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383 lines
9.6 KiB
C
383 lines
9.6 KiB
C
/*
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* Copyright (C) 1992-1994 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 EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* FreeBSD:
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* format a floppy disk
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*
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* Added FD_GTYPE ioctl, verifying, proportional indicators.
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* Serge Vakulenko, vak@zebub.msk.su
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* Sat Dec 18 17:45:47 MSK 1993
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*
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* Final adaptation, change format/verify logic, add separate
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* format gap/interleave values
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* Andrew A. Chernov, ache@astral.msk.su
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* Thu Jan 27 00:47:24 MSK 1994
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <strings.h>
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#include <ctype.h>
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#include <errno.h>
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#include <machine/ioctl_fd.h>
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static void
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format_track(int fd, int cyl, int secs, int head, int rate,
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int gaplen, int secsize, int fill,int interleave)
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{
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struct fd_formb f;
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register int i,j;
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int il[FD_MAX_NSEC + 1];
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memset(il,0,sizeof il);
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for(j = 0, i = 1; i <= secs; i++) {
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while(il[(j%secs)+1]) j++;
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il[(j%secs)+1] = i;
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j += interleave;
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}
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f.format_version = FD_FORMAT_VERSION;
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f.head = head;
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f.cyl = cyl;
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f.transfer_rate = rate;
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f.fd_formb_secshift = secsize;
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f.fd_formb_nsecs = secs;
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f.fd_formb_gaplen = gaplen;
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f.fd_formb_fillbyte = fill;
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for(i = 0; i < secs; i++) {
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f.fd_formb_cylno(i) = cyl;
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f.fd_formb_headno(i) = head;
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f.fd_formb_secno(i) = il[i+1];
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f.fd_formb_secsize(i) = secsize;
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}
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if(ioctl(fd, FD_FORM, (caddr_t)&f) < 0) {
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perror("\nfdformat: ioctl(FD_FORM)");
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exit(1);
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}
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}
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static int
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verify_track(int fd, int track, int tracksize)
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{
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static char *buf = 0;
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static int bufsz = 0;
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int fdopts = -1, ofdopts, rv = 0;
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if (ioctl(fd, FD_GOPTS, &fdopts) < 0)
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perror("warning: ioctl(FD_GOPTS)");
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else {
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ofdopts = fdopts;
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fdopts |= FDOPT_NORETRY;
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(void)ioctl(fd, FD_SOPTS, &fdopts);
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}
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if (bufsz < tracksize) {
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if (buf)
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free (buf);
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bufsz = tracksize;
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buf = 0;
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}
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if (! buf)
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buf = malloc (bufsz);
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if (! buf) {
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fprintf (stderr, "\nfdformat: out of memory\n");
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exit (2);
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}
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if (lseek (fd, (long) track*tracksize, 0) < 0)
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rv = -1;
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/* try twice reading it, without using the normal retrier */
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else if (read (fd, buf, tracksize) != tracksize
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&& read (fd, buf, tracksize) != tracksize)
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rv = -1;
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if(fdopts != -1)
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(void)ioctl(fd, FD_SOPTS, &ofdopts);
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return (rv);
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}
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static const char *
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makename(const char *arg, const char *suffix)
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{
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static char namebuff[20]; /* big enough for "/dev/rfd0a"... */
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memset(namebuff, 0, 20);
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if(*arg == '\0') /* ??? */
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return arg;
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if(*arg == '/') /* do not convert absolute pathnames */
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return arg;
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strcpy(namebuff, "/dev/r");
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strncat(namebuff, arg, 3);
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strcat(namebuff, suffix);
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return namebuff;
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}
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static void
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usage (void)
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{
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printf("Usage:\n\tfdformat [-q] [-n | -v] [-f #] [-c #] [-s #] [-h #]\n");
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printf("\t\t [-r #] [-g #] [-i #] [-S #] [-F #] [-t #] devname\n");
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printf("Options:\n");
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printf("\t-q\tsupress any normal output, don't ask for confirmation\n");
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printf("\t-n\tdon't verify floppy after formatting\n");
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printf("\t-v\tdon't format, verify only\n");
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printf("\t-f #\tspecify desired floppy capacity, in kilobytes;\n");
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printf("\t\tvalid choices are 360, 720, 800, 820, 1200, 1440, 1480, 1720\n");
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printf("\tdevname\tthe full name of floppy device or in short form fd0, fd1\n");
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printf("Obscure options:\n");
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printf("\t-c #\tspecify number of cylinders, 40 or 80\n");
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printf("\t-s #\tspecify number of sectors per track, 9, 10, 15 or 18\n");
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printf("\t-h #\tspecify number of floppy heads, 1 or 2\n");
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printf("\t-r #\tspecify data rate, 250, 300 or 500 kbps\n");
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printf("\t-g #\tspecify gap length\n");
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printf("\t-i #\tspecify interleave factor\n");
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printf("\t-S #\tspecify sector size, 0=128, 1=256, 2=512 bytes\n");
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printf("\t-F #\tspecify fill byte\n");
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printf("\t-t #\tnumber of steps per track\n");
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exit(2);
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}
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static int
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yes (void)
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{
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char reply [256], *p;
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reply[sizeof(reply)-1] = 0;
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for (;;) {
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fflush(stdout);
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if (! fgets (reply, sizeof(reply)-1, stdin))
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return (0);
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for (p=reply; *p==' ' || *p=='\t'; ++p)
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continue;
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if (*p=='y' || *p=='Y')
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return (1);
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if (*p=='n' || *p=='N' || *p=='\n' || *p=='\r')
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return (0);
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printf("Answer `yes' or `no': ");
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}
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}
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int
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main(int argc, char **argv)
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{
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int format = -1, cyls = -1, secs = -1, heads = -1, intleave = -1;
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int rate = -1, gaplen = -1, secsize = -1, steps = -1;
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int fill = 0xf6, quiet = 0, verify = 1, verify_only = 0;
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int fd, c, track, error, tracks_per_dot, bytes_per_track, errs;
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const char *devname, *suffix;
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struct fd_type fdt;
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while((c = getopt(argc, argv, "f:c:s:h:r:g:S:F:t:i:qvn")) != -1)
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switch(c) {
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case 'f': /* format in kilobytes */
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format = atoi(optarg);
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break;
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case 'c': /* # of cyls */
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cyls = atoi(optarg);
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break;
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case 's': /* # of secs per track */
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secs = atoi(optarg);
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break;
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case 'h': /* # of heads */
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heads = atoi(optarg);
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break;
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case 'r': /* transfer rate, kilobyte/sec */
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rate = atoi(optarg);
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break;
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case 'g': /* length of GAP3 to format with */
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gaplen = atoi(optarg);
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break;
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case 'S': /* sector size shift factor (1 << S)*128 */
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secsize = atoi(optarg);
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break;
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case 'F': /* fill byte, C-like notation allowed */
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fill = (int)strtol(optarg, (char **)0, 0);
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break;
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case 't': /* steps per track */
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steps = atoi(optarg);
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break;
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case 'i': /* interleave factor */
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intleave = atoi(optarg);
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break;
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case 'q':
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quiet = 1;
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break;
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case 'n':
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verify = 0;
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break;
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case 'v':
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verify = 1;
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verify_only = 1;
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break;
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case '?': default:
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usage();
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}
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if(optind != argc - 1)
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usage();
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switch(format) {
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default:
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fprintf(stderr, "fdformat: bad floppy size: %dK\n", format);
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exit(2);
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case -1: suffix = ""; break;
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case 360: suffix = ".360"; break;
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case 720: suffix = ".720"; break;
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case 800: suffix = ".800"; break;
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case 820: suffix = ".820"; break;
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case 1200: suffix = ".1200"; break;
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case 1440: suffix = ".1440"; break;
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case 1480: suffix = ".1480"; break;
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case 1720: suffix = ".1720"; break;
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}
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devname = makename(argv[optind], suffix);
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if((fd = open(devname, O_RDWR)) < 0) {
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perror(devname);
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exit(1);
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}
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if(ioctl(fd, FD_GTYPE, &fdt) < 0) {
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fprintf(stderr, "fdformat: not a floppy disk: %s\n", devname);
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exit(1);
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}
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switch(rate) {
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case -1: break;
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case 250: fdt.trans = FDC_250KBPS; break;
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case 300: fdt.trans = FDC_300KBPS; break;
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case 500: fdt.trans = FDC_500KBPS; break;
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default:
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fprintf(stderr, "fdformat: invalid transfer rate: %d\n", rate);
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exit(2);
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}
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if (cyls >= 0) fdt.tracks = cyls;
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if (secs >= 0) fdt.sectrac = secs;
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if (fdt.sectrac > FD_MAX_NSEC) {
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fprintf(stderr, "fdformat: too many sectors per track, max value is %d\n", FD_MAX_NSEC);
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exit(2);
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}
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if (heads >= 0) fdt.heads = heads;
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if (gaplen >= 0) fdt.f_gap = gaplen;
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if (secsize >= 0) fdt.secsize = secsize;
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if (steps >= 0) fdt.steptrac = steps;
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if (intleave >= 0) fdt.f_inter = intleave;
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bytes_per_track = fdt.sectrac * (1<<fdt.secsize) * 128;
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tracks_per_dot = fdt.tracks * fdt.heads / 40;
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if (verify_only) {
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if(!quiet)
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printf("Verify %dK floppy `%s'.\n",
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fdt.tracks * fdt.heads * bytes_per_track / 1024,
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devname);
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}
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else if(!quiet) {
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printf("Format %dK floppy `%s'? (y/n): ",
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fdt.tracks * fdt.heads * bytes_per_track / 1024,
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devname);
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if(! yes ()) {
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printf("Not confirmed.\n");
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return 0;
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}
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}
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/*
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* Formatting.
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*/
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if(!quiet) {
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printf("Processing ----------------------------------------\r");
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printf("Processing ");
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fflush(stdout);
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}
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error = errs = 0;
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for (track = 0; track < fdt.tracks * fdt.heads; track++) {
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if (!verify_only) {
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format_track(fd, track / fdt.heads, fdt.sectrac,
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track % fdt.heads, fdt.trans, fdt.f_gap,
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fdt.secsize, fill, fdt.f_inter);
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if(!quiet && !((track + 1) % tracks_per_dot)) {
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putchar('F');
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fflush(stdout);
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}
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}
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if (verify) {
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if (verify_track(fd, track, bytes_per_track) < 0)
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error = errs = 1;
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if(!quiet && !((track + 1) % tracks_per_dot)) {
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if (!verify_only)
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putchar('\b');
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if (error) {
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putchar('E');
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error = 0;
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}
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else
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putchar('V');
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fflush(stdout);
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}
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}
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}
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if(!quiet)
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printf(" done.\n");
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return errs;
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}
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/*
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* Local Variables:
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* c-indent-level: 8
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* c-continued-statement-offset: 8
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* c-continued-brace-offset: 0
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* c-brace-offset: -8
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* c-brace-imaginary-offset: 0
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* c-argdecl-indent: 8
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* c-label-offset: -8
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* c++-hanging-braces: 1
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* c++-access-specifier-offset: -8
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* c++-empty-arglist-indent: 8
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* c++-friend-offset: 0
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* End:
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*/
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