Import the fdcontrol command. It has been in 1.1.5, but obviously has been lost on its way to 2.0.
This program uses the FD_DEBUG ioctl, which will have to be commited yet.
This commit is contained in:
joerg
commit
5d1a6c44a1
4
usr.sbin/fdcontrol/Makefile
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4
usr.sbin/fdcontrol/Makefile
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PROG = fdcontrol
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MAN8 = fdcontrol.8
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.include <bsd.prog.mk>
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101
usr.sbin/fdcontrol/fdcontrol.8
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101
usr.sbin/fdcontrol/fdcontrol.8
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.\"
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.\" Copyright (C) 1994 by Joerg Wunsch, Dresden
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY
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.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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.\" USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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.\" DAMAGE.
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.\"
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.Dd May 22, 1994
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.Os
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.Dt FDCONTROL 8
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.Sh NAME
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.Nm fdcontrol
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.Nd modify floppy disk parameters
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.Sh SYNOPSIS
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.Nm fdcontrol
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.Op Fl d Ar 0|1
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.Ar device
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.Nm fdcontrol
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.Op Fl s
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.Ar device
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.Sh DESCRIPTION
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.Nm Fdcontrol
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allows the modification of the run-time behaviour of the floppy
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disk device specifed by
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.Ar device .
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.Ar Device
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should be a character device.
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.Nm Fdcontrol
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currently supports the specification of device parameters for the
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floppy disk drive
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.Po
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.Fl s ,
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also default mode
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.Pc ,
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or it allows the modification of the driver debug level, in case the
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floppy driver has been compiled into the kernel with the
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.Em DEBUG
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option set
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.Pq Fl d .
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Since the implications of such actions are considered harmful, the
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underlying
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.Xr ioctl 2
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command is restricted to the super-user.
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When requesting a new parameter specification, the command asks the
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user for each individual tunable parameter, defaulting to the
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currently used value.
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.Sh DIAGNOSTICS
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Error codes for the underlying
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.Xr ioctl 2
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commands are printed by the
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.Xr perror 3
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facility.
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.Sh BUGS
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The
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.Nm
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command is currently under development. It's user interface is rather
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silly and likely to change in future, options should be provided to
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allow anything being modified from the command line.
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The driver does actually support only two debug levels
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.Pq 0 and 1 ,
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where debug level 1 will generate huge amounts of output. It is likely
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to overflow the syslog if not used with extreme care.
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.Sh SEE ALSO
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.Xr fdc 4 ,
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.Xr ioctl 2 ,
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.Xr perror 3 .
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.Sh HISTORY
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.Nm Fdcontrol
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is currently under development. It's user interface and overall
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functionality are subjects to future improvements and changes.
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.Sh AUTHOR
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The program has been contributed by
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.if n Joerg Wunsch,
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.if t J\(:org Wunsch,
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Dresden.
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136
usr.sbin/fdcontrol/fdcontrol.c
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136
usr.sbin/fdcontrol/fdcontrol.c
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/*
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* Copyright (C) 1994 by Joerg Wunsch, Dresden
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <machine/ioctl_fd.h>
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#include <sys/file.h>
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int
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getnumber(void)
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{
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int i;
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char b[80];
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fgets(b, 80, stdin);
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if(b[0] == '\n') return -1;
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sscanf(b, " %i", &i);
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return i;
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}
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void
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usage(void)
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{
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fprintf(stderr, "usage: fdcontrol [-d 0|1] | [-s] device-node\n");
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exit(2);
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}
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#define ask(name, fmt) \
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printf(#name "? [" fmt "]: ", ft.name); fflush(stdout); \
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if((i = getnumber()) != -1) ft.name = i
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int
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main(int argc, char **argv)
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{
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struct fd_type ft;
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int fd, i;
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int debug = -1, settype = 1;
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while((i = getopt(argc, argv, "d:s")) != EOF)
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switch(i)
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{
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case 'd':
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debug = atoi(optarg);
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settype = 0;
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break;
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case 's':
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debug = -1;
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settype = 1;
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if(argc != 1)
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usage();
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if((fd = open(argv[0], 0)) < 0)
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{
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perror("open(floppy)");
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return 1;
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}
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if(debug != -1)
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{
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if(ioctl(fd, FD_DEBUG, &debug) < 0)
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{
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perror("ioctl(FD_DEBUG)");
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return 1;
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}
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return 0;
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}
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if(settype)
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{
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if(ioctl(fd, FD_GTYPE, &ft) < 0)
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{
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perror("ioctl(FD_GTYPE)");
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return 1;
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}
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ask(sectrac, "%d");
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ask(secsize, "%d");
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ask(datalen, "0x%x");
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ask(gap, "0x%x");
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ask(tracks, "%d");
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ask(size, "%d");
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ask(steptrac, "%d");
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ask(trans, "%d");
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ask(heads, "%d");
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ask(f_gap, "0x%x");
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ask(f_inter, "%d");
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if(ioctl(fd, FD_STYPE, &ft) < 0)
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{
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perror("ioctl(FD_STYPE)");
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return 1;
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}
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return 0;
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}
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}
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