/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: madumerg <madumerg@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/07/27 17:26:43 by madumerg          #+#    #+#             */
/*   Updated: 2024/07/09 15:36:26 by madumerg         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	if (!s1)
		return (ft_strdup(s2));
	if (!s2)
		return (ft_strdup(s1));
	len = ft_strlen(s1) + ft_strlen(s2);
	str = malloc(sizeof(char) * (len + 1));
	if (!str)
		return (NULL);
	i = 0;
	while (s1[i] != '\0')
	{
		str[i] = s1[i];
		i++;
	}
	j = 0;
	while (s2[j] != '\0')
		str[i++] = s2[j++];
	str[i] = '\0';
	return (str);
}