ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: msubtil- <msubtil-@student.42sp.org.br>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/04/12 15:31:45 by msubtil-          #+#    #+#             */
/*   Updated: 2022/04/25 17:56:54 by msubtil-         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*res;
	size_t	len;

	len = ft_strlen(s1) + ft_strlen(s2);
	res = (char *) malloc(sizeof(char) * (len + 1));
	if (res == (NULLPTR))
		return (NULLPTR);
	while (*s1)
		*res++ = *s1++;
	while (*s2)
		*res++ = *s2++;
	*res = '\0';
	return (res - len);
}