/*
 * Copyright (C) 2013 Bryan Christ <bryan.christ@mediafire.com>
 *               2014 Johannes Schauer <j.schauer@email.de>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2, as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "../mfshell.h"
#include "../commands.h"        // IWYU pragma: keep

int mfshell_cmd_lcd(mfshell * mfshell, int argc, char **argv)
{
    int             retval;
    const char     *dir;

    if (mfshell == NULL)
        return -1;

    if (argc != 2) {
        fprintf(stderr, "Invalid number of arguments\n");
        return -1;
    }

    dir = argv[1];
    if (dir == NULL)
        return -1;

    if (strlen(dir) < 1)
        return -1;

    retval = chdir(dir);
    if (retval == 0) {
        if (mfshell->local_working_dir != NULL) {
            free(mfshell->local_working_dir);
            mfshell->local_working_dir = NULL;
        }

        mfshell->local_working_dir = strdup(dir);
    }

    return retval;
}