ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sgrindhe <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/07/30 19:00:33 by sgrindhe          #+#    #+#             */
/*   Updated: 2018/08/02 16:54:27 by sgrindhe         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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