linux/arch/x86/lib/memmove_64.c

22 lines
469 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 = dest + count;
const char *s = src + count;
while (count--)
*--p = *--s;
}
return dest;
}
EXPORT_SYMBOL(memmove);