95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/* $NetBSD: parse_args.c,v 1.1 1996/05/17 21:00:22 chuck Exp $ */
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/*-
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* Copyright (c) 1995 Theo de Raadt
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed under OpenBSD by
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* Theo de Raadt for Willowglen Singapore.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/param.h>
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#include <sys/reboot.h>
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#include <machine/prom.h>
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#include <a.out.h>
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#include "stand.h"
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#include "libsa.h"
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#define KERNEL_NAME "netbsd"
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struct flags {
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char c;
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short bit;
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} bf[] = {
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{ 'a', RB_ASKNAME },
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{ 'b', RB_HALT },
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{ 'y', RB_NOSYM },
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{ 'd', RB_KDB },
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{ 'm', RB_MINIROOT },
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{ 'r', RB_DFLTROOT },
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{ 's', RB_SINGLE },
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};
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void
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parse_args(filep, flagp)
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char **filep;
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int *flagp;
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{
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char *name = KERNEL_NAME, *ptr;
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int i, howto = 0;
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char c;
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if (bugargs.arg_start != bugargs.arg_end) {
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ptr = bugargs.arg_start;
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while (c = *ptr) {
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while (c == ' ')
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c = *++ptr;
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if (c == '\0')
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return;
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if (c != '-') {
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name = ptr;
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while ((c = *++ptr) && c != ' ')
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;
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if (c)
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*ptr++ = 0;
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continue;
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}
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while ((c = *++ptr) && c != ' ') {
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for (i = 0; i < sizeof(bf)/sizeof(bf[0]); i++)
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if (bf[i].c == c) {
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howto |= bf[i].bit;
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}
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}
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}
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}
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*flagp = howto;
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*filep = name;
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}
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