reactos/dll/win32/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 #define WIN32_NO_STATUS
  23 #define _INC_WINDOWS
  24 #define COM_NO_WINDOWS_H
  25
  26 #include <stdarg.h>
  27
  28 #include <windef.h>
  29 #include <winbase.h>
  30 #define NO_SHLWAPI_REG
  31 #define NO_SHLWAPI_STREAM
  32 #include <shlwapi.h>
  33 #include <wine/debug.h>
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  36
  37 DECLSPEC_HIDDEN HINSTANCE shlwapi_hInstance = 0;
  38 DECLSPEC_HIDDEN DWORD SHLWAPI_ThreadRef_index = TLS_OUT_OF_INDEXES;
  39
  40 /*************************************************************************
  41  * SHLWAPI {SHLWAPI}
  42  *
  43  * The Shell Light-Weight API dll provides a large number of utility functions
  44  * which are commonly required by Win32 programs. Originally distributed with
  45  * Internet Explorer as a free download, it became a core part of Windows when
  46  * Internet Explorer was 'integrated' into the O/S with the release of Win98.
  47  *
  48  * All functions exported by ordinal are undocumented by MS. The vast majority
  49  * of these are wrappers for Unicode functions that may not exist on early 16
  50  * bit platforms. The remainder perform various small tasks and presumably were
  51  * added to facilitate code reuse amongst the MS developers.
  52  */
  53
  54 /*************************************************************************
  55  * SHLWAPI DllMain
  56  *
  57  * NOTES
  58  *  calling oleinitialize here breaks some apps.
  59  */
  60 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
  61 {
  62         TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
  63         switch (fdwReason)
  64         {
  65           case DLL_PROCESS_ATTACH:
  66             DisableThreadLibraryCalls(hinstDLL);
  67             shlwapi_hInstance = hinstDLL;
  68             SHLWAPI_ThreadRef_index = TlsAlloc();
  69             break;
  70           case DLL_PROCESS_DETACH:
  71             if (SHLWAPI_ThreadRef_index != TLS_OUT_OF_INDEXES) TlsFree(SHLWAPI_ThreadRef_index);
  72             break;
  73         }
  74         return TRUE;
  75 }
  76
  77 /***********************************************************************
  78  * DllGetVersion [SHLWAPI.@]
  79  *
  80  * Retrieve "shlwapi.dll" version information.
  81  *
  82  * PARAMS
  83  *     pdvi [O] pointer to version information structure.
  84  *
  85  * RETURNS
  86  *     Success: S_OK. pdvi is updated with the version information
  87  *     Failure: E_INVALIDARG, if pdvi->cbSize is not set correctly.
  88  *
  89  * NOTES
  90  *     You may pass either a DLLVERSIONINFO of DLLVERSIONINFO2 structure
  91  *     as pdvi, provided that the size is set correctly.
  92  *     Returns version as shlwapi.dll from IE5.01.
  93  */
  94 HRESULT WINAPI DllGetVersion (DLLVERSIONINFO *pdvi)
  95 {
  96   DLLVERSIONINFO2 *pdvi2 = (DLLVERSIONINFO2*)pdvi;
  97
  98   TRACE("(%p)\n",pdvi);
  99
 100   switch (pdvi2->info1.cbSize)
 101   {
 102   case sizeof(DLLVERSIONINFO2):
 103     pdvi2->dwFlags = 0;
 104     pdvi2->ullVersion = MAKEDLLVERULL(6, 0, 2800, 1612);
 105     /* Fall through */
 106   case sizeof(DLLVERSIONINFO):
 107     pdvi2->info1.dwMajorVersion = 6;
 108     pdvi2->info1.dwMinorVersion = 0;
 109     pdvi2->info1.dwBuildNumber = 2800;
 110     pdvi2->info1.dwPlatformID = DLLVER_PLATFORM_WINDOWS;
 111     return S_OK;
 112  }
 113  if (pdvi)
 114    WARN("pdvi->cbSize = %d, unhandled\n", pdvi2->info1.cbSize);
 115  return E_INVALIDARG;
 116 }