ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jkwayiba <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/06/24 23:12:57 by jkwayiba          #+#    #+#             */
/*   Updated: 2019/06/25 00:05:51 by jkwayiba         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	size_t	i;
	size_t	j;
	size_t	k;
	char	*s3;

	if (!s1 || !s2)
		return (NULL);
	i = ft_strlen(s1);
	j = ft_strlen(s2);
	k = i + j;
	if (!(s3 = ft_strnew(k)))
		return (NULL);
	s3 = ft_strcat(s3, (char *)s1);
	s3 = ft_strcat(s3, (char *)s2);
	return (s3);
}