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Last change
on this file was 2595, checked in by bird, 13 years ago |
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gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)
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File size:
622 bytes
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| 1 | #!/bin/sh
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| 2 | # These would fail (i.e., match erroneously) prior to grep-2.11.
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| 3 | . "${srcdir=.}/init.sh"; path_prepend_ ../src
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| 4 |
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| 5 | xp1=4294967297 # 2^32+1
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| 6 | xp2=4294967298 # 2^32+2
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| 7 |
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| 8 | fail=0
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| 9 |
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| 10 | # Before grep-2.11, when DFA-matching, a repetition count exceeding the
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| 11 | # range of "unsigned int" would silently wrap around. Hence, 2^32+1
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| 12 | # would be treated just like "1", and both of these would mistakenly match.
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| 13 |
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| 14 | echo abc | grep -E "b{$xp1}" > out 2> /dev/null; test $? = 2 || fail=1
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| 15 | compare /dev/null out || fail=1
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| 16 | echo abbc | grep -E "b{1,$xp2}" > out 2> /dev/null; test $? = 2 || fail=1
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| 17 | compare /dev/null out || fail=1
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| 18 |
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| 19 | Exit $fail
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