ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: elraira- <elraira-@student.42sp.org.br>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/08/17 14:50:44 by elraira-          #+#    #+#             */
/*   Updated: 2021/08/17 15:05:40 by elraira-         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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