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ft_substr.c
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ft_substr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_substr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: chchin <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/07 11:39:33 by chchin #+# #+# */
/* Updated: 2022/04/07 12:01:27 by chchin ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_substr(char const *s, unsigned int start, size_t len)
{
size_t s_len;
size_t total_size;
char *s2;
if (!s)
return (0);
s_len = ft_strlen(s);
total_size = 0;
if (len <= s_len - start && s_len > start)
total_size = len;
else if (len > s_len - start && s_len > start)
total_size = s_len - start;
s2 = (char *)malloc(sizeof(char) * total_size + 1);
if (!s2)
return (0);
ft_strlcpy(s2, s + start, total_size + 1);
return (s2);
}