source:
trunk/sys/dietlibc/memmem.c
@
302
| Last change on this file since 302 was 1, checked in by , 8 years ago | |
|---|---|
| File size: 307 bytes | |
| Rev | Line | |
|---|---|---|
| [1] | 1 | #define _GNU_SOURCE 23 |
| 2 | #include <sys/types.h> | |
| 3 | #include <string.h> | |
| 4 | ||
| 5 | void *memmem(const void* haystack, size_t hl, const void* needle, size_t nl) { | |
| 6 | int i; | |
| 7 | if (nl>hl) return 0; | |
| 8 | for (i=hl-nl+1; i; --i) { | |
| 9 | if (!memcmp(haystack,needle,nl)) | |
| 10 | return (char*)haystack; | |
| 11 | ++haystack; | |
| 12 | } | |
| 13 | return 0; | |
| 14 | } |
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