perso
/
cos2000v2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

feat: changement radical de syntaxe des fonctions

This commit is contained in:
Nicolas Hordé 2007-04-02 13:17:40 +00:00
parent 7d8efe7b08
commit 7045741c5e
1 changed files with 35 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
lib/memory.c
View File

@ -1,38 +1,46 @@
#include "types.h" #include "types.h"
void memset(void *dest, u8 val, u16 count, u32 size) /*******************************************************************************/
/* Copie un octet une ou plusieurs fois en mémoire */
void memset(void *dst, u8 val, u32 count,u32 size)
{ {
char *temp; u8 *temp;
for(temp = (u8 *)dest; count != 0; count--) for(temp = (u8 *)dst; count != 0; count--)
{ {
*temp = val;
temp+=size; temp+=size;
*temp = val;
} }
} }
void memcpy(void *dest, const void *src, u32 size) /*******************************************************************************/
/* Copie une portion de mémoire vers une autre */
void memcpy(void *src, void *dst, u32 count, u32 size)
{ {
u8 *s, *d; char *s, *d;
u32 i; u32 i;
s = (u8*) src; s = (u8*) src;
d = (u8 *) dest; d = (u8*) dst;
for(i=0;i<size;i++){ for(i=0;i<count;i++){
*(d+i) = *(s+i); *(d+i*size) = *(s+i);
} }
} }
/*******************************************************************************/
/* Compare 2 portions de mémoire */
int memcmp(const void *src, const void *dest, int count) u32 memcmp(void *src, void *dst, u32 count, u32 size)
{ {
const unsigned char *mem1 = (const unsigned char *)src; const u8 *mem1 = (const u8 *)src;
const unsigned char *mem2 = (const unsigned char *)dest; const u8 *mem2 = (const u8 *)dst;
for(; count != 0; count--) for(; count != 0; count--)
{ {
if(*mem1 != *mem2) if(*mem1 != *mem2)
return *mem1 - *mem2; return *mem1 - *mem2;
mem1++; mem1+=size;
mem2++; mem2+=size;
} }
} }
/*******************************************************************************/