/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: joelecle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:07:10 by joelecle          #+#    #+#             */
/*   Updated: 2020/02/14 17:07:10 by joelecle         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <libft.h>

char
	*ft_strjoin(const char *s1, const char *s2)
{
	char	*str;
	size_t	i;
	size_t	j;
	size_t	len;

	if (!s1 || !s2)
		return (NULL);
	len = ft_strlen(s1) + ft_strlen(s2);
	if (!(str = ft_nstr(len)))
		return (NULL);
	i = 0;
	j = 0;
	while (s1[i] != '\0')
	{
		str[i] = s1[i];
		i++;
	}
	while (s2[j] != '\0')
	{
		str[i] = s2[j];
		i++;
		j++;
	}
	str[i] = '\0';
	return (str);
}