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ft_substr.c
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ft_substr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_substr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: kakiba <kotto555555@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/07/12 00:12:45 by kakiba #+# #+# */
/* Updated: 2022/07/27 14:51:16 by kakiba ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_substr(char const *s, unsigned int start, size_t len)
{
char *s2;
if (s == NULL)
return (NULL);
if (start >= ft_strlen(s) || len == 0)
{
s2 = ft_calloc(1, 1);
if (s2 == NULL)
return (NULL);
return (s2);
}
if (ft_strlen(s) < len + start)
s2 = (char *)malloc(ft_strlen(s + start) + 1);
else
s2 = malloc(len + 1);
if (s2 != NULL)
ft_strlcpy(s2, s + start, len + 1);
else
return (NULL);
return (s2);
}