[Octave-bug-tracker] [bug #55542] Undefined behavior in loading oct files and shared libraries

[anonymous]

Follow-up Comment #8, bug #55542 (project octave):

In oct-shlib.cc lines 379-380 for Windows the function "GetProcAddress" is
used:



function = reinterpret_cast<void *>

                   (GetProcAddress (h_libs[i], sym_name.c_str ()));


Readinging it's documentation
<https://docs.microsoft.com/en-us/windows/desktop/api/libloaderapi/nf-libloaderapi-getprocaddress>:



FARPROC GetProcAddress(
  HMODULE hModule,
  LPCSTR  lpProcName
);


It returns FARPROC that is a function pointer
<https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-callwindowproca>.

I think there is no problem with "void(*)()" or int(*)() because they can be
converted to any function pointer.


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