ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lpires-n <lpires-n@student.42sp.org.br>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/06/06 18:48:52 by lpires-n          #+#    #+#             */
/*   Updated: 2022/06/10 03:32:51 by lpires-n         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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