Don Lewis bb734798af Make overflow/wraparound checking more robust and unbreak len=0 in
vslock(), mlock(), and munlock().

Reviewed by:	bde
2004-03-15 09:11:23 +00:00
..
2003-08-06 12:08:27 +00:00
2003-08-11 05:51:51 +00:00
2004-03-04 04:26:14 +00:00