| Last change
 on this file since 3675 was             3529, checked in by bird, 4 years ago | 
        
          | 
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                 * | 
        
          | 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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