mirror of
https://github.com/torvalds/linux.git
synced 2024-11-14 16:12:02 +00:00
6bfa9bb519
- Use tail call from clear_user to __clear_user to save some code size - Use standard memcpy for forward memmove Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
22 lines
480 B
C
22 lines
480 B
C
/* Normally compiler builtins are used, but sometimes the compiler calls out
|
|
of line code. Based on asm-i386/string.h.
|
|
*/
|
|
#define _STRING_C
|
|
#include <linux/string.h>
|
|
#include <linux/module.h>
|
|
|
|
#undef memmove
|
|
void *memmove(void * dest,const void *src,size_t count)
|
|
{
|
|
if (dest < src) {
|
|
return memcpy(dest,src,count);
|
|
} else {
|
|
char *p = (char *) dest + count;
|
|
char *s = (char *) src + count;
|
|
while (count--)
|
|
*--p = *--s;
|
|
}
|
|
return dest;
|
|
}
|
|
EXPORT_SYMBOL(memmove);
|