ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: smurad <smurad@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/12/15 20:28:28 by smurad            #+#    #+#             */
/*   Updated: 2019/12/18 08:05:14 by smurad           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*res;
	int		i;

	res = NULL;
	i = 0;
	if (!s1 || !s2 || !(res = malloc(sizeof(char) *
	(ft_strlen(s1) + ft_strlen(s2) + 1))))
		return (res);
	while (*s1)
		res[i++] = *s1++;
	while (*s2)
		res[i++] = *s2++;
	res[i] = '\0';
	return (res);
}