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| author | Uwe Zeisberger <zeisberg@informatik.uni-freiburg.de> | 2006-06-21 11:04:12 +0200 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2006-06-21 02:30:46 -0700 |
| commit | bb9e15a83c425ff31e4da6b004bd4557d528b755 (patch) | |
| tree | 1fd9cce933413556be5994202c7bead7222df370 /builtin-grep.c | |
| parent | 4170af82328e50a75723cee084ae779e7a882b9d (diff) | |
| download | git-bb9e15a83c425ff31e4da6b004bd4557d528b755.tar.gz git-bb9e15a83c425ff31e4da6b004bd4557d528b755.tar.xz | |
Fix possible out-of-bounds array access
If match is "", match[-1] is accessed. Let pathspec_matches return 1 in that
case indicating that "" matches everything.
Incidently this fixes git-grep'ing in ".".
Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'builtin-grep.c')
| -rw-r--r-- | builtin-grep.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/builtin-grep.c b/builtin-grep.c index 980649926..f7767bb4e 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -29,10 +29,11 @@ static int pathspec_matches(const char **paths, const char *name) int matchlen = strlen(match); const char *cp, *meta; - if ((matchlen <= namelen) && - !strncmp(name, match, matchlen) && - (match[matchlen-1] == '/' || - name[matchlen] == '\0' || name[matchlen] == '/')) + if (!matchlen || + ((matchlen <= namelen) && + !strncmp(name, match, matchlen) && + (match[matchlen-1] == '/' || + name[matchlen] == '\0' || name[matchlen] == '/'))) return 1; if (!fnmatch(match, name, 0)) return 1; |