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The do statement ensures the macros to generate just one expression that
is compatible with any programming construct. The concrete bug was
if (cond)
PDBG(...);
else
...
which was expanded to
if (cond)
if (DO_PDBG)
Genode::printf(...);
else
...
This is obviously wrong as the *else* branch is then connected to the
second *if*.
This directory contains include files of interfaces that are exported by components to be used by other components. Each subdirectory corresponds to the component exporting the interface.