ft_substr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: atabiti <atabiti@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/13 14:43:40 by atabiti           #+#    #+#             */
/*   Updated: 2021/11/22 17:24:04 by atabiti          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_substr(char const *s, unsigned int start, size_t len)
{
	char	*substr;

	if (!s)
		return (NULL);
	if (start >= (size_t)ft_strlen(s))
		return (ft_strdup(""));
	if (len > ft_strlen(s + start))
			len = ft_strlen(s + start);
	substr = (char *) malloc (len + 1);
	if (!substr)
		return (NULL);
	ft_strlcpy(substr, s + start, len + 1);
	return (substr);
}