ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sutku <sutku@student.42heilbronn.de>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/20 04:28:21 by sutku             #+#    #+#             */
/*   Updated: 2022/10/20 04:51:47 by sutku            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	int		i;
	int		j;
	char	*arr;

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