> - (CGPDFDocumentRef)getPDFDocumentRef:(const char *)filename {
> CGPDFDocumentRef document;
>
> snip...
>
> document = CGPDFDocumentCreateWithURL(url);
> return document;
> }
The CF convention is that functions and methods that return a literal reference
to an object - that is, the caller doesn't receive ownership of it - use the
verb "get", as you have above. Functions and methods which do return ownership
use the "copy" or "create" verbs.
Clang Static Analyzer uses these cues to decide what it thinks you should be
doing. If you rename your above method to createPDFDocumentRef:, you should
find it's a lot less confused.
Wade
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