xref: /dragonfly/usr.sbin/fdcontrol/fdcontrol.c (revision cb739d4d)
1 /*
2  * Copyright (C) 1994 by Joerg Wunsch, Dresden
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
20  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
21  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
22  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
24  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
25  * DAMAGE.
26  *
27  * $FreeBSD: src/usr.sbin/fdcontrol/fdcontrol.c,v 1.6 1999/08/28 01:16:13 peter Exp $
28  */
29 
30 #include <err.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <unistd.h>
34 #include <machine/ioctl_fd.h>
35 #include <sys/file.h>
36 
37 static int
38 getnumber(void)
39 {
40   int i;
41   char b[80];
42 
43   fgets(b, 80, stdin);
44   if(b[0] == '\n') return -1;
45 
46   sscanf(b, " %i", &i);
47   return i;
48 }
49 
50 __dead2 static void
51 usage(void)
52 {
53   fprintf(stderr, "usage: fdcontrol [-d 0|1] | [-s] device-node\n");
54   exit(2);
55 }
56 
57 
58 #define ask(name, fmt) \
59 printf(#name "? [" fmt "]: ", ft.name); fflush(stdout);   \
60 if((i = getnumber()) != -1) ft.name = i
61 
62 int
63 main(int argc, char **argv)
64 {
65   struct fd_type ft;
66   int fd, i;
67   int debug = -1, settype = 1;
68 
69   while((i = getopt(argc, argv, "d:s")) != -1)
70     switch(i)
71       {
72       case 'd':
73 	debug = atoi(optarg);
74 	settype = 0;
75 	break;
76 
77       case 's':
78 	debug = -1;
79 	settype = 1;
80 	break;
81 
82       case '?':
83       default:
84 	usage();
85       }
86 
87   argc -= optind;
88   argv += optind;
89 
90   if(argc != 1)
91     usage();
92 
93   if((fd = open(argv[0], 0)) < 0)
94     {
95       warn("open(floppy)");
96       return 1;
97     }
98 
99   if(debug != -1)
100     {
101       if(ioctl(fd, FD_DEBUG, &debug) < 0)
102 	{
103 	  warn("ioctl(FD_DEBUG)");
104 	  return 1;
105 	}
106       return 0;
107     }
108 
109   if(settype)
110     {
111       if(ioctl(fd, FD_GTYPE, &ft) < 0)
112 	{
113 	  warn("ioctl(FD_GTYPE)");
114 	  return 1;
115 	}
116 
117       ask(sectrac, "%d");
118       ask(secsize, "%d");
119       ask(datalen, "0x%x");
120       ask(gap, "0x%x");
121       ask(tracks, "%d");
122       ask(size, "%d");
123       ask(steptrac, "%d");
124       ask(trans, "%d");
125       ask(heads, "%d");
126       ask(f_gap, "0x%x");
127       ask(f_inter, "%d");
128 
129       if(ioctl(fd, FD_STYPE, &ft) < 0)
130 	{
131 	  warn("ioctl(FD_STYPE)");
132 	  return 1;
133 	}
134       return 0;
135     }
136 
137   return 0;
138 }
139