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ft_substr.c
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ft_substr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_substr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dalcabre <dalcabre@student.42urduliz.co +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/15 11:35:26 by dalcabre #+# #+# */
/* Updated: 2024/01/25 16:40:42 by dalcabre ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_substr(char const *s, unsigned int start, size_t n)
{
size_t len_s;
char *sub;
if (!s)
return (NULL);
len_s = ft_strlen(s);
if (start >= len_s)
return (ft_strdup(""));
if (n > len_s - start)
n = len_s - start;
s = s + start;
sub = malloc (n + 1);
if (sub == NULL)
return (NULL);
ft_memcpy(sub, s, n);
sub[n] = '\0';
return (sub);
}
/*#include <stdio.h>
int main(void)
{
const char *s = "There are two and the one in the middle falls";
const char *sub = ft_substr(s, 4, 12);
printf("%s", sub);
free(sub);
return (0);
}*/