rt/libft/ft_strsub.c

36 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strsub.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: scebula <scebula@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2015/11/26 10:57:04 by scebula #+# #+# */
/* Updated: 2015/12/04 00:57:45 by scebula ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strsub(char const *s, unsigned int start, size_t len)
{
char *str;
size_t i;
unsigned int k;
if (len > (ft_strlen(s) - start) || start > ft_strlen(s))
return (NULL);
str = ft_strnew(len);
if (str == NULL)
return (NULL);
k = start;
i = 0;
while (i < len)
{
str[i] = s[k];
i++;
k++;
}
return (str);
}