32 lines
773 B
C
32 lines
773 B
C
|
/*
|
||
|
|
* memory.c
|
||
|
|
* by Reisyukaku
|
||
|
|
*/
|
||
|
|
#include "memory.h"
|
||
|
|
|
||
|
|
void memcpy(u8 *dest, u8 *src, u32 size){
|
||
|
|
for (u32 i = 0; i < size; i++) dest[i] = src[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
void memcpy32(u32 *dest, u32 *src, u32 size){
|
||
|
|
for (u32 i = 0; i < size; i++) dest[i] = src[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
void memset(u8 *dest, u32 fill, u32 size){
|
||
|
|
for (u32 i = 0; i < size; i++) dest[i] = fill;
|
||
|
|
}
|
||
|
|
|
||
|
|
int memcmp(u8 *buf1, u8 *buf2, u32 size){
|
||
|
|
for (u32 i = 0; i < size; i++) {
|
||
|
|
int cmp = buf1[i] - buf2[i];
|
||
|
|
if (cmp != 0) return cmp;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
u32 *memsearch(u8 *start_pos, u8 *search, u32 size, u32 size_search){
|
||
|
|
for (u8 *pos = start_pos; pos <= start_pos + size - size_search; pos++) {
|
||
|
|
if (memcmp(pos, search, size_search) == 0) return (u32*)pos;
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|