295 lines
7.9 KiB
C
295 lines
7.9 KiB
C
/* $NetBSD: fdformat.c,v 1.2 1996/11/30 01:53:51 jtk Exp $ */
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/*-
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* Copyright (c) 1996 John T. Kohl. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR `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 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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/*
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* fdformat: format a floppy diskette, using interface provided in
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* <sys/fdio.h>
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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 <errno.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <sys/fdio.h>
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#include <err.h>
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#include "pathnames.h"
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char *fdb_array[2] = {_PATH_FLOPPYTAB, 0};
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#define MASK_NBPS 0x0001
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#define MASK_NCYL 0x0002
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#define MASK_NSPT 0x0004
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#define MASK_NTRK 0x0008
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#define MASK_STEPSPERCYL 0x0010
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#define MASK_GAPLEN 0x0020
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#define MASK_FILLBYTE 0x0040
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#define MASK_XFER_RATE 0x0080
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#define MASK_INTERLEAVE 0x0100
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#define ALLPARMS (MASK_NBPS|MASK_NCYL|MASK_NSPT|MASK_NTRK|MASK_STEPSPERCYL|MASK_GAPLEN|MASK_FILLBYTE|MASK_XFER_RATE|MASK_INTERLEAVE)
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int confirm(int);
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int verify_track(int, int, int, struct fdformat_parms *, char *);
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int
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confirm(int def)
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{
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int ch;
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printf(" Yes/no [%c]?", def ? 'y' : 'n');
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ch = getchar();
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switch (ch) {
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case 'y':
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case 'Y':
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return 1;
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case '\n':
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return def;
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case EOF:
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case 'n':
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case 'N':
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default:
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return 0;
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}
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}
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int
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verify_track(int fd, int cyl, int trk, struct fdformat_parms *parms, char *buf)
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{
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size_t tracksize;
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off_t offset;
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tracksize = parms->nbps * parms->nspt; /* bytes per track */
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offset = tracksize * (cyl * parms->ntrk + trk); /* track offset */
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if (lseek(fd, offset, SEEK_SET) == (off_t) -1) {
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putchar('E');
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return 1;
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}
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if (read(fd, buf, tracksize) != tracksize) {
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putchar('E');
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return 1;
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} else
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putchar('V');
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return 0;
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}
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void
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usage(void)
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{
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extern char *__progname;
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errx(1,"Usage: %s [-f device] [-t type] [-n] [-B nbps] [-S nspt]\n\t[-T ntrk] [-C ncyl] [-P stepspercyl] [-G gaplen]\n\t[-F fillbyte] [-X xfer_rate] [-I interleave]\n", __progname);
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}
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#define numarg(which, maskn) \
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tmplong = strtol(optarg, &tmpcharp, 0); \
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if (*tmpcharp != '\0' || tmplong <= 0 || tmplong == LONG_MIN || tmplong == LONG_MAX) \
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errx(1, "invalid numerical argument %s for " # which, optarg); \
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parms.which = tmplong; \
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parmmask |= MASK_##maskn
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#define getparm(structname, maskname) \
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if (cgetnum(fdbuf, # structname, &tmplong) == -1) \
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errx(1, "parameter " # structname " missing for type %s", \
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optarg); \
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parms.structname = tmplong; \
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parmmask |= MASK_ ## maskname
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#define copyparm(which, mask) \
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if ((parmmask & MASK_##mask) == 0) \
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parms.which = fetchparms.which
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int
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main(int argc, char *argv[])
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{
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char *fdbuf = NULL, *trackbuf;
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int errcnt = 0;
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int verify = 1;
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int ch;
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long tmplong;
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int tmpint;
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char *tmpcharp;
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int parmmask = 0;
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struct fdformat_parms parms, fetchparms;
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struct fdformat_cmd cmd;
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char *filename = _PATH_FLOPPY_DEV;
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int fd;
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register int trk, cyl;
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while ((ch = getopt(argc, argv, "f:t:nB:C:S:T:P:G:F:X:I:")) != -1)
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switch (ch) {
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case 't': /* disk type */
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switch (cgetent(&fdbuf, fdb_array, optarg)) {
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case 0:
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break;
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case 1:
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case -3:
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errx(1, "tc= loop or missing entry entry in "
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_PATH_FLOPPYTAB " for type %s", optarg);
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break;
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case -1:
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errx(1, "unknown floppy disk type %s", optarg);
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break;
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default:
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err(1, "problem accessing " _PATH_FLOPPYTAB);
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break;
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}
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getparm(nbps, NBPS);
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getparm(ncyl, NCYL);
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getparm(nspt, NSPT);
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getparm(ntrk, NTRK);
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getparm(stepspercyl, STEPSPERCYL);
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getparm(gaplen, GAPLEN);
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getparm(fillbyte, FILLBYTE);
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getparm(xfer_rate, XFER_RATE);
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getparm(interleave, INTERLEAVE);
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break;
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case 'f': /* device name */
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filename = optarg;
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break;
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case 'n': /* no verify */
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verify = 0;
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break;
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case 'B':
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numarg(nbps, NBPS);
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break;
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case 'C':
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numarg(ncyl, NCYL);
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break;
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case 'S':
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numarg(nspt, NSPT);
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break;
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case 'T':
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numarg(ntrk, NTRK);
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break;
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case 'P':
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numarg(stepspercyl, STEPSPERCYL);
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break;
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case 'G':
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numarg(gaplen, GAPLEN);
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break;
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case 'F': /* special handling--0 is OK */
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/*numarg(fillbyte, FILLBYTE);*/
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tmplong = strtol(optarg, &tmpcharp, 0);
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if (*tmpcharp != '\0' || tmplong < 0 ||
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tmplong == LONG_MIN || tmplong == LONG_MAX)
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errx(1, "invalid numerical argument %s for fillbyte", optarg);
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parms.fillbyte = tmplong;
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parmmask |= MASK_FILLBYTE;
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break;
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case 'X':
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numarg(xfer_rate, XFER_RATE);
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break;
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case 'I':
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numarg(interleave, INTERLEAVE);
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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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fd = open(filename, O_RDWR);
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if (fd == -1)
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err(1, "cannot open %s", filename);
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if (ioctl(fd, FDIOCGETFORMAT, &fetchparms) == -1) {
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if (errno == ENOTTY)
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err(1, "device %s does not support floppy formatting",
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filename);
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else
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err(1, "cannot fetch current floppy formatting parameters");
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}
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copyparm(nbps, NBPS);
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copyparm(ncyl, NCYL);
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copyparm(nspt, NSPT);
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copyparm(ntrk, NTRK);
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copyparm(stepspercyl, STEPSPERCYL);
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copyparm(gaplen, GAPLEN);
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copyparm(fillbyte, FILLBYTE);
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copyparm(xfer_rate, XFER_RATE);
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copyparm(interleave, INTERLEAVE);
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parms.fdformat_version = FDFORMAT_VERSION;
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tmpint = FDOPT_NORETRY|FDOPT_SILENT;
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if (ioctl(fd, FDIOCSETOPTS, &tmpint) == -1 ||
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ioctl(fd, FDIOCSETFORMAT, &parms) == -1) {
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warn("cannot set requested formatting parameters");
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errx(1, "%d cylinders, %d tracks, %d sectors of %d bytes",
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parms.ncyl, parms.ntrk, parms.nspt, parms.nbps);
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}
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printf("Ready to format %s with %d cylinders, %d tracks, %d sectors of %d bytes\n(%d KB)",
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filename, parms.ncyl, parms.ntrk, parms.nspt, parms.nbps,
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parms.ncyl * parms.ntrk * parms.nspt * parms.nbps / 1024);
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if (!confirm(1))
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errx(1,"formatting abandoned--not confirmed.");
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if (verify)
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trackbuf = malloc(parms.nbps * parms.nspt);
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cmd.formatcmd_version = FDFORMAT_VERSION;
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for (cyl = 0; cyl < parms.ncyl; cyl++) {
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cmd.cylinder = cyl;
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for (trk = 0; trk < parms.ntrk; trk++) {
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cmd.head = trk;
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if (ioctl(fd, FDIOCFORMAT_TRACK, &cmd) == 0) {
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putchar('F');
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if (verify)
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putchar('\b');
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fflush(stdout);
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if (verify)
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errcnt += verify_track(fd, cyl, trk,
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&parms,
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trackbuf);
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} else if (errno == EINVAL) {
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putchar('\n');
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errx(1, "formatting botch at <%d,%d>",
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cyl, trk);
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} else if (errno == EIO) {
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putchar('E');
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fflush(stdout);
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errcnt++;
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}
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}
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}
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putchar('\n');
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if (errcnt)
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errx(1,"%d track formatting errors", errcnt);
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return 0;
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}
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