21sh/ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mazimi <mazimi@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2014/11/10 17:27:47 by mazimi            #+#    #+#             */
/*   Updated: 2015/06/25 16:03:01 by mazimi           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*str;

	if (s1 == NULL || s2 == NULL)
		return (NULL);
	str = ft_strnew(ft_strlen(s1) + ft_strlen(s2));
	ft_strcpy(str, s1);
	return (ft_strcat(str, s2));
}