[Pierre-Marie Baty]

jeez this is really driving me nuts

Not two DLL tutorials on the net say the same thing, wtf? I need for my work to build a DLL in MSVC that exports a function and an executable in MSVC too that will call this function in the DLL.

I have made a simple DLL that has 2 functions and looks like this:

int WINAPI DllMain (HINSTANCE hinstDLL, unsigned long fdwReason, void *lpvReserved)
{
   return (TRUE);
}

void InputPluginAPI (char *input_pathname, block_t *output_blocks)
{
   // this function reads and translate the data from a CSV file into block structures.
 
   // [snip] code follows...
}

I have made a .def file for this DLL

LIBRARY in_cms
EXPORTS
   InputPluginAPI
SECTIONS
   .data READ WRITE

It builds okay. Normally the in_cms.dll should be exporting the InputPluginAPI function, right ?

Now when I try to load it and call it in my main project executable... (here's the WinMain function of this executable)

typedef void (*IN_PLUGINAPI) (char *input_pathname, block_t *output_blocks);
IN_PLUGINAPI ImportedFunction;
 
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, char *lpCmdLine, int nCmdShow)
{
   // program entrypoint
 
   // load the input DLL
   hInputDll = LoadLibrary ("in_cms.dll" );
   if (hInputDll == NULL)
	  TerminateOnError ("WinMain(): unable to load input DLL\n"); // bomb out on error
 
   // get a pointer to the input plugin API
   ImportedFunction = (IN_PLUGINAPI) GetProcAddress (hInputDll, "InputPluginAPI");
   if (!ImportedFunction)
	  TerminateOnError ("WinMain(): unable to get input plugin API\n"); // bomb out on error
 
   // rest of function follows...
}

it fails to GetProcAddress() for the function I want to call in my DLL!

What am I doing wrong ??? :'(