Here's a disclaimer that got through [Fwd: gcc warnings]

[Brian Dessent <brian@dessent.net>]

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Here's more fodder to be added to the disclaimer filter, whenever it's
convenient.

Brian

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From: "Humpolicek, Jiri - Acision" <jiri.humpolicek@acision.com>
To: "Tom St Denis" <tstdenis@ellipticsemi.com>
Cc: <gcc-help@gcc.gnu.org>
Subject: RE: gcc warnings
Date: Wed, 17 Oct 2007 15:58:47 +0200
Message-ID: <53248A54C3B3EC4EAAD993D10A6DD01203C5DDA8@cz-ex002.groupinfra.com>

>My recommendation is to simply not assign across types unless you have 
>to.  If you have a function like
>
>void myfunc(unsigned long somevalue)
>{
>}
>
>Then never store somevalue in anything but an unsigned long unless 
>you're sure of what you are doing.  Why would you write
>
>char careless = somevalue;
>
>just for the hell of it? 
>
>Tom

I fully understand with you Tom. I don't want to write this 'correct'
code, but problem is that it is easy to make this constructs
inadvertently. And IMHO this is place for compiler to report warning
'Here you overlook something'.

Because there is no reason do these things I think that warning is good
solution. And if someone want to use these language properties without
warning, it may be possible to use explicit cast to smaller type to
suppress warning (that is correct because there is evidence that user
knows about his doing).

Thanks, Jiri Humpolicek


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