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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: kdx <kdx @student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/09/28 00:07:22 by kdx #+# #+# */
/* Updated: 2022/10/14 02:26:20 by kdx ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *big, const char *little, size_t len)
{
size_t i;
size_t little_len;
size_t cmp_len;
little_len = ft_strlen(little);
if (little_len == 0 || (big == little && little_len <= len))
return ((char *)big);
if (len == 0)
return (NULL);
i = 0;
while (big[i] != '\0' && i < len && little_len <= len - i)
{
cmp_len = len - i;
if (little_len < cmp_len)
cmp_len = little_len;
if (ft_strncmp(big + i, little, cmp_len) == 0)
return ((char *)big + i);
i += 1;
}
return (NULL);
}
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