ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tparand <marvin@42.fr>                     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/11/10 16:45:18 by tparand           #+#    #+#             */
/*   Updated: 2017/11/23 20:41:32 by tparand          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*new;
	size_t	s1_len;
	size_t	s2_len;

	if (!s1)
		s1_len = 0;
	else
		s1_len = ft_strlen(s1);
	if (!s2)
		s2_len = 0;
	else
		s2_len = ft_strlen(s2);
	new = ft_strnew(s1_len + s2_len);
	if (!new)
		return (NULL);
	if (s1 != NULL)
		ft_strcpy(new, s1);
	if (s2 != NULL)
		ft_strcat(new, s2);
	return (new);
}