63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* global.c - global shell variables
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*
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* Copyright (c) 2012 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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#include <common.h>
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#include <malloc.h>
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#include <command.h>
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#include <globalvar.h>
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#include <environment.h>
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static int do_global(int argc, char *argv[])
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{
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int ret;
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char *value;
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if (argc != 2)
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return COMMAND_ERROR_USAGE;
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value = strchr(argv[1], '=');
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if (value) {
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*value = 0;
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value++;
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}
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ret = globalvar_add_simple(argv[1]);
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if (value) {
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char *name = asprintf("global.%s", argv[1]);
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ret = setenv(name, value);
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free(name);
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}
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return ret ? 1 : 0;
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}
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BAREBOX_CMD_HELP_START(global)
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BAREBOX_CMD_HELP_USAGE("global <var>[=<value]\n")
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BAREBOX_CMD_HELP_SHORT("add a new global variable named <var>, optionally set to <value>\n")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(global)
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.cmd = do_global,
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.usage = "create global variables",
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BAREBOX_CMD_HELP(cmd_global_help)
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BAREBOX_CMD_END
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