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Re: file descriptors opened as text files
- To: Jean Delvare <delvare at ensicaen dot ismra dot fr>
- Subject: Re: file descriptors opened as text files
- From: "Larry Hall (RFK Partners, Inc)" <lhall at rfk dot com>
- Date: 2001年2月15日 10:49:21 -0500
- Cc: cygwin at sources dot redhat dot com
- References: <5.0.2.1.0.20010214175309.00a92220@pop.ma.ultranet.com>
At 09:36 AM 2/15/2001, Jean Delvare wrote:
>But file descriptors being concerned, cygwin's behavior is just weird (my
>opinion). The file desciptor is the lowest access level to the files. In
>the unix world (the real one) there is simply no text mode defined for
>file descriptors (which makes my program using O_BINARY unportable). It
>looks like a Cygnus' invention, and will probably cause lots of trouble to
>any developper porting applications using file descriptors - and there
>must be a lot. I don't even think this behavior is POSIX compliant (but I
>don't know how to check it).
Its not a Cygwin invention. Its a MS one. Check out the documentation
for open()/_open() on the MSDN. They use the _O_BINARY flag. Don't get me
wrong. I hate text mode in all its forms. Perhaps Cygwin could've forgone
its use here. Maybe not. However, doing so here follows the MS lead and
wasn't a Cygwin concoction.
Larry Hall lhall@rfk.com
RFK Partners, Inc. http://www.rfk.com
118 Washington Street (508) 893-9779 - RFK Office
Holliston, MA 01746 (508) 893-9889 - FAX
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