Re: [RFC][PATCH] fix abs() macro to work with types wider than int

From: Andreas Schwab
Date: Wed Apr 25 2007 - 17:58:24 EST

"linux-os (Dick Johnson)" <linux-os@xxxxxxxxxxxx> writes:

> The original query was for a macro.

A macro that does not evaluate its argument more than once. If you want
it to match the behaviour as defined by the C standard then it is not
allowed to do so.


Andreas Schwab, SuSE Labs, schwab@xxxxxxx
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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