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Last change
on this file since 3646 was 3529, checked in by bird, 3 years ago |
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Imported grep 3.7 from grep-3.7.tar.gz (sha256: c22b0cf2d4f6bbe599c902387e8058990e1eee99aef333a203829e5fd3dbb342), applying minimal auto-props.
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-
Property svn:executable
set to
*
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File size:
1.0 KB
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| 1 | #! /bin/sh
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| 2 | # Test for a bug in glibc's regex code as of 2015-09-19.
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| 3 | #
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| 4 | # Copyright 2015-2021 Free Software Foundation, Inc.
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| 5 | #
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| 6 | # Copying and distribution of this file, with or without modification,
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| 7 | # are permitted in any medium without royalty provided the copyright
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| 8 | # notice and this notice are preserved.
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| 9 |
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| 10 | . "${srcdir=.}/init.sh"; path_prepend_ ../src
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| 11 |
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| 12 | echo aa > in || framework_failure_
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| 13 |
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| 14 | fail=0
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| 15 |
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| 16 | grep -E 'b|(.)b|\1|b' in >out
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| 17 | status=$?
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| 18 | # POSIX isn't clear whether this regular expression should be invalid,
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| 19 | # (because the \1 is out of range for REs that could precede it)
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| 20 | # or valid but \1 should not match. Allow either interpretation.
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| 21 | test $status -eq 2 || test $status -eq 1 || fail=1
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| 22 |
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| 23 | grep -E '0|()0|\1|0' in >out
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| 24 | status=$?
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| 25 | test $status -eq 2 || test $status -eq 1 || fail=1
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| 26 |
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| 27 | # This test is a reduced version of the one in Bug#27838.
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| 28 | # It triggers this glibc assertion failure:
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| 29 | # grep: regexec.c:1342: pop_fail_stack: Assertion `num >= 0' failed.
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| 30 | LC_ALL=C grep -E '(()x)|\2' in > out
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| 31 | status=$?
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| 32 | test $status -eq 2 || test $status -eq 1 || fail=1
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| 33 |
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| 34 | Exit $fail
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