Andrew
4f450aa637
- Move source code from `trunk` into program root directory. - Update build files and include paths. - Note: Line endings standardised from `CRLF` > `LF`, so best to view diffs with whitespace changes hidden.
20 lines
417 B
C
20 lines
417 B
C
#include <assert.h>
|
|
#include "unconst.h"
|
|
#include <string.h>
|
|
|
|
void* memchr(const void* s, int c, size_t n)
|
|
{
|
|
int d0;
|
|
register void* __res;
|
|
if (!n)
|
|
return NULL;
|
|
__asm__ __volatile__(
|
|
"repne\n\t"
|
|
"scasb\n\t"
|
|
"je 1f\n\t"
|
|
"movl $1,%0\n"
|
|
"1:\tdecl %0"
|
|
: "=D"(__res), "=&c"(d0)
|
|
: "a"(c), "0"(s), "1"(n));
|
|
return __res;
|
|
} |