Re: [PATCH] ALSA: have snd_BUG_ON() always refer to arguments

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On Fri, Nov 7, 2008 at 03:03, Takashi Iwai wrote:
> At Fri, 7 Nov 2008 02:57:40 -0500, Mike Frysinger wrote:
>> On Fri, Nov 7, 2008 at 02:38, Takashi Iwai wrote:
>> > At Fri, 7 Nov 2008 02:29:25 -0500, Mike Frysinger wrote:
>> >> it also breaks
>> >> valid C code if there were side effects in the (cond) as any other
>> >> macro which does not properly utilize every argument exactly once.
>> >
>> > BTW, what do you mean this exactly?
>>
>> any potent statement.  such as assignment or pre/post increment/decrement or ...
>
> Well, in that case, such a code itself is buggy :)

i'm not advocating doing this sort of thing, i'm saying that
functions/macros should be written correctly so as to not break
standard C behavior.  a guy developing a codec driver could waste a
lot of time because of this sort of thing.
-mike
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