39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* ft_strstr.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: gbrochar <marvin@42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2015/11/27 10:24:53 by gbrochar #+# #+# */
|
|
/* Updated: 2015/11/28 16:38:40 by gbrochar ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "libft.h"
|
|
|
|
char *ft_strstr(const char *s1, char *s2)
|
|
{
|
|
int i;
|
|
int i_mem;
|
|
int i_tofind;
|
|
|
|
i_mem = 0;
|
|
if (s2[0] == '\0')
|
|
return ((char *)s1);
|
|
while (s1[i_mem] != '\0')
|
|
{
|
|
i_tofind = 0;
|
|
while (s1[i_mem] != s2[i_tofind] && s1[i_mem] != '\0')
|
|
i_mem++;
|
|
if (s1[i_mem] == '\0')
|
|
return (NULL);
|
|
i = i_mem;
|
|
while (s1[i++] == s2[i_tofind] || s2[i_tofind] == '\0')
|
|
if (s2[i_tofind++] == '\0')
|
|
return ((char *)&s1[i_mem]);
|
|
i_mem++;
|
|
}
|
|
return (NULL);
|
|
}
|