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tomoron
2024-12-02 12:32:14 +01:00
commit 60acac0231
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39
2022/2/libft/ft_strnstr.c Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/07/16 02:50:08 by tomoron #+# #+# */
/* Updated: 2023/11/01 13:21:17 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *str, const char *to_find, size_t len)
{
unsigned int s_i;
unsigned int tf_i;
unsigned int tf_l;
char *res;
s_i = 0;
tf_l = 0;
res = (char *)str;
while (to_find && to_find[tf_l])
tf_l++;
if (tf_l == 0)
return (res);
while (str && str[s_i] && s_i <= len)
{
tf_i = 0;
while (str[s_i + tf_i] == to_find[tf_i]
&& to_find[tf_i] && s_i + tf_i <= len)
tf_i++;
if (tf_i == tf_l && s_i + tf_i <= len)
return (res + s_i);
s_i++;
}
return (0);
}