rostests/apitests/gdi32api/gdi32api.c

   1 #include "gdi32api.h"
   2
   3 HINSTANCE g_hInstance;
   4 PGDI_TABLE_ENTRY GdiHandleTable;
   5
   6 BOOL
   7 IsFunctionPresent(LPWSTR lpszFunction)
   8 {
   9         return TRUE;
  10 }
  11
  12 static
  13 PGDI_TABLE_ENTRY
  14 MyGdiQueryTable()
  15 {
  16         PTEB pTeb = NtCurrentTeb();
  17         PPEB pPeb = pTeb->ProcessEnvironmentBlock;
  18         return pPeb->GdiSharedHandleTable;
  19 }
  20
  21 BOOL
  22 IsHandleValid(HGDIOBJ hobj)
  23 {
  24     USHORT Index = (ULONG_PTR)hobj;
  25     PGDI_TABLE_ENTRY pentry = &GdiHandleTable[Index];
  26
  27     if (pentry->KernelData == NULL ||
  28         pentry->KernelData < (PVOID)0x80000000 ||
  29         (USHORT)pentry->FullUnique != (USHORT)((ULONG_PTR)hobj >> 16))
  30     {
  31         return FALSE;
  32     }
  33
  34     return TRUE;
  35 }
  36
  37 int APIENTRY
  38 WinMain(HINSTANCE hInstance,
  39         HINSTANCE hPrevInstance,
  40         LPSTR     lpCmdLine,
  41         int       nCmdShow)
  42 {
  43         g_hInstance = hInstance;
  44
  45         GdiHandleTable = MyGdiQueryTable();
  46         if(!GdiHandleTable)
  47         {
  48                 return -1;
  49         }
  50
  51         return TestMain(L"gdi32api", L"gdi32.dll");
  52 }