-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_strncmp.c
35 lines (32 loc) · 1.36 KB
/
ft_strncmp.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
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strncmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mschumac <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/05/20 18:42:15 by mschumac #+# #+# */
/* Updated: 2017/05/21 00:08:16 by mschumac ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_strncmp(const char *s1, const char *s2, size_t n)
{
int i;
const unsigned char *signed_s1;
const unsigned char *signed_s2;
signed_s1 = (const unsigned char*)s1;
signed_s2 = (const unsigned char*)s2;
i = 0;
if (n == 0)
return (0);
if (signed_s1[0] == '\0' || signed_s2[0] == '\0')
return (signed_s1[i] - signed_s2[i]);
while (n--)
{
if (signed_s1[i] != signed_s2[i] || signed_s1[i] == '\0')
return (signed_s1[i] - signed_s2[i]);
i++;
}
return (0);
}