ft_substr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_substr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: aymohamm <aymohamm@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/03 14:51:47 by aymohamm          #+#    #+#             */
/*   Updated: 2023/11/22 12:09:06 by aymohamm         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	if (!s)
		return (NULL);
	slen = ft_strlen(s);
	if (start > slen)
		return (ft_strdup(""));
	if (len > slen - start)
		len = slen - start;
	new = (char *)malloc((len + 1) * sizeof(char));
	if (!new)
		return (NULL);
	ft_strlcpy(new, s + start, len + 1);
	return (new);
}