LIBFT_42/ft_strjoin.c at main · Aztaban/LIBFT_42 · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mjusta <mjusta@student.42prague.com>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/05/27 18:08:41 by mjusta            #+#    #+#             */
/*   Updated: 2025/05/28 14:57:01 by mjusta           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*result;
	size_t	len1;
	size_t	len2;

	if (s1 == NULL || s2 == NULL)
		return (NULL);
	len1 = ft_strlen(s1);
	len2 = ft_strlen(s2);
	result = (char *)malloc(len1 + len2 + 1);
	if (!result)
		return (NULL);
	ft_memcpy(result, s1, len1);
	ft_memcpy(result + len1, s2, len2);
	result[len1 + len2] = '\0';
	return (result);
}

/*
#include <stdio.h>
int	main(void)
{
	char	*str1 = "Hello ";
	char	*str2 = "World ";

	printf("%s\n", ft_strjoin(str1, str2));
	printf("%s\n", ft_strjoin(str2, str1));
}*/