xref: /dragonfly/usr.sbin/fdcontrol/fdcontrol.c (revision 335b9e93)
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 <fcntl.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <unistd.h>
35 #include <machine/ioctl_fd.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')
45 		return -1;
46 
47 	sscanf(b, " %i", &i);
48 	return i;
49 }
50 
51 __dead2 static void
52 usage(void)
53 {
54 	fprintf(stderr, "usage: fdcontrol device-node\n");
55 	exit(2);
56 }
57 
58 
59 #define	ask(name, fmt)	do {				  	\
60 	printf(#name "? [" fmt "]: ", ft.name); fflush(stdout);	\
61 	if((i = getnumber()) != -1)				\
62 		ft.name = i;					\
63 } while (0)
64 
65 int
66 main(int argc, char **argv)
67 {
68 	struct fd_type ft;
69 	int fd, i;
70 
71 	if (argc != 2)
72 		usage();
73 
74 	if ((fd = open(argv[1], 0)) < 0) {
75 		warn("open(floppy)");
76 		return 1;
77 	}
78 
79 	if (ioctl(fd, FD_GTYPE, &ft) < 0) {
80 		warn("ioctl(FD_GTYPE)");
81 		return 1;
82 	}
83 
84 	ask(sectrac, "%d");
85 	ask(secsize, "%d");
86 	ask(datalen, "0x%x");
87 	ask(gap, "0x%x");
88 	ask(tracks, "%d");
89 	ask(size, "%d");
90 	ask(steptrac, "%d");
91 	ask(trans, "%d");
92 	ask(heads, "%d");
93 	ask(f_gap, "0x%x");
94 	ask(f_inter, "%d");
95 
96 	if(ioctl(fd, FD_STYPE, &ft) < 0) {
97 		warn("ioctl(FD_STYPE)");
98 		return 1;
99 	}
100 	return 0;
101 }
102