Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

The last big commit: let usr.sbin/ use WARNS=6 by default.

burncd(8) doesn't handle signals and interrupting burncd during operation.
For example, ^C (SIGINT) may leave the drive spinning and locked.
This may also happen if you try to write a too-large image to a disc
and burncd(8) exits with an I/O error.

Add signal handling by doing a CDRIOCFLUSH ioctl to attempt to leave
burner in a sane state when burning is interrupted with SIGHUP, SIGINT,
SIGTERM, or in case an I/O error occurs during write.
Note, that blanking will still continue after interrupt but it seems to
finish correctly even after burncd(8) has quit.

Also, while I'm here bump WARNS to "6".

PR: 48730
Submitted by: Jaakko Heinonen <jh@saunalahti.fi>

Make fully WARNS=5 clean.

Tested on: sparc64, x86

Fix printf format errors on 64-bit platforms and make WARNS=5 compliant.
Checked on Alpha and IA32.

Reviewed by: maintainer timeout
MFC after: 1 week

Argh...save buffer before committing. NO_WERROR takes a value of
'yes', not 2.

WARNS=2 fixup. Set NO_WERROR due to use of 'j' format specifier.

PR: bin/32567

- Backout botched attempt to introduce MANSECT feature.
- MAN[1-9] -> MAN.

Set the default manual section for usr.sbin/ to 8.

Fix 'make world' breakage caused by missing comment character.

New ATAPI burner utility. Replaces wormcontrol.