/* * 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 setenv: Set an environment variables */ #include <common.h> #include <command.h> #include <errno.h> #include <environment.h> static int do_setenv(int argc, char *argv[]) { if (argc < 2) return COMMAND_ERROR_USAGE; setenv(argv[1], argv[2]); return 0; } BAREBOX_CMD_HELP_START(setenv) BAREBOX_CMD_HELP_TEXT("Set environment variable NAME to VALUE.") BAREBOX_CMD_HELP_TEXT("If VALUE is ommitted, then the variable is deleted.") BAREBOX_CMD_HELP_END /** * @page setenv_command <p> This command is only available if the simple command line parser is in use. Within the hush shell, \c setenv is not required.</p> */ BAREBOX_CMD_START(setenv) .cmd = do_setenv, BAREBOX_CMD_DESC("set environment variable") BAREBOX_CMD_OPTS("NAME [VALUE]") BAREBOX_CMD_GROUP(CMD_GRP_ENV) BAREBOX_CMD_HELP(cmd_setenv_help) BAREBOX_CMD_END