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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Translating an embedded C algorithm
Newsgroups: comp.lang.ada
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Date: Tue, 16 Jan 2007 18:36:16 +0100
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Date: 2007-01-16T18:36:11+01:00
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On Tue, 16 Jan 2007 15:12:44 -0200, Cesar Rabak wrote:

> Would you believe that:
> 
> if (a = 1) {
>      ...
> }
> 
> Is semantically valid C, but because it is very easy to mistake this 
> when the intended was:
> 
> if (a == 1) {
>      ...
> }
> 
> That there are tools to look for and signal this!?

There is a good C-style rule for that. Place all constants on the left,
i.e.

 if (1 = a) {  // Compile error

Another advantage is that constant expressions are usually shorter, so it
becomes more readable as well.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de