dlls/commdlg/generic.c

   1 /*
   2  * COMMDLG/COMDLG32 functions
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  * Copyright 1996 Albrecht Kleine
   6  * Copyright 1998,1999 Bertho Stultiens
   7  * Copyright 1999 Klaas van Gend
   8  */
   9
  10 #include "winbase.h"
  11 #include "commdlg.h"
  12 #include "debugtools.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(commdlg);
  15
  16 #include "cdlg.h"
  17
  18 HINSTANCE16     COMMDLG_hInstance = 0;
  19 HINSTANCE       COMMDLG_hInstance32 = 0;
  20 static int      COMMDLG_Attach = 0;
  21
  22 /***********************************************************************
  23  *      DllEntryPoint                   [COMMDLG.32]
  24  *
  25  *    Initialization code for the COMMDLG DLL
  26  *
  27  * RETURNS:
  28  */
  29 BOOL WINAPI COMMDLG_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst, WORD ds, WORD HeapSize, DWORD res1, WORD res2)
  30 {
  31         TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n", Reason, hInst, ds, HeapSize, res1, res2);
  32         switch(Reason)
  33         {
  34         case DLL_PROCESS_ATTACH:
  35                 if (COMMDLG_Attach++) break;
  36                 COMMDLG_hInstance = hInst;
  37                 if(!COMMDLG_hInstance32)
  38                 {
  39                         if(!(COMMDLG_hInstance32 = LoadLibraryA("comdlg32.dll")))
  40                         {
  41                                 ERR("Could not load sibling comdlg32.dll\n");
  42                                 return FALSE;
  43                         }
  44                 }
  45                 break;
  46
  47         case DLL_PROCESS_DETACH:
  48                 if(!--COMMDLG_Attach)
  49                 {
  50                         COMMDLG_hInstance = 0;
  51                         if(COMMDLG_hInstance32)
  52                                 FreeLibrary(COMMDLG_hInstance32);
  53                 }
  54                 break;
  55         }
  56         return TRUE;
  57 }
  58
  59
  60 /***********************************************************************
  61  *      CommDlgExtendedError16                  [COMMDLG.26]
  62  *
  63  * Get the last error value if a commdlg function fails.
  64  *      RETURNS
  65  *              Current error value which might not be valid
  66  *              if a previous call succeeded.
  67  */
  68 DWORD WINAPI CommDlgExtendedError16(void)
  69 {
  70         return CommDlgExtendedError();
  71 }