88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*
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* timeout - wait for timeout
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*
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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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*/
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#include <command.h>
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#include <errno.h>
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#include <getopt.h>
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#include <environment.h>
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#include <console_countdown.h>
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#include <linux/kernel.h>
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static int do_timeout(int argc, char *argv[])
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{
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int timeout, ret, opt;
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unsigned flags = 0;
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char str[2] = { };
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const char *varname = NULL;
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while((opt = getopt(argc, argv, "crsav:")) > 0) {
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switch(opt) {
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case 'r':
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flags |= CONSOLE_COUNTDOWN_RETURN;
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break;
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case 'c':
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flags |= CONSOLE_COUNTDOWN_CTRLC;
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break;
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case 'a':
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flags |= CONSOLE_COUNTDOWN_ANYKEY;
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break;
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case 's':
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flags |= CONSOLE_COUNTDOWN_SILENT;
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break;
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case 'v':
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varname = optarg;
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break;
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default:
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return 1;
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}
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}
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if (optind == argc)
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return COMMAND_ERROR_USAGE;
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timeout = simple_strtoul(argv[optind], NULL, 0);
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ret = console_countdown(timeout, flags, str);
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if (varname && str[0])
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setenv(varname, str);
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return ret ? 1 : 0;
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}
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BAREBOX_CMD_HELP_START(timeout)
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BAREBOX_CMD_HELP_TEXT("Wait SECONDS for a timeout. Return 1 if the user intervented.")
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BAREBOX_CMD_HELP_TEXT("")
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT("-a", "interrupt on any key")
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BAREBOX_CMD_HELP_OPT("-c", "interrupt on Ctrl-C")
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BAREBOX_CMD_HELP_OPT("-r", "interrupt on RETURN")
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BAREBOX_CMD_HELP_OPT("-s", "silent mode")
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BAREBOX_CMD_HELP_OPT("-v <VARIABLE>", "export pressed key to environment")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(timeout)
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.cmd = do_timeout,
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BAREBOX_CMD_DESC("wait for a specified timeout")
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BAREBOX_CMD_OPTS("[-acrsv] SECONDS")
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BAREBOX_CMD_GROUP(CMD_GRP_CONSOLE)
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BAREBOX_CMD_HELP(cmd_timeout_help)
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BAREBOX_CMD_END
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