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Differential D44810

install: Assorted nitpickery.
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Authored by des on Apr 16 2024, 4:34 PM.
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rG000a533e6d1d: install: Assorted nitpickery.
Summary
  • Use errc() instead of manually setting errno before calling err().
  • Change one warning into a fatal error.
  • Drop some unnecessary casts.
  • strlcat() bounds checks were off-by-one. This does not matter in practice because the subsequent code renders an overrun harmless.
  • We were passing SSIZE_MAX to copy_file_range() instead of the requested size. This only matters if we're asked to install a file which is still being written to while we are copying it.

MFC after: 1 week
Sponsored by: Klara, Inc.

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rG FreeBSD src repository
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Event Timeline

des created this revision.Apr 16 2024, 4:34 PM
Herald added a subscriber: imp. · View Herald TranscriptApr 16 2024, 4:34 PM
des requested review of this revision.Apr 16 2024, 4:34 PM
Harbormaster completed remote builds in B57127: Diff 137110.Apr 16 2024, 4:34 PM
des added a parent revision: D44809: install: Remove the mmap(2) option..Apr 16 2024, 4:34 PM
markj accepted this revision as: markj.Apr 16 2024, 7:16 PM
markj added a subscriber: markj.
markj added inline comments.
usr.bin/xinstall/xinstall.c
1209

You can use errc() here too.

1242

Also here.

This revision is now accepted and ready to land.Apr 16 2024, 7:16 PM
des marked 2 inline comments as done.Apr 16 2024, 10:17 PM
des added inline comments.
usr.bin/xinstall/xinstall.c
1209

I know, there are lots more, I intentionally limited myself to cases where we were making errno up.

Closed by commit rG000a533e6d1d: install: Assorted nitpickery. (authored by des). · Explain WhyApr 17 2024, 2:06 AM
This revision was automatically updated to reflect the committed changes.
des marked an inline comment as done.
des added a commit: rG000a533e6d1d: install: Assorted nitpickery..
des mentioned this in rG34ee703400c0: install: Always use a temporary file..Apr 24 2024, 10:13 PM
des mentioned this in rG44101eb5803e: install: Always use a temporary file..Apr 27 2024, 2:59 PM

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usr.bin/
xinstall/
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Diff 137209

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usr.bin/xinstall/xinstall.c

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