K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2018-01-17T18:18:33.575215Z
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svn:log
V 267
ufs: use mallocarray(9).

Basic use of mallocarray to prevent overflows: static analyzers are also
likely to perform additional checks.

Since mallocarray expects unsigned parameters, unsign some
related variables to minimize sign conversions.

Reviewed by:	mckusick

END