xref: /src/sys/arch/i386/stand/lib/menuutils.c

/*	$NetBSD: menuutils.c,v 1.6 2016/06/11 06:20:11 dholland Exp $	*/

/*
 * Copyright (c) 1996, 1997
 * 	Matthias Drochner.  All rights reserved.
 * Copyright (c) 1996, 1997
 * 	Perry E. Metzger.  All rights reserved.
 * Copyright (c) 1997
 *	Jason R. Thorpe.  All rights reserved
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgements:
 *	This product includes software developed for the NetBSD Project
 *	by Matthias Drochner.
 *	This product includes software developed for the NetBSD Project
 *	by Perry E. Metzger.
 * 4. The names of the authors may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <lib/libkern/libkern.h>
#include <lib/libsa/stand.h>

#include "libi386.h"

void
docommand(char *arg)
{
	char *options;
	int i;

	options = gettrailer(arg);

	for (i = 0; commands[i].c_name != NULL; i++) {
		if (strcmp(arg, commands[i].c_name) == 0) {
			(*commands[i].c_fn)(options);
			return;
		}
	}

	printf("unknown command\n");
	command_help(NULL);
}

__dead void
bootmenu(void)
{
	char input[80];

	for (;;) {
		char *c = input;

		input[0] = '\0';
		printf("> ");
		kgets(input, sizeof(input));

		/*
		 * Skip leading whitespace.
		 */
		while (*c == ' ')
			c++;
		if (*c)
			docommand(c);
	}
}