source: trunk/sys/dietlibc/memmove.c @ 303

Last change on this file since 303 was 1, checked in by alain, 8 years ago

First import

File size: 382 bytes
Line 
1#define _POSIX_SOURCE
2#define _XOPEN_SOURCE
3#include <sys/types.h>
4#include <string.h>
5
6void *memmove(void *dst, const void *src, size_t count)
7{
8  char *a = dst;
9  const char *b = src;
10  if (src!=dst)
11  {
12    if (src>dst)
13    {
14      while (count--) *a++ = *b++;
15    }
16    else
17    {
18      a+=count-1;
19      b+=count-1;
20      while (count--) *a-- = *b--;
21    }
22  }
23  return dst;
24}
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