Re: [PATCH][2.5] Single linked lists for Linux, overly complicated v2

From: Daniel Phillips (phillips@arcor.de)
Date: Mon Sep 30 2002 - 14:37:53 EST


On Friday 27 September 2002 02:57, Zach Brown wrote:
> #define tslist_add(_head, _elem) \
> do { \
> BUG_ON(tslist_on_list(_head, _elem)); \
> (_elem)->_slist_next = (_head); \
> (_head) = (_elem); \
> } while(0)

This evaluates _head and _elem twice each, or three times if you count
the BUG_ON.

Smaller point: why bother obfuscating the parameter names? You will
need to do that for locals in macros but parameters should cause no
name conflicts.

-- 
Daniel
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