/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   cd.c                                               :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/12/04 19:31:19 by lperrey           #+#    #+#             */
/*   Updated: 2021/12/04 20:01:37 by lperrey          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

int	builtin_cd(int argc, char *argv[], t_all *c)
{
	char	*tmp;

	if (argc == 2)
		tmp = argv[1];
	else if (argc < 2)
	{
		tmp = getenv("HOME");
		if (!tmp)
		{
			shell_error("cd: ", "HOME not set");
			return (EXIT_FAILURE);
		}
	}
	else if (argc > 2)
	{
		shell_error("cd: ", "too many arguments");
		return (EXIT_FAILURE);
	}
	if (chdir(tmp) == -1)
	{
		shell_perror("cd: ", tmp, ": ");
		return (EXIT_FAILURE);
	}
	tmp = init_prompt(c->prompt_base);
	if (!tmp)
		return (ft_reti_perror(EXIT_FAILURE, "builtin_cd, init_prompt()"));
	free(c->prompt);
	c->prompt = tmp;
	return (EXIT_SUCCESS);
}