Re: (0 == foo), rather than (foo == 0)

[Andreas Schwab <schwab@suse.de>]

mru@kth.se (Måns Rullgård) writes:

> Stefan Smietanowski <stesmi@stesmi.com> writes:
>
>> Hi Linus.
>>
>>> The warning should be there whether there are parenthesis or not,
>>> and it should state that you should have an explicit inequality
>>> expression. So if you have
>>> 	if (a = b) 		...
>>> and you really _mean_ that, then the way to write it sanely is to
>>> just write it as
>>> 	if ((a = b) != 0)
>>> 		...
>>> which makes it much clearer what you're actually doing.
>>
>> Or actually change it to
>>
>> a = b;
>> if (a)
>
> That doesn't work with while().

But this works:  while (a = b, a != 0).
(not that it is any better readable :-) ).

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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