diff options
Diffstat (limited to 'commands/global.c')
| -rw-r--r-- | commands/global.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/commands/global.c b/commands/global.c new file mode 100644 index 0000000000..de6b13e7bd --- /dev/null +++ b/commands/global.c @@ -0,0 +1,62 @@ +/* + * 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. + * + * 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 + */ +#include <common.h> +#include <malloc.h> +#include <command.h> +#include <globalvar.h> +#include <environment.h> + +static int do_global(int argc, char *argv[]) +{ + int ret; + char *value; + + if (argc != 2) + return COMMAND_ERROR_USAGE; + + value = strchr(argv[1], '='); + if (value) { + *value = 0; + value++; + } + + ret = globalvar_add_simple(argv[1]); + + if (value) { + char *name = asprintf("global.%s", argv[1]); + ret = setenv(name, value); + free(name); + } + + return ret ? 1 : 0; +} + +BAREBOX_CMD_HELP_START(global) +BAREBOX_CMD_HELP_USAGE("global <var>[=<value]\n") +BAREBOX_CMD_HELP_SHORT("add a new global variable named <var>, optionally set to <value>\n") +BAREBOX_CMD_HELP_END + +BAREBOX_CMD_START(global) + .cmd = do_global, + .usage = "create global variables", + BAREBOX_CMD_HELP(cmd_global_help) +BAREBOX_CMD_END |