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Date: Mon, 15 Jan 2001 14:49:06 -0500
To: "Joey Mukherjee" <joey AT swri DOT org>, <cygwin AT sources DOT redhat DOT com>
From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject: Re: Problem with F:/ and /cygdrive/f/ solved!
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At 02:15 PM 1/15/2001, Joey Mukherjee wrote:
>Thanks for all the help on the F:/ and /cygdrive/f/ difference and as many
>had noted, it was indeed the O_BINARY flag which can make the difference.  I
>did search the FAQ before posting but missed it since the answer was hidden
>under the "DOS/Unix to CR/LF" question which I did not think was my problem.
>
>However, is O_BINARY a standard flag for open?  Adding that flag on Solaris
>seems to fail in compile since that symbol is not defined or mentioned in
>the open man page.  I'd hate to add #ifdef around every open...


O_BINARY should be standard, but I'm no expert at standards.  You could 
probably track down the precise wording as well as I if you're interested.
In any case, there's no need to #ifdef every open call.  Simply add O_BINARY
and define it as appropriate for the platform you're on, assuming its not
already defined, in a header file of your choosing.  You can also look for
_O_BINARY. 


>Why is text mode the default for open?  Wouldn't one use fopen for text
>processing and open for binary?


Apparently not.  The requirements are historical so trying to make any 
sense of them is a loosing battle.  Don't let that stop you though if you're
so inclined!;-)


Larry Hall                              lhall AT rfk DOT 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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