> +#define snd_power_unlock(card) do { (void)(card); } while (0)
Why do we use in kernel:
do { (void)(foobar); } while (0)
instead of the simpler and normally used in std files (e.g. assert.h):
((void)(foobar),0)
?
The "do while(0)" is used for multi-statment macros, not the case for
void statment!
ciao
giacomo
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This archive was generated by hypermail 2b29 : Sat Nov 23 2002 - 22:00:27 EST