xref: /freebsd/usr.sbin/fdcontrol/fdcontrol.c (revision 1b6c76a2fe091c74f08427e6c870851025a9cf67)
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 
28 #ifndef lint
29 static const char rcsid[] =
30   "$FreeBSD$";
31 #endif /* not lint */
32 
33 #include <sys/fdcio.h>
34 #include <sys/file.h>
35 
36 #include <err.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <unistd.h>
40 
41 static int getnumber(void);
42 static void usage(void);
43 
44 static int
45 getnumber(void)
46 {
47   int i;
48   char b[80];
49 
50   fgets(b, 80, stdin);
51   if(b[0] == '\n') return -1;
52 
53   sscanf(b, " %i", &i);
54   return i;
55 }
56 
57 static void
58 usage(void)
59 {
60   fprintf(stderr, "usage: fdcontrol [-d 0|1] | [-s] device-node\n");
61   exit(2);
62 }
63 
64 
65 #define ask(name, fmt) \
66 printf(#name "? [" fmt "]: ", ft.name); fflush(stdout);   \
67 if((i = getnumber()) != -1) ft.name = i
68 
69 int
70 main(int argc, char **argv)
71 {
72   struct fd_type ft;
73   int fd, i;
74   int debug = -1, settype = 1;
75 
76   while((i = getopt(argc, argv, "d:s")) != -1)
77     switch(i)
78       {
79       case 'd':
80 	debug = atoi(optarg);
81 	settype = 0;
82 	break;
83 
84       case 's':
85 	debug = -1;
86 	settype = 1;
87 	break;
88 
89       case '?':
90       default:
91 	usage();
92       }
93 
94   argc -= optind;
95   argv += optind;
96 
97   if(argc != 1)
98     usage();
99 
100   if((fd = open(argv[0], 0)) < 0)
101     {
102       warn("open(floppy)");
103       return 1;
104     }
105 
106   if(debug != -1)
107     {
108       if(ioctl(fd, FD_DEBUG, &debug) < 0)
109 	{
110 	  warn("ioctl(FD_DEBUG)");
111 	  return 1;
112 	}
113       return 0;
114     }
115 
116   if(settype)
117     {
118       if(ioctl(fd, FD_GTYPE, &ft) < 0)
119 	{
120 	  warn("ioctl(FD_GTYPE)");
121 	  return 1;
122 	}
123 
124       ask(sectrac, "%d");
125       ask(secsize, "%d");
126       ask(datalen, "0x%x");
127       ask(gap, "0x%x");
128       ask(tracks, "%d");
129       ask(size, "%d");
130       ask(steptrac, "%d");
131       ask(trans, "%d");
132       ask(heads, "%d");
133       ask(f_gap, "0x%x");
134       ask(f_inter, "%d");
135 
136       if(ioctl(fd, FD_STYPE, &ft) < 0)
137 	{
138 	  warn("ioctl(FD_STYPE)");
139 	  return 1;
140 	}
141       return 0;
142     }
143 
144   return 0;
145 }
146