Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!o.gp.cs.cmu.edu!andrew.cmu.edu!rh2y+
From: rh2y+@andrew.cmu.edu (Russell E. Hoffman, II)
Newsgroups: comp.os.os9
Subject: Need help w/directories under C
Message-ID: <0bOkkiu00WB6QLT0M4@andrew.cmu.edu>
Date: 16 Dec 90 05:54:54 GMT
Organization: Carnegie Mellon, Pittsburgh, PA
Lines: 18

I am writing a utility program in C, and part of it requires grabbing
the directory stuff for a particular file (i.e. the size of the file,
date of creation, etc.)

I am presently using the opendir() and readdir() routines to read in the
filenames, and then i do an open() on an individual file to get a path
to it, then a _gs_gfd() to get its file descriptor. This works fine,
unless the particular file happens to itself be a directory. In this case,
_gs_gfd() returns -1, an error. How can I tell if a file is a directory
or not? I was hoping that _gs_gfd() would be of use, by reading the file
descriptor and then getting its attribute byte, but obviously this is not
going to work.   Any hints?


Thanks in advance,
Russell Hoffman
rh2y+@andrew.cmu.edu
Carnegie Mellon University