LIBFT/ft_strjoin.c at main · SaraFreitas-dev/LIBFT · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sarfreit <sarfreit@student.42porto.com>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/10/19 20:07:23 by sarfreit          #+#    #+#             */
/*   Updated: 2025/10/19 20:07:23 by sarfreit         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	i = 0;
	j = 0;
	if (!s1 || !s2)
		return (NULL);
	new_str = (char *) malloc (ft_strlen(s1) + ft_strlen(s2) + 1);
	if (!new_str)
		return (NULL);
	while (s1[i])
	{
		new_str[i] = s1[i];
		i++;
	}
	while (s2[j])
		new_str[i++] = s2[j++];
	new_str[i] = '\0';
	return (new_str);
}
/*
#include <stdio.h>

int	main(void)
{
	const char *s1 = "Hello";
	const char *s2 = " World";
	char *new_str = ft_strjoin(s1, s2);

	printf("%s", new_str);
	free(new_str);

	return (0);
}
*/