ft_strsub.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strsub.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jpinyot <marvin@42.fr>                     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/11/13 20:03:21 by jpinyot           #+#    #+#             */
/*   Updated: 2017/11/16 00:12:45 by jpinyot          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strsub(char const *s, unsigned int start, size_t len)
{
	char	*str;
	size_t	i;

	i = 0;
	if (s == NULL)
		return (NULL);
	if (start > ft_strlen(s) || len > ft_strlen(s))
		return (NULL);
	if (!(str = (char *)malloc(sizeof(char) * (len + 1))))
		return (NULL);
	while (i < len)
	{
		str[i] = s[start];
		i++;
		start++;
	}
	str[i] = '\0';
	return (str);
}