66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
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* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file
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* @brief setenv: Set an environment variables
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*/
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#include <common.h>
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#include <command.h>
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#include <errno.h>
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#include <environment.h>
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static int do_setenv ( cmd_tbl_t *cmdtp, int argc, char *argv[])
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{
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if (argc < 2)
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return COMMAND_ERROR_USAGE;
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setenv(argv[1], argv[2]);
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return 0;
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}
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static const __maybe_unused char cmd_setenv_help[] =
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"name value ...\n"
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" - set environment variable 'name' to 'value ...'\n"
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"setenv name\n"
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" - delete environment variable 'name'\n";
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U_BOOT_CMD_START(setenv)
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.maxargs = CONFIG_MAXARGS,
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.cmd = do_setenv,
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.usage = "set environment variables",
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U_BOOT_CMD_HELP(cmd_setenv_help)
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U_BOOT_CMD_END
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/**
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* @page setenv_command setenv: set an environment variable
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*
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* Usage: setenv \<name> [\<value>]
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*
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* Set environment variable \<name> to \<value>. Without a given value, the
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* environment variable will be deleted.
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*
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* @note This command is only available if the simple command line parser is
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* in use. Within the hush shell \c setenv is not required.
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*/
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