Date: Wed, 26 Dec 2001 00:02:23 +1000 From: Stephen McKay <mckay@thehub.com.au> To: sos@freebsd.org Cc: freebsd-current@freebsd.org Subject: Fix for broken "burncd msinfo" PR#27593 Message-ID: <200112251402.fBPE2OI11645@dungeon.home>
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A number of people have complained that "burncd msinfo" returns the wrong
value when there are already multiple sessions on a CD. This is true,
and is bug bin/27593.
Since I burn a lot of multisession CDs, and have been working out the mkisofs
-C values by hand with the help of "cdcontrol info", I thought now would be a
good time to fix this bug.
Unfortunately, I've found that burncd won't work with SCSI burners, and
the only ATAPI burner I have is at work, and well, it's Christmas and all
that. So this is completely untested, though I believe it should work.
I hope this can make it into 4.5.
Stephen.
PS How much work would it be to add the CDRIO* ioctls to the SCSI cd driver?
Index: burncd.c
===================================================================
RCS file: /cvs/src/usr.sbin/burncd/burncd.c,v
retrieving revision 1.19
diff -u -r1.19 burncd.c
--- burncd.c 2001/12/24 03:20:10 1.19
+++ burncd.c 2001/12/25 13:45:48
@@ -149,10 +149,14 @@
break;
}
if (!strcasecmp(argv[arg], "msinfo")) {
+ struct ioc_toc_header header;
struct ioc_read_toc_single_entry entry;
+ if (ioctl(fd, CDIOREADTOCHEADER, &header) < 0)
+ err(EX_IOERR, "ioctl(CDIOREADTOCHEADER)");
bzero(&entry, sizeof(struct ioc_read_toc_single_entry));
entry.address_format = CD_LBA_FORMAT;
+ entry.track = header.ending_track;
if (ioctl(fd, CDIOREADTOCENTRY, &entry) < 0)
err(EX_IOERR, "ioctl(CDIOREADTOCENTRY)");
if (ioctl(fd, CDRIOCNEXTWRITEABLEADDR, &addr) < 0)
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