usr.sbin/fdcontrol/fdcontrol.c

   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 }