Run-time mocking in C?

Question

This has been pending for a long time in my list now. In brief - I need to run mocked_dummy() in the place of dummy() ON RUN-TIME, wit

Answer 1

You can replace every function by the use of LD_PRELOAD. You have to create a shared library, which gets loaded by LD_PRELOAD. This is a standard function used to turn programs without support for SOCKS into SOCKS aware programs. Here is a tutorial which explains it.