Minishell/built-in.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   built-in.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/01/06 09:02:57 by narnaud           #+#    #+#             */
/*   Updated: 2022/05/03 18:18:23 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

int	ft_echo(char *argv[])
{
	int		no_nl;


	no_nl = 0;
	if (argv[1])
	{
		argv++;
		if (ft_strncmp(*argv, "-n", 3) == 0 && argv++)
			no_nl = 1;
		while (*argv)
		{
			ft_putstr_fd(*argv, 1);
			argv++;
			if (*argv)
				ft_putstr_fd(" ", 1);
		}
	}
	if (!no_nl)
		ft_putstr_fd("\n", 1);
	return (0);
}

int	ft_pwd(char **argv)
{
	char	*dir;

	(void)argv;
	dir = ft_calloc(PATHS_MAX_SIZE, sizeof(char));
	getcwd(dir, PATHS_MAX_SIZE);
	ft_putstr_fd(dir, 1);
	ft_putstr_fd("\n", 1);
	free(dir);
	return (0);
}

int	ft_cd(char **argv)
{
	if (argv[1])
	{
		if (access(argv[1], X_OK))
		{
			printf("Minishell: %s: %s: Permission denied\n", argv[0], argv[1]);
			return (0);
		}
		else if (access(argv[1], F_OK))
		{
			printf("Minishell: %s: %s: Not a directory\n", argv[0], argv[1]);
			return (0);
		}
		chdir(argv[1]);
		return (1);
	}
	else
	{
		chdir(getenv("HOME"));
	}
	return (0);
}

int	close_minishell(int exit_code)
{
	exit(exit_code);
}