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Message-ID:	<37218038.23663084@hem2.passagen.se>
Date:	Sat, 24 Apr 1999 10:26:32 +0200
From:	Anders Norlander <anorland AT hem2 DOT passagen DOT se>
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MIME-Version:	1.0
To:	Mumit Khan <khan AT xraylith DOT wisc DOT edu>
CC:	cygwin AT sourceware DOT cygnus DOT com
Subject:	Re: gcc -U_WIN32 pitfalls!
X-Priority:	3 (Normal)
References:	<Pine DOT SUN DOT 3 DOT 93 DOT 990423213143 DOT 2983A-200000 AT modi DOT xraylith DOT wisc DOT edu>

Mumit Khan wrote:
> 
> Just for kicks, I tried to build a small analysis program with -U_WIN32;
> this tool is essentially a filter and doesn't use any win32 specific
> features, so it should be pretty safe, right?
> 
> Looks like certain typedefs are *WRONG* when you undefine _WIN32 and it
> causes amazingly subtle bugs! Any code using stat for example will be
> subtly but surely broken.

Here's the line at the top of sys/types.h causing these bugs:
#if defined (GO32) || defined (__MSDOS__) || defined (_WIN32)

it should be:
#if defined (GO32) || defined (__MSDOS__) || defined (_WIN32) ||
defined(__CYGWIN__)

I don't think there are more of these bugs, a grep for _WIN32
didn't reveal anything.

Regards,
Anders

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