libft/ft_strnstr.c
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jlasne <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/03 14:08:51 by jlasne #+# #+# */
/* Updated: 2016/11/03 14:11:20 by jlasne ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *s1, const char *s2, size_t n)
{
size_t cpt;
size_t cpt2;
size_t size;
cpt = 0;
cpt2 = 0;
size = ft_strlen(s2);
if (!size)
return ((char *)s1);
while (s1[cpt])
{
while (s2[cpt2] == s1[cpt + cpt2] && cpt + cpt2 < n)
{
if (cpt2 == size - 1)
return ((char *)&s1[cpt]);
cpt2++;
}
cpt2 = 0;
cpt++;
}
return (NULL);
}