Re: zeroseek and qmail

Jos Backus writes:
 > On Tue, Aug 27, 2002 at 10:36:43AM -0600, Charles Cazabon wrote:
 > > As you say, he only talks about the seekability in terms of the fd provided to
 > > qmail-local, not /by/ qmail-local to other programs.
 > > 
 > > The only obvious way I can think of to keep the fd provided to programs
 > > seekable under zeroseek would involve copying the message to a temporary file
 > > and providing an fd to that; this could be done inside qmail-local when it
 > > invokes a command delivery.
 > 
 > That sounds kind of messy to me.

Why?  qmail-local would already need to do this if it had a non-tail
program delivery.  How else do you preserve the semantics of the
program delivery exiting with a 100 (permanent failure) exit code?

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