reactos/lib/sdk/crt/mem/memmove.c
Cameron Gutman 29fa274d6d - Create another branch for networking fixes
- TSVN choked repeatedly when attempting to merge ~9000 revs into the branch (tried 3 times on 2 different computers)
 - If someone wants to delete aicom-network-fixes, they are welcome to
 - Lesson learned: Letting a branch get thousands of revs out of date is a horrible idea

svn path=/branches/aicom-network-branch/; revision=44353
2009-12-02 03:23:19 +00:00

36 lines
759 B
C

#include <string.h>
/* NOTE: This code is duplicated in memcpy function */
void * memmove(void *dest,const void *src,size_t count)
{
char *char_dest = (char *)dest;
char *char_src = (char *)src;
if ((char_dest <= char_src) || (char_dest >= (char_src+count)))
{
/* non-overlapping buffers */
while(count > 0)
{
*char_dest = *char_src;
char_dest++;
char_src++;
count--;
}
}
else
{
/* overlaping buffers */
char_dest = (char *)dest + count - 1;
char_src = (char *)src + count - 1;
while(count > 0)
{
*char_dest = *char_src;
char_dest--;
char_src--;
count--;
}
}
return dest;
}