Function LoadMultiDLL

Descent3/multi_dll_mgr.cpp:588–697

Loads the Multi dll. Returns 1 on success, else 0 on failure

}
// Loads the Multi dll.  Returns 1 on success, else 0 on failure
int LoadMultiDLL(const char *name) {
  static int first = 1;
  char lib_name[_MAX_PATH * 2];
  char dll_name[_MAX_PATH * 2];
  char tmp_dll_name[_MAX_PATH * 2];
  char dll_path_name[_MAX_PATH * 2];
  MultiFlushAllIncomingBuffers();

  // Delete old dlls
  if (MultiDLLHandle.handle)
    FreeMultiDLL();

  ddio_MakePath(dll_path_name, Base_directory, "online", "*.tmp", NULL);
  ddio_DeleteFile(dll_path_name);
  // Make the hog filename
  ddio_MakePath(lib_name, Base_directory, "online", name, NULL);
  strcat(lib_name, ".d3c");
// Make the dll filename
#if defined(WIN32)
  snprintf(dll_name, sizeof(dll_name), "%s.dll", name);
#elif defined(MACOSX)
  snprintf(dll_name, sizeof(dll_name), "%s.dylib", name);
#else
  snprintf(dll_name, sizeof(dll_name), "%s.so", name);
#endif

  // Open the hog file
  if (!cf_OpenLibrary(lib_name)) {
    ddio_MakePath(tmp_dll_name, Base_directory, "online", name, NULL);
    strcat(tmp_dll_name, ".d3c");
    Multi_conn_dll_name[0] = 0;
    goto loaddll;
  }
  // get a temp file name
  if (!ddio_GetTempFileName(Descent3_temp_directory, "d3c", tmp_dll_name)) {
    return 0;
  }
  // Copy the DLL
  //	ddio_MakePath(dll_path_name,Base_directory,"online",tmp_dll_name,NULL);
  if (!cf_CopyFile(tmp_dll_name, dll_name)) {
    mprintf(0, "DLL copy failed!\n");
    return 0;
  }
  strcpy(Multi_conn_dll_name, tmp_dll_name);
loaddll:

  if (!mod_LoadModule(&MultiDLLHandle, tmp_dll_name)) {
    int err = mod_GetLastError();
    mprintf(0, "You are missing the DLL %s!\n", name);
    return 0;
  }

  DLLMultiInit = (DLLMultiInit_fp)mod_GetSymbol(&MultiDLLHandle, "DLLMultiInit", 4);
  if (!DLLMultiInit) {
    int err = mod_GetLastError();
    mprintf(0, "Couldn't get a handle to the dll function DLLMultiInit!\n");
    Int3();
    FreeMultiDLL();