ft_strndup.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strndup.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tyeung <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/09/30 19:59:22 by tyeung            #+#    #+#             */
/*   Updated: 2019/09/30 19:59:24 by tyeung           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strndup(const char *s1, size_t n)
{
	char	*out;
	size_t	len;

	if (!(out = (char*)ft_memalloc(sizeof(char) * (n + 1))))
	{
		return (NULL);
	}
	len = 0;
	while (s1[len] && len < n)
	{
		out[len] = (char)s1[len];
		len++;
	}
	out[len] = '\0';
	return (out);
}