Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!husc6!endor!olson From: olson@endor.harvard.edu (Eric K. Olson) Newsgroups: comp.sys.mac.programmer Subject: Re: Quickdraw Bug Message-ID: <4899@husc6.harvard.edu> Date: 6 Jul 88 18:14:22 GMT References: <3174@polya.Stanford.EDU> Sender: news@husc6.harvard.edu Reply-To: olson@endor.UUCP (Eric K. Olson) Organization: Lexington Software Design, Lexington, MA Lines: 14 In a recent article Marc T. Kaufman writes: >FYI: I have uncovered a bug in Quickdraw that can trash memory. >Environment: 8-bit pixel, rowbytes > 4000 (e.g. 6000). Draw a line from I believe that rowBytes must be less than 4096, and that the high-order bits are used as flags. -Eric Lexington Software Design: Tomorrow's Software Yesterday Eric K. Olson olson@endor.harvard.edu harvard!endor!olson D0760 (Name) (ArpaNet) (UseNet) (AppleLink)