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freebsd/usr.sbin/fdformat/fdformat.c
David E. O'Brien 1a37aa566b Add `_PATH_DEVZERO'.
Use _PATH_* where where possible.
2000-12-09 09:35:55 +00:00

370 lines
8.8 KiB
C

/*
* Copyright (C) 1992-1994 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.
*
* $FreeBSD$
*/
/*
* FreeBSD:
* format a floppy disk
*
* Added FD_GTYPE ioctl, verifying, proportional indicators.
* Serge Vakulenko, vak@zebub.msk.su
* Sat Dec 18 17:45:47 MSK 1993
*
* Final adaptation, change format/verify logic, add separate
* format gap/interleave values
* Andrew A. Chernov, ache@astral.msk.su
* Thu Jan 27 00:47:24 MSK 1994
*/
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <unistd.h>
#include <machine/ioctl_fd.h>
static void
format_track(int fd, int cyl, int secs, int head, int rate,
int gaplen, int secsize, int fill,int interleave)
{
struct fd_formb f;
register int i,j;
int il[FD_MAX_NSEC + 1];
memset(il,0,sizeof il);
for(j = 0, i = 1; i <= secs; i++) {
while(il[(j%secs)+1]) j++;
il[(j%secs)+1] = i;
j += interleave;
}
f.format_version = FD_FORMAT_VERSION;
f.head = head;
f.cyl = cyl;
f.transfer_rate = rate;
f.fd_formb_secshift = secsize;
f.fd_formb_nsecs = secs;
f.fd_formb_gaplen = gaplen;
f.fd_formb_fillbyte = fill;
for(i = 0; i < secs; i++) {
f.fd_formb_cylno(i) = cyl;
f.fd_formb_headno(i) = head;
f.fd_formb_secno(i) = il[i+1];
f.fd_formb_secsize(i) = secsize;
}
if(ioctl(fd, FD_FORM, (caddr_t)&f) < 0)
err(1, "ioctl(FD_FORM)");
}
static int
verify_track(int fd, int track, int tracksize)
{
static char *buf = 0;
static int bufsz = 0;
int fdopts = -1, ofdopts, rv = 0;
if (ioctl(fd, FD_GOPTS, &fdopts) < 0)
warn("warning: ioctl(FD_GOPTS)");
else {
ofdopts = fdopts;
fdopts |= FDOPT_NORETRY;
(void)ioctl(fd, FD_SOPTS, &fdopts);
}
if (bufsz < tracksize) {
if (buf)
free (buf);
bufsz = tracksize;
buf = 0;
}
if (! buf)
buf = malloc (bufsz);
if (! buf)
errx(2, "out of memory");
if (lseek (fd, (long) track*tracksize, 0) < 0)
rv = -1;
/* try twice reading it, without using the normal retrier */
else if (read (fd, buf, tracksize) != tracksize
&& read (fd, buf, tracksize) != tracksize)
rv = -1;
if(fdopts != -1)
(void)ioctl(fd, FD_SOPTS, &ofdopts);
return (rv);
}
static const char *
makename(const char *arg, const char *suffix)
{
static char namebuff[20]; /* big enough for "/dev/fd0a"... */
memset(namebuff, 0, 20);
if(*arg == '\0') /* ??? */
return arg;
if(*arg == '/') /* do not convert absolute pathnames */
return arg;
strcpy(namebuff, _PATH_DEV);
strncat(namebuff, arg, 3);
strcat(namebuff, suffix);
return namebuff;
}
static void
usage (void)
{
fprintf(stderr, "%s\n%s\n",
"usage: fdformat [-y] [-q] [-n | -v] [-f #] [-c #] [-s #] [-h #]",
" [-r #] [-g #] [-i #] [-S #] [-F #] [-t #] devname");
exit(2);
}
static int
yes (void)
{
char reply [256], *p;
reply[sizeof(reply)-1] = 0;
for (;;) {
fflush(stdout);
if (! fgets (reply, sizeof(reply)-1, stdin))
return (0);
for (p=reply; *p==' ' || *p=='\t'; ++p)
continue;
if (*p=='y' || *p=='Y')
return (1);
if (*p=='n' || *p=='N' || *p=='\n' || *p=='\r')
return (0);
printf("Answer `yes' or `no': ");
}
}
int
main(int argc, char **argv)
{
int format = -1, cyls = -1, secs = -1, heads = -1, intleave = -1;
int rate = -1, gaplen = -1, secsize = -1, steps = -1;
int fill = 0xf6, quiet = 0, verify = 1, verify_only = 0, confirm = 0;
int fd, c, track, error, tracks_per_dot, bytes_per_track, errs;
const char *devname, *suffix;
struct fd_type fdt;
while((c = getopt(argc, argv, "f:c:s:h:r:g:S:F:t:i:qyvn")) != -1)
switch(c) {
case 'f': /* format in kilobytes */
format = atoi(optarg);
break;
case 'c': /* # of cyls */
cyls = atoi(optarg);
break;
case 's': /* # of secs per track */
secs = atoi(optarg);
break;
case 'h': /* # of heads */
heads = atoi(optarg);
break;
case 'r': /* transfer rate, kilobyte/sec */
rate = atoi(optarg);
break;
case 'g': /* length of GAP3 to format with */
gaplen = atoi(optarg);
break;
case 'S': /* sector size shift factor (1 << S)*128 */
secsize = atoi(optarg);
break;
case 'F': /* fill byte, C-like notation allowed */
fill = (int)strtol(optarg, (char **)0, 0);
break;
case 't': /* steps per track */
steps = atoi(optarg);
break;
case 'i': /* interleave factor */
intleave = atoi(optarg);
break;
case 'q':
quiet = 1;
break;
case 'y':
confirm = 1;
break;
case 'n':
verify = 0;
break;
case 'v':
verify = 1;
verify_only = 1;
break;
case '?': default:
usage();
}
if(optind != argc - 1)
usage();
switch(format) {
default:
errx(2, "bad floppy size: %dK", format);
case -1: suffix = ""; break;
case 360: suffix = ".360"; break;
case 640: suffix = ".640"; break;
case 720: suffix = ".720"; break;
case 800: suffix = ".800"; break;
case 820: suffix = ".820"; break;
case 1200: suffix = ".1200"; break;
case 1232: suffix = ".1232"; break;
case 1440: suffix = ".1440"; break;
case 1480: suffix = ".1480"; break;
case 1720: suffix = ".1720"; break;
}
devname = makename(argv[optind], suffix);
if((fd = open(devname, O_RDWR)) < 0)
err(1, "%s", devname);
if(ioctl(fd, FD_GTYPE, &fdt) < 0)
errx(1, "not a floppy disk: %s", devname);
switch(rate) {
case -1: break;
case 250: fdt.trans = FDC_250KBPS; break;
case 300: fdt.trans = FDC_300KBPS; break;
case 500: fdt.trans = FDC_500KBPS; break;
default:
errx(2, "invalid transfer rate: %d", rate);
}
if (cyls >= 0) fdt.tracks = cyls;
if (secs >= 0) fdt.sectrac = secs;
if (fdt.sectrac > FD_MAX_NSEC)
errx(2, "too many sectors per track, max value is %d", FD_MAX_NSEC);
if (heads >= 0) fdt.heads = heads;
if (gaplen >= 0) fdt.f_gap = gaplen;
if (secsize >= 0) fdt.secsize = secsize;
if (steps >= 0) fdt.steptrac = steps;
if (intleave >= 0) fdt.f_inter = intleave;
bytes_per_track = fdt.sectrac * (1<<fdt.secsize) * 128;
/* XXX 20/40 = 0.5 */
tracks_per_dot = (fdt.tracks * fdt.heads + 20) / 40;
if (verify_only) {
if(!quiet)
printf("Verify %dK floppy `%s'.\n",
fdt.tracks * fdt.heads * bytes_per_track / 1024,
devname);
}
else if(!quiet && !confirm) {
printf("Format %dK floppy `%s'? (y/n): ",
fdt.tracks * fdt.heads * bytes_per_track / 1024,
devname);
if(! yes ()) {
printf("Not confirmed.\n");
return 0;
}
}
/*
* Formatting.
*/
if(!quiet) {
int i;
printf("Processing ");
for (i = 0; i < (fdt.tracks * fdt.heads) / tracks_per_dot; i++)
putchar('-');
printf("\rProcessing ");
fflush(stdout);
}
error = errs = 0;
for (track = 0; track < fdt.tracks * fdt.heads; track++) {
if (!verify_only) {
format_track(fd, track / fdt.heads, fdt.sectrac,
track % fdt.heads, fdt.trans, fdt.f_gap,
fdt.secsize, fill, fdt.f_inter);
if(!quiet && !((track + 1) % tracks_per_dot)) {
putchar('F');
fflush(stdout);
}
}
if (verify) {
if (verify_track(fd, track, bytes_per_track) < 0)
error = errs = 1;
if(!quiet && !((track + 1) % tracks_per_dot)) {
if (!verify_only)
putchar('\b');
if (error) {
putchar('E');
error = 0;
}
else
putchar('V');
fflush(stdout);
}
}
}
if(!quiet)
printf(" done.\n");
return errs;
}
/*
* Local Variables:
* c-indent-level: 8
* c-continued-statement-offset: 8
* c-continued-brace-offset: 0
* c-brace-offset: -8
* c-brace-imaginary-offset: 0
* c-argdecl-indent: 8
* c-label-offset: -8
* c++-hanging-braces: 1
* c++-access-specifier-offset: -8
* c++-empty-arglist-indent: 8
* c++-friend-offset: 0
* End:
*/