reactos/lib/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winerror.h"
  27 #include "wine/debug.h"
  28 #define NO_SHLWAPI_REG
  29 #define NO_SHLWAPI_STREAM
  30 #include "shlwapi.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  33
  34 HINSTANCE shlwapi_hInstance = 0;
  35 HMODULE SHLWAPI_hshell32 = 0;
  36 HMODULE SHLWAPI_hwinmm = 0;
  37 HMODULE SHLWAPI_hcomdlg32 = 0;
  38 HMODULE SHLWAPI_hcomctl32 = 0;
  39 HMODULE SHLWAPI_hmpr = 0;
  40 HMODULE SHLWAPI_hmlang = 0;
  41 HMODULE SHLWAPI_hurlmon = 0;
  42 HMODULE SHLWAPI_hversion = 0;
  43
  44 DWORD SHLWAPI_ThreadRef_index = TLS_OUT_OF_INDEXES;
  45
  46 /*************************************************************************
  47  * SHLWAPI {SHLWAPI}
  48  *
  49  * The Shell Light-Weight Api dll provides a large number of utility functions
  50  * which are commonly required by Win32 programs. Originally distributed with
  51  * Internet Explorer as a free download, it became a core part of Windows when
  52  * Internet Explorer was 'integrated' into the O/S with the release of Win98.
  53  *
  54  * All functions exported by ordinal are undocumented by MS. The vast majority
  55  * of these are wrappers for Unicode functions that may not exist on early 16
  56  * bit platforms. The remainder perform various small tasks and presumably were
  57  * added to facilitate code reuse amongst the MS developers.
  58  */
  59
  60 /*************************************************************************
  61  * SHLWAPI DllMain
  62  *
  63  * NOTES
  64  *  calling oleinitialize here breaks sone apps.
  65  */
  66 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
  67 {
  68         TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
  69         switch (fdwReason)
  70         {
  71           case DLL_PROCESS_ATTACH:
  72             DisableThreadLibraryCalls(hinstDLL);
  73             shlwapi_hInstance = hinstDLL;
  74             SHLWAPI_ThreadRef_index = TlsAlloc();
  75             break;
  76           case DLL_PROCESS_DETACH:
  77             if (SHLWAPI_hshell32)  FreeLibrary(SHLWAPI_hshell32);
  78             if (SHLWAPI_hwinmm)    FreeLibrary(SHLWAPI_hwinmm);
  79             if (SHLWAPI_hcomdlg32) FreeLibrary(SHLWAPI_hcomdlg32);
  80             if (SHLWAPI_hcomctl32) FreeLibrary(SHLWAPI_hcomctl32);
  81             if (SHLWAPI_hmpr)      FreeLibrary(SHLWAPI_hmpr);
  82             if (SHLWAPI_hmlang)    FreeLibrary(SHLWAPI_hmlang);
  83             if (SHLWAPI_hurlmon)   FreeLibrary(SHLWAPI_hurlmon);
  84             if (SHLWAPI_hversion)  FreeLibrary(SHLWAPI_hversion);
  85             if (SHLWAPI_ThreadRef_index != TLS_OUT_OF_INDEXES) TlsFree(SHLWAPI_ThreadRef_index);
  86             break;
  87         }
  88         return TRUE;
  89 }
  90
  91 /***********************************************************************
  92  * DllGetVersion [SHLWAPI.@]
  93  *
  94  * Retrieve "shlwapi.dll" version information.
  95  *
  96  * PARAMS
  97  *     pdvi [O] pointer to version information structure.
  98  *
  99  * RETURNS
 100  *     Success: S_OK. pdvi is updated with the version information
 101  *     Failure: E_INVALIDARG, if pdvi->cbSize is not set correctly.
 102  *
 103  * NOTES
 104  *     You may pass either a DLLVERSIONINFO of DLLVERSIONINFO2 structure
 105  *     as pdvi, provided that the size is set correctly.
 106  *     Returns version as shlwapi.dll from IE5.01.
 107  */
 108 HRESULT WINAPI SHLWAPI_DllGetVersion (DLLVERSIONINFO *pdvi)
 109 {
 110   DLLVERSIONINFO2 *pdvi2 = (DLLVERSIONINFO2*)pdvi;
 111
 112   TRACE("(%p)\n",pdvi);
 113
 114   switch (pdvi2->info1.cbSize)
 115   {
 116   case sizeof(DLLVERSIONINFO2):
 117     pdvi2->dwFlags = 0;
 118     pdvi2->ullVersion = MAKEDLLVERULL(5, 0, 2314, 0);
 119     /* Fall through */
 120   case sizeof(DLLVERSIONINFO):
 121     pdvi2->info1.dwMajorVersion = 5;
 122     pdvi2->info1.dwMinorVersion = 0;
 123     pdvi2->info1.dwBuildNumber = 2314;
 124     pdvi2->info1.dwPlatformID = 1000;
 125     return S_OK;
 126  }
 127  if (pdvi)
 128    WARN("pdvi->cbSize = %ld, unhandled\n", pdvi2->info1.cbSize);
 129  return E_INVALIDARG;
 130 }