ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sperez-p <sperez-p@student.42urduliz.com>  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/08/20 17:59:15 by sperez-p          #+#    #+#             */
/*   Updated: 2021/09/06 17:24:48 by sperez-p         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*dest;
	size_t	s1_len;
	size_t	s2_len;

	if (!s1 || !s2)
		return (NULL);
	s1_len = ft_strlen(s1);
	s2_len = ft_strlen(s2);
	dest = (char *)malloc(sizeof(char) * (s1_len + s2_len + 1));
	if (!dest)
		return (NULL);
	ft_strlcpy(dest, s1, s1_len + 1);
	ft_strlcat(&dest[s1_len], s2, s2_len + 1);
	return (dest);
}