[cairo] Adding a boolean type

[Carl Worth]

On Tue, 01 Feb 2005 12:16:37 -0500, Carl Worth wrote:
> That sounds like consensus to me.

Or not...

> cairoint.h:
> 	#define CAIRO_FALSE 0
> 	#define CAIRO_TRUE  1

Owen and I had previously recommended TRUE/FALSE for internal
usage. And I think I still prefer that. [*]

I really don't have much of a problem just using 1/0 to initialize or
return cairo_bool_t values. But if people really want defines,
CAIRO_TRUE/FALSE does look a bit cluttered for something that's hidden
in the implementation.

If the plan is to avoid ever putting cairo_bool_t parameters in the
public API, then we should be able to contain whatever portability
problems arise in using TRUE/FALSE just in the implementation.

And we can decide what to do for exporting cairo_bool_t parameter
values if the need ever arises.

-Carl

[*] I blame my lack of coherence today on a bad cold from which I'm
still recovering.
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