-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_substr.c
40 lines (37 loc) · 1.4 KB
/
ft_substr.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
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_substr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: akoudia <akoudia@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/06 12:24:18 by akoudia #+# #+# */
/* Updated: 2022/10/20 19:58:58 by akoudia ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_substr(char const *s, unsigned int start, size_t len)
{
char *substring;
size_t s_len;
s_len = len;
if (!s)
return (NULL);
if (s_len > ft_strlen(s))
{
substring = (char *)malloc((unsigned int) ft_strlen(s) + 1);
s_len = ft_strlen(s) - start;
}
else
substring = (char *)malloc(s_len + 1);
if (!substring)
return (NULL);
if (start >= ft_strlen(s))
{
substring[0] = '\0';
return (substring);
}
ft_memcpy(substring, s + start, s_len);
substring[s_len] = '\0';
return (substring);
}