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ft_substr.c
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ft_substr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_substr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: alaparic <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/09/16 18:11:00 by alaparic #+# #+# */
/* Updated: 2022/09/29 20:18:07 by alaparic ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_substr(char const *s, unsigned int start, size_t len)
{
char *sub;
int i;
size_t possub;
size_t lenstr;
if (!s)
return (0);
lenstr = ft_strlen((char *)s);
if (start > lenstr)
{
sub = malloc(1);
*sub = 0;
return (sub);
}
if (len > lenstr)
len = lenstr - start;
sub = malloc(sizeof(char) * (len + 1));
if (!sub)
return (0);
possub = start + len;
i = 0;
while (start < possub && s[start] != 0)
sub[i++] = s[start++];
sub[i] = '\0';
return (sub);
}