freebsd-dev/usr.sbin/fdcontrol/fdcontrol.c
1999-08-28 01:35:59 +00:00

142 lines
3.0 KiB
C

/*
* Copyright (C) 1994 by Joerg Wunsch, Dresden
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <machine/ioctl_fd.h>
#include <sys/file.h>
int
getnumber(void)
{
int i;
char b[80];
fgets(b, 80, stdin);
if(b[0] == '\n') return -1;
sscanf(b, " %i", &i);
return i;
}
void
usage(void)
{
fprintf(stderr, "usage: fdcontrol [-d 0|1] | [-s] device-node\n");
exit(2);
}
#define ask(name, fmt) \
printf(#name "? [" fmt "]: ", ft.name); fflush(stdout); \
if((i = getnumber()) != -1) ft.name = i
int
main(int argc, char **argv)
{
struct fd_type ft;
int fd, i;
int debug = -1, settype = 1;
while((i = getopt(argc, argv, "d:s")) != -1)
switch(i)
{
case 'd':
debug = atoi(optarg);
settype = 0;
break;
case 's':
debug = -1;
settype = 1;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if(argc != 1)
usage();
if((fd = open(argv[0], 0)) < 0)
{
warn("open(floppy)");
return 1;
}
if(debug != -1)
{
if(ioctl(fd, FD_DEBUG, &debug) < 0)
{
warn("ioctl(FD_DEBUG)");
return 1;
}
return 0;
}
if(settype)
{
if(ioctl(fd, FD_GTYPE, &ft) < 0)
{
warn("ioctl(FD_GTYPE)");
return 1;
}
ask(sectrac, "%d");
ask(secsize, "%d");
ask(datalen, "0x%x");
ask(gap, "0x%x");
ask(tracks, "%d");
ask(size, "%d");
ask(steptrac, "%d");
ask(trans, "%d");
ask(heads, "%d");
ask(f_gap, "0x%x");
ask(f_inter, "%d");
if(ioctl(fd, FD_STYPE, &ft) < 0)
{
warn("ioctl(FD_STYPE)");
return 1;
}
return 0;
}
return 0;
}