40 lines
1.4 KiB
C
Executable File
40 lines
1.4 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strnstr.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/07/16 02:50:08 by tomoron #+# #+# */
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/* Updated: 2023/11/01 13:21:17 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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char *ft_strnstr(const char *str, const char *to_find, size_t len)
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{
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unsigned int s_i;
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unsigned int tf_i;
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unsigned int tf_l;
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char *res;
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s_i = 0;
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tf_l = 0;
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res = (char *)str;
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while (to_find && to_find[tf_l])
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tf_l++;
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if (tf_l == 0)
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return (res);
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while (str && str[s_i] && s_i <= len)
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{
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tf_i = 0;
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while (str[s_i + tf_i] == to_find[tf_i]
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&& to_find[tf_i] && s_i + tf_i <= len)
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tf_i++;
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if (tf_i == tf_l && s_i + tf_i <= len)
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return (res + s_i);
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s_i++;
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}
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return (0);
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}
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