Mon, May 14, 2001 at 00:17:31, dima (Dima Dorfman) wrote about "MIN()/MAX()
definitions in sys/param.h":
> Is there a reason the definitions of the MIN() and MAX() macros in
> sys/param.h are under an '#ifndef _KERNEL'? Quite a few files in the
> kernel define these (well, at least MIN) themselves, so it would seem
> to make sense to define them globally in sys/param.h for the kernel as
> well. Any reason this isn't already done this way, or should I come
> up with a patch to fix that?
gcc provides safe way to implement min()/max():
=== cut from info gcc ===
#define max(a,b) \
({typedef _ta = (a), _tb = (b); \
_ta _a = (a); _tb _b = (b); \
_a > _b ? _a : _b; })
=== end cut ===
For kernel compiling you may rely on gcc and use such safe macros.
I'm unsure for the same statement about userland.
/netch
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