53 lines
870 B
C
53 lines
870 B
C
|
/*
|
||
|
|
* $Id: mem.c,v 1.3 2007/04/30 05:55:36 bacon Exp $
|
||
|
|
*
|
||
|
|
* {License}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <ase/cmn/mem.h>
|
||
|
|
|
||
|
|
void* ase_memcpy (void* dst, const void* src, ase_size_t n)
|
||
|
|
{
|
||
|
|
void* p = dst;
|
||
|
|
void* e = (ase_byte_t*)dst + n;
|
||
|
|
|
||
|
|
while (dst < e)
|
||
|
|
{
|
||
|
|
*(ase_byte_t*)dst = *(ase_byte_t*)src;
|
||
|
|
dst = (ase_byte_t*)dst + 1;
|
||
|
|
src = (ase_byte_t*)src + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
void* ase_memset (void* dst, int val, ase_size_t n)
|
||
|
|
{
|
||
|
|
void* p = dst;
|
||
|
|
void* e = (ase_byte_t*)p + n;
|
||
|
|
|
||
|
|
while (p < e)
|
||
|
|
{
|
||
|
|
*(ase_byte_t*)p = (ase_byte_t)val;
|
||
|
|
p = (ase_byte_t*)p + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return dst;
|
||
|
|
}
|
||
|
|
|
||
|
|
int ase_memcmp (const void* s1, const void* s2, ase_size_t n)
|
||
|
|
{
|
||
|
|
const void* e;
|
||
|
|
|
||
|
|
if (n == 0) return 0;
|
||
|
|
|
||
|
|
e = (const ase_byte_t*)s1 + n - 1;
|
||
|
|
while (s1 < e && *(ase_byte_t*)s1 == *(ase_byte_t*)s2)
|
||
|
|
{
|
||
|
|
s1 = (ase_byte_t*)s1 + 1;
|
||
|
|
s2 = (ase_byte_t*)s2 + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return *((ase_byte_t*)s1) - *((ase_byte_t*)s2);
|
||
|
|
}
|