dlls/shlwapi/shlwapi_main.c

   1 /*
   2  * SHLWAPI initialisation
   3  *
   4  *  Copyright 1998 Marcus Meissner
   5  *  Copyright 1998 Juergen Schmied (jsch)
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #define NO_SHLWAPI_REG
  27 #define NO_SHLWAPI_STREAM
  28 #include "shlwapi.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  32
  33 DECLSPEC_HIDDEN HINSTANCE shlwapi_hInstance = 0;
  34
  35 /*************************************************************************
  36  * SHLWAPI {SHLWAPI}
  37  *
  38  * The Shell Light-Weight API dll provides a large number of utility functions
  39  * which are commonly required by Win32 programs. Originally distributed with
  40  * Internet Explorer as a free download, it became a core part of Windows when
  41  * Internet Explorer was 'integrated' into the O/S with the release of Win98.
  42  *
  43  * All functions exported by ordinal are undocumented by MS. The vast majority
  44  * of these are wrappers for Unicode functions that may not exist on early 16
  45  * bit platforms. The remainder perform various small tasks and presumably were
  46  * added to facilitate code reuse amongst the MS developers.
  47  */
  48
  49 /*************************************************************************
  50  * SHLWAPI DllMain
  51  *
  52  * NOTES
  53  *  calling oleinitialize here breaks some apps.
  54  */
  55 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
  56 {
  57         TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
  58         switch (fdwReason)
  59         {
  60           case DLL_PROCESS_ATTACH:
  61             DisableThreadLibraryCalls(hinstDLL);
  62             shlwapi_hInstance = hinstDLL;
  63             break;
  64           case DLL_PROCESS_DETACH:
  65             if (fImpLoad) break;
  66             break;
  67         }
  68         return TRUE;
  69 }
  70
  71 /***********************************************************************
  72  * DllGetVersion [SHLWAPI.@]
  73  *
  74  * Retrieve "shlwapi.dll" version information.
  75  *
  76  * PARAMS
  77  *     pdvi [O] pointer to version information structure.
  78  *
  79  * RETURNS
  80  *     Success: S_OK. pdvi is updated with the version information
  81  *     Failure: E_INVALIDARG, if pdvi->cbSize is not set correctly.
  82  *
  83  * NOTES
  84  *     You may pass either a DLLVERSIONINFO of DLLVERSIONINFO2 structure
  85  *     as pdvi, provided that the size is set correctly.
  86  *     Returns version as shlwapi.dll from IE5.01.
  87  */
  88 HRESULT WINAPI DllGetVersion (DLLVERSIONINFO *pdvi)
  89 {
  90   DLLVERSIONINFO2 *pdvi2 = (DLLVERSIONINFO2*)pdvi;
  91
  92   TRACE("(%p)\n",pdvi);
  93
  94   if (!pdvi)
  95     return E_INVALIDARG;
  96
  97   switch (pdvi2->info1.cbSize)
  98   {
  99   case sizeof(DLLVERSIONINFO2):
 100     pdvi2->dwFlags = 0;
 101     pdvi2->ullVersion = MAKEDLLVERULL(6, 0, 2800, 1612);
 102     /* Fall through */
 103   case sizeof(DLLVERSIONINFO):
 104     pdvi2->info1.dwMajorVersion = 6;
 105     pdvi2->info1.dwMinorVersion = 0;
 106     pdvi2->info1.dwBuildNumber = 2800;
 107     pdvi2->info1.dwPlatformID = DLLVER_PLATFORM_WINDOWS;
 108     return S_OK;
 109  }
 110
 111  WARN("pdvi->cbSize = %d, unhandled\n", pdvi2->info1.cbSize);
 112  return E_INVALIDARG;
 113 }