K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2017-04-13T15:52:45.276149Z
K 7
svn:log
V 263
Fix an out-of-bounds write when a zero-length buffer is passed.

Found with ttyname_test and CHERI bounds checking.

Reviewed by:	emaste
Obtained from:	CheriBSD
MFC after:	1 week
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D10377

END