Subject: Re: AS/400 QOpenSys ln support
From: John Mullee <[email-masked]>
To: "Igor A. Walter" <[email-masked]>
Cc: [email-masked]
Date: Fri, 16 Apr 1999 01:25:28 +0000

"Igor A. Walter" wrote:
> I'm using CygWin B20 to access the QOpenSys file system on an AS/400, it's a kind of Unix FS emulation. (For more on the AS/400 IFS, http://publib.boulder.ibm.com:80/cgi-bin/bookmgr/BOOKS/QB3AUH02/5.3)

It's not clear from your mail or the docs whether the IFS driver on the
PC is
ported C code or some native thing from IBM.
If the driver provides POSIX linking capabilities, then either:
  - cygwin could be modified to detect and exploit the proprietary
driver, or
  - if the proprietary driver appears to windows to be an NTFS volume,
then
    the cygin dll could be modified to use Microsoft NTFS/POSIX links.
The problem is that currently, cygwin links use special files, not POSIX
links,
even on NTFS (which supports links).
I guess the rationale is that this will work on dos/w95/w98 volumes too.
Does your PC OS support NTFS, and therefore the POSIX linking api?
(hint: only NT does)
look at

http://publib.boulder.ibm.com:80/cgi-bin/bookmgr/BOOKS/QB3AUH02/5.10.2.2?ACTION=MATCHES&REQUEST=qopensys&TYPE=FUZZY&searchTopic=TOPIC&searchText=TEXT&searchIndex=INDEX&rank=RANK#FIRSTHIT

john

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