K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2019-10-03T13:03:48.701221Z
K 7
svn:log
V 277
MFC r352742: bspatch: add integer overflow checks

Introduce a new add_off_t static function that exits with an error
message if there's an overflow, otherwise returns their sum.  Use this
when adding values obtained from the input patch.

Sponsored by:	The FreeBSD Foundation

END