-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_memmove.c
51 lines (45 loc) · 1.45 KB
/
ft_memmove.c
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
43
44
45
46
47
48
49
50
51
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memmove.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: sizerese <sizerese@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/07/08 22:10:24 by sizerese #+# #+# */
/* Updated: 2023/08/11 19:57:53 by sizerese ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
void *ft_memmove(void *dest, const void *src, size_t len)
{
int c1;
unsigned char *s1;
const unsigned char *s2;
c1 = len - 1;
s1 = (unsigned char *)dest;
s2 = (unsigned char *)src;
if (!s1 && !s2)
return (NULL);
if (s1 > s2)
{
while (c1 >= 0)
{
s1[c1] = s2[c1];
c1--;
}
}
else
ft_memcpy(s1, s2, len);
return (s1);
}
/*
int main(void)
{
char dest[] = "hello";
//const char src[] = "newstring";
printf("Before memmove dest = %s\n", dest);
ft_memmove(dest, dest+2, 5);
printf("after memmove dest = %s\n", dest);
return(0);
}
*/