sys/arch/i386/stand/lib/menuutils.c

   1 /*      $NetBSD: menuutils.c,v 1.1 1997/09/17 17:13:02 drochner Exp $   */
   2
   3 /*
   4  * Copyright (c) 1996, 1997
   5  *      Matthias Drochner.  All rights reserved.
   6  * Copyright (c) 1996, 1997
   7  *      Perry E. Metzger.  All rights reserved.
   8  * Copyright (c) 1997
   9  *      Jason R. Thorpe.  All rights reserved
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. All advertising materials mentioning features or use of this software
  20  *    must display the following acknowledgements:
  21  *      This product includes software developed for the NetBSD Project
  22  *      by Matthias Drochner.
  23  *      This product includes software developed for the NetBSD Project
  24  *      by Perry E. Metzger.
  25  * 4. The names of the authors may not be used to endorse or promote products
  26  *    derived from this software without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  29  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  30  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  31  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  32  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  33  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  34  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  35  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  36  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  37  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  38  */
  39
  40 #include <lib/libkern/libkern.h>
  41 #include <lib/libsa/stand.h>
  42
  43 #include "libi386.h"
  44
  45 void
  46 docommand(char *arg)
  47 {
  48         char *options;
  49         int i;
  50
  51         options = gettrailer(arg);
  52
  53         for (i = 0; commands[i].c_name != NULL; i++) {
  54                 if (strcmp(arg, commands[i].c_name) == 0) {
  55                         (*commands[i].c_fn)(options);
  56                         return;
  57                 }
  58         }
  59
  60         printf("unknown command\n");
  61         command_help(NULL);
  62 }
  63
  64 void
  65 bootmenu(void)
  66 {
  67         char input[80];
  68
  69         for (;;) {
  70                 char *c = input;
  71
  72                 input[0] = '\0';
  73                 printf("> ");
  74                 gets(input);
  75
  76                 /*
  77                  * Skip leading whitespace.
  78                  */
  79                 while (*c == ' ')
  80                         c++;
  81                 if (*c)
  82                         docommand(c);
  83         }
  84 }