woody-woodpacker/ft_printf/libft/ft_strnstr.c

30 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: pbonilla <eirodeis.lepnj@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/11/09 19:15:12 by pbonilla #+# #+# */
/* Updated: 2021/01/30 18:31:22 by pbonilla ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *big, const char *little, size_t len)
{
size_t len_l;
if (*little == 0)
return ((char *)big);
len_l = ft_strlen(little);
while (*big != 0 && len-- >= len_l)
{
if (*big == *little && ft_strncmp(big, little, len_l) == 0)
return ((char *)big);
big++;
}
return (NULL);
}