Re: Good Idea (tm): Code Consolidation for Functions and Macros that Access the Process Address Space

Russell King (rmk@arm.linux.org.uk)
Sun, 6 Oct 2002 10:50:08 +0100

On Sat, Oct 05, 2002 at 07:58:55PM -0500, Joseph D. Wagner wrote:
> SUBJECT: Good Idea (tm): Code Consolidation for Functions and Macros
> that Access the Process Address Space
>...
> Remember, if a function call has no place for a returned value to go,
> nothing bad happens; the returned value is simply ignored/discarded.

And the compiler warning?

> SOLUTION:

Get rid of the _ret forms. Their use is frowned on today anyway because
they hide the real meaning of what the code is trying to do, and hiding
the fact that a function can return in the middle of what looks like a
macro call is _REAL_ _BAD_.

-- 
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html


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