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/*
* global.c - global shell variables
*
* Copyright (c) 2012 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.
*
*/
#include <common.h>
#include <malloc.h>
#include <command.h>
#include <globalvar.h>
#include <environment.h>
#include <getopt.h>
static int do_global(int argc, char *argv[])
{
int opt;
int do_set_match = 0;
char *value;
while ((opt = getopt(argc, argv, "r")) > 0) {
switch (opt) {
case 'r':
do_set_match = 1;
break;
}
}
argc -= optind;
argv += optind;
if (argc != 1)
return COMMAND_ERROR_USAGE;
value = strchr(argv[0], '=');
if (value) {
*value = 0;
value++;
}
if (do_set_match) {
if (!value)
value = "";
globalvar_set_match(argv[0], value);
return 0;
}
return globalvar_add_simple(argv[0], value);
}
BAREBOX_CMD_HELP_START(global)
BAREBOX_CMD_HELP_USAGE("global [-r] <var>[=<value]\n")
BAREBOX_CMD_HELP_SHORT("add a new global variable named <var>, optionally set to <value>\n")
BAREBOX_CMD_HELP_SHORT("-r to set a value to of all globalvars beginning with 'match'")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(global)
.cmd = do_global,
.usage = "create or set global variables",
BAREBOX_CMD_HELP(cmd_global_help)
BAREBOX_CMD_END
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