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From: stefan-lucks@see-the.signature
Newsgroups: comp.lang.ada
Subject: Re: YACT (Yet Another C Trap)
Date: Mon, 30 Aug 2010 10:28:57 +0200
Organization: Bauhaus-Universitaet Weimar
Message-ID: <Pine.LNX.4.64.1008301026390.28253@medsec1.medien.uni-weimar.de>
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Date: 2010-08-30T10:28:57+02:00
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On Mon, 30 Aug 2010, stefan-lucks@see-the.signature wrote:

> #include <stdio.h>
> int main (int argc, char **argv)
> { float x;
> 
>     x = 12,3;
> 
>     if (x > 12.1) printf("greater"); else printf("smaller or equal");
>   printf(" than 12.1.\n");
> }
> 
> Here is what it does:
> 
> > gcc flaw.c    
> > ./a.out
> smaller or equal than 12.1.

P.S.: Even gcc -Wall doesn't warn about the flawed ",". It just tells me 
"control reaches end of non-void function" (my main function should return 
an integer, but it doesn't).

> gcc -Wall flaw.c
flaw.c: In function 'main':
flaw.c:9: warning: control reaches end of non-void function

> Is this a language flaw of C, or a bug in gcc?

-- 
------ Stefan Lucks   --  Bauhaus-University Weimar  --   Germany  ------
               Stefan dot Lucks at uni minus weimar dot de
------  I  love  the  taste  of  Cryptanalysis  in  the  morning!  ------