gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

memcpy(): faster version using ASM rep; movsl

Browse Source
This commit is contained in:
Balazs Gerofi
2016-11-23 08:51:22 +09:00
parent 64607152ee
commit 2f8cca2d6d
3 changed files with 35 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
lib/include/string.h
View File

@ -14,6 +14,7 @@
#define __STRING_H
#include <types.h>
#include <arch-string.h>
size_t strlen(const char *p);
size_t strnlen(const char *p, size_t maxlen);
@ -29,6 +30,12 @@ void *memcpy_long(void *dest, const void *src, size_t n);
int memcmp(const void *s1, const void *s2, size_t n);
void *memset(void *s, int n, size_t l);
#ifdef ARCH_FAST_MEMCPY
#define fast_memcpy __inline_memcpy
#else
#define fast_memcpy memcpy
#endif
extern int snprintf(char * buf, size_t size, const char *fmt, ...);
extern int sprintf(char * buf, const char *fmt, ...);
extern int sscanf(const char * buf, const char * fmt, ...);