Index: head/usr.bin/wc/wc.c =================================================================== --- head/usr.bin/wc/wc.c (revision 326735) +++ head/usr.bin/wc/wc.c (revision 326736) @@ -1,350 +1,351 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1980, 1987, 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static const char copyright[] = "@(#) Copyright (c) 1980, 1987, 1991, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #if 0 #ifndef lint static char sccsid[] = "@(#)wc.c 8.1 (Berkeley) 6/6/93"; #endif /* not lint */ #endif #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static uintmax_t tlinect, twordct, tcharct, tlongline; static int doline, doword, dochar, domulti, dolongline; static volatile sig_atomic_t siginfo; static xo_handle_t *stderr_handle; static void show_cnt(const char *file, uintmax_t linect, uintmax_t wordct, uintmax_t charct, uintmax_t llct); static int cnt(const char *); static void usage(void); static void siginfo_handler(int sig __unused) { siginfo = 1; } static void reset_siginfo(void) { signal(SIGINFO, SIG_DFL); siginfo = 0; } int main(int argc, char *argv[]) { int ch, errors, total; (void) setlocale(LC_CTYPE, ""); argc = xo_parse_args(argc, argv); if (argc < 0) return (argc); while ((ch = getopt(argc, argv, "clmwL")) != -1) switch((char)ch) { case 'l': doline = 1; break; case 'w': doword = 1; break; case 'c': dochar = 1; domulti = 0; break; case 'L': dolongline = 1; break; case 'm': domulti = 1; dochar = 0; break; case '?': default: usage(); } argv += optind; argc -= optind; (void)signal(SIGINFO, siginfo_handler); /* Wc's flags are on by default. */ if (doline + doword + dochar + domulti + dolongline == 0) doline = doword = dochar = 1; stderr_handle = xo_create_to_file(stderr, XO_STYLE_TEXT, 0); xo_open_container("wc"); xo_open_list("file"); errors = 0; total = 0; if (!*argv) { xo_open_instance("file"); if (cnt((char *)NULL) != 0) ++errors; xo_close_instance("file"); } else { do { xo_open_instance("file"); if (cnt(*argv) != 0) ++errors; xo_close_instance("file"); ++total; } while(*++argv); } xo_close_list("file"); if (total > 1) { xo_open_container("total"); show_cnt("total", tlinect, twordct, tcharct, tlongline); xo_close_container("total"); } xo_close_container("wc"); xo_finish(); exit(errors == 0 ? 0 : 1); } static void show_cnt(const char *file, uintmax_t linect, uintmax_t wordct, uintmax_t charct, uintmax_t llct) { xo_handle_t *xop; if (!siginfo) xop = NULL; else { xop = stderr_handle; siginfo = 0; } if (doline) xo_emit_h(xop, " {:lines/%7ju/%ju}", linect); if (doword) xo_emit_h(xop, " {:words/%7ju/%ju}", wordct); if (dochar || domulti) xo_emit_h(xop, " {:characters/%7ju/%ju}", charct); if (dolongline) xo_emit_h(xop, " {:long-lines/%7ju/%ju}", llct); if (file != NULL) xo_emit_h(xop, " {:filename/%s}\n", file); else xo_emit_h(xop, "\n"); } static int cnt(const char *file) { struct stat sb; uintmax_t linect, wordct, charct, llct, tmpll; int fd, len, warned; size_t clen; short gotsp; u_char *p; u_char buf[MAXBSIZE]; wchar_t wch; mbstate_t mbs; linect = wordct = charct = llct = tmpll = 0; if (file == NULL) fd = STDIN_FILENO; - else { - if ((fd = open(file, O_RDONLY, 0)) < 0) { - xo_warn("%s: open", file); - return (1); - } - if (doword || (domulti && MB_CUR_MAX != 1)) - goto word; - /* - * Line counting is split out because it's a lot faster to get - * lines than to get words, since the word count requires some - * logic. - */ - if (doline) { - while ((len = read(fd, buf, MAXBSIZE))) { - if (len == -1) { - xo_warn("%s: read", file); - (void)close(fd); - return (1); - } - if (siginfo) { - show_cnt(file, linect, wordct, charct, - llct); - } - charct += len; + else if ((fd = open(file, O_RDONLY, 0)) < 0) { + xo_warn("%s: open", file); + return (1); + } + if (doword || (domulti && MB_CUR_MAX != 1)) + goto word; + /* + * Line counting is split out because it's a lot faster to get + * lines than to get words, since the word count requires some + * logic. + */ + if (doline || dochar) { + while ((len = read(fd, buf, MAXBSIZE))) { + if (len == -1) { + xo_warn("%s: read", file); + (void)close(fd); + return (1); + } + if (siginfo) { + show_cnt(file, linect, wordct, charct, + llct); + } + charct += len; + if (doline) { for (p = buf; len--; ++p) if (*p == '\n') { if (tmpll > llct) llct = tmpll; tmpll = 0; ++linect; } else tmpll++; } - reset_siginfo(); + } + reset_siginfo(); + if (doline) tlinect += linect; - if (dochar) - tcharct += charct; - if (dolongline) { - if (llct > tlongline) - tlongline = llct; - } + if (dochar) + tcharct += charct; + if (dolongline) { + if (llct > tlongline) + tlongline = llct; + } + show_cnt(file, linect, wordct, charct, llct); + (void)close(fd); + return (0); + } + /* + * If all we need is the number of characters and it's a + * regular file, just stat the puppy. + */ + if (dochar || domulti) { + if (fstat(fd, &sb)) { + xo_warn("%s: fstat", file); + (void)close(fd); + return (1); + } + if (S_ISREG(sb.st_mode)) { + reset_siginfo(); + charct = sb.st_size; show_cnt(file, linect, wordct, charct, llct); + tcharct += charct; (void)close(fd); return (0); - } - /* - * If all we need is the number of characters and it's a - * regular file, just stat the puppy. - */ - if (dochar || domulti) { - if (fstat(fd, &sb)) { - xo_warn("%s: fstat", file); - (void)close(fd); - return (1); - } - if (S_ISREG(sb.st_mode)) { - reset_siginfo(); - charct = sb.st_size; - show_cnt(file, linect, wordct, charct, llct); - tcharct += charct; - (void)close(fd); - return (0); - } } } /* Do it the hard way... */ word: gotsp = 1; warned = 0; memset(&mbs, 0, sizeof(mbs)); while ((len = read(fd, buf, MAXBSIZE)) != 0) { if (len == -1) { xo_warn("%s: read", file != NULL ? file : "stdin"); (void)close(fd); return (1); } p = buf; while (len > 0) { if (siginfo) show_cnt(file, linect, wordct, charct, llct); if (!domulti || MB_CUR_MAX == 1) { clen = 1; wch = (unsigned char)*p; } else if ((clen = mbrtowc(&wch, p, len, &mbs)) == (size_t)-1) { if (!warned) { errno = EILSEQ; xo_warn("%s", file != NULL ? file : "stdin"); warned = 1; } memset(&mbs, 0, sizeof(mbs)); clen = 1; wch = (unsigned char)*p; } else if (clen == (size_t)-2) break; else if (clen == 0) clen = 1; charct++; if (wch != L'\n') tmpll++; len -= clen; p += clen; if (wch == L'\n') { if (tmpll > llct) llct = tmpll; tmpll = 0; ++linect; } if (iswspace(wch)) gotsp = 1; else if (gotsp) { gotsp = 0; ++wordct; } } } reset_siginfo(); if (domulti && MB_CUR_MAX > 1) if (mbrtowc(NULL, NULL, 0, &mbs) == (size_t)-1 && !warned) xo_warn("%s", file != NULL ? file : "stdin"); if (doline) tlinect += linect; if (doword) twordct += wordct; if (dochar || domulti) tcharct += charct; if (dolongline) { if (llct > tlongline) tlongline = llct; } show_cnt(file, linect, wordct, charct, llct); (void)close(fd); return (0); } static void usage(void) { xo_error("usage: wc [-Lclmw] [file ...]\n"); exit(1); }