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/*
* cd.c - change working directory
*
* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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.
*
*/
/**
* @file
* @brief Change working directory
*/
#include <common.h>
#include <command.h>
#include <fs.h>
#include <errno.h>
static int do_cd(int argc, char *argv[])
{
int ret;
if (argc == 1)
ret = chdir("/");
else
ret = chdir(argv[1]);
if (ret) {
perror("chdir");
return 1;
}
return 0;
}
BAREBOX_CMD_HELP_START(cd)
BAREBOX_CMD_HELP_TEXT("If called without an argument, change to the root directory '/'.")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(cd)
.cmd = do_cd,
BAREBOX_CMD_DESC("change working directory")
BAREBOX_CMD_OPTS("DIRECTORY")
BAREBOX_CMD_GROUP(CMD_GRP_FILE)
BAREBOX_CMD_HELP(cmd_cd_help)
BAREBOX_CMD_END
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