diff --git a/compat/memmem.c b/compat/memmem.c
index cd0d8773641f2fdc808d8b246a8dd2bcd0e5814d..56bcb4277f47c295993c853a84edfe45e6aa3911 100644 (file)
--- a/compat/memmem.c
+++ b/compat/memmem.c
{
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
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;
}