fdcontrol.c revision 23716 
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#include <stdio.h>
29#include <stdlib.h>
30#include <unistd.h>
31#include <machine/ioctl_fd.h>
32#include <sys/file.h>
33
34int
35getnumber(void)
36{
37  int i;
38  char b[80];
39
40  fgets(b, 80, stdin);
41  if(b[0] == '\n') return -1;
42
43  sscanf(b, " %i", &i);
44  return i;
45}
46
47void
48usage(void)
49{
50  fprintf(stderr, "usage: fdcontrol [-d 0|1] | [-s] device-node\n");
51  exit(2);
52}
53
54
55#define ask(name, fmt) \
56printf(#name "? [" fmt "]: ", ft.name); fflush(stdout);   \
57if((i = getnumber()) != -1) ft.name = i
58
59int
60main(int argc, char **argv)
61{
62  struct fd_type ft;
63  int fd, i;
64  int debug = -1, settype = 1;
65
66  while((i = getopt(argc, argv, "d:s")) != EOF)
67    switch(i)
68      {
69      case 'd':
70	debug = atoi(optarg);
71	settype = 0;
72	break;
73
74      case 's':
75	debug = -1;
76	settype = 1;
77	break;
78
79      case '?':
80      default:
81	usage();
82      }
83
84  argc -= optind;
85  argv += optind;
86
87  if(argc != 1)
88    usage();
89
90  if((fd = open(argv[0], 0)) < 0)
91    {
92      perror("open(floppy)");
93      return 1;
94    }
95
96  if(debug != -1)
97    {
98      if(ioctl(fd, FD_DEBUG, &debug) < 0)
99	{
100	  perror("ioctl(FD_DEBUG)");
101	  return 1;
102	}
103      return 0;
104    }
105
106  if(settype)
107    {
108      if(ioctl(fd, FD_GTYPE, &ft) < 0)
109	{
110	  perror("ioctl(FD_GTYPE)");
111	  return 1;
112	}
113
114      ask(sectrac, "%d");
115      ask(secsize, "%d");
116      ask(datalen, "0x%x");
117      ask(gap, "0x%x");
118      ask(tracks, "%d");
119      ask(size, "%d");
120      ask(steptrac, "%d");
121      ask(trans, "%d");
122      ask(heads, "%d");
123      ask(f_gap, "0x%x");
124      ask(f_inter, "%d");
125
126      if(ioctl(fd, FD_STYPE, &ft) < 0)
127	{
128	  perror("ioctl(FD_STYPE)");
129	  return 1;
130	}
131      return 0;
132    }
133
134}
135
136
137
138