testing for directory

Roland Smith rsmith at xs4all.nl
Sun Apr 29 20:58:50 UTC 2007

On Sun, Apr 29, 2007 at 04:39:42PM -0400, Robert Huff wrote:
> 	In C code, is there a quick and dirty way to tell if a path
> points to a directory?  Or do I have to open the parent directory and
> check the entry for that name?

Try opening the path in question for writing with open(2). If it returns
-1, and errno is EISDIR, it is a directory.

This will be inconclusive on a read-only filesystem, or if the limit of
open file handles is reached, or for any other reason that can make
open(2) fail.

R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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