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  * $DragonFly: src/usr.sbin/fdcontrol/fdcontrol.c,v 1.2 2003/06/17 06:29:53 dillon Exp $
  29  */
  30
  31 #include <err.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <unistd.h>
  35 #include <machine/ioctl_fd.h>
  36 #include <sys/file.h>
  37
  38 int
  39 getnumber(void)
  40 {
  41   int i;
  42   char b[80];
  43
  44   fgets(b, 80, stdin);
  45   if(b[0] == '\n') return -1;
  46
  47   sscanf(b, " %i", &i);
  48   return i;
  49 }
  50
  51 void
  52 usage(void)
  53 {
  54   fprintf(stderr, "usage: fdcontrol [-d 0|1] | [-s] device-node\n");
  55   exit(2);
  56 }
  57
  58
  59 #define ask(name, fmt) \
  60 printf(#name "? [" fmt "]: ", ft.name); fflush(stdout);   \
  61 if((i = getnumber()) != -1) ft.name = i
  62
  63 int
  64 main(int argc, char **argv)
  65 {
  66   struct fd_type ft;
  67   int fd, i;
  68   int debug = -1, settype = 1;
  69
  70   while((i = getopt(argc, argv, "d:s")) != -1)
  71     switch(i)
  72       {
  73       case 'd':
  74         debug = atoi(optarg);
  75         settype = 0;
  76         break;
  77
  78       case 's':
  79         debug = -1;
  80         settype = 1;
  81         break;
  82
  83       case '?':
  84       default:
  85         usage();
  86       }
  87
  88   argc -= optind;
  89   argv += optind;
  90
  91   if(argc != 1)
  92     usage();
  93
  94   if((fd = open(argv[0], 0)) < 0)
  95     {
  96       warn("open(floppy)");
  97       return 1;
  98     }
  99
 100   if(debug != -1)
 101     {
 102       if(ioctl(fd, FD_DEBUG, &debug) < 0)
 103         {
 104           warn("ioctl(FD_DEBUG)");
 105           return 1;
 106         }
 107       return 0;
 108     }
 109
 110   if(settype)
 111     {
 112       if(ioctl(fd, FD_GTYPE, &ft) < 0)
 113         {
 114           warn("ioctl(FD_GTYPE)");
 115           return 1;
 116         }
 117
 118       ask(sectrac, "%d");
 119       ask(secsize, "%d");
 120       ask(datalen, "0x%x");
 121       ask(gap, "0x%x");
 122       ask(tracks, "%d");
 123       ask(size, "%d");
 124       ask(steptrac, "%d");
 125       ask(trans, "%d");
 126       ask(heads, "%d");
 127       ask(f_gap, "0x%x");
 128       ask(f_inter, "%d");
 129
 130       if(ioctl(fd, FD_STYPE, &ft) < 0)
 131         {
 132           warn("ioctl(FD_STYPE)");
 133           return 1;
 134         }
 135       return 0;
 136     }
 137
 138   return 0;
 139 }