From: fjh AT cs DOT mu DOT OZ DOT AU (Fergus Henderson)
Subject: Re: BUG: stdin not a constant
4 Dec 1997 01:22:39 -0800
Message-ID: <199712040820.TAA17063.cygnus.gnu-win32@mundook.cs.mu.OZ.AU>
References: <199712040048 DOT LAA26596 AT rimmer DOT cs DOT mu DOT OZ DOT AU>
To: gnu-win32 AT cygnus DOT com
Cc: petdr AT students DOT cs DOT mu DOT oz DOT au

Peter David ROSS <petdr AT students DOT cs DOT mu DOT oz DOT au> writes:

>The following code doesn't compile. 
>
>------
>#include <stdio.h>
>
>static FILE *out = stdout;
>
>void main(void)
>{
>    /* out = stdout; */
>    fprintf(out, "hello world\n");
>}

That code is not ANSI/ISO-conformant C.
The ANSI/ISO C standard does not require `stdout' to be a constant
suitable for use in a static initializer.

>The fix is to remove the initialiser and add the line which is commented out.

Correct.

>However the code I am trying to port has these sort of variables spread
>all over the place,

You have my sympathy ;-)

>and I would like to know if there is someway I can
>get the compiler to treat it as a constant.

I'm fairly sure there's no simple way.
I think you'll just have to fix your non-conformant source code.

--
Fergus Henderson <fjh AT cs DOT mu DOT oz DOT au>   |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>   |  of excellence is a lethal habit"
PGP: finger fjh AT 128 DOT 250 DOT 37 DOT 3         |     -- the last words of T. S. Garp.
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