Path: utzoo!utgpu!water!watmath!clyde!att!pacbell!ames!nrl-cmf!mailrus!tut.cis.ohio-state.edu!mandrill!hal!ncoast!allbery
From: allbery@ncoast.UUCP (Brandon S. Allbery)
Newsgroups: comp.unix.wizards
Subject: Re: Getting the pathname from a FILE*.
Message-ID: <11931@ncoast.UUCP>
Date: 21 Jul 88 22:29:40 GMT
References: <651@umb.umb.edu> <4531@csli.STANFORD.EDU> <1645@osiris.UUCP>
Reply-To: allbery@ncoast.UUCP (Brandon S. Allbery)
Followup-To: comp.unix.wizards
Organization: Cleveland Public Access UN*X, Cleveland, Oh
Lines: 19

As quoted from <1645@osiris.UUCP> by guest@osiris.UUCP (Guest account):
+---------------
| It almost seems to me that this is a case which stdio is not designed to
| handle. So - I'd say add another level of indirection. Write a routine
| that acts like fopen() - and one that acts like fclose(), etc. Have it
| store the name someplace, using only the "standard" interface to stdio,
| and then write another routine, or macro, that allows you to get the
| information back. I can't imagine that would be hard, and I expect it
| will work a LOT faster than reading your file system.
+---------------

But it won't work in the case of stdin, stdout, stderr -- which are
implicitly fdopen()'ed from fd's 0, 1, and 2.  And stdin is usually the one
you want the name for.

++Brandon
-- 
Brandon S. Allbery, uunet!marque!ncoast!allbery			DELPHI: ALLBERY
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