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uucore: add a function returning /dev/null to use splice() for wc,dd,tail#11601

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sylvestre merged 1 commit intouutils:mainfrom
oech3:null
Apr 4, 2026
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uucore: add a function returning /dev/null to use splice() for wc,dd,tail#11601
sylvestre merged 1 commit intouutils:mainfrom
oech3:null

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@oech3 oech3 commented Apr 2, 2026 •
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Add new finction returning verified /dev/null to uucore.
This can be used for

  • wc -c (done)
  • dd skip=N
  • tail -c/--bytes +
    from non-seekable input e.g. pipe.

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github-actions bot commented Apr 2, 2026

GNU testsuite comparison:

Skipping an intermittent issue tests/cut/bounded-memory (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/date/date-locale-hour (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/tty/tty-eof (passes in this run but fails in the 'main' branch)

@oech3 oech3 force-pushed the null branch 3 times, most recently from b72739b to f3bd236 Compare April 2, 2026 18:13
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github-actions bot commented Apr 2, 2026

GNU testsuite comparison:

Skipping an intermittent issue tests/cut/bounded-memory (passes in this run but fails in the 'main' branch)

@oech3 oech3 marked this pull request as ready for review April 2, 2026 18:38
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github-actions bot commented Apr 3, 2026

GNU testsuite comparison:

Skipping an intermittent issue tests/date/date-locale-hour (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/tail/symlink (passes in this run but fails in the 'main' branch)
Congrats! The gnu test tests/csplit/csplit-heap is now passing!

@oech3 oech3 mentioned this pull request Apr 3, 2026
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github-actions bot commented Apr 3, 2026

GNU testsuite comparison:

Skipping an intermittent issue tests/date/resolution (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/pr/bounded-memory (passes in this run but fails in the 'main' branch)
Note: The gnu test tests/cut/cut-huge-range is now being skipped but was previously passing.
Note: The gnu test tests/printf/printf-surprise is now being skipped but was previously passing.

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github-actions bot commented Apr 4, 2026

GNU testsuite comparison:

Skip an intermittent issue tests/date/date-locale-hour (fails in this run but passes in the 'main' branch)
Skip an intermittent issue tests/date/resolution (fails in this run but passes in the 'main' branch)
Skip an intermittent issue tests/tail/inotify-dir-recreate (fails in this run but passes in the 'main' branch)
Skip an intermittent issue tests/tty/tty-eof (fails in this run but passes in the 'main' branch)
Congrats! The gnu test tests/expand/bounded-memory is now passing!

@sylvestre sylvestre merged commit 4ceb880 into uutils:main Apr 4, 2026
167 checks passed
@oech3 oech3 deleted the null branch April 4, 2026 08:11
@moonfruit moonfruit mentioned this pull request Apr 7, 2026
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2 participants

@oech3 @sylvestre