rostests/apitests/winprint/main.c

   1 /*
   2  * PROJECT:     ReactOS Standard Print Processor API Tests
   3  * LICENSE:     GNU GPLv2 or any later version as published by the Free Software Foundation
   4  * PURPOSE:     Main functions
   5  * COPYRIGHT:   Copyright 2016 Colin Finck <colin@reactos.org>
   6  */
   7
   8 #include <apitest.h>
   9
  10 #define WIN32_NO_STATUS
  11 #include <windef.h>
  12 #include <winbase.h>
  13 #include <wingdi.h>
  14 #include <winspool.h>
  15
  16 PVOID
  17 GetWinprintFunc(const char* FunctionName)
  18 {
  19     DWORD cbNeeded;
  20     HMODULE hWinprint;
  21     PVOID pFunc;
  22     WCHAR wszWinprintPath[MAX_PATH];
  23
  24     // Build the path to the default Print Processor winprint.dll in the Print Processor directory.
  25     if (!GetPrintProcessorDirectoryW(NULL, NULL, 1, (LPBYTE)wszWinprintPath, sizeof(wszWinprintPath), &cbNeeded))
  26     {
  27         skip("Could not determine the path to the Print Processor directory, last error is %lu!\n", GetLastError());
  28         return NULL;
  29     }
  30
  31     wcscat(wszWinprintPath, L"\\winprint.dll");
  32
  33     // Try loading it.
  34     hWinprint = LoadLibraryW(wszWinprintPath);
  35     if (!hWinprint)
  36     {
  37         if (GetLastError() != ERROR_MOD_NOT_FOUND)
  38         {
  39             skip("LoadLibraryW failed for %S with error %lu!\n", wszWinprintPath, GetLastError());
  40             return NULL;
  41         }
  42
  43         // winprint.dll does not exist prior to NT6.
  44         // The default Print Processor is implemented in localspl.dll instead.
  45         hWinprint = LoadLibraryW(L"localspl.dll");
  46         if (!hWinprint)
  47         {
  48             skip("LoadLibraryW failed for localspl.dll with error %lu!\n", GetLastError());
  49             return NULL;
  50         }
  51     }
  52
  53     // Get the function we are looking for.
  54     pFunc = GetProcAddress(hWinprint, FunctionName);
  55     if (!pFunc)
  56     {
  57         skip("GetProcAddress failed for %s with error %lu!\n", FunctionName, GetLastError());
  58         return NULL;
  59     }
  60
  61     return pFunc;
  62 }