how to export functions by name for ctype

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  • rych
    #1

    how to export functions by name for ctype

    I'm on Windows with VS2005 testing ctypes on a very simple dll
    I create a test.dll project which exports a function fntest(). I don't
    touch anything in the autogenerated source and build it. I can load
    the dll but can't access the function by its name fntest. Only by
    ordinal number or calling getattr with "?fntest@@YAHXZ ". How do I
    export functions by name? It's probably rather a VS2005 question, but
    I'm a bit disappointed ctypes doesn't work with a default export
    convention.
    Tags: None
    • Nick Craig-Wood
      #2
      Re: how to export functions by name for ctype

      rych <rychphd@gmail. comwrote:
      I'm on Windows with VS2005 testing ctypes on a very simple dll
      I create a test.dll project which exports a function fntest(). I don't
      touch anything in the autogenerated source and build it. I can load
      the dll but can't access the function by its name fntest. Only by
      ordinal number or calling getattr with "?fntest@@YAHXZ ". How do I
      export functions by name? It's probably rather a VS2005 question, but
      I'm a bit disappointed ctypes doesn't work with a default export
      convention.
      I guess you've compiled your DLL with C++ and the above is a C++
      mangled name.

      Either compile it with C, or export the names in an extern "C" { }
      block.


      --
      Nick Craig-Wood <nick@craig-wood.com-- http://www.craig-wood.com/nick

        Comment

        • rych
          #3
          Re: how to export functions by name for ctype

          On 23 Jun, 10:32, Nick Craig-Wood <n...@craig-wood.comwrote:
          rych <rych...@gmail. comwrote:
           I'm on Windows with VS2005 testing ctypes on a very simple dll
           I create a test.dll project which exports a function fntest(). I don't
           touch anything in the autogenerated source and build it. I can load
           the dll but can't access the function by its name fntest. Only by
           ordinal number or calling getattr with "?fntest@@YAHXZ ". How do I
           export functions by name? It's probably rather a VS2005 question, but
           I'm a bit disappointed ctypes doesn't work with a default export
           convention.
          >
          I guess you've compiled your DLL with C++ and the above is a C++
          mangled name.
          >
          Either compile it with C, or export the names in an extern "C" { }
          block.
          >
          --
          Nick Craig-Wood <n...@craig-wood.com--http://www.craig-wood.com/nick
          That fixed it, thank you.

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