ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dporhomo <dporhomo@student.42prague.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/11/16 00:35:34 by dporhomo          #+#    #+#             */
/*   Updated: 2025/11/24 11:10:07 by dporhomo         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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