[Fontconfig-bugs] [Bug 101889] Make fontconfig cache relocatable

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101889

--- Comment #33 from Akira TAGOH <akira at tagoh.org> ---
(In reply to Alexander Larsson from comment #32)
> However, what if you're loading a font from the runtime, which is properly
> in /usr/share/fonts in the sandbox? This will *also* be mapped via the alias
> table.

That shouldn't be a problem as long as they have different uuid and doesn't
have the same filename of a font there. it tries to call stat() to see if it
really exists before looking up the alias table. only things that it might be a
problem is when the runtime has the same-name-but-different-context things
though, in that case we may need to take similar cost to the creating of cache
for checking. as Behdad's patch has been merged into git for speedup of
creating cache, it might simply works without any trick like this, if the
problem is to take too much time for startup.

> Also, why are all the hashes you added using FcStrHashIgnoreCase for the
> filename? You're using regular strcmp later, so its not like the hash lookup
> will be case insensitive anyway.

That is what fontconfig originally has and used for all of string properties.

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