Date: Sun, 30 Oct 1994 11:38:29 +0100
From: terra AT diku DOT dk
To: eliz AT is DOT elta DOT co DOT il
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: stat()/fstat() for DJGPP, v.02

   Date: Sun, 30 Oct 94 08:53:56 +0200
   From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
   X-Mts: smtp

   I've uploaded to omnigate a corrected version of stat() and fstat()
   library functions for DJGPP.

A few comments based on your description alone:

     3. Both functions set mode bits for all three groups (user,
	group, other).  Only user gets WRITE access to a file
	(unless it has Read-only, Hidden or System bit set).
     4. stat() sets EXECUTE bit for directories, as it happens
	under Unix, and sets their WRITE access bit for the ``user''
	group unless they have one of Read-only, System or Hidden
	bit set.

Why the Hidden/System bit part?

     5. Directory size is not reported zero by stat(); the number
	of used directory entries (sans the ``.'' and ``..''
	pseudo-entries) multiplied by entry size is returned
	instead for those directories which are reported zero size
	by DOS (some network redirectors do bring valid size for a
	directory).

This could be expensive and is misleading.  If you create a
directory with 1000 files then delete them all, the size of
the directory should not change.

     6. fstat() correctly reports access mode bits and device
	code (st_dev).
     7. Both functions report EXECUTE bits based on file's
	extension and the two-byte magic number present at the
	beginning of the file.

Again this is expensive.

     3. I don't know how to obtain time fields for root directories,
	so they are set to the beginning of the DOS times (1-Jan-80).
	Suggestions, anyone?

You could use the volume label as a better fall back.  Also, I
think there are some time stamp in the boot record.  Semi-expensive
to get at, though.

Morten Welinder
terra AT diku DOT dk
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