blob: 3592445b7134406f8c57a0e72768bc96a8098807 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
#ifndef TEST
void *
libsimple_memcmove(void *d_, const void *s_, int c_, size_t n) /* TODO test, man */
{
char *d = d_, c = (char)c_, *p;
const char *s = s_;
if (d < s) {
for (; n; n--, s++)
if ((*d++ = *s) == c)
return d;
} else {
for (p = *(char **)(void *)&s; n; n--, p++) {
if (*p == c) {
n = (size_t)(p - s);
p = &d[n + 1];
do { d[n] = s[n]; } while (n--);
return p;
}
}
for (n = (size_t)(p - s); n;) {
n--;
d[n] = s[n];
}
}
return NULL;
}
#else
#include "test.h"
int
main(void)
{
return 0;
}
#endif
|