Re: Potential Crash?

[Bob Pendleton <bob@pendleton.com>]

Left to right evaluation is guaranteed by the ANSI standard for C. If it
doesn't work on the compiler you are using demad you money back.

		Bob P.

Frag_ Daddy wrote:
> 
>     You could of course try it... or just write it
> 
> if(t)
>      if(t->number)
>           Do something.
> 
>      But I'll speculate anyway.  I'm  thinking that the first way would work
> on most, if not all compilers, but you should know that I base this on
> nothing...
> 
> >From: Jörg Rüppel <rueppel@trinode.com>
> >Reply-To: gameprogrammer@gameprogrammer.com
> >To: <gameprogrammer@gameprogrammer.com>
> >Subject: Potential Crash?
> >Date: Fri, 6 Oct 2000 16:48:11 +0200
> >
> >Hi,
> >
> >I just want to know if this code is valid:
> >
> >TILE *t = blah..;
> >
> >if ((t) && (t->number)) blahhh...
> >
> >Could this crash on some compilers if 't' is NULL? Or do ALL compilers
> >evaluate this from left to right and stop if one of the clauses are false?
> >
> >Thanks
> >Jörg Rüppel
> >
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