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Differential D50936

diff: Detect loops when diffing directories.
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Authored by des on Jun 19 2025, 12:48 PM.

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rGbfd89763d207: diff: Detect loops when diffing directories.
rGe8009e02e967: diff: Detect loops when diffing directories.
rG42092e1b6625: diff: Detect loops when diffing directories.

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Sponsored by: Klara, Inc.

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rG FreeBSD src repository

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Tests Not Applicable

Event Timeline

des created this revision.Jun 19 2025, 12:48 PM

Herald added a subscriber: imp. · View Herald TranscriptJun 19 2025, 12:48 PM

des requested review of this revision.Jun 19 2025, 12:48 PM

Harbormaster completed remote builds in B64979: Diff 157305.Jun 19 2025, 12:48 PM

des added a parent revision: D50935: libc: Add fscandir(), fscandir_b(), scandirat_b()..Jun 19 2025, 12:48 PM

markj accepted this revision as: markj.Jun 19 2025, 1:33 PM

markj added a subscriber: markj.

markj added inline comments.

usr.bin/diff/diffdir.c
52
171

This revision is now accepted and ready to land.Jun 19 2025, 1:33 PM

des marked an inline comment as done.Jun 19 2025, 3:17 PM

des added inline comments.

usr.bin/diff/diffdir.c
52	If these were function variables I'd agree, but is that really needed for static heads? The initializer evaluates to `{ NULL }`.

markj added inline comments.Jun 19 2025, 3:21 PM

usr.bin/diff/diffdir.c
52	Today, it's not needed; tomorrow, who knows? The RB_* macros have been extensively reworked at least once in my memory, so I'd be conservative and include the initializers.

review feedback

This revision now requires review to proceed.Jun 19 2025, 4:11 PM

Harbormaster completed remote builds in B64987: Diff 157320.Jun 19 2025, 4:11 PM

des marked 2 inline comments as done.Jun 19 2025, 4:15 PM

markj accepted this revision as: markj.Jun 19 2025, 4:16 PM

This revision is now accepted and ready to land.Jun 19 2025, 4:16 PM

Closed by commit rG42092e1b6625: diff: Detect loops when diffing directories. (authored by des). · Explain WhyJun 20 2025, 11:12 AM

This revision was automatically updated to reflect the committed changes.

des added a commit: rG42092e1b6625: diff: Detect loops when diffing directories..

des added a commit: rGe8009e02e967: diff: Detect loops when diffing directories..Thu, Feb 5, 3:27 PM

des added a commit: rGbfd89763d207: diff: Detect loops when diffing directories..Tue, Feb 10, 3:28 PM

Revision Contents
Changeset List

Path

Size

usr.bin/

diff/

85 lines

tests/

17 lines

Diff 157349

usr.bin/diff/diffdir.c

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usr.bin/diff/tests/diff_test.sh

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