1 /*        $NetBSD: menuutils.c,v 1.6 2016/06/11 06:20:11 dholland 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
docommand(char * arg)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 __dead void
bootmenu(void)65 bootmenu(void)
66 {
67           char input[80];
68 
69           for (;;) {
70                     char *c = input;
71 
72                     input[0] = '\0';
73                     printf("> ");
74                     kgets(input, sizeof(input));
75 
76                     /*
77                      * Skip leading whitespace.
78                      */
79                     while (*c == ' ')
80                               c++;
81                     if (*c)
82                               docommand(c);
83           }
84 }
85