>> You only get an error code if `FT_Done_Face' is called with an
>> invalid handle, something which doesn't happen in a normal FreeType
>> workflow.
>
> What are you supposed to do when it does happen?
You would only check the return value of `FT_Done_Face' if your code
gets an `FT_Face' handle that it doesn't manage by itself (rather
unlikely, but who knows). In this situation it could happen that the
handle is NULL, and this should be reported back – not because
`FT_Done_Face' can't handle value NULL but the fact that it has
received such a handle, which indicates a problem in the calling
program.
For all other cases `FT_Done_Face' can't do any additional harm, so
you can safely ignore its return value (similar to `free').
Werner
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