From 2966bba2160e3d9e828c1eadcd9a35a84878e664 Mon Sep 17 00:00:00 2001 From: Juergen Beisert Date: Fri, 9 Nov 2007 22:09:25 +0100 Subject: separating environment commands, part 1 Signed-off-by: Juergen Beisert --- commands/setenv.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 commands/setenv.c (limited to 'commands/setenv.c') diff --git a/commands/setenv.c b/commands/setenv.c new file mode 100644 index 0000000000..2127da3a8f --- /dev/null +++ b/commands/setenv.c @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2007 Sascha Hauer , 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. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/** + * @file + * @brief setenv: Set an environment variables + */ + +#include +#include +#include +#include + +static int do_setenv ( cmd_tbl_t *cmdtp, int argc, char *argv[]) +{ + if (argc < 2) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + setenv(argv[1], argv[2]); + + return 0; +} + +U_BOOT_CMD_START(setenv) + .maxargs = CONFIG_MAXARGS, + .cmd = do_setenv, + .usage = "set environment variables", + U_BOOT_CMD_HELP( + "name value ...\n" + " - set environment variable 'name' to 'value ...'\n" + "setenv name\n" + " - delete environment variable 'name'\n") +U_BOOT_CMD_END + +/** + * @page setenv_command setenv: set an environment variable + * + * Usage: setenv \ [\] + * + * Set environment variable \ to \. Without a given value, the + * environment variable will be deleted. + * + * @note This command is only available if the simple command line parser is + * in use. Within the hush shell \c setenv is not required. + */ -- cgit v1.2.3