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Use err(3). Document -y flag. Remove unused -s flag from getopt string.

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This commit is contained in:
Philippe Charnier 1997-09-18 06:35:51 +00:00
parent 46c52ddc37
commit d682bccf28
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=29559
2 changed files with 33 additions and 52 deletions
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16
usr.sbin/fdwrite/fdwrite.1
View File

@ -6,7 +6,7 @@
.\" this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
.\" ----------------------------------------------------------------------------
.\"
.\" $Id: fdwrite.1,v 1.4 1997/02/22 16:05:48 peter Exp $
.\" $Id: fdwrite.1,v 1.5 1997/05/19 16:33:27 eivind Exp $
.\"
.\"
.Dd September 16, 1993
@ -17,9 +17,10 @@
.Nd format and write floppy disks
.Sh SYNOPSIS
.Nm fdwrite
.Bq Fl v
.Bq Fl f Ar inputfile
.Bq Fl d Ar device
.Op Fl v
.Op Fl y
.Op Fl f Ar inputfile
.Op Fl d Ar device
.Sh DESCRIPTION
.Nm Fdwrite
formats and writes one and more floppy disks.
@ -40,7 +41,7 @@ This continues until the program is interrupted or EOF is encountered on the
The options are as follows:
.Bl -tag -width 10n -offset indent
.It Fl v
toggles verbosity on stdout.
Toggle verbosity on stdout.
Default is ``on''.
After
.Ar device
@ -49,6 +50,9 @@ During operation progress will be reported with the number of tracks
remaining on the current floppy disk, and the letters I, Z, F, W,
R and C, which indicates completion of Input, Zero-fill, Format
Write, Read and Compare of current track respectively.
.It Fl y
Don't ask for presence of a floppy disk in the drive. This non-interactive flag
is useful for shell scripts.
.It Fl f Ar inputfile
Input file to read. If none is given, stdin is assumed.
.It Fl d Ar device
@ -92,7 +96,7 @@ Some of the code was taken from
.Xr fdformat 1 .
.Sh AUTHOR
The program has been contributed by
Poul-Henning Kamp <phk@login.dknet.dk>
.An Poul-Henning Kamp Aq phk@login.dknet.dk
.Sh BUGS
Diagnostics are less than complete at present.

69
usr.sbin/fdwrite/fdwrite.c
View File

@ -6,18 +6,18 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id$
* $Id: fdwrite.c,v 1.6 1997/02/22 16:05:49 peter Exp $
*
*/
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <strings.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>
#include <machine/ioctl_fd.h>
int
@ -54,9 +54,9 @@ format_track(int fd, int cyl, int secs, int head, int rate,
}
static void
usage ()
usage()
{
printf("Usage:\n\tfdwrite [-v] [-y] [-f inputfile] [-d device]\n");
fprintf(stderr, "usage: fdwrite [-v] [-y] [-f inputfile] [-d device]\n");
exit(2);
}
@ -71,7 +71,7 @@ main(int argc, char **argv)
FILE *tty;
setbuf(stdout,0);
while((c = getopt(argc, argv, "d:s:f:vy")) != -1)
while((c = getopt(argc, argv, "d:f:vy")) != -1)
switch(c) {
case 'd': /* Which drive */
device = optarg;
@ -81,10 +81,8 @@ main(int argc, char **argv)
if (inputfd >= 0)
close(inputfd);
inputfd = open(optarg,O_RDONLY);
if (inputfd < 0) {
perror(optarg);
exit(1);
}
if (inputfd < 0)
err(1, "%s", optarg);
break;
case 'v': /* Toggle verbosity */
@ -109,10 +107,8 @@ main(int argc, char **argv)
usage();
tty = fopen("/dev/tty","r+");
if(!tty) {
perror("/dev/tty");
exit(1);
}
if(!tty)
err(1, "/dev/tty");
setbuf(tty,0);
for(j=1;j > 0;) {
@ -127,24 +123,20 @@ main(int argc, char **argv)
}
}
if((fd = open(device, O_RDWR)) < 0) {
perror(device);
exit(1);
}
if((fd = open(device, O_RDWR)) < 0)
err(1, "%s", device);
if(ioctl(fd, FD_GTYPE, &fdt) < 0) {
fprintf(stderr, "fdformat: not a floppy disk: %s\n", device);
exit(1);
}
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) { perror("malloc"); exit(1); }
if(!trackbuf) errx(1, "malloc");
}
if(!vrfybuf) {
vrfybuf = malloc(bpt);
if(!vrfybuf) { perror("malloc"); exit(1); }
if(!vrfybuf) errx(1, "malloc");
}
if(fdn == 1) {
@ -172,30 +164,15 @@ main(int argc, char **argv)
fdt.f_inter);
if(verbose) putc('F',stdout);
if (lseek (fd, (long) track*bpt, 0) < 0) {
perror("lseek");
exit (1);
}
if (write (fd, trackbuf, bpt) != bpt) {
perror("write");
exit (1);
}
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) {
perror("lseek");
exit (1);
}
if (read (fd, vrfybuf, bpt) != bpt) {
perror("read");
exit (1);
}
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)) {
perror("compare");
exit (1);
}
if (memcmp(trackbuf,vrfybuf,bpt)) err(1, "compare");
if(verbose) putc('C',stdout);
memset(trackbuf,0,bpt);