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Re: RFC: status icon support

From: Andreas Schwab
Subject: Re: RFC: status icon support
Date: Sat, 12 Jan 2008 18:33:49 +0100
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux)

David Kastrup <address@hidden> writes:

> Andreas Schwab <address@hidden> writes:
>> There is nothing undefined in old-style function defintions.
> There certainly is.  If they don't match the prototype, the compiler is
> free to do whatever it thinks correct. 

Wrong.  In the presence of a prototype there is no difference between an
old-style and a new-style definition.

> It is not required to generate an error.

A compiler is never required to generate an error.  The standard calls
this a diagnostic, and the compiler can do whatever it pleases after it
has issued a diagnostic.

> Where is the point in combining a prototype that won't compile under K&R
> compilers with a K&R definition (which won't compile under C++ or newer
> standard compilers)?

A standard compiler is required to accept them.


Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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