ft_substr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dpoveda- <me@izenynn.com>                  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/09/17 17:48:02 by dpoveda-          #+#    #+#             */
/*   Updated: 2023/03/13 17:29:15 by dpoveda-         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft/ft_str.h"

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

	if (!s)
		return (NULL);
	if (ft_strlen(s) < start)
		return (ft_strdup(""));
	out_len = ft_strlen(s + start);
	if (out_len < len)
		len = out_len;
	out = malloc(len + 1);
	if (!out)
		return (NULL);
	ft_strlcpy(out, s + start, len + 1);
	return (out);
}