diff options
Diffstat (limited to 'compat/memmem.c')
| -rw-r--r-- | compat/memmem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compat/memmem.c b/compat/memmem.c index cd0d877364..56bcb4277f 100644 --- a/compat/memmem.c +++ b/compat/memmem.c @@ -5,6 +5,8 @@ void *gitmemmem(const void *haystack, size_t haystack_len, { const char *begin = haystack; const char *last_possible = begin + haystack_len - needle_len; + const char *tail = needle; + char point; /* * The first occurrence of the empty string is deemed to occur at @@ -20,8 +22,9 @@ void *gitmemmem(const void *haystack, size_t haystack_len, if (haystack_len < needle_len) return NULL; + point = *tail++; for (; begin <= last_possible; begin++) { - if (!memcmp(begin, needle, needle_len)) + if (*begin == point && !memcmp(begin + 1, tail, needle_len - 1)) return (void *)begin; } |