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 <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 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 }