ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mle-roy <mle-roy@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2013/11/20 14:52:22 by mle-roy           #+#    #+#             */
/*   Updated: 2013/12/10 14:49:14 by mle-roy          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	if (s1 == NULL && s2 == NULL)
		return (NULL);
	if (s1 == NULL)
		return (ft_strdup(s2));
	if (s2 == NULL)
		return (ft_strdup(s1));
	new = ft_strnew(ft_strlen(s1) + ft_strlen(s2));
	return (ft_strcat(ft_strcpy(new, s1), s2));
}