minishell/libft/ft_strnstr.c
2025-06-04 14:58:04 +02:00

37 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: vvobis <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/03 15:36:41 by vvobis #+# #+# */
/* Updated: 2024/04/10 16:42:02 by vvobis ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(char const *s1, char const *s2, size_t n)
{
size_t i;
size_t j;
if (!*s2)
return ((char *)s1);
i = 0;
while (i < n && s1[i])
{
j = 0;
if (s1[i + j] == s2[j])
{
while (s1[i + j] == s2[j] && s1[i + j] && i + j < n)
j++;
if (!s2[j])
return ((char *)&s1[i]);
}
i++;
}
return (NULL);
}