69,8 @@ extern lzma_ret lzma_simple_armthumb_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters) + const lzma_allocator *allocator, + const lzma_filter_info *filters) { return armthumb_coder_init(next, allocator, filters, false); } Index: contrib/xz/src/liblzma/simple/ia64.c =================================================================== --- contrib/xz/src/liblzma/simple/ia64.c +++ contrib/xz/src/liblzma/simple/ia64.c @@ -86,7 +86,7 @@ static lzma_ret -ia64_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +ia64_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, bool is_encoder) { return lzma_simple_coder_init(next, allocator, filters, @@ -96,7 +96,8 @@ extern lzma_ret lzma_simple_ia64_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters) + const lzma_allocator *allocator, + const lzma_filter_info *filters) { return ia64_coder_init(next, allocator, filters, true); } @@ -104,7 +105,8 @@ extern lzma_ret lzma_simple_ia64_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters) + const lzma_allocator *allocator, + const lzma_filter_info *filters) { return ia64_coder_init(next, allocator, filters, false); } Index: contrib/xz/src/liblzma/simple/powerpc.c =================================================================== --- contrib/xz/src/liblzma/simple/powerpc.c +++ contrib/xz/src/liblzma/simple/powerpc.c @@ -49,7 +49,7 @@ static lzma_ret -powerpc_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +powerpc_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, bool is_encoder) { return lzma_simple_coder_init(next, allocator, filters, @@ -59,7 +59,8 @@ extern lzma_ret lzma_simple_powerpc_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters) + const lzma_allocator *allocator, + const lzma_filter_info *filters) { return powerpc_coder_init(next, allocator, filters, true); } @@ -67,7 +68,8 @@ extern lzma_ret lzma_simple_powerpc_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters) + const lzma_allocator *allocator, + const lzma_filter_info *filters) { return powerpc_coder_init(next, allocator, filters, false); } Index: contrib/xz/src/liblzma/simple/simple_coder.h =================================================================== --- contrib/xz/src/liblzma/simple/simple_coder.h +++ contrib/xz/src/liblzma/simple/simple_coder.h @@ -17,44 +17,56 @@ extern lzma_ret lzma_simple_x86_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_x86_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_powerpc_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_powerpc_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_ia64_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_ia64_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_arm_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_arm_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_armthumb_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_armthumb_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_sparc_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); extern lzma_ret lzma_simple_sparc_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters); + const lzma_allocator *allocator, + const lzma_filter_info *filters); #endif Index: contrib/xz/src/liblzma/simple/simple_coder.c =================================================================== --- contrib/xz/src/liblzma/simple/simple_coder.c +++ contrib/xz/src/liblzma/simple/simple_coder.c @@ -18,7 +18,7 @@ /// Copied or encodes/decodes more data to out[]. static lzma_ret -copy_or_code(lzma_coder *coder, lzma_allocator *allocator, +copy_or_code(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -66,7 +66,7 @@ static lzma_ret -simple_code(lzma_coder *coder, lzma_allocator *allocator, +simple_code(lzma_coder *coder, const lzma_allocator *allocator, const uint8_t *restrict in, size_t *restrict in_pos, size_t in_size, uint8_t *restrict out, size_t *restrict out_pos, size_t out_size, lzma_action action) @@ -198,7 +198,7 @@ static void -simple_coder_end(lzma_coder *coder, lzma_allocator *allocator) +simple_coder_end(lzma_coder *coder, const lzma_allocator *allocator) { lzma_next_end(&coder->next, allocator); lzma_free(coder->simple, allocator); @@ -208,7 +208,7 @@ static lzma_ret -simple_coder_update(lzma_coder *coder, lzma_allocator *allocator, +simple_coder_update(lzma_coder *coder, const lzma_allocator *allocator, const lzma_filter *filters_null lzma_attribute((__unused__)), const lzma_filter *reversed_filters) { @@ -219,7 +219,7 @@ extern lzma_ret -lzma_simple_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_simple_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, size_t (*filter)(lzma_simple *simple, uint32_t now_pos, bool is_encoder, uint8_t *buffer, size_t size), Index: contrib/xz/src/liblzma/simple/simple_decoder.h =================================================================== --- contrib/xz/src/liblzma/simple/simple_decoder.h +++ contrib/xz/src/liblzma/simple/simple_decoder.h @@ -16,7 +16,7 @@ #include "simple_coder.h" extern lzma_ret lzma_simple_props_decode( - void **options, lzma_allocator *allocator, + void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size); #endif Index: contrib/xz/src/liblzma/simple/simple_decoder.c =================================================================== --- contrib/xz/src/liblzma/simple/simple_decoder.c +++ contrib/xz/src/liblzma/simple/simple_decoder.c @@ -14,7 +14,7 @@ extern lzma_ret -lzma_simple_props_decode(void **options, lzma_allocator *allocator, +lzma_simple_props_decode(void **options, const lzma_allocator *allocator, const uint8_t *props, size_t props_size) { if (props_size == 0) Index: contrib/xz/src/liblzma/simple/simple_private.h =================================================================== --- contrib/xz/src/liblzma/simple/simple_private.h +++ contrib/xz/src/liblzma/simple/simple_private.h @@ -66,7 +66,8 @@ extern lzma_ret lzma_simple_coder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters, + const lzma_allocator *allocator, + const lzma_filter_info *filters, size_t (*filter)(lzma_simple *simple, uint32_t now_pos, bool is_encoder, uint8_t *buffer, size_t size), size_t simple_size, size_t unfiltered_max, Index: contrib/xz/src/liblzma/simple/sparc.c =================================================================== --- contrib/xz/src/liblzma/simple/sparc.c +++ contrib/xz/src/liblzma/simple/sparc.c @@ -57,7 +57,7 @@ static lzma_ret -sparc_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +sparc_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, bool is_encoder) { return lzma_simple_coder_init(next, allocator, filters, @@ -67,7 +67,8 @@ extern lzma_ret lzma_simple_sparc_encoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters) + const lzma_allocator *allocator, + const lzma_filter_info *filters) { return sparc_coder_init(next, allocator, filters, true); } @@ -75,7 +76,8 @@ extern lzma_ret lzma_simple_sparc_decoder_init(lzma_next_coder *next, - lzma_allocator *allocator, const lzma_filter_info *filters) + const lzma_allocator *allocator, + const lzma_filter_info *filters) { return sparc_coder_init(next, allocator, filters, false); } Index: contrib/xz/src/liblzma/simple/x86.c =================================================================== --- contrib/xz/src/liblzma/simple/x86.c +++ contrib/xz/src/liblzma/simple/x86.c @@ -123,7 +123,7 @@ static lzma_ret -x86_coder_init(lzma_next_coder *next, lzma_allocator *allocator, +x86_coder_init(lzma_next_coder *next, const lzma_allocator *allocator, const lzma_filter_info *filters, bool is_encoder) { const lzma_ret ret = lzma_simple_coder_init(next, allocator, filters, @@ -139,7 +139,8 @@ extern lzma_ret -lzma_simple_x86_encoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_simple_x86_encoder_init(lzma_next_coder *next, + const lzma_allocator *allocator, const lzma_filter_info *filters) { return x86_coder_init(next, allocator, filters, true); @@ -147,7 +148,8 @@ extern lzma_ret -lzma_simple_x86_decoder_init(lzma_next_coder *next, lzma_allocator *allocator, +lzma_simple_x86_decoder_init(lzma_next_coder *next, + const lzma_allocator *allocator, const lzma_filter_info *filters) { return x86_coder_init(next, allocator, filters, false); Index: contrib/xz/src/xz/args.h =================================================================== --- contrib/xz/src/xz/args.h +++ contrib/xz/src/xz/args.h @@ -36,7 +36,9 @@ extern bool opt_keep_original; // extern bool opt_recursive; extern bool opt_robot; +extern bool opt_ignore_check; extern const char stdin_filename[]; extern void args_parse(args_info *args, int argc, char **argv); +extern void args_free(void); Index: contrib/xz/src/xz/args.c =================================================================== --- contrib/xz/src/xz/args.c +++ contrib/xz/src/xz/args.c @@ -22,6 +22,7 @@ bool opt_force = false; bool opt_keep_original = false; bool opt_robot = false; +bool opt_ignore_check = false; // We don't modify or free() this, but we need to assign it in some // non-const pointers. @@ -55,6 +56,67 @@ static void +parse_block_list(char *str) +{ + // It must be non-empty and not begin with a comma. + if (str[0] == '\0' || str[0] == ',') + message_fatal(_("%s: Invalid argument to --block-list"), str); + + // Count the number of comma-separated strings. + size_t count = 1; + for (size_t i = 0; str[i] != '\0'; ++i) + if (str[i] == ',') + ++count; + + // Prevent an unlikely integer overflow. + if (count > SIZE_MAX / sizeof(uint64_t) - 1) + message_fatal(_("%s: Too many arguments to --block-list"), + str); + + // Allocate memory to hold all the sizes specified. + // If --block-list was specified already, its value is forgotten. + free(opt_block_list); + opt_block_list = xmalloc((count + 1) * sizeof(uint64_t)); + + for (size_t i = 0; i < count; ++i) { + // Locate the next comma and replace it with \0. + char *p = strchr(str, ','); + if (p != NULL) + *p = '\0'; + + if (str[0] == '\0') { + // There is no string, that is, a comma follows + // another comma. Use the previous value. + // + // NOTE: We checked earler that the first char + // of the whole list cannot be a comma. + assert(i > 0); + opt_block_list[i] = opt_block_list[i - 1]; + } else { + opt_block_list[i] = str_to_uint64("block-list", str, + 0, UINT64_MAX); + + // Zero indicates no more new Blocks. + if (opt_block_list[i] == 0) { + if (i + 1 != count) + message_fatal(_("0 can only be used " + "as the last element " + "in --block-list")); + + opt_block_list[i] = UINT64_MAX; + } + } + + str = p + 1; + } + + // Terminate the array. + opt_block_list[count] = 0; + return; +} + + +static void parse_real(args_info *args, int argc, char **argv) { enum { @@ -68,14 +130,19 @@ OPT_LZMA1, OPT_LZMA2, + OPT_SINGLE_STREAM, OPT_NO_SPARSE, OPT_FILES, OPT_FILES0, + OPT_BLOCK_SIZE, + OPT_BLOCK_LIST, OPT_MEM_COMPRESS, OPT_MEM_DECOMPRESS, OPT_NO_ADJUST, OPT_INFO_MEMORY, OPT_ROBOT, + OPT_FLUSH_TIMEOUT, + OPT_IGNORE_CHECK, }; static const char short_opts[] @@ -94,6 +161,7 @@ { "force", no_argument, NULL, 'f' }, { "stdout", no_argument, NULL, 'c' }, { "to-stdout", no_argument, NULL, 'c' }, + { "single-stream", no_argument, NULL, OPT_SINGLE_STREAM }, { "no-sparse", no_argument, NULL, OPT_NO_SPARSE }, { "suffix", required_argument, NULL, 'S' }, // { "recursive", no_argument, NULL, 'r' }, // TODO @@ -103,12 +171,16 @@ // Basic compression settings { "format", required_argument, NULL, 'F' }, { "check", required_argument, NULL, 'C' }, + { "ignore-check", no_argument, NULL, OPT_IGNORE_CHECK }, + { "block-size", required_argument, NULL, OPT_BLOCK_SIZE }, + { "block-list", required_argument, NULL, OPT_BLOCK_LIST }, { "memlimit-compress", required_argument, NULL, OPT_MEM_COMPRESS }, { "memlimit-decompress", required_argument, NULL, OPT_MEM_DECOMPRESS }, { "memlimit", required_argument, NULL, 'M' }, { "memory", required_argument, NULL, 'M' }, // Old alias { "no-adjust", no_argument, NULL, OPT_NO_ADJUST }, { "threads", required_argument, NULL, 'T' }, + { "flush-timeout", required_argument, NULL, OPT_FLUSH_TIMEOUT }, { "extreme", no_argument, NULL, 'e' }, { "fast", no_argument, NULL, '0' }, @@ -175,8 +247,9 @@ break; case 'T': - hardware_threadlimit_set(str_to_uint64( - "threads", optarg, 0, UINT32_MAX)); + // The max is from src/liblzma/common/common.h. + hardware_threads_set(str_to_uint64("threads", + optarg, 0, 16384)); break; // --version @@ -368,6 +441,24 @@ break; } + case OPT_IGNORE_CHECK: + opt_ignore_check = true; + break; + + case OPT_BLOCK_SIZE: + opt_block_size = str_to_uint64("block-size", optarg, + 0, LZMA_VLI_MAX); + break; + + case OPT_BLOCK_LIST: { + parse_block_list(optarg); + break; + } + + case OPT_SINGLE_STREAM: + opt_single_stream = true; + break; + case OPT_NO_SPARSE: io_no_sparse(); break; @@ -401,6 +492,11 @@ opt_auto_adjust = false; break; + case OPT_FLUSH_TIMEOUT: + opt_flush_timeout = str_to_uint64("flush-timeout", + optarg, 0, UINT64_MAX); + break; + default: message_try_help(); tuklib_exit(E_ERROR, E_ERROR, false); @@ -576,3 +672,13 @@ return; } + + +#ifndef NDEBUG +extern void +args_free(void) +{ + free(opt_block_list); + return; +} +#endif Index: contrib/xz/src/xz/coder.h =================================================================== --- contrib/xz/src/xz/coder.h +++ contrib/xz/src/xz/coder.h @@ -41,6 +41,16 @@ /// they exceed the memory usage limit. extern bool opt_auto_adjust; +/// If true, stop after decoding the first stream. +extern bool opt_single_stream; + +/// If non-zero, start a new .xz Block after every opt_block_size bytes +/// of input. This has an effect only when compressing to the .xz format. +extern uint64_t opt_block_size; + +/// This is non-NULL if --block-list was used. This contains the Block sizes +/// as an array that is terminated with 0. +extern uint64_t *opt_block_list; /// Set the integrity check type used when compressing extern void coder_set_check(lzma_check check); @@ -59,3 +69,8 @@ /// Compress or decompress the given file extern void coder_run(const char *filename); + +#ifndef NDEBUG +/// Free the memory allocated for the coder and kill the worker threads. +extern void coder_free(void); +#endif Index: contrib/xz/src/xz/coder.c =================================================================== --- contrib/xz/src/xz/coder.c +++ contrib/xz/src/xz/coder.c @@ -24,6 +24,9 @@ enum operation_mode opt_mode = MODE_COMPRESS; enum format_type opt_format = FORMAT_AUTO; bool opt_auto_adjust = true; +bool opt_single_stream = false; +uint64_t opt_block_size = 0; +uint64_t *opt_block_list = NULL; /// Stream used to communicate with liblzma @@ -48,6 +51,14 @@ /// This becomes false if the --check=CHECK option is used. static bool check_default = true; +#ifdef MYTHREAD_ENABLED +static lzma_mt mt_options = { + .flags = 0, + .timeout = 300, + .filters = filters, +}; +#endif + extern void coder_set_check(lzma_check new_check) @@ -125,6 +136,15 @@ extern void coder_set_compression_settings(void) { + // The default check type is CRC64, but fallback to CRC32 + // if CRC64 isn't supported by the copy of liblzma we are + // using. CRC32 is always supported. + if (check_default) { + check = LZMA_CHECK_CRC64; + if (!lzma_check_is_supported(check)) + check = LZMA_CHECK_CRC32; + } + // Options for LZMA1 or LZMA2 in case we are using a preset. static lzma_options_lzma opt_lzma; @@ -175,15 +195,53 @@ // Print the selected filter chain. message_filters_show(V_DEBUG, filters); - // If using --format=raw, we can be decoding. The memusage function - // also validates the filter chain and the options used for the - // filters. + // The --flush-timeout option requires LZMA_SYNC_FLUSH support + // from the filter chain. Currently threaded encoder doesn't support + // LZMA_SYNC_FLUSH so single-threaded mode must be used. + if (opt_mode == MODE_COMPRESS && opt_flush_timeout != 0) { + for (size_t i = 0; i < filters_count; ++i) { + switch (filters[i].id) { + case LZMA_FILTER_LZMA2: + case LZMA_FILTER_DELTA: + break; + + default: + message_fatal(_("The filter chain is " + "incompatible with --flush-timeout")); + } + } + + if (hardware_threads_get() > 1) { + message(V_WARNING, _("Switching to single-threaded " + "mode due to --flush-timeout")); + hardware_threads_set(1); + } + } + + // Get the memory usage. Note that if --format=raw was used, + // we can be decompressing. const uint64_t memory_limit = hardware_memlimit_get(opt_mode); uint64_t memory_usage; - if (opt_mode == MODE_COMPRESS) - memory_usage = lzma_raw_encoder_memusage(filters); - else + if (opt_mode == MODE_COMPRESS) { +#ifdef MYTHREAD_ENABLED + if (opt_format == FORMAT_XZ && hardware_threads_get() > 1) { + mt_options.threads = hardware_threads_get(); + mt_options.block_size = opt_block_size; + mt_options.check = check; + memory_usage = lzma_stream_encoder_mt_memusage( + &mt_options); + if (memory_usage != UINT64_MAX) + message(V_DEBUG, _("Using up to %" PRIu32 + " threads."), + mt_options.threads); + } else +#endif + { + memory_usage = lzma_raw_encoder_memusage(filters); + } + } else { memory_usage = lzma_raw_decoder_memusage(filters); + } if (memory_usage == UINT64_MAX) message_fatal(_("Unsupported filter chain or filter options")); @@ -199,90 +257,99 @@ round_up_to_mib(decmem), 0)); } - if (memory_usage > memory_limit) { - // If --no-adjust was used or we didn't find LZMA1 or - // LZMA2 as the last filter, give an error immediately. - // --format=raw implies --no-adjust. - if (!opt_auto_adjust || opt_format == FORMAT_RAW) - memlimit_too_small(memory_usage); - - assert(opt_mode == MODE_COMPRESS); - - // Look for the last filter if it is LZMA2 or LZMA1, so - // we can make it use less RAM. With other filters we don't - // know what to do. - size_t i = 0; - while (filters[i].id != LZMA_FILTER_LZMA2 - && filters[i].id != LZMA_FILTER_LZMA1) { - if (filters[i].id == LZMA_VLI_UNKNOWN) - memlimit_too_small(memory_usage); - - ++i; - } + if (memory_usage <= memory_limit) + return; - // Decrease the dictionary size until we meet the memory - // usage limit. First round down to full mebibytes. - lzma_options_lzma *opt = filters[i].options; - const uint32_t orig_dict_size = opt->dict_size; - opt->dict_size &= ~((UINT32_C(1) << 20) - 1); - while (true) { - // If it is below 1 MiB, auto-adjusting failed. We - // could be more sophisticated and scale it down even - // more, but let's see if many complain about this - // version. - // - // FIXME: Displays the scaled memory usage instead - // of the original. - if (opt->dict_size < (UINT32_C(1) << 20)) + // If --no-adjust was used or we didn't find LZMA1 or + // LZMA2 as the last filter, give an error immediately. + // --format=raw implies --no-adjust. + if (!opt_auto_adjust || opt_format == FORMAT_RAW) + memlimit_too_small(memory_usage); + + assert(opt_mode == MODE_COMPRESS); + +#ifdef MYTHREAD_ENABLED + if (opt_format == FORMAT_XZ && mt_options.threads > 1) { + // Try to reduce the number of threads before + // adjusting the compression settings down. + do { + // FIXME? The real single-threaded mode has + // lower memory usage, but it's not comparable + // because it doesn't write the size info + // into Block Headers. + if (--mt_options.threads == 0) memlimit_too_small(memory_usage); - memory_usage = lzma_raw_encoder_memusage(filters); + memory_usage = lzma_stream_encoder_mt_memusage( + &mt_options); if (memory_usage == UINT64_MAX) message_bug(); - // Accept it if it is low enough. - if (memory_usage <= memory_limit) - break; + } while (memory_usage > memory_limit); - // Otherwise 1 MiB down and try again. I hope this - // isn't too slow method for cases where the original - // dict_size is very big. - opt->dict_size -= UINT32_C(1) << 20; - } - - // Tell the user that we decreased the dictionary size. - message(V_WARNING, _("Adjusted LZMA%c dictionary size " - "from %s MiB to %s MiB to not exceed " - "the memory usage limit of %s MiB"), - filters[i].id == LZMA_FILTER_LZMA2 - ? '2' : '1', - uint64_to_str(orig_dict_size >> 20, 0), - uint64_to_str(opt->dict_size >> 20, 1), - uint64_to_str(round_up_to_mib( - memory_limit), 2)); - } - -/* - // Limit the number of worker threads so that memory usage - // limit isn't exceeded. - assert(memory_usage > 0); - size_t thread_limit = memory_limit / memory_usage; - if (thread_limit == 0) - thread_limit = 1; - - if (opt_threads > thread_limit) - opt_threads = thread_limit; -*/ + message(V_WARNING, _("Adjusted the number of threads " + "from %s to %s to not exceed " + "the memory usage limit of %s MiB"), + uint64_to_str(hardware_threads_get(), 0), + uint64_to_str(mt_options.threads, 1), + uint64_to_str(round_up_to_mib( + memory_limit), 2)); + } +#endif - if (check_default) { - // The default check type is CRC64, but fallback to CRC32 - // if CRC64 isn't supported by the copy of liblzma we are - // using. CRC32 is always supported. - check = LZMA_CHECK_CRC64; - if (!lzma_check_is_supported(check)) - check = LZMA_CHECK_CRC32; + if (memory_usage <= memory_limit) + return; + + // Look for the last filter if it is LZMA2 or LZMA1, so we can make + // it use less RAM. With other filters we don't know what to do. + size_t i = 0; + while (filters[i].id != LZMA_FILTER_LZMA2 + && filters[i].id != LZMA_FILTER_LZMA1) { + if (filters[i].id == LZMA_VLI_UNKNOWN) + memlimit_too_small(memory_usage); + + ++i; } + // Decrease the dictionary size until we meet the memory + // usage limit. First round down to full mebibytes. + lzma_options_lzma *opt = filters[i].options; + const uint32_t orig_dict_size = opt->dict_size; + opt->dict_size &= ~((UINT32_C(1) << 20) - 1); + while (true) { + // If it is below 1 MiB, auto-adjusting failed. We could be + // more sophisticated and scale it down even more, but let's + // see if many complain about this version. + // + // FIXME: Displays the scaled memory usage instead + // of the original. + if (opt->dict_size < (UINT32_C(1) << 20)) + memlimit_too_small(memory_usage); + + memory_usage = lzma_raw_encoder_memusage(filters); + if (memory_usage == UINT64_MAX) + message_bug(); + + // Accept it if it is low enough. + if (memory_usage <= memory_limit) + break; + + // Otherwise 1 MiB down and try again. I hope this + // isn't too slow method for cases where the original + // dict_size is very big. + opt->dict_size -= UINT32_C(1) << 20; + } + + // Tell the user that we decreased the dictionary size. + message(V_WARNING, _("Adjusted LZMA%c dictionary size " + "from %s MiB to %s MiB to not exceed " + "the memory usage limit of %s MiB"), + filters[i].id == LZMA_FILTER_LZMA2 + ? '2' : '1', + uint64_to_str(orig_dict_size >> 20, 0), + uint64_to_str(opt->dict_size >> 20, 1), + uint64_to_str(round_up_to_mib(memory_limit), 2)); + return; } @@ -364,7 +431,14 @@ break; case FORMAT_XZ: - ret = lzma_stream_encoder(&strm, filters, check); +#ifdef MYTHREAD_ENABLED + if (hardware_threads_get() > 1) + ret = lzma_stream_encoder_mt( + &strm, &mt_options); + else +#endif + ret = lzma_stream_encoder( + &strm, filters, check); break; case FORMAT_LZMA: @@ -376,8 +450,17 @@ break; } } else { - const uint32_t flags = LZMA_TELL_UNSUPPORTED_CHECK - | LZMA_CONCATENATED; + uint32_t flags = 0; + + // It seems silly to warn about unsupported check if the + // check won't be verified anyway due to --ignore-check. + if (opt_ignore_check) + flags |= LZMA_IGNORE_CHECK; + else + flags |= LZMA_TELL_UNSUPPORTED_CHECK; + + if (!opt_single_stream) + flags |= LZMA_CONCATENATED; // We abuse FORMAT_AUTO to indicate unknown file format, // for which we may consider passthru mode. @@ -408,7 +491,7 @@ switch (init_format) { case FORMAT_AUTO: - // Uknown file format. If --decompress --stdout + // Unknown file format. If --decompress --stdout // --force have been given, then we copy the input // as is to stdout. Checking for MODE_DECOMPRESS // is needed, because we don't want to do use @@ -462,6 +545,56 @@ } +/// Resolve conflicts between opt_block_size and opt_block_list in single +/// threaded mode. We want to default to opt_block_list, except when it is +/// larger than opt_block_size. If this is the case for the current Block +/// at *list_pos, then we break into smaller Blocks. Otherwise advance +/// to the next Block in opt_block_list, and break apart if needed. +static void +split_block(uint64_t *block_remaining, + uint64_t *next_block_remaining, + size_t *list_pos) +{ + if (*next_block_remaining > 0) { + // The Block at *list_pos has previously been split up. + assert(hardware_threads_get() == 1); + assert(opt_block_size > 0); + assert(opt_block_list != NULL); + + if (*next_block_remaining > opt_block_size) { + // We have to split the current Block at *list_pos + // into another opt_block_size length Block. + *block_remaining = opt_block_size; + } else { + // This is the last remaining split Block for the + // Block at *list_pos. + *block_remaining = *next_block_remaining; + } + + *next_block_remaining -= *block_remaining; + + } else { + // The Block at *list_pos has been finished. Go to the next + // entry in the list. If the end of the list has been reached, + // reuse the size of the last Block. + if (opt_block_list[*list_pos + 1] != 0) + ++*list_pos; + + *block_remaining = opt_block_list[*list_pos]; + + // If in single-threaded mode, split up the Block if needed. + // This is not needed in multi-threaded mode because liblzma + // will do this due to how threaded encoding works. + if (hardware_threads_get() == 1 && opt_block_size > 0 + && *block_remaining > opt_block_size) { + *next_block_remaining + = *block_remaining - opt_block_size; + *block_remaining = opt_block_size; + } + } +} + + /// Compress or decompress using liblzma. static bool coder_normal(file_pair *pair) @@ -469,8 +602,8 @@ // Encoder needs to know when we have given all the input to it. // The decoders need to know it too when we are using // LZMA_CONCATENATED. We need to check for src_eof here, because - // the first input chunk has been already read, and that may - // have been the only chunk we will read. + // the first input chunk has been already read if decompressing, + // and that may have been the only chunk we will read. lzma_action action = pair->src_eof ? LZMA_FINISH : LZMA_RUN; lzma_ret ret; @@ -478,22 +611,77 @@ // Assume that something goes wrong. bool success = false; + // block_remaining indicates how many input bytes to encode before + // finishing the current .xz Block. The Block size is set with + // --block-size=SIZE and --block-list. They have an effect only when + // compressing to the .xz format. If block_remaining == UINT64_MAX, + // only a single block is created. + uint64_t block_remaining = UINT64_MAX; + + // next_block_remining for when we are in single-threaded mode and + // the Block in --block-list is larger than the --block-size=SIZE. + uint64_t next_block_remaining = 0; + + // Position in opt_block_list. Unused if --block-list wasn't used. + size_t list_pos = 0; + + // Handle --block-size for single-threaded mode and the first step + // of --block-list. + if (opt_mode == MODE_COMPRESS && opt_format == FORMAT_XZ) { + // --block-size doesn't do anything here in threaded mode, + // because the threaded encoder will take care of splitting + // to fixed-sized Blocks. + if (hardware_threads_get() == 1 && opt_block_size > 0) + block_remaining = opt_block_size; + + // If --block-list was used, start with the first size. + // + // For threaded case, --block-size specifies how big Blocks + // the encoder needs to be prepared to create at maximum + // and --block-list will simultaneously cause new Blocks + // to be started at specified intervals. To keep things + // logical, the same is done in single-threaded mode. The + // output is still not identical because in single-threaded + // mode the size info isn't written into Block Headers. + if (opt_block_list != NULL) { + if (block_remaining < opt_block_list[list_pos]) { + assert(hardware_threads_get() == 1); + next_block_remaining = opt_block_list[list_pos] + - block_remaining; + } else { + block_remaining = opt_block_list[list_pos]; + } + } + } + strm.next_out = out_buf.u8; strm.avail_out = IO_BUFFER_SIZE; while (!user_abort) { - // Fill the input buffer if it is empty and we haven't reached - // end of file yet. - if (strm.avail_in == 0 && !pair->src_eof) { + // Fill the input buffer if it is empty and we aren't + // flushing or finishing. + if (strm.avail_in == 0 && action == LZMA_RUN) { strm.next_in = in_buf.u8; - strm.avail_in = io_read( - pair, &in_buf, IO_BUFFER_SIZE); + strm.avail_in = io_read(pair, &in_buf, + my_min(block_remaining, + IO_BUFFER_SIZE)); if (strm.avail_in == SIZE_MAX) break; - if (pair->src_eof) + if (pair->src_eof) { action = LZMA_FINISH; + + } else if (block_remaining != UINT64_MAX) { + // Start a new Block after every + // opt_block_size bytes of input. + block_remaining -= strm.avail_in; + if (block_remaining == 0) + action = LZMA_FULL_BARRIER; + } + + if (action == LZMA_RUN && flush_needed) + action = LZMA_SYNC_FLUSH; } // Let liblzma do the actual work. @@ -509,7 +697,39 @@ strm.avail_out = IO_BUFFER_SIZE; } - if (ret != LZMA_OK) { + if (ret == LZMA_STREAM_END && (action == LZMA_SYNC_FLUSH + || action == LZMA_FULL_BARRIER)) { + if (action == LZMA_SYNC_FLUSH) { + // Flushing completed. Write the pending data + // out immediatelly so that the reading side + // can decompress everything compressed so far. + if (io_write(pair, &out_buf, IO_BUFFER_SIZE + - strm.avail_out)) + break; + + strm.next_out = out_buf.u8; + strm.avail_out = IO_BUFFER_SIZE; + + // Set the time of the most recent flushing. + mytime_set_flush_time(); + } else { + // Start a new Block after LZMA_FULL_BARRIER. + if (opt_block_list == NULL) { + assert(hardware_threads_get() == 1); + assert(opt_block_size > 0); + block_remaining = opt_block_size; + } else { + split_block(&block_remaining, + &next_block_remaining, + &list_pos); + } + } + + // Start a new Block after LZMA_FULL_FLUSH or continue + // the same block after LZMA_SYNC_FLUSH. + action = LZMA_RUN; + + } else if (ret != LZMA_OK) { // Determine if the return value indicates that we // won't continue coding. const bool stop = ret != LZMA_NO_CHECK @@ -528,6 +748,12 @@ } if (ret == LZMA_STREAM_END) { + if (opt_single_stream) { + io_fix_src_pos(pair, strm.avail_in); + success = true; + break; + } + // Check that there is no trailing garbage. // This is needed for LZMA_Alone and raw // streams. @@ -630,10 +856,15 @@ // Assume that something goes wrong. bool success = false; - // Read the first chunk of input data. This is needed to detect - // the input file type (for now, only for decompression). - strm.next_in = in_buf.u8; - strm.avail_in = io_read(pair, &in_buf, IO_BUFFER_SIZE); + if (opt_mode == MODE_COMPRESS) { + strm.next_in = NULL; + strm.avail_in = 0; + } else { + // Read the first chunk of input data. This is needed + // to detect the input file type. + strm.next_in = in_buf.u8; + strm.avail_in = io_read(pair, &in_buf, IO_BUFFER_SIZE); + } if (strm.avail_in != SIZE_MAX) { // Initialize the coder. This will detect the file format @@ -648,6 +879,11 @@ // Don't open the destination file when --test // is used. if (opt_mode == MODE_TEST || !io_open_dest(pair)) { + // Remember the current time. It is needed + // for progress indicator and for timed + // flushing. + mytime_set_start_time(); + // Initialize the progress indicator. const uint64_t in_size = pair->src_st.st_size <= 0 @@ -671,3 +907,13 @@ return; } + + +#ifndef NDEBUG +extern void +coder_free(void) +{ + lzma_end(&strm); + return; +} +#endif Index: contrib/xz/src/xz/file_io.h =================================================================== --- contrib/xz/src/xz/file_io.h +++ contrib/xz/src/xz/file_io.h @@ -68,6 +68,14 @@ extern void io_init(void); +#ifndef TUKLIB_DOSLIKE +/// \brief Write a byte to user_abort_pipe[1] +/// +/// This is called from a signal handler. +extern void io_write_to_user_abort_pipe(void); +#endif + + /// \brief Disable creation of sparse files when decompressing extern void io_no_sparse(void); @@ -102,6 +110,19 @@ extern size_t io_read(file_pair *pair, io_buf *buf, size_t size); +/// \brief Fix the position in src_fd +/// +/// This is used when --single-thream has been specified and decompression +/// is successful. If the input file descriptor supports seeking, this +/// function fixes the input position to point to the next byte after the +/// decompressed stream. +/// +/// \param pair File pair having the source file open for reading +/// \param rewind_size How many bytes of extra have been read i.e. +/// how much to seek backwards. +extern void io_fix_src_pos(file_pair *pair, size_t rewind_size); + + /// \brief Read from source file from given offset to a buffer /// /// This is remotely similar to standard pread(). This uses lseek() though, Index: contrib/xz/src/xz/file_io.c =================================================================== --- contrib/xz/src/xz/file_io.c +++ contrib/xz/src/xz/file_io.c @@ -17,6 +17,7 @@ #ifdef TUKLIB_DOSLIKE # include #else +# include static bool warn_fchown; #endif @@ -37,14 +38,30 @@ #endif +typedef enum { + IO_WAIT_MORE, // Reading or writing is possible. + IO_WAIT_ERROR, // Error or user_abort + IO_WAIT_TIMEOUT, // poll() timed out +} io_wait_ret; + + /// If true, try to create sparse files when decompressing. static bool try_sparse = true; #ifndef TUKLIB_DOSLIKE +/// File status flags of standard input. This is used by io_open_src() +/// and io_close_src(). +static int stdin_flags; +static bool restore_stdin_flags = false; + /// Original file status flags of standard output. This is used by /// io_open_dest() and io_close_dest() to save and restore the flags. static int stdout_flags; static bool restore_stdout_flags = false; + +/// Self-pipe used together with the user_abort variable to avoid +/// race conditions with signal handling. +static int user_abort_pipe[2]; #endif @@ -64,19 +81,43 @@ // If fchown() fails setting the owner, we warn about it only if // we are root. warn_fchown = geteuid() == 0; + + if (pipe(user_abort_pipe) + || fcntl(user_abort_pipe[0], F_SETFL, O_NONBLOCK) + == -1 + || fcntl(user_abort_pipe[1], F_SETFL, O_NONBLOCK) + == -1) + message_fatal(_("Error creating a pipe: %s"), + strerror(errno)); #endif #ifdef __DJGPP__ // Avoid doing useless things when statting files. // This isn't important but doesn't hurt. - _djstat_flags = _STAT_INODE | _STAT_EXEC_EXT - | _STAT_EXEC_MAGIC | _STAT_DIRSIZE; + _djstat_flags = _STAT_EXEC_EXT | _STAT_EXEC_MAGIC | _STAT_DIRSIZE; #endif return; } +#ifndef TUKLIB_DOSLIKE +extern void +io_write_to_user_abort_pipe(void) +{ + // If the write() fails, it's probably due to the pipe being full. + // Failing in that case is fine. If the reason is something else, + // there's not much we can do since this is called in a signal + // handler. So ignore the errors and try to avoid warnings with + // GCC and glibc when _FORTIFY_SOURCE=2 is used. + uint8_t b = '\0'; + const int ret = write(user_abort_pipe[1], &b, 1); + (void)ret; + return; +} +#endif + + extern void io_no_sparse(void) { @@ -85,6 +126,63 @@ } +#ifndef TUKLIB_DOSLIKE +/// \brief Waits for input or output to become available or for a signal +/// +/// This uses the self-pipe trick to avoid a race condition that can occur +/// if a signal is caught after user_abort has been checked but before e.g. +/// read() has been called. In that situation read() could block unless +/// non-blocking I/O is used. With non-blocking I/O something like select() +/// or poll() is needed to avoid a busy-wait loop, and the same race condition +/// pops up again. There are pselect() (POSIX-1.2001) and ppoll() (not in +/// POSIX) but neither is portable enough in 2013. The self-pipe trick is +/// old and very portable. +static io_wait_ret +io_wait(file_pair *pair, int timeout, bool is_reading) +{ + struct pollfd pfd[2]; + + if (is_reading) { + pfd[0].fd = pair->src_fd; + pfd[0].events = POLLIN; + } else { + pfd[0].fd = pair->dest_fd; + pfd[0].events = POLLOUT; + } + + pfd[1].fd = user_abort_pipe[0]; + pfd[1].events = POLLIN; + + while (true) { + const int ret = poll(pfd, 2, timeout); + + if (user_abort) + return IO_WAIT_ERROR; + + if (ret == -1) { + if (errno == EINTR || errno == EAGAIN) + continue; + + message_error(_("%s: poll() failed: %s"), + is_reading ? pair->src_name + : pair->dest_name, + strerror(errno)); + return IO_WAIT_ERROR; + } + + if (ret == 0) { + assert(opt_flush_timeout != 0); + flush_needed = true; + return IO_WAIT_TIMEOUT; + } + + if (pfd[0].revents != 0) + return IO_WAIT_MORE; + } +} +#endif + + /// \brief Unlink a file /// /// This tries to verify that the file being unlinked really is the file that @@ -294,6 +392,31 @@ pair->src_fd = STDIN_FILENO; #ifdef TUKLIB_DOSLIKE setmode(STDIN_FILENO, O_BINARY); +#else + // Enable O_NONBLOCK for stdin. + stdin_flags = fcntl(STDIN_FILENO, F_GETFL); + if (stdin_flags == -1) { + message_error(_("Error getting the file status flags " + "from standard input: %s"), + strerror(errno)); + return true; + } + + if ((stdin_flags & O_NONBLOCK) == 0) { + if (fcntl(STDIN_FILENO, F_SETFL, + stdin_flags | O_NONBLOCK) == -1) { + message_error(_("Error setting O_NONBLOCK " + "on standard input: %s"), + strerror(errno)); + return true; + } + + restore_stdin_flags = true; + } +#endif +#ifdef HAVE_POSIX_FADVISE + // It will fail if stdin is a pipe and that's fine. + (void)posix_fadvise(STDIN_FILENO, 0, 0, POSIX_FADV_SEQUENTIAL); #endif return false; } @@ -311,13 +434,12 @@ int flags = O_RDONLY | O_BINARY | O_NOCTTY; #ifndef TUKLIB_DOSLIKE - // If we accept only regular files, we need to be careful to avoid - // problems with special files like devices and FIFOs. O_NONBLOCK - // prevents blocking when opening such files. When we want to accept - // special files, we must not use O_NONBLOCK, or otherwise we won't - // block waiting e.g. FIFOs to become readable. - if (reg_files_only) - flags |= O_NONBLOCK; + // Use non-blocking I/O: + // - It prevents blocking when opening FIFOs and some other + // special files, which is good if we want to accept only + // regular files. + // - It can help avoiding some race conditions with signal handling. + flags |= O_NONBLOCK; #endif #if defined(O_NOFOLLOW) @@ -345,30 +467,13 @@ (void)follow_symlinks; #endif - // Try to open the file. If we are accepting non-regular files, - // unblock the caught signals so that open() can be interrupted - // if it blocks e.g. due to a FIFO file. - if (!reg_files_only) - signals_unblock(); - - // Maybe this wouldn't need a loop, since all the signal handlers for - // which we don't use SA_RESTART set user_abort to true. But it - // doesn't hurt to have it just in case. - do { - pair->src_fd = open(pair->src_name, flags); - } while (pair->src_fd == -1 && errno == EINTR && !user_abort); - - if (!reg_files_only) - signals_block(); + // Try to open the file. Signals have been blocked so EINTR shouldn't + // be possible. + pair->src_fd = open(pair->src_name, flags); if (pair->src_fd == -1) { - // If we were interrupted, don't display any error message. - if (errno == EINTR) { - // All the signals that don't have SA_RESTART - // set user_abort. - assert(user_abort); - return true; - } + // Signals (that have a signal handler) have been blocked. + assert(errno != EINTR); #ifdef O_NOFOLLOW // Give an understandable error message if the reason @@ -427,26 +532,20 @@ return true; } -#ifndef TUKLIB_DOSLIKE - // Drop O_NONBLOCK, which is used only when we are accepting only - // regular files. After the open() call, we want things to block - // instead of giving EAGAIN. - if (reg_files_only) { - flags = fcntl(pair->src_fd, F_GETFL); - if (flags == -1) - goto error_msg; - - flags &= ~O_NONBLOCK; - - if (fcntl(pair->src_fd, F_SETFL, flags) == -1) - goto error_msg; - } -#endif - // Stat the source file. We need the result also when we copy // the permissions, and when unlinking. + // + // NOTE: Use stat() instead of fstat() with DJGPP, because + // then we have a better chance to get st_ino value that can + // be used in io_open_dest_real() to prevent overwriting the + // source file. +#ifdef __DJGPP__ + if (stat(pair->src_name, &pair->src_st)) + goto error_msg; +#else if (fstat(pair->src_fd, &pair->src_st)) goto error_msg; +#endif if (S_ISDIR(pair->src_st.st_mode)) { message_warning(_("%s: Is a directory, skipping"), @@ -492,6 +591,23 @@ goto error; } } + + // If it is something else than a regular file, wait until + // there is input available. This way reading from FIFOs + // will work when open() is used with O_NONBLOCK. + if (!S_ISREG(pair->src_st.st_mode)) { + signals_unblock(); + const io_wait_ret ret = io_wait(pair, -1, true); + signals_block(); + + if (ret != IO_WAIT_MORE) + goto error; + } +#endif + +#ifdef HAVE_POSIX_FADVISE + // It will fail with some special files like FIFOs but that is fine. + (void)posix_fadvise(pair->src_fd, 0, 0, POSIX_FADV_SEQUENTIAL); #endif return false; @@ -542,6 +658,19 @@ static void io_close_src(file_pair *pair, bool success) { +#ifndef TUKLIB_DOSLIKE + if (restore_stdin_flags) { + assert(pair->src_fd == STDIN_FILENO); + + restore_stdin_flags = false; + + if (fcntl(STDIN_FILENO, F_SETFL, stdin_flags) == -1) + message_error(_("Error restoring the status flags " + "to standard input: %s"), + strerror(errno)); + } +#endif + if (pair->src_fd != STDIN_FILENO && pair->src_fd != -1) { #ifdef TUKLIB_DOSLIKE (void)close(pair->src_fd); @@ -575,12 +704,58 @@ pair->dest_fd = STDOUT_FILENO; #ifdef TUKLIB_DOSLIKE setmode(STDOUT_FILENO, O_BINARY); +#else + // Set O_NONBLOCK if it isn't already set. + // + // NOTE: O_APPEND may be unset later in this function + // and it relies on stdout_flags being set here. + stdout_flags = fcntl(STDOUT_FILENO, F_GETFL); + if (stdout_flags == -1) { + message_error(_("Error getting the file status flags " + "from standard output: %s"), + strerror(errno)); + return true; + } + + if ((stdout_flags & O_NONBLOCK) == 0) { + if (fcntl(STDOUT_FILENO, F_SETFL, + stdout_flags | O_NONBLOCK) == -1) { + message_error(_("Error setting O_NONBLOCK " + "on standard output: %s"), + strerror(errno)); + return true; + } + + restore_stdout_flags = true; + } #endif } else { pair->dest_name = suffix_get_dest_name(pair->src_name); if (pair->dest_name == NULL) return true; +#ifdef __DJGPP__ + struct stat st; + if (stat(pair->dest_name, &st) == 0) { + // Check that it isn't a special file like "prn". + if (st.st_dev == -1) { + message_error("%s: Refusing to write to " + "a DOS special file", + pair->dest_name); + return true; + } + + // Check that we aren't overwriting the source file. + if (st.st_dev == pair->src_st.st_dev + && st.st_ino == pair->src_st.st_ino) { + message_error("%s: Output file is the same " + "as the input file", + pair->dest_name); + return true; + } + } +#endif + // If --force was used, unlink the target file first. if (opt_force && unlink(pair->dest_name) && errno != ENOENT) { message_error(_("%s: Cannot remove: %s"), @@ -590,8 +765,11 @@ } // Open the file. - const int flags = O_WRONLY | O_BINARY | O_NOCTTY + int flags = O_WRONLY | O_BINARY | O_NOCTTY | O_CREAT | O_EXCL; +#ifndef TUKLIB_DOSLIKE + flags |= O_NONBLOCK; +#endif const mode_t mode = S_IRUSR | S_IWUSR; pair->dest_fd = open(pair->dest_name, flags, mode); @@ -603,17 +781,19 @@ } } - // If this really fails... well, we have a safe fallback. +#ifndef TUKLIB_DOSLIKE + // dest_st isn't used on DOS-like systems except as a dummy + // argument to io_unlink(), so don't fstat() on such systems. if (fstat(pair->dest_fd, &pair->dest_st)) { -#if defined(__VMS) + // If fstat() really fails, we have a safe fallback here. +# if defined(__VMS) pair->dest_st.st_ino[0] = 0; pair->dest_st.st_ino[1] = 0; pair->dest_st.st_ino[2] = 0; -#elif !defined(TUKLIB_DOSLIKE) +# else pair->dest_st.st_dev = 0; pair->dest_st.st_ino = 0; -#endif -#ifndef TUKLIB_DOSLIKE +# endif } else if (try_sparse && opt_mode == MODE_DECOMPRESS) { // When writing to standard output, we need to be extra // careful: @@ -631,10 +811,6 @@ if (!S_ISREG(pair->dest_st.st_mode)) return false; - stdout_flags = fcntl(STDOUT_FILENO, F_GETFL); - if (stdout_flags == -1) - return false; - if (stdout_flags & O_APPEND) { // Creating a sparse file is not possible // when O_APPEND is active (it's used by @@ -653,14 +829,23 @@ if (lseek(STDOUT_FILENO, 0, SEEK_END) == -1) return false; + // O_NONBLOCK was set earlier in this function + // so it must be kept here too. If this + // fcntl() call fails, we continue but won't + // try to create sparse output. The original + // flags will still be restored if needed (to + // unset O_NONBLOCK) when the file is finished. if (fcntl(STDOUT_FILENO, F_SETFL, - stdout_flags & ~O_APPEND) - == -1) + (stdout_flags | O_NONBLOCK) + & ~O_APPEND) == -1) return false; // Disabling O_APPEND succeeded. Mark // that the flags should be restored - // in io_close_dest(). + // in io_close_dest(). This quite likely was + // already set when enabling O_NONBLOCK but + // just in case O_NONBLOCK was already set, + // set this again here. restore_stdout_flags = true; } else if (lseek(STDOUT_FILENO, 0, SEEK_CUR) @@ -673,8 +858,8 @@ } pair->dest_try_sparse = true; -#endif } +#endif return false; } @@ -790,6 +975,21 @@ } +extern void +io_fix_src_pos(file_pair *pair, size_t rewind_size) +{ + assert(rewind_size <= IO_BUFFER_SIZE); + + if (rewind_size > 0) { + // This doesn't need to work on unseekable file descriptors, + // so just ignore possible errors. + (void)lseek(pair->src_fd, -(off_t)(rewind_size), SEEK_CUR); + } + + return; +} + + extern size_t io_read(file_pair *pair, io_buf *buf_union, size_t size) { @@ -815,12 +1015,30 @@ continue; } +#ifndef TUKLIB_DOSLIKE + if (errno == EAGAIN || errno == EWOULDBLOCK) { + const io_wait_ret ret = io_wait(pair, + mytime_get_flush_timeout(), + true); + switch (ret) { + case IO_WAIT_MORE: + continue; + + case IO_WAIT_ERROR: + return SIZE_MAX; + + case IO_WAIT_TIMEOUT: + return size - left; + + default: + message_bug(); + } + } +#endif + message_error(_("%s: Read error: %s"), pair->src_name, strerror(errno)); - // FIXME Is this needed? - pair->src_eof = true; - return SIZE_MAX; } @@ -885,6 +1103,15 @@ continue; } +#ifndef TUKLIB_DOSLIKE + if (errno == EAGAIN || errno == EWOULDBLOCK) { + if (io_wait(pair, -1, false) == IO_WAIT_MORE) + continue; + + return true; + } +#endif + // Handle broken pipe specially. gzip and bzip2 // don't print anything on SIGPIPE. In addition, // gzip --quiet uses exit status 2 (warning) on Index: contrib/xz/src/xz/hardware.h =================================================================== --- contrib/xz/src/xz/hardware.h +++ contrib/xz/src/xz/hardware.h @@ -15,12 +15,11 @@ extern void hardware_init(void); -/// Set custom value for maximum number of coder threads. -extern void hardware_threadlimit_set(uint32_t threadlimit); +/// Set the maximum number of worker threads. +extern void hardware_threads_set(uint32_t threadlimit); -/// Get the maximum number of coder threads. Some additional helper threads -/// are allowed on top of this). -extern uint32_t hardware_threadlimit_get(void); +/// Get the maximum number of worker threads. +extern uint32_t hardware_threads_get(void); /// Set the memory usage limit. There are separate limits for compression Index: contrib/xz/src/xz/hardware.c =================================================================== --- contrib/xz/src/xz/hardware.c +++ contrib/xz/src/xz/hardware.c @@ -11,12 +11,11 @@ /////////////////////////////////////////////////////////////////////////////// #include "private.h" -#include "tuklib_cpucores.h" -/// Maximum number of free *coder* threads. This can be set with +/// Maximum number of worker threads. This can be set with /// the --threads=NUM command line option. -static uint32_t threadlimit; +static uint32_t threads_max = 1; /// Memory usage limit for compression static uint64_t memlimit_compress; @@ -29,15 +28,23 @@ extern void -hardware_threadlimit_set(uint32_t new_threadlimit) +hardware_threads_set(uint32_t n) { - if (new_threadlimit == 0) { - // The default is the number of available CPU cores. - threadlimit = tuklib_cpucores(); - if (threadlimit == 0) - threadlimit = 1; + if (n == 0) { + // Automatic number of threads was requested. + // If threading support was enabled at build time, + // use the number of available CPU cores. Otherwise + // use one thread since disabling threading support + // omits lzma_cputhreads() from liblzma. +#ifdef MYTHREAD_ENABLED + threads_max = lzma_cputhreads(); + if (threads_max == 0) + threads_max = 1; +#else + threads_max = 1; +#endif } else { - threadlimit = new_threadlimit; + threads_max = n; } return; @@ -45,9 +52,9 @@ extern uint32_t -hardware_threadlimit_get(void) +hardware_threads_get(void) { - return threadlimit; + return threads_max; } @@ -139,6 +146,5 @@ // Set the defaults. hardware_memlimit_set(0, true, true, false); - hardware_threadlimit_set(0); return; } Index: contrib/xz/src/xz/list.c =================================================================== --- contrib/xz/src/xz/list.c +++ contrib/xz/src/xz/list.c @@ -29,9 +29,12 @@ /// Uncompressed Size fields bool all_have_sizes; + /// Oldest XZ Utils version that will decompress the file + uint32_t min_version; + } xz_file_info; -#define XZ_FILE_INFO_INIT { NULL, 0, 0, true } +#define XZ_FILE_INFO_INIT { NULL, 0, 0, true, 50000002 } /// Information about a .xz Block @@ -104,8 +107,32 @@ uint64_t stream_padding; uint64_t memusage_max; uint32_t checks; + uint32_t min_version; bool all_have_sizes; -} totals = { 0, 0, 0, 0, 0, 0, 0, 0, true }; +} totals = { 0, 0, 0, 0, 0, 0, 0, 0, 0, true }; + + +/// Convert XZ Utils version number to a string. +static const char * +xz_ver_to_str(uint32_t ver) +{ + static char buf[32]; + + unsigned int major = ver / 10000000U; + ver -= major * 10000000U; + + unsigned int minor = ver / 10000U; + ver -= minor * 10000U; + + unsigned int patch = ver / 10U; + ver -= patch * 10U; + + const char *stability = ver == 0 ? "alpha" : ver == 1 ? "beta" : ""; + + snprintf(buf, sizeof(buf), "%u.%u.%u%s", + major, minor, patch, stability); + return buf; +} /// \brief Parse the Index(es) from the given .xz file @@ -478,6 +505,21 @@ if (xfi->memusage_max < bhi->memusage) xfi->memusage_max = bhi->memusage; + // Determine the minimum XZ Utils version that supports this Block. + // + // Currently the only thing that 5.0.0 doesn't support is empty + // LZMA2 Block. This decoder bug was fixed in 5.0.2. + { + size_t i = 0; + while (filters[i + 1].id != LZMA_VLI_UNKNOWN) + ++i; + + if (filters[i].id == LZMA_FILTER_LZMA2 + && iter->block.uncompressed_size == 0 + && xfi->min_version < 50000022U) + xfi->min_version = 50000022U; + } + // Convert the filter chain to human readable form. message_filters_to_str(bhi->filter_chain, filters, false); @@ -856,6 +898,8 @@ round_up_to_mib(xfi->memusage_max), 0)); printf(_(" Sizes in headers: %s\n"), xfi->all_have_sizes ? _("Yes") : _("No")); + printf(_(" Minimum XZ Utils version: %s\n"), + xz_ver_to_str(xfi->min_version)); } return false; @@ -938,9 +982,10 @@ } if (message_verbosity_get() >= V_DEBUG) - printf("summary\t%" PRIu64 "\t%s\n", + printf("summary\t%" PRIu64 "\t%s\t%" PRIu32 "\n", xfi->memusage_max, - xfi->all_have_sizes ? "yes" : "no"); + xfi->all_have_sizes ? "yes" : "no", + xfi->min_version); return false; } @@ -961,6 +1006,9 @@ if (totals.memusage_max < xfi->memusage_max) totals.memusage_max = xfi->memusage_max; + if (totals.min_version < xfi->min_version) + totals.min_version = xfi->min_version; + totals.all_have_sizes &= xfi->all_have_sizes; return; @@ -1025,6 +1073,8 @@ round_up_to_mib(totals.memusage_max), 0)); printf(_(" Sizes in headers: %s\n"), totals.all_have_sizes ? _("Yes") : _("No")); + printf(_(" Minimum XZ Utils version: %s\n"), + xz_ver_to_str(totals.min_version)); } return; @@ -1050,9 +1100,10 @@ totals.files); if (message_verbosity_get() >= V_DEBUG) - printf("\t%" PRIu64 "\t%s", + printf("\t%" PRIu64 "\t%s\t%" PRIu32, totals.memusage_max, - totals.all_have_sizes ? "yes" : "no"); + totals.all_have_sizes ? "yes" : "no", + totals.min_version); putchar('\n'); Index: contrib/xz/src/xz/main.c =================================================================== --- contrib/xz/src/xz/main.c +++ contrib/xz/src/xz/main.c @@ -275,6 +275,11 @@ list_totals(); } +#ifndef NDEBUG + coder_free(); + args_free(); +#endif + // If we have got a signal, raise it to kill the program instead // of calling tuklib_exit(). signals_exit(); Index: contrib/xz/src/xz/message.c =================================================================== --- contrib/xz/src/xz/message.c +++ contrib/xz/src/xz/message.c @@ -12,10 +12,6 @@ #include "private.h" -#ifdef HAVE_SYS_TIME_H -# include -#endif - #include @@ -64,9 +60,6 @@ /// and estimate remaining time. static uint64_t expected_in_size; -/// Time when we started processing the file -static uint64_t start_time; - // Use alarm() and SIGALRM when they are supported. This has two minor // advantages over the alternative of polling gettimeofday(): @@ -112,16 +105,6 @@ #endif -/// Get the current time as microseconds since epoch -static uint64_t -my_time(void) -{ - struct timeval tv; - gettimeofday(&tv, NULL); - return (uint64_t)(tv.tv_sec) * UINT64_C(1000000) + tv.tv_usec; -} - - extern void message_init(void) { @@ -264,11 +247,10 @@ // It is needed to find out the position in the stream. progress_strm = strm; - // Store the processing start time of the file and its expected size. - // If we aren't printing any statistics, then these are unused. But - // since it is possible that the user sends us a signal to show - // statistics, we need to have these available anyway. - start_time = my_time(); + // Store the expected size of the file. If we aren't printing any + // statistics, then is will be unused. But since it is possible + // that the user sends us a signal to show statistics, we need + // to have it available anyway. expected_in_size = in_size; // Indicate that progress info may need to be printed before @@ -290,7 +272,7 @@ alarm(1); #else progress_needs_updating = true; - progress_next_update = 1000000; + progress_next_update = 1000; #endif } @@ -364,7 +346,7 @@ { // Don't print the speed immediately, since the early values look // somewhat random. - if (elapsed < 3000000) + if (elapsed < 3000) return ""; static const char unit[][8] = { @@ -377,7 +359,7 @@ // Calculate the speed as KiB/s. double speed = (double)(uncompressed_pos) - / ((double)(elapsed) * (1024.0 / 1e6)); + / ((double)(elapsed) * (1024.0 / 1000.0)); // Adjust the unit of the speed if needed. while (speed > 999.0) { @@ -402,12 +384,12 @@ /// Make a string indicating elapsed or remaining time. The format is either /// M:SS or H:MM:SS depending on if the time is an hour or more. static const char * -progress_time(uint64_t useconds) +progress_time(uint64_t mseconds) { // 9999 hours = 416 days static char buf[sizeof("9999:59:59")]; - uint32_t seconds = useconds / 1000000; + uint32_t seconds = mseconds / 1000; // Don't show anything if the time is zero or ridiculously big. if (seconds == 0 || seconds > ((9999 * 60) + 59) * 60 + 59) @@ -445,14 +427,14 @@ // - Only a few seconds has passed since we started (de)compressing, // so estimate would be too inaccurate. if (expected_in_size == 0 || in_pos > expected_in_size - || in_pos < (UINT64_C(1) << 19) || elapsed < 8000000) + || in_pos < (UINT64_C(1) << 19) || elapsed < 8000) return ""; // Calculate the estimate. Don't give an estimate of zero seconds, // since it is possible that all the input has been already passed // to the library, but there is still quite a bit of output pending. uint32_t remaining = (double)(expected_in_size - in_pos) - * ((double)(elapsed) / 1e6) / (double)(in_pos); + * ((double)(elapsed) / 1000.0) / (double)(in_pos); if (remaining < 1) remaining = 1; @@ -518,28 +500,26 @@ } -/// Calculate the elapsed time as microseconds. -static uint64_t -progress_elapsed(void) -{ - return my_time() - start_time; -} - - -/// Get information about position in the stream. This is currently simple, -/// but it will become more complicated once we have multithreading support. +/// Get how much uncompressed and compressed data has been processed. static void progress_pos(uint64_t *in_pos, uint64_t *compressed_pos, uint64_t *uncompressed_pos) { - *in_pos = progress_strm->total_in; + uint64_t out_pos; + lzma_get_progress(progress_strm, in_pos, &out_pos); + + // It cannot have processed more input than it has been given. + assert(*in_pos <= progress_strm->total_in); + + // It cannot have produced more output than it claims to have ready. + assert(out_pos >= progress_strm->total_out); if (opt_mode == MODE_COMPRESS) { - *compressed_pos = progress_strm->total_out; - *uncompressed_pos = progress_strm->total_in; + *compressed_pos = out_pos; + *uncompressed_pos = *in_pos; } else { - *compressed_pos = progress_strm->total_in; - *uncompressed_pos = progress_strm->total_out; + *compressed_pos = *in_pos; + *uncompressed_pos = out_pos; } return; @@ -553,13 +533,13 @@ return; // Calculate how long we have been processing this file. - const uint64_t elapsed = progress_elapsed(); + const uint64_t elapsed = mytime_get_elapsed(); #ifndef SIGALRM if (progress_next_update > elapsed) return; - progress_next_update = elapsed + 1000000; + progress_next_update = elapsed + 1000; #endif // Get our current position in the stream. @@ -652,7 +632,7 @@ progress_active = false; - const uint64_t elapsed = progress_elapsed(); + const uint64_t elapsed = mytime_get_elapsed(); signals_block(); @@ -1122,7 +1102,10 @@ " -f, --force force overwrite of output file and (de)compress links\n" " -c, --stdout write to standard output and don't delete input files")); - if (long_help) + if (long_help) { + puts(_( +" --single-stream decompress only the first stream, and silently\n" +" ignore possible remaining input data")); puts(_( " --no-sparse do not create sparse files when decompressing\n" " -S, --suffix=.SUF use the suffix `.SUF' on compressed files\n" @@ -1130,6 +1113,7 @@ " omitted, filenames are read from the standard input;\n" " filenames must be terminated with the newline character\n" " --files0[=FILE] like --files but use the null character as terminator")); + } if (long_help) { puts(_("\n Basic file format and compression options:\n")); @@ -1138,6 +1122,8 @@ " `auto' (default), `xz', `lzma', and `raw'\n" " -C, --check=CHECK integrity check type: `none' (use with caution),\n" " `crc32', `crc64' (default), or `sha256'")); + puts(_( +" --ignore-check don't verify the integrity check when decompressing")); } puts(_( @@ -1148,7 +1134,25 @@ " -e, --extreme try to improve compression ratio by using more CPU time;\n" " does not affect decompressor memory requirements")); + puts(_( +" -T, --threads=NUM use at most NUM threads; the default is 1; set to 0\n" +" to use as many threads as there are processor cores")); + if (long_help) { + puts(_( +" --block-size=SIZE\n" +" start a new .xz block after every SIZE bytes of input;\n" +" use this to set the block size for threaded compression")); + puts(_( +" --block-list=SIZES\n" +" start a new .xz block after the given comma-separated\n" +" intervals of uncompressed data")); + puts(_( +" --flush-timeout=TIMEOUT\n" +" when compressing, if more than TIMEOUT milliseconds has\n" +" passed since the previous flush and reading more input\n" +" would block, all pending data is flushed out" + )); puts(_( // xgettext:no-c-format " --memlimit-compress=LIMIT\n" " --memlimit-decompress=LIMIT\n" @@ -1244,5 +1248,10 @@ PACKAGE_BUGREPORT); printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL); +#if LZMA_VERSION_STABILITY != LZMA_VERSION_STABILITY_STABLE + puts(_( +"THIS IS A DEVELOPMENT VERSION NOT INTENDED FOR PRODUCTION USE.")); +#endif + tuklib_exit(E_SUCCESS, E_ERROR, verbosity != V_SILENT); } Index: contrib/xz/src/xz/options.c =================================================================== --- contrib/xz/src/xz/options.c +++ contrib/xz/src/xz/options.c @@ -31,8 +31,8 @@ } option_map; -/// Parses option=value pairs that are separated with colons, semicolons, -/// or commas: opt=val:opt=val;opt=val,opt=val +/// Parses option=value pairs that are separated with commas: +/// opt=val,opt=val,opt=val /// /// Each option is a string, that is converted to an integer using the /// index where the option string is in the array. Index: contrib/xz/src/xz/private.h =================================================================== --- contrib/xz/src/xz/private.h +++ contrib/xz/src/xz/private.h @@ -12,6 +12,7 @@ #include "sysdefs.h" #include "mythread.h" + #include "lzma.h" #include @@ -45,6 +46,7 @@ #endif #include "main.h" +#include "mytime.h" #include "coder.h" #include "message.h" #include "args.h" Index: contrib/xz/src/xz/signals.c =================================================================== --- contrib/xz/src/xz/signals.c +++ contrib/xz/src/xz/signals.c @@ -41,6 +41,11 @@ { exit_signal = sig; user_abort = true; + +#ifndef TUKLIB_DOSLIKE + io_write_to_user_abort_pipe(); +#endif + return; } Index: contrib/xz/src/xz/suffix.c =================================================================== --- contrib/xz/src/xz/suffix.c +++ contrib/xz/src/xz/suffix.c @@ -12,6 +12,10 @@ #include "private.h" +#ifdef __DJGPP__ +# include +#endif + // For case-insensitive filename suffix on case-insensitive systems #if defined(TUKLIB_DOSLIKE) || defined(__VMS) # define strcmp strcasecmp @@ -45,6 +49,31 @@ } +#ifdef __DJGPP__ +/// \brief Test for special suffix used for 8.3 short filenames (SFN) +/// +/// \return If str matches *.?- or *.??-, true is returned. Otherwise +/// false is returned. +static bool +has_sfn_suffix(const char *str, size_t len) +{ + if (len >= 4 && str[len - 1] == '-' && str[len - 2] != '.' + && !is_dir_sep(str[len - 2])) { + // *.?- + if (str[len - 3] == '.') + return !is_dir_sep(str[len - 4]); + + // *.??- + if (len >= 5 && !is_dir_sep(str[len - 3]) + && str[len - 4] == '.') + return !is_dir_sep(str[len - 5]); + } + + return false; +} +#endif + + /// \brief Checks if src_name has given compressed_suffix /// /// \param suffix Filename suffix to look for @@ -87,6 +116,9 @@ { ".xz", "" }, { ".txz", ".tar" }, // .txz abbreviation for .txt.gz is rare. { ".lzma", "" }, +#ifdef __DJGPP__ + { ".lzm", "" }, +#endif { ".tlz", ".tar" }, // { ".gz", "" }, // { ".tgz", ".tar" }, @@ -112,6 +144,17 @@ break; } } + +#ifdef __DJGPP__ + // Support also *.?- -> *.? and *.??- -> *.?? on DOS. + // This is done also when long filenames are available + // to keep it easy to decompress files created when + // long filename support wasn't available. + if (new_len == 0 && has_sfn_suffix(src_name, src_len)) { + new_suffix = ""; + new_len = src_len - 1; + } +#endif } if (new_len == 0 && custom_suffix != NULL) @@ -134,21 +177,35 @@ } +/// This message is needed in multiple places in compressed_name(), +/// so the message has been put into its own function. +static void +msg_suffix(const char *src_name, const char *suffix) +{ + message_warning(_("%s: File already has `%s' suffix, skipping"), + src_name, suffix); + return; +} + + /// \brief Appends suffix to src_name /// /// In contrast to uncompressed_name(), we check only suffixes that are valid /// for the specified file format. static char * -compressed_name(const char *src_name, const size_t src_len) +compressed_name(const char *src_name, size_t src_len) { // The order of these must match the order in args.h. - static const char *const all_suffixes[][3] = { + static const char *const all_suffixes[][4] = { { ".xz", ".txz", NULL }, { ".lzma", +#ifdef __DJGPP__ + ".lzm", +#endif ".tlz", NULL /* @@ -170,20 +227,27 @@ const size_t format = opt_format - 1; const char *const *suffixes = all_suffixes[format]; + // Look for known filename suffixes and refuse to compress them. for (size_t i = 0; suffixes[i] != NULL; ++i) { if (test_suffix(suffixes[i], src_name, src_len) != 0) { - message_warning(_("%s: File already has `%s' " - "suffix, skipping"), src_name, - suffixes[i]); + msg_suffix(src_name, suffixes[i]); return NULL; } } +#ifdef __DJGPP__ + // Recognize also the special suffix that is used when long + // filename (LFN) support isn't available. This suffix is + // recognized on LFN systems too. + if (opt_format == FORMAT_XZ && has_sfn_suffix(src_name, src_len)) { + msg_suffix(src_name, "-"); + return NULL; + } +#endif + if (custom_suffix != NULL) { if (test_suffix(custom_suffix, src_name, src_len) != 0) { - message_warning(_("%s: File already has `%s' " - "suffix, skipping"), src_name, - custom_suffix); + msg_suffix(src_name, custom_suffix); return NULL; } } @@ -199,7 +263,101 @@ const char *suffix = custom_suffix != NULL ? custom_suffix : suffixes[0]; - const size_t suffix_len = strlen(suffix); + size_t suffix_len = strlen(suffix); + +#ifdef __DJGPP__ + if (!_use_lfn(src_name)) { + // Long filename (LFN) support isn't available and we are + // limited to 8.3 short filenames (SFN). + // + // Look for suffix separator from the filename, and make sure + // that it is in the filename, not in a directory name. + const char *sufsep = strrchr(src_name, '.'); + if (sufsep == NULL || sufsep[1] == '\0' + || has_dir_sep(sufsep)) { + // src_name has no filename extension. + // + // Examples: + // xz foo -> foo.xz + // xz -F lzma foo -> foo.lzm + // xz -S x foo -> foox + // xz -S x foo. -> foo.x + // xz -S x.y foo -> foox.y + // xz -S .x foo -> foo.x + // xz -S .x foo. -> foo.x + // + // Avoid double dots: + if (sufsep != NULL && sufsep[1] == '\0' + && suffix[0] == '.') + --src_len; + + } else if (custom_suffix == NULL + && strcasecmp(sufsep, ".tar") == 0) { + // ".tar" is handled specially. + // + // Examples: + // xz foo.tar -> foo.txz + // xz -F lzma foo.tar -> foo.tlz + static const char *const tar_suffixes[] = { + ".txz", + ".tlz", + // ".tgz", + }; + suffix = tar_suffixes[format]; + suffix_len = 4; + src_len -= 4; + + } else { + if (custom_suffix == NULL && opt_format == FORMAT_XZ) { + // Instead of the .xz suffix, use a single + // character at the end of the filename + // extension. This is to minimize name + // conflicts when compressing multiple files + // with the same basename. E.g. foo.txt and + // foo.exe become foo.tx- and foo.ex-. Dash + // is rare as the last character of the + // filename extension, so it seems to be + // quite safe choice and it stands out better + // in directory listings than e.g. x. For + // comparison, gzip uses z. + suffix = "-"; + suffix_len = 1; + } + + if (suffix[0] == '.') { + // The first character of the suffix is a dot. + // Throw away the original filename extension + // and replace it with the new suffix. + // + // Examples: + // xz -F lzma foo.txt -> foo.lzm + // xz -S .x foo.txt -> foo.x + src_len = sufsep - src_name; + + } else { + // The first character of the suffix is not + // a dot. Preserve the first 0-2 characters + // of the original filename extension. + // + // Examples: + // xz foo.txt -> foo.tx- + // xz -S x foo.c -> foo.cx + // xz -S ab foo.c -> foo.cab + // xz -S ab foo.txt -> foo.tab + // xz -S abc foo.txt -> foo.abc + // + // Truncate the suffix to three chars: + if (suffix_len > 3) + suffix_len = 3; + + // If needed, overwrite 1-3 characters. + if (strlen(sufsep) > 4 - suffix_len) + src_len = sufsep - src_name + + 4 - suffix_len; + } + } + } +#endif char *dest_name = xmalloc(src_len + suffix_len + 1); Index: contrib/xz/src/xz/xz.1 =================================================================== --- contrib/xz/src/xz/xz.1 +++ contrib/xz/src/xz/xz.1 @@ -5,7 +5,7 @@ .\" This file has been put into the public domain. .\" You can do whatever you want with this file. .\" -.TH XZ 1 "2013-06-21" "Tukaani" "XZ Utils" +.TH XZ 1 "2014-12-16" "Tukaani" "XZ Utils" . .SH NAME xz, unxz, xzcat, lzma, unlzma, lzcat \- Compress or decompress .xz and .lzma files @@ -435,6 +435,29 @@ This implies .BR \-\-keep . .TP +.B \-\-single\-stream +Decompress only the first +.B .xz +stream, and +silently ignore possible remaining input data following the stream. +Normally such trailing garbage makes +.B xz +display an error. +.IP "" +.B xz +never decompresses more than one stream from +.B .lzma +files or raw streams, but this option still makes +.B xz +ignore the possible trailing data after the +.B .lzma +file or raw stream. +.IP "" +This option has no effect if the operation mode is not +.B \-\-decompress +or +.BR \-\-test . +.TP .B \-\-no\-sparse Disable creation of sparse files. By default, if decompressing into a regular file, @@ -586,6 +609,25 @@ headers is always verified with CRC32. It is not possible to change or disable it. .TP +.B \-\-ignore\-check +Don't verify the integrity check of the compressed data when decompressing. +The CRC32 values in the +.B .xz +headers will still be verified normally. +.IP "" +.B "Do not use this option unless you know what you are doing." +Possible reasons to use this option: +.RS +.IP \(bu 3 +Trying to recover data from a corrupt .xz file. +.IP \(bu 3 +Speeding up decompression. +This matters mostly with SHA-256 or +with files that have compressed extremely well. +It's recommended to not use this option for this purpose +unless the file integrity is verified externally in some other way. +.RE +.TP .BR \-0 " ... " \-9 Select a compression preset level. The default is @@ -778,6 +820,124 @@ with LZMA Utils. Avoid using these options. .TP +.BI \-\-block\-size= size +When compressing to the +.B .xz +format, split the input data into blocks of +.I size +bytes. +The blocks are compressed independently from each other, +which helps with multi-threading and +makes limited random-access decompression possible. +This option is typically used to override the default +block size in multi-threaded mode, +but this option can be used in single-threaded mode too. +.IP "" +In multi-threaded mode about three times +.I size +bytes will be allocated in each thread for buffering input and output. +The default +.I size +is three times the LZMA2 dictionary size or 1 MiB, +whichever is more. +Typically a good value is 2\-4 times +the size of the LZMA2 dictionary or at least 1 MiB. +Using +.I size +less than the LZMA2 dictionary size is waste of RAM +because then the LZMA2 dictionary buffer will never get fully used. +The sizes of the blocks are stored in the block headers, +which a future version of +.B xz +will use for multi-threaded decompression. +.IP "" +In single-threaded mode no block splitting is done by default. +Setting this option doesn't affect memory usage. +No size information is stored in block headers, +thus files created in single-threaded mode +won't be identical to files created in multi-threaded mode. +The lack of size information also means that a future version of +.B xz +won't be able decompress the files in multi-threaded mode. +.TP +.BI \-\-block\-list= sizes +When compressing to the +.B .xz +format, start a new block after +the given intervals of uncompressed data. +.IP "" +The uncompressed +.I sizes +of the blocks are specified as a comma-separated list. +Omitting a size (two or more consecutive commas) is a shorthand +to use the size of the previous block. +.IP "" +If the input file is bigger than the sum of +.IR sizes , +the last value in +.I sizes +is repeated until the end of the file. +A special value of +.B 0 +may be used as the last value to indicate that +the rest of the file should be encoded as a single block. +.IP "" +If one specifies +.I sizes +that exceed the encoder's block size +(either the default value in threaded mode or +the value specified with \fB\-\-block\-size=\fIsize\fR), +the encoder will create additional blocks while +keeping the boundaries specified in +.IR sizes . +For example, if one specifies +.B \-\-block\-size=10MiB +.B \-\-block\-list=5MiB,10MiB,8MiB,12MiB,24MiB +and the input file is 80 MiB, +one will get 11 blocks: +5, 10, 8, 10, 2, 10, 10, 4, 10, 10, and 1 MiB. +.IP "" +In multi-threaded mode the sizes of the blocks +are stored in the block headers. +This isn't done in single-threaded mode, +so the encoded output won't be +identical to that of the multi-threaded mode. +.TP +.BI \-\-flush\-timeout= timeout +When compressing, if more than +.I timeout +milliseconds (a positive integer) has passed since the previous flush and +reading more input would block, +all the pending input data is flushed from the encoder and +made available in the output stream. +This can be useful if +.B xz +is used to compress data that is streamed over a network. +Small +.I timeout +values make the data available at the receiving end +with a small delay, but large +.I timeout +values give better compression ratio. +.IP "" +This feature is disabled by default. +If this option is specified more than once, the last one takes effect. +The special +.I timeout +value of +.B 0 +can be used to explicitly disable this feature. +.IP "" +This feature is not available on non-POSIX systems. +.IP "" +.\" FIXME +.B "This feature is still experimental." +Currently +.B xz +is unsuitable for decompressing the stream in real time due to how +.B xz +does buffering. +.TP .BI \-\-memlimit\-compress= limit Set a memory usage limit for compression. If this option is specified multiple times, @@ -876,24 +1036,25 @@ .TP \fB\-T\fR \fIthreads\fR, \fB\-\-threads=\fIthreads Specify the number of worker threads to use. +Setting +.I threads +to a special value +.B 0 +makes +.B xz +use as many threads as there are CPU cores on the system. The actual number of threads can be less than .I threads +if the input file is not big enough +for threading with the given settings or if using more threads would exceed the memory usage limit. .IP "" -.B "Multithreaded compression and decompression are not" -.B "implemented yet, so this option has no effect for now." -.IP "" -.B "As of writing (2010-09-27), it hasn't been decided" -.B "if threads will be used by default on multicore systems" -.B "once support for threading has been implemented." -.B "Comments are welcome." -The complicating factor is that using many threads -will increase the memory usage dramatically. -Note that if multithreading will be the default, -it will probably be done so that single-threaded and -multithreaded modes produce the same output, -so compression ratio won't be significantly affected -if threading will be enabled by default. +Currently the only threading method is to split the input into +blocks and compress them independently from each other. +The default block size depends on the compression level and +can be overriden with the +.BI \-\-block\-size= size +option. . .SS "Custom compressor filter chains" A custom filter chain allows specifying @@ -1863,6 +2024,14 @@ .B no indicating if all block headers have both compressed size and uncompressed size stored in them +.PP +.I Since +.B xz +.I 5.1.2alpha: +.IP 4. 4 +Minimum +.B xz +version required to decompress the file .RE .PD .PP @@ -1913,6 +2082,14 @@ .B no indicating if all block headers have both compressed size and uncompressed size stored in them +.PP +.I Since +.B xz +.I 5.1.2alpha: +.IP 12. 4 +Minimum +.B xz +version required to decompress the file .RE .PD .PP @@ -2173,7 +2350,9 @@ .B .lzma stream, .B xz -considers the file to be corrupt. +considers the file to be corrupt unless +.B \-\-single\-stream +was used. This may break obscure scripts which have assumed that trailing garbage is ignored. . Index: lib/liblzma/Makefile =================================================================== --- lib/liblzma/Makefile +++ lib/liblzma/Makefile @@ -21,7 +21,7 @@ hardware.h \ index.h \ index_hash.h \ - lzma.h \ + lzma12.h \ stream_flags.h \ version.h \ vli.h @@ -36,6 +36,7 @@ easy_preset.c \ filter_common.c \ hardware_physmem.c \ + hardware_cputhreads.c \ index.c \ stream_flags_common.c \ vli_size.c \ @@ -68,7 +69,9 @@ stream_buffer_decoder.c \ stream_decoder.c \ stream_flags_decoder.c \ - vli_decoder.c + stream_encoder_mt.c \ + vli_decoder.c \ + outqueue.c .PATH: ${LZMADIR}/check SRCS+= check.c \ Index: lib/liblzma/Symbol.map =================================================================== --- lib/liblzma/Symbol.map +++ lib/liblzma/Symbol.map @@ -98,6 +98,14 @@ lzma_vli_size; }; +XZ_5.2 { + lzma_block_uncomp_encode; + lzma_cputhreads; + lzma_get_progress; + lzma_stream_encoder_mt; + lzma_stream_encoder_mt_memusage; +}; + XZprivate_1.0 { lzma_alloc; lzma_alone_decoder_init; Index: lib/liblzma/Versions.def =================================================================== --- lib/liblzma/Versions.def +++ lib/liblzma/Versions.def @@ -3,7 +3,9 @@ XZ_5.0 { }; +XZ_5.2 { +} XZ_5.0; XZprivate_1.0 { -} XZ_5.0; +} XZ_5.2; Index: lib/liblzma/config.h =================================================================== --- lib/liblzma/config.h +++ lib/liblzma/config.h @@ -1,8 +1,11 @@ -// $FreeBSD$ +/* $FreeBSD$ */ #define ASSUME_RAM 128 #define HAVE_CHECK_CRC32 1 #define HAVE_CHECK_CRC64 1 #define HAVE_CHECK_SHA256 1 +#define HAVE_CLOCK_GETTIME 1 +#define HAVE_DCGETTEXT 1 +#define HAVE_DECL_CLOCK_MONOTONIC 1 #define HAVE_DECL_PROGRAM_INVOCATION_NAME 0 #define HAVE_DECODER_ARM 1 #define HAVE_DECODER_ARMTHUMB 1 @@ -37,13 +40,16 @@ #define HAVE_MF_HC3 1 #define HAVE_MF_HC4 1 #define HAVE_OPTRESET 1 -#define HAVE_PTHREAD 1 +#define HAVE_POSIX_FADVISE 1 +#define HAVE_PTHREAD_CONDATTR_SETCLOCK 1 +#define HAVE_PTHREAD_PRIO_INHERIT 1 #define HAVE_STDBOOL_H 1 #define HAVE_STDINT_H 1 #define HAVE_STDLIB_H 1 #define HAVE_STRINGS_H 1 #define HAVE_STRING_H 1 #define HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC 1 +#define HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC 1 #define HAVE_SYS_ENDIAN_H 1 #define HAVE_SYS_PARAM_H 1 #define HAVE_SYS_STAT_H 1 @@ -54,19 +60,20 @@ #define HAVE_VISIBILITY 1 #define HAVE_WCWIDTH 1 #define HAVE__BOOL 1 +#define HAVE__MM_MOVEMASK_EPI8 1 #define LT_OBJDIR ".libs/" +#define MYTHREAD_POSIX 1 #define NDEBUG 1 #define PACKAGE "xz" #define PACKAGE_BUGREPORT "lasse.collin@tukaani.org" #define PACKAGE_NAME "XZ Utils" -#define PACKAGE_STRING "XZ Utils 5.0.3" +#define PACKAGE_STRING "XZ Utils 5.2.0" #define PACKAGE_TARNAME "xz" #define PACKAGE_URL "http://tukaani.org/xz/" -#define PACKAGE_VERSION "5.0.3" +#define PACKAGE_VERSION "5.2.0" #define SIZEOF_SIZE_T 8 #define STDC_HEADERS 1 #define TUKLIB_CPUCORES_SYSCTL 1 -#define TUKLIB_PHYSMEM_SYSCONF 1 #ifndef _ALL_SOURCE # define _ALL_SOURCE 1 #endif @@ -82,7 +89,6 @@ #ifndef __EXTENSIONS__ # define __EXTENSIONS__ 1 #endif -#define VERSION "5.0.3" #if defined(__FreeBSD__) #include #if defined(__NO_STRICT_ALIGNMENT) @@ -92,14 +98,6 @@ #if _BYTE_ORDER == _BIG_ENDIAN # define WORDS_BIGENDIAN 1 #endif -#else -#if defined AC_APPLE_UNIVERSAL_BUILD -# if defined __BIG_ENDIAN__ -# define WORDS_BIGENDIAN 1 -# endif -#else -# ifndef WORDS_BIGENDIAN -/* # undef WORDS_BIGENDIAN */ -# endif -#endif #endif +#define TUKLIB_PHYSMEM_SYSCONF 1 +#define VERSION "5.2.0" Index: usr.bin/xz/Makefile =================================================================== --- usr.bin/xz/Makefile +++ usr.bin/xz/Makefile @@ -22,6 +22,7 @@ list.c \ main.c \ message.c \ + mytime.c \ options.c \ signals.c \ suffix.c \