[cairo] Hash rewrite #2: cairo_toy_font_face_hash_table

[Carl Worth]

On Wed, 10 Aug 2005 18:01:41 -0700, Keith Packard wrote:
> I suggest changing the family type in the cache to const and using a
> cast to (char *) on the call to free instead of on the assignment; that
> should bring the necessary comment next to the cast and assert that no
> other non-const usages are present in the code.

Ah, that is definitely an improvement. I left the Boolean guard in
place, but renamed it "owns_family" rather than "family_is_const",
(which also reversed its sense of course). The final code does look
more clear to me.

> Other than that, the code looks fine to me.

Thanks for the careful review. I've now committed these two patches.

-Carl
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