libft/ft_substr.c
2020-12-16 16:53:00 +01:00

40 lines
1.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_substr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/11/29 22:54:40 by apommier #+# #+# */
/* Updated: 2020/12/16 16:45:34 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_substr(char const *s, unsigned int start, size_t len)
{
char *dest;
unsigned int i;
if (!s)
return (0);
i = 0;
dest = malloc(1 * len + 1);
if (dest == 0)
return (0);
if (start > ft_strlen(s) || len == 0)
{
dest[i] = 0;
return (dest);
}
while (len && s[i + start])
{
dest[i] = s[i + start];
len--;
i++;
}
dest[i] = 0;
return (dest);
}