neil@cs.hw.ac.uk (Neil Forsyth) (02/08/91)
In article <2827@atari.UUCP> apratt@atari.UUCP (Allan Pratt) writes: >neil@cs.hw.ac.uk (Neil Forsyth) writes: >>As it is I can hide a folder by flipping the bit manually >>using a disk editor. (It's OK Allan I reboot afterwards!) > >It's not OK. GEMDOS's behavior in the presence of unexpected flag >combinations is undefined. For example, some places in the code could >check for (attr & SUBDIR) but some check for (attr == SUBDIR). So you might >find that you can use the thing as a folder, but you can also Fdelete it, >or if you Fcreate a file with the same name it'll get clobbered! This >would be disaster for the files contained in the folder. Thanks for explaining that Allan. I confess I hadn't thought of that after I was able to use the folder as normal. Are there any checks in TOS that might cause such problems? If not, will it remain so? Seems like a good idea to me. System files could go in a system folder etc. >You're playing with fire. You're right of course. I don't do it very often and I promise that if I get burnt because of it I won't go badmouthing you or Atari. I'll just learn my lesson. OK? > >============================================ >Opinions expressed above do not necessarily -- Allan Pratt, Atari Corp. >reflect those of Atari Corp. or anyone else. ...ames!atari!apratt +----------------------------------------------------------------------------+ ! DISCLAIMER:Unless otherwise stated, the above comments are entirely my own ! ! ! ! Neil Forsyth JANET: neil@uk.ac.hw.cs ! ! Dept. of Computer Science ARPA: neil@cs.hw.ac.uk ! ! Heriot-Watt University UUCP: ..!ukc!cs.hw.ac.uk!neil ! ! Edinburgh, Scotland, UK "That was never 5 minutes!" ! +----------------------------------------------------------------------------+