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| author | markj <markj@FreeBSD.org> | 2013-01-05 22:04:40 +0000 |
|---|---|---|
| committer | markj <markj@FreeBSD.org> | 2013-01-05 22:04:40 +0000 |
| commit | caa5b965eaffffc27e7d03470c2f9ba4badbbb40 (patch) | |
| tree | e5b739ada877a27b539a3328c851900b70e14f43 | |
| parent | aa8d1947b9017e09520e38f520fe26e4d03c80d6 (diff) | |
| download | FreeBSD-src-caa5b965eaffffc27e7d03470c2f9ba4badbbb40.zip FreeBSD-src-caa5b965eaffffc27e7d03470c2f9ba4badbbb40.tar.gz | |
Fix a segfault when bsdgrep -i is given an empty pattern string.
PR: bin/172865
Reviewed by: gabor
Approved by: emaste (co-mentor)
MFC after: 1 week
| -rw-r--r-- | usr.bin/grep/regex/tre-fastmatch.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/usr.bin/grep/regex/tre-fastmatch.c b/usr.bin/grep/regex/tre-fastmatch.c index 6f1aec6..b7a7c91 100644 --- a/usr.bin/grep/regex/tre-fastmatch.c +++ b/usr.bin/grep/regex/tre-fastmatch.c @@ -468,7 +468,7 @@ static int fastcmp(const fastmatch_t *fg, const void *data, fg->nosub = (cflags & REG_NOSUB); \ \ /* Cannot handle REG_ICASE with MB string */ \ - if (fg->icase && (TRE_MB_CUR_MAX > 1)) \ + if (fg->icase && (TRE_MB_CUR_MAX > 1) && n > 0) \ { \ DPRINT(("Cannot use fast matcher for MBS with REG_ICASE\n")); \ return REG_BADPAT; \ |
