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/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $FreeBSD$
*
*/
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/fdcio.h>
static int
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[100];
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;
}
return ioctl(fd, FD_FORM, (caddr_t)&f);
}
static void
usage(void)
{
fprintf(stderr, "usage: fdwrite [-v] [-y] [-f inputfile] [-d device]\n");
exit(2);
}
int
main(int argc, char **argv)
{
int inputfd = -1, c, fdn = 0, i,j,fd;
int bpt, verbose=1, nbytes=0, track;
int interactive = 1;
const char *device= "/dev/fd0";
char *trackbuf = 0,*vrfybuf = 0;
struct fd_type fdt;
FILE *tty;
setbuf(stdout,0);
while((c = getopt(argc, argv, "d:f:vy")) != -1)
switch(c) {
case 'd': /* Which drive */
device = optarg;
break;
case 'f': /* input file */
if (inputfd >= 0)
close(inputfd);
inputfd = open(optarg,O_RDONLY);
if (inputfd < 0)
err(1, "%s", optarg);
break;
case 'v': /* Toggle verbosity */
verbose = !verbose;
break;
case 'y': /* Don't confirm? */
interactive = 0;
break;
case '?': default:
usage();
}
if (inputfd < 0)
inputfd = 0;
if (!isatty(1))
interactive = 0;
if(optind < argc)
usage();
tty = fopen(_PATH_TTY,"r+");
if(!tty)
err(1, _PATH_TTY);
setbuf(tty,0);
for(j=1;j > 0;) {
fdn++;
if (interactive) {
fprintf(tty,
"Please insert floppy #%d in drive %s and press return >",
fdn,device);
while(1) {
i = getc(tty);
if(i == '\n') break;
}
}
if((fd = open(device, O_RDWR)) < 0)
err(1, "%s", device);
if(ioctl(fd, FD_GTYPE, &fdt) < 0)
errx(1, "not a floppy disk: %s", device);
bpt = fdt.sectrac * (1<<fdt.secsize) * 128;
if(!trackbuf) {
trackbuf = malloc(bpt);
if(!trackbuf) errx(1, "malloc");
}
if(!vrfybuf) {
vrfybuf = malloc(bpt);
if(!vrfybuf) errx(1, "malloc");
}
if(fdn == 1) {
if(verbose) {
printf("Format: %d cylinders, %d heads, %d sectors, %d bytes = %dkb\n",
fdt.tracks,fdt.heads,fdt.sectrac,(1<<fdt.secsize) * 128,
fdt.tracks*bpt*fdt.heads/1024);
}
memset(trackbuf,0,bpt);
for(j=0;inputfd >= 0 && j<bpt;j+=i) {
if(!(i = read(inputfd,trackbuf+j,bpt-j))) {
close(inputfd);
inputfd = -1;
break;
}
nbytes += i;
}
}
for (track = 0; track < fdt.tracks * fdt.heads; track++) {
if(verbose) printf("\r%3d ",fdt.tracks * fdt.heads-track);
if(verbose) putc((j ? 'I':'Z'),stdout);
format_track(fd, track / fdt.heads, fdt.sectrac, track % fdt.heads,
fdt.trans, fdt.f_gap, fdt.secsize, 0xe6,
fdt.f_inter);
if(verbose) putc('F',stdout);
if (lseek (fd, (long) track*bpt, 0) < 0) err(1, "lseek");
if (write (fd, trackbuf, bpt) != bpt) err(1, "write");
if(verbose) putc('W',stdout);
if (lseek (fd, (long) track*bpt, 0) < 0) err(1, "lseek");
if (read (fd, vrfybuf, bpt) != bpt) err(1, "read");
if(verbose) putc('R',stdout);
if (memcmp(trackbuf,vrfybuf,bpt)) err(1, "compare");
if(verbose) putc('C',stdout);
memset(trackbuf,0,bpt);
for(j=0;inputfd >= 0 && j<bpt;j+=i) {
if(!(i = read(inputfd,trackbuf+j,bpt-j))) {
close(inputfd);
inputfd = -1;
break;
}
nbytes += i;
}
}
close(fd);
putc('\r',stdout);
}
if(verbose)
printf("%d bytes on %d flopp%s\n",nbytes,fdn,fdn==1?"y":"ies");
exit(0);
}
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