warn_unused_result

[Havoc Pennington]

Hi,

I just read this in lwn:

          Then, there are various cleanup and safety patches. For
        example,  gcc 3.4 supports a "warn_unused_result" attribute on
        functions; the compiler will complain when code calls a function
        marked with this attribute and fails to check the return value.
        
That sounds pretty nice, would be cool to use in dbus. Not a bad GLib
feature either.

Havoc