K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2018-01-10T19:45:38.144541Z
K 7
svn:log
V 317
Use mallocarray(9) in dirhash.

Basic use of mallocarray to prevent overflows. Here allocation is done
with M_NOWAIT so the code is prepared for the possibility of returning
NULL values. Since mallocarray expects unsigned parameters, unsign some
related variables to minimize sign conversions.

Reviewed by:	mckusick

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