cf87597226
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21020 a1c6a512-1295-4272-9138-f99709370657
16 lines
361 B
C
16 lines
361 B
C
#include "rocklibc.h"
|
|
|
|
char *strstr(const char *haystack, const char *needle) {
|
|
size_t nl=strlen(needle);
|
|
size_t hl=strlen(haystack);
|
|
int i;
|
|
if (!nl) goto found;
|
|
if (nl>hl) return 0;
|
|
for (i=hl-nl+1; __likely(i); --i) {
|
|
if (*haystack==*needle && !memcmp(haystack,needle,nl))
|
|
found:
|
|
return (char*)haystack;
|
|
++haystack;
|
|
}
|
|
return 0;
|
|
}
|