Ideas for changes to Unix filesystem

Richard M. Mathews richard at locus.com
Tue Feb 12 14:02:33 AEST 1991


dhesi%cirrusl at oliveb.ATC.olivetti.com (Rahul Dhesi) writes:
>brnstnd at kramden.acf.nyu.edu (Dan Bernstein) writes:
>>Nah. flink() would only work if you have the file open for writing.
>Well, writing but not O_APPEND.

I don't think an O_APPEND check would be necessary.  Since fcntl() can
be used to change the O_APPEND flag, anything which depends on it for
security would already be broken (unless you have a system which has
O_APPEND but doesn't have fcntl(F_SETFL)).

Richard M. Mathews			 Freedom for Lithuania
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