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/*
 * SHLWAPI ordinal functions
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 *
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 * Copyright 1997 Marcus Meissner
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 *           1998 Jürgen Schmied
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 *           2001-2003 Jon Griffiths
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 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 */

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#include "config.h"
#include "wine/port.h"

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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#define COBJMACROS
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#define NONAMELESSUNION
#define NONAMELESSSTRUCT
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#include "windef.h"
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#include "winbase.h"
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#include "winnls.h"
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#include "winreg.h"
#include "wingdi.h"
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#include "winuser.h"
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#include "winver.h"
#include "winnetwk.h"
#include "mmsystem.h"
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#include "objbase.h"
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#include "exdisp.h"
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#include "shlobj.h"
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#include "shlwapi.h"
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#include "shellapi.h"
#include "commdlg.h"
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#include "mshtmhst.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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/* DLL handles for late bound calls */
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extern HINSTANCE shlwapi_hInstance;
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extern DWORD SHLWAPI_ThreadRef_index;
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HRESULT WINAPI IUnknown_QueryService(IUnknown*,REFGUID,REFIID,LPVOID*);
HRESULT WINAPI SHInvokeCommand(HWND,IShellFolder*,LPCITEMIDLIST,BOOL);
BOOL    WINAPI SHAboutInfoW(LPWSTR,DWORD);
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/*
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 NOTES: Most functions exported by ordinal seem to be superfluous.
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 The reason for these functions to be there is to provide a wrapper
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 for unicode functions to provide these functions on systems without
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 unicode functions eg. win95/win98. Since we have such functions we just
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 call these. If running Wine with native DLLs, some late bound calls may
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 fail. However, it is better to implement the functions in the forward DLL
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 and recommend the builtin rather than reimplementing the calls here!
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*/

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/*************************************************************************
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 * SHLWAPI_DupSharedHandle
 *
 * Internal implemetation of SHLWAPI_11.
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 */
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static HANDLE SHLWAPI_DupSharedHandle(HANDLE hShared, DWORD dwDstProcId,
                                      DWORD dwSrcProcId, DWORD dwAccess,
                                      DWORD dwOptions)
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{
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  HANDLE hDst, hSrc;
  DWORD dwMyProcId = GetCurrentProcessId();
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  HANDLE hRet = NULL;
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  TRACE("(%p,%d,%d,%08x,%08x)\n", hShared, dwDstProcId, dwSrcProcId,
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        dwAccess, dwOptions);

  /* Get dest process handle */
  if (dwDstProcId == dwMyProcId)
    hDst = GetCurrentProcess();
  else
    hDst = OpenProcess(PROCESS_DUP_HANDLE, 0, dwDstProcId);

  if (hDst)
  {
    /* Get src process handle */
    if (dwSrcProcId == dwMyProcId)
      hSrc = GetCurrentProcess();
    else
      hSrc = OpenProcess(PROCESS_DUP_HANDLE, 0, dwSrcProcId);

    if (hSrc)
    {
      /* Make handle available to dest process */
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      if (!DuplicateHandle(hDst, hShared, hSrc, &hRet,
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                           dwAccess, 0, dwOptions | DUPLICATE_SAME_ACCESS))
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        hRet = NULL;
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      if (dwSrcProcId != dwMyProcId)
        CloseHandle(hSrc);
    }

    if (dwDstProcId != dwMyProcId)
      CloseHandle(hDst);
  }

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  TRACE("Returning handle %p\n", hRet);
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  return hRet;
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}

/*************************************************************************
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 * @  [SHLWAPI.7]
 *
 * Create a block of sharable memory and initialise it with data.
 *
 * PARAMS
 * lpvData  [I] Pointer to data to write
 * dwSize   [I] Size of data
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 * dwProcId [I] ID of process owning data
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 *
 * RETURNS
 * Success: A shared memory handle
 * Failure: NULL
 *
 * NOTES
 * Ordinals 7-11 provide a set of calls to create shared memory between a
 * group of processes. The shared memory is treated opaquely in that its size
 * is not exposed to clients who map it. This is accomplished by storing
 * the size of the map as the first DWORD of mapped data, and then offsetting
 * the view pointer returned by this size.
 *
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 */
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HANDLE WINAPI SHAllocShared(LPCVOID lpvData, DWORD dwSize, DWORD dwProcId)
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{
  HANDLE hMap;
  LPVOID pMapped;
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  HANDLE hRet = NULL;
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  TRACE("(%p,%d,%d)\n", lpvData, dwSize, dwProcId);
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  /* Create file mapping of the correct length */
  hMap = CreateFileMappingA(INVALID_HANDLE_VALUE, NULL, FILE_MAP_READ, 0,
                            dwSize + sizeof(dwSize), NULL);
  if (!hMap)
    return hRet;

  /* Get a view in our process address space */
  pMapped = MapViewOfFile(hMap, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, 0);

  if (pMapped)
  {
    /* Write size of data, followed by the data, to the view */
    *((DWORD*)pMapped) = dwSize;
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    if (lpvData)
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      memcpy((char *) pMapped + sizeof(dwSize), lpvData, dwSize);
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    /* Release view. All further views mapped will be opaque */
    UnmapViewOfFile(pMapped);
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    hRet = SHLWAPI_DupSharedHandle(hMap, dwProcId,
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                                   GetCurrentProcessId(), FILE_MAP_ALL_ACCESS,
                                   DUPLICATE_SAME_ACCESS);
  }

  CloseHandle(hMap);
  return hRet;
}

/*************************************************************************
 * @ [SHLWAPI.8]
 *
 * Get a pointer to a block of shared memory from a shared memory handle.
 *
 * PARAMS
 * hShared  [I] Shared memory handle
 * dwProcId [I] ID of process owning hShared
 *
 * RETURNS
 * Success: A pointer to the shared memory
 * Failure: NULL
 *
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 */
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PVOID WINAPI SHLockShared(HANDLE hShared, DWORD dwProcId)
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{
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  HANDLE hDup;
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  LPVOID pMapped;

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  TRACE("(%p %d)\n", hShared, dwProcId);
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  /* Get handle to shared memory for current process */
  hDup = SHLWAPI_DupSharedHandle(hShared, dwProcId, GetCurrentProcessId(),
                                 FILE_MAP_ALL_ACCESS, 0);
  /* Get View */
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  pMapped = MapViewOfFile(hDup, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, 0);
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  CloseHandle(hDup);

  if (pMapped)
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    return (char *) pMapped + sizeof(DWORD); /* Hide size */
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  return NULL;
}

/*************************************************************************
 * @ [SHLWAPI.9]
 *
 * Release a pointer to a block of shared memory.
 *
 * PARAMS
 * lpView [I] Shared memory pointer
 *
 * RETURNS
 * Success: TRUE
 * Failure: FALSE
 *
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 */
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BOOL WINAPI SHUnlockShared(LPVOID lpView)
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{
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  TRACE("(%p)\n", lpView);
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  return UnmapViewOfFile((char *) lpView - sizeof(DWORD)); /* Include size */
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}

/*************************************************************************
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 * @ [SHLWAPI.10]
 *
 * Destroy a block of sharable memory.
 *
 * PARAMS
 * hShared  [I] Shared memory handle
 * dwProcId [I] ID of process owning hShared
 *
 * RETURNS
 * Success: TRUE
 * Failure: FALSE
 *
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 */
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BOOL WINAPI SHFreeShared(HANDLE hShared, DWORD dwProcId)
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{
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  HANDLE hClose;
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  TRACE("(%p %d)\n", hShared, dwProcId);
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  /* Get a copy of the handle for our process, closing the source handle */
  hClose = SHLWAPI_DupSharedHandle(hShared, dwProcId, GetCurrentProcessId(),
                                   FILE_MAP_ALL_ACCESS,DUPLICATE_CLOSE_SOURCE);
  /* Close local copy */
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  return CloseHandle(hClose);
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}

/*************************************************************************
 * @   [SHLWAPI.11]
 *
 * Copy a sharable memory handle from one process to another.
 *
 * PARAMS
 * hShared     [I] Shared memory handle to duplicate
 * dwDstProcId [I] ID of the process wanting the duplicated handle
 * dwSrcProcId [I] ID of the process owning hShared
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 * dwAccess    [I] Desired DuplicateHandle() access
 * dwOptions   [I] Desired DuplicateHandle() options
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 *
 * RETURNS
 * Success: A handle suitable for use by the dwDstProcId process.
 * Failure: A NULL handle.
 *
 */
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HANDLE WINAPI SHMapHandle(HANDLE hShared, DWORD dwDstProcId, DWORD dwSrcProcId,
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                          DWORD dwAccess, DWORD dwOptions)
{
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  HANDLE hRet;
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  hRet = SHLWAPI_DupSharedHandle(hShared, dwDstProcId, dwSrcProcId,
                                 dwAccess, dwOptions);
  return hRet;
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}

/*************************************************************************
 *      @	[SHLWAPI.13]
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 *
 * Create and register a clipboard enumerator for a web browser.
 *
 * PARAMS
 *  lpBC      [I] Binding context
 *  lpUnknown [I] An object exposing the IWebBrowserApp interface
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: An HRESULT error code.
 *
 * NOTES
 *  The enumerator is stored as a property of the web browser. If it does not
 *  yet exist, it is created and set before being registered.
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 */
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HRESULT WINAPI RegisterDefaultAcceptHeaders(LPBC lpBC, IUnknown *lpUnknown)
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{
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  static const WCHAR szProperty[] = { '{','D','0','F','C','A','4','2','0',
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      '-','D','3','F','5','-','1','1','C','F', '-','B','2','1','1','-','0',
      '0','A','A','0','0','4','A','E','8','3','7','}','\0' };
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  BSTR property;
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  IEnumFORMATETC* pIEnumFormatEtc = NULL;
  VARIANTARG var;
  HRESULT hRet;
  IWebBrowserApp* pBrowser = NULL;
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  TRACE("(%p, %p)\n", lpBC, lpUnknown);

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  /* Get An IWebBrowserApp interface from  lpUnknown */
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  hRet = IUnknown_QueryService(lpUnknown, &IID_IWebBrowserApp, &IID_IWebBrowserApp, (PVOID)&pBrowser);
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  if (FAILED(hRet) || !pBrowser)
    return E_NOINTERFACE;

  V_VT(&var) = VT_EMPTY;

  /* The property we get is the browsers clipboard enumerator */
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  property = SysAllocString(szProperty);
  hRet = IWebBrowserApp_GetProperty(pBrowser, property, &var);
  SysFreeString(property);
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  if (FAILED(hRet))
    return hRet;

  if (V_VT(&var) == VT_EMPTY)
  {
    /* Iterate through accepted documents and RegisterClipBoardFormatA() them */
    char szKeyBuff[128], szValueBuff[128];
    DWORD dwKeySize, dwValueSize, dwRet = 0, dwCount = 0, dwNumValues, dwType;
    FORMATETC* formatList, *format;
    HKEY hDocs;

    TRACE("Registering formats and creating IEnumFORMATETC instance\n");

    if (!RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\Current"
                     "Version\\Internet Settings\\Accepted Documents", &hDocs))
      return E_FAIL;

    /* Get count of values in key */
    while (!dwRet)
    {
      dwKeySize = sizeof(szKeyBuff);
      dwRet = RegEnumValueA(hDocs,dwCount,szKeyBuff,&dwKeySize,0,&dwType,0,0);
      dwCount++;
    }

    dwNumValues = dwCount;

    /* Note: dwCount = number of items + 1; The extra item is the end node */
    format = formatList = HeapAlloc(GetProcessHeap(), 0, dwCount * sizeof(FORMATETC));
    if (!formatList)
      return E_OUTOFMEMORY;

    if (dwNumValues > 1)
    {
      dwRet = 0;
      dwCount = 0;

      dwNumValues--;

      /* Register clipboard formats for the values and populate format list */
      while(!dwRet && dwCount < dwNumValues)
      {
        dwKeySize = sizeof(szKeyBuff);
        dwValueSize = sizeof(szValueBuff);
        dwRet = RegEnumValueA(hDocs, dwCount, szKeyBuff, &dwKeySize, 0, &dwType,
                              (PBYTE)szValueBuff, &dwValueSize);
        if (!dwRet)
          return E_FAIL;

        format->cfFormat = RegisterClipboardFormatA(szValueBuff);
        format->ptd = NULL;
        format->dwAspect = 1;
        format->lindex = 4;
        format->tymed = -1;

        format++;
        dwCount++;
      }
    }

    /* Terminate the (maybe empty) list, last entry has a cfFormat of 0 */
    format->cfFormat = 0;
    format->ptd = NULL;
    format->dwAspect = 1;
    format->lindex = 4;
    format->tymed = -1;

    /* Create a clipboard enumerator */
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    hRet = CreateFormatEnumerator(dwNumValues, formatList, &pIEnumFormatEtc);
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    if (FAILED(hRet) || !pIEnumFormatEtc)
      return hRet;

    /* Set our enumerator as the browsers property */
    V_VT(&var) = VT_UNKNOWN;
    V_UNKNOWN(&var) = (IUnknown*)pIEnumFormatEtc;

    hRet = IWebBrowserApp_PutProperty(pBrowser, (BSTR)szProperty, var);
    if (FAILED(hRet))
    {
       IEnumFORMATETC_Release(pIEnumFormatEtc);
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       goto RegisterDefaultAcceptHeaders_Exit;
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    }
  }

  if (V_VT(&var) == VT_UNKNOWN)
  {
    /* Our variant is holding the clipboard enumerator */
    IUnknown* pIUnknown = V_UNKNOWN(&var);
    IEnumFORMATETC* pClone = NULL;

    TRACE("Retrieved IEnumFORMATETC property\n");

    /* Get an IEnumFormatEtc interface from the variants value */
    pIEnumFormatEtc = NULL;
    hRet = IUnknown_QueryInterface(pIUnknown, &IID_IEnumFORMATETC,
                                   (PVOID)&pIEnumFormatEtc);
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    if (hRet == S_OK && pIEnumFormatEtc)
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    {
      /* Clone and register the enumerator */
      hRet = IEnumFORMATETC_Clone(pIEnumFormatEtc, &pClone);
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      if (hRet == S_OK && pClone)
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      {
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        RegisterFormatEnumerator(lpBC, pClone, 0);
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        IEnumFORMATETC_Release(pClone);
      }

      /* Release the IEnumFormatEtc interface */
      IEnumFORMATETC_Release(pIUnknown);
    }
    IUnknown_Release(V_UNKNOWN(&var));
  }

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RegisterDefaultAcceptHeaders_Exit:
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  IWebBrowserApp_Release(pBrowser);
  return hRet;
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}

/*************************************************************************
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 *      @	[SHLWAPI.15]
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 *
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 * Get Explorers "AcceptLanguage" setting.
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 *
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 * PARAMS
 *  langbuf [O] Destination for language string
 *  buflen  [I] Length of langbuf
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 *          [0] Success: used length of langbuf
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 *
 * RETURNS
 *  Success: S_OK.   langbuf is set to the language string found.
 *  Failure: E_FAIL, If any arguments are invalid, error occurred, or Explorer
 *           does not contain the setting.
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 *           E_INVALIDARG, If the buffer is not big enough
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 */
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HRESULT WINAPI GetAcceptLanguagesW( LPWSTR langbuf, LPDWORD buflen)
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{
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    static const WCHAR szkeyW[] = {
	'S','o','f','t','w','a','r','e','\\',
	'M','i','c','r','o','s','o','f','t','\\',
	'I','n','t','e','r','n','e','t',' ','E','x','p','l','o','r','e','r','\\',
	'I','n','t','e','r','n','a','t','i','o','n','a','l',0};
    static const WCHAR valueW[] = {
	'A','c','c','e','p','t','L','a','n','g','u','a','g','e',0};
    static const WCHAR enusW[] = {'e','n','-','u','s',0};
    DWORD mystrlen, mytype;
    HKEY mykey;
    HRESULT retval;
    LCID mylcid;
    WCHAR *mystr;

    if(!langbuf || !buflen || !*buflen)
	return E_FAIL;

    mystrlen = (*buflen > 20) ? *buflen : 20 ;
    mystr = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * mystrlen);
    RegOpenKeyW(HKEY_CURRENT_USER, szkeyW, &mykey);
    if(RegQueryValueExW(mykey, valueW, 0, &mytype, (PBYTE)mystr, &mystrlen)) {
        /* Did not find value */
        mylcid = GetUserDefaultLCID();
        /* somehow the mylcid translates into "en-us"
         *  this is similar to "LOCALE_SABBREVLANGNAME"
         *  which could be gotten via GetLocaleInfo.
         *  The only problem is LOCALE_SABBREVLANGUAGE" is
         *  a 3 char string (first 2 are country code and third is
         *  letter for "sublanguage", which does not come close to
         *  "en-us"
         */
        lstrcpyW(mystr, enusW);
        mystrlen = lstrlenW(mystr);
    } else {
        /* handle returned string */
        FIXME("missing code\n");
    }
    memcpy( langbuf, mystr, min(*buflen,strlenW(mystr)+1)*sizeof(WCHAR) );

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    if(*buflen > strlenW(mystr)) {
	*buflen = strlenW(mystr);
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	retval = S_OK;
    } else {
	*buflen = 0;
	retval = E_INVALIDARG;
	SetLastError(ERROR_INSUFFICIENT_BUFFER);
    }
    RegCloseKey(mykey);
    HeapFree(GetProcessHeap(), 0, mystr);
    return retval;
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}

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/*************************************************************************
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 *      @	[SHLWAPI.14]
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 *
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 * Ascii version of GetAcceptLanguagesW.
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 */
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HRESULT WINAPI GetAcceptLanguagesA( LPSTR langbuf, LPDWORD buflen)
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{
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    WCHAR *langbufW;
    DWORD buflenW, convlen;
    HRESULT retval;

    if(!langbuf || !buflen || !*buflen) return E_FAIL;

    buflenW = *buflen;
    langbufW = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * buflenW);
    retval = GetAcceptLanguagesW(langbufW, &buflenW);

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    if (retval == S_OK)
    {
        convlen = WideCharToMultiByte(CP_ACP, 0, langbufW, -1, langbuf, *buflen, NULL, NULL);
    }
    else  /* copy partial string anyway */
    {
        convlen = WideCharToMultiByte(CP_ACP, 0, langbufW, *buflen, langbuf, *buflen, NULL, NULL);
        if (convlen < *buflen) langbuf[convlen] = 0;
    }
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    *buflen = buflenW ? convlen : 0;

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    HeapFree(GetProcessHeap(), 0, langbufW);
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    return retval;
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}

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/*************************************************************************
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 *      @	[SHLWAPI.23]
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 *
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 * Convert a GUID to a string.
 *
 * PARAMS
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 *  guid     [I] GUID to convert
 *  lpszDest [O] Destination for string
 *  cchMax   [I] Length of output buffer
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 *
 * RETURNS
 *  The length of the string created.
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 */
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INT WINAPI SHStringFromGUIDA(REFGUID guid, LPSTR lpszDest, INT cchMax)
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{
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  char xguid[40];
  INT iLen;

  TRACE("(%s,%p,%d)\n", debugstr_guid(guid), lpszDest, cchMax);

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  sprintf(xguid, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
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          guid->Data1, guid->Data2, guid->Data3,
          guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
          guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);

  iLen = strlen(xguid) + 1;
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  if (iLen > cchMax)
    return 0;
  memcpy(lpszDest, xguid, iLen);
  return iLen;
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}

/*************************************************************************
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 *      @	[SHLWAPI.24]
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 *
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 * Convert a GUID to a string.
 *
 * PARAMS
 *  guid [I] GUID to convert
 *  str  [O] Destination for string
 *  cmax [I] Length of output buffer
 *
 * RETURNS
 *  The length of the string created.
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 */
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INT WINAPI SHStringFromGUIDW(REFGUID guid, LPWSTR lpszDest, INT cchMax)
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{
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  WCHAR xguid[40];
  INT iLen;
  static const WCHAR wszFormat[] = {'{','%','0','8','l','X','-','%','0','4','X','-','%','0','4','X','-',
      '%','0','2','X','%','0','2','X','-','%','0','2','X','%','0','2','X','%','0','2','X','%','0','2',
      'X','%','0','2','X','%','0','2','X','}',0};

  TRACE("(%s,%p,%d)\n", debugstr_guid(guid), lpszDest, cchMax);
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  sprintfW(xguid, wszFormat, guid->Data1, guid->Data2, guid->Data3,
          guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
          guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);

  iLen = strlenW(xguid) + 1;

  if (iLen > cchMax)
    return 0;
  memcpy(lpszDest, xguid, iLen*sizeof(WCHAR));
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  return iLen;
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}
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/*************************************************************************
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 *      @	[SHLWAPI.29]
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 *
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 * Determine if a Unicode character is a space.
 *
 * PARAMS
 *  wc [I] Character to check.
 *
 * RETURNS
 *  TRUE, if wc is a space,
 *  FALSE otherwise.
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 */
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BOOL WINAPI IsCharSpaceW(WCHAR wc)
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{
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    WORD CharType;

    return GetStringTypeW(CT_CTYPE1, &wc, 1, &CharType) && (CharType & C1_SPACE);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.30]
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 *
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 * Determine if a Unicode character is a blank.
 *
 * PARAMS
 *  wc [I] Character to check.
 *
 * RETURNS
 *  TRUE, if wc is a blank,
 *  FALSE otherwise.
 *
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 */
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BOOL WINAPI IsCharBlankW(WCHAR wc)
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{
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    WORD CharType;

    return GetStringTypeW(CT_CTYPE1, &wc, 1, &CharType) && (CharType & C1_BLANK);
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}

/*************************************************************************
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 *      @	[SHLWAPI.31]
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 *
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 * Determine if a Unicode character is punctuation.
 *
 * PARAMS
 *  wc [I] Character to check.
 *
 * RETURNS
 *  TRUE, if wc is punctuation,
 *  FALSE otherwise.
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 */
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BOOL WINAPI IsCharPunctW(WCHAR wc)
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{
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    WORD CharType;

    return GetStringTypeW(CT_CTYPE1, &wc, 1, &CharType) && (CharType & C1_PUNCT);
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}
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/*************************************************************************
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 *      @	[SHLWAPI.32]
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 *
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 * Determine if a Unicode character is a control character.
 *
 * PARAMS
 *  wc [I] Character to check.
 *
 * RETURNS
 *  TRUE, if wc is a control character,
 *  FALSE otherwise.
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 */
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BOOL WINAPI IsCharCntrlW(WCHAR wc)
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{
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    WORD CharType;

    return GetStringTypeW(CT_CTYPE1, &wc, 1, &CharType) && (CharType & C1_CNTRL);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.33]
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 *
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 * Determine if a Unicode character is a digit.
 *
 * PARAMS
 *  wc [I] Character to check.
 *
 * RETURNS
 *  TRUE, if wc is a digit,
 *  FALSE otherwise.
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 */
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BOOL WINAPI IsCharDigitW(WCHAR wc)
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{
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    WORD CharType;

    return GetStringTypeW(CT_CTYPE1, &wc, 1, &CharType) && (CharType & C1_DIGIT);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.34]
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 *
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 * Determine if a Unicode character is a hex digit.
 *
 * PARAMS
 *  wc [I] Character to check.
 *
 * RETURNS
 *  TRUE, if wc is a hex digit,
 *  FALSE otherwise.
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 */
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BOOL WINAPI IsCharXDigitW(WCHAR wc)
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{
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    WORD CharType;

    return GetStringTypeW(CT_CTYPE1, &wc, 1, &CharType) && (CharType & C1_XDIGIT);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.35]
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 *
 */
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BOOL WINAPI GetStringType3ExW(LPWSTR src, INT count, LPWORD type)
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{
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    return GetStringTypeW(CT_CTYPE3, src, count, type);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.151]
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 *
 * Compare two Ascii strings up to a given length.
 *
 * PARAMS
 *  lpszSrc [I] Source string
 *  lpszCmp [I] String to compare to lpszSrc
 *  len     [I] Maximum length
 *
 * RETURNS
 *  A number greater than, less than or equal to 0 depending on whether
 *  lpszSrc is greater than, less than or equal to lpszCmp.
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 */
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DWORD WINAPI StrCmpNCA(LPCSTR lpszSrc, LPCSTR lpszCmp, INT len)
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{
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    return StrCmpNA(lpszSrc, lpszCmp, len);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.152]
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 *
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 * Unicode version of StrCmpNCA.
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 */
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DWORD WINAPI StrCmpNCW(LPCWSTR lpszSrc, LPCWSTR lpszCmp, INT len)
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{
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    return StrCmpNW(lpszSrc, lpszCmp, len);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.153]
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 *
 * Compare two Ascii strings up to a given length, ignoring case.
 *
 * PARAMS
 *  lpszSrc [I] Source string
 *  lpszCmp [I] String to compare to lpszSrc
 *  len     [I] Maximum length
 *
 * RETURNS
 *  A number greater than, less than or equal to 0 depending on whether
 *  lpszSrc is greater than, less than or equal to lpszCmp.
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 */
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DWORD WINAPI StrCmpNICA(LPCSTR lpszSrc, LPCSTR lpszCmp, DWORD len)
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{
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    return StrCmpNIA(lpszSrc, lpszCmp, len);
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}

/*************************************************************************
 *      @	[SHLWAPI.154]
 *
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 * Unicode version of StrCmpNICA.
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 */
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DWORD WINAPI StrCmpNICW(LPCWSTR lpszSrc, LPCWSTR lpszCmp, DWORD len)
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{
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    return StrCmpNIW(lpszSrc, lpszCmp, len);
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}

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/*************************************************************************
 *      @	[SHLWAPI.155]
 *
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 * Compare two Ascii strings.
 *
 * PARAMS
 *  lpszSrc [I] Source string
 *  lpszCmp [I] String to compare to lpszSrc
 *
 * RETURNS
 *  A number greater than, less than or equal to 0 depending on whether
 *  lpszSrc is greater than, less than or equal to lpszCmp.
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 */
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DWORD WINAPI StrCmpCA(LPCSTR lpszSrc, LPCSTR lpszCmp)
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{
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    return lstrcmpA(lpszSrc, lpszCmp);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.156]
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 *
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 * Unicode version of StrCmpCA.
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 */
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DWORD WINAPI StrCmpCW(LPCWSTR lpszSrc, LPCWSTR lpszCmp)
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{
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    return lstrcmpW(lpszSrc, lpszCmp);
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}

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/*************************************************************************
 *      @	[SHLWAPI.157]
 *
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 * Compare two Ascii strings, ignoring case.
 *
 * PARAMS
 *  lpszSrc [I] Source string
 *  lpszCmp [I] String to compare to lpszSrc
 *
 * RETURNS
 *  A number greater than, less than or equal to 0 depending on whether
 *  lpszSrc is greater than, less than or equal to lpszCmp.
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 */
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DWORD WINAPI StrCmpICA(LPCSTR lpszSrc, LPCSTR lpszCmp)
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{
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    return lstrcmpiA(lpszSrc, lpszCmp);
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}
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/*************************************************************************
 *      @	[SHLWAPI.158]
 *
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 * Unicode version of StrCmpICA.
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 */
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DWORD WINAPI StrCmpICW(LPCWSTR lpszSrc, LPCWSTR lpszCmp)
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{
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    return lstrcmpiW(lpszSrc, lpszCmp);
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}

/*************************************************************************
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 *      @	[SHLWAPI.160]
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 *
 * Get an identification string for the OS and explorer.
 *
 * PARAMS
 *  lpszDest  [O] Destination for Id string
 *  dwDestLen [I] Length of lpszDest
 *
 * RETURNS
 *  TRUE,  If the string was created successfully
 *  FALSE, Otherwise
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 */
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BOOL WINAPI SHAboutInfoA(LPSTR lpszDest, DWORD dwDestLen)
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{
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  WCHAR buff[2084];

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  TRACE("(%p,%d)\n", lpszDest, dwDestLen);
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  if (lpszDest && SHAboutInfoW(buff, dwDestLen))
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  {
    WideCharToMultiByte(CP_ACP, 0, buff, -1, lpszDest, dwDestLen, NULL, NULL);
    return TRUE;
  }
  return FALSE;
}

/*************************************************************************
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 *      @	[SHLWAPI.161]
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 *
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 * Unicode version of SHAboutInfoA.
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 */
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BOOL WINAPI SHAboutInfoW(LPWSTR lpszDest, DWORD dwDestLen)
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{
  static const WCHAR szIEKey[] = { 'S','O','F','T','W','A','R','E','\\',
    'M','i','c','r','o','s','o','f','t','\\','I','n','t','e','r','n','e','t',
    ' ','E','x','p','l','o','r','e','r','\0' };
  static const WCHAR szWinNtKey[] = { 'S','O','F','T','W','A','R','E','\\',
    'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s',' ',
    'N','T','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\0' };
  static const WCHAR szWinKey[] = { 'S','O','F','T','W','A','R','E','\\',
    'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
    'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\0' };
  static const WCHAR szRegKey[] = { 'S','O','F','T','W','A','R','E','\\',
    'M','i','c','r','o','s','o','f','t','\\','I','n','t','e','r','n','e','t',
    ' ','E','x','p','l','o','r','e','r','\\',
    'R','e','g','i','s','t','r','a','t','i','o','n','\0' };
  static const WCHAR szVersion[] = { 'V','e','r','s','i','o','n','\0' };
  static const WCHAR szCustomized[] = { 'C','u','s','t','o','m','i','z','e','d',
    'V','e','r','s','i','o','n','\0' };
  static const WCHAR szOwner[] = { 'R','e','g','i','s','t','e','r','e','d',
    'O','w','n','e','r','\0' };
  static const WCHAR szOrg[] = { 'R','e','g','i','s','t','e','r','e','d',
    'O','r','g','a','n','i','z','a','t','i','o','n','\0' };
  static const WCHAR szProduct[] = { 'P','r','o','d','u','c','t','I','d','\0' };
  static const WCHAR szUpdate[] = { 'I','E','A','K',
    'U','p','d','a','t','e','U','r','l','\0' };
  static const WCHAR szHelp[] = { 'I','E','A','K',
    'H','e','l','p','S','t','r','i','n','g','\0' };
  WCHAR buff[2084];
  HKEY hReg;
  DWORD dwType, dwLen;

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  TRACE("(%p,%d)\n", lpszDest, dwDestLen);
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  if (!lpszDest)
    return FALSE;

  *lpszDest = '\0';

  /* Try the NT key first, followed by 95/98 key */
  if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szWinNtKey, 0, KEY_READ, &hReg) &&
      RegOpenKeyExW(HKEY_LOCAL_MACHINE, szWinKey, 0, KEY_READ, &hReg))
    return FALSE;

  /* OS Version */
  buff[0] = '\0';
  dwLen = 30;
  if (!SHGetValueW(HKEY_LOCAL_MACHINE, szIEKey, szVersion, &dwType, buff, &dwLen))
  {
    DWORD dwStrLen = strlenW(buff);
    dwLen = 30 - dwStrLen;
    SHGetValueW(HKEY_LOCAL_MACHINE, szIEKey,
                szCustomized, &dwType, buff+dwStrLen, &dwLen);
  }
  StrCatBuffW(lpszDest, buff, dwDestLen);

  /* ~Registered Owner */
  buff[0] = '~';
  dwLen = 256;
  if (SHGetValueW(hReg, szOwner, 0, &dwType, buff+1, &dwLen))
    buff[1] = '\0';
  StrCatBuffW(lpszDest, buff, dwDestLen);

  /* ~Registered Organization */
  dwLen = 256;
  if (SHGetValueW(hReg, szOrg, 0, &dwType, buff+1, &dwLen))
    buff[1] = '\0';
  StrCatBuffW(lpszDest, buff, dwDestLen);

  /* FIXME: Not sure where this number comes from  */
  buff[0] = '~';
  buff[1] = '0';
  buff[2] = '\0';
  StrCatBuffW(lpszDest, buff, dwDestLen);

  /* ~Product Id */
  dwLen = 256;
  if (SHGetValueW(HKEY_LOCAL_MACHINE, szRegKey, szProduct, &dwType, buff+1, &dwLen))
    buff[1] = '\0';
  StrCatBuffW(lpszDest, buff, dwDestLen);

  /* ~IE Update Url */
  dwLen = 2048;
  if(SHGetValueW(HKEY_LOCAL_MACHINE, szWinKey, szUpdate, &dwType, buff+1, &dwLen))
    buff[1] = '\0';
  StrCatBuffW(lpszDest, buff, dwDestLen);

  /* ~IE Help String */
  dwLen = 256;
  if(SHGetValueW(hReg, szHelp, 0, &dwType, buff+1, &dwLen))
    buff[1] = '\0';
  StrCatBuffW(lpszDest, buff, dwDestLen);

  RegCloseKey(hReg);
  return TRUE;
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}

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/*************************************************************************
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 *      @	[SHLWAPI.163]
 *
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 * Call IOleCommandTarget_QueryStatus() on an object.
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 *
 * PARAMS
 *  lpUnknown     [I] Object supporting the IOleCommandTarget interface
 *  pguidCmdGroup [I] GUID for the command group
 *  cCmds         [I]
 *  prgCmds       [O] Commands
 *  pCmdText      [O] Command text
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_FAIL, if lpUnknown is NULL.
 *           E_NOINTERFACE, if lpUnknown does not support IOleCommandTarget.
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 *           Otherwise, an error code from IOleCommandTarget_QueryStatus().
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 */
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HRESULT WINAPI IUnknown_QueryStatus(IUnknown* lpUnknown, REFGUID pguidCmdGroup,
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                           ULONG cCmds, OLECMD *prgCmds, OLECMDTEXT* pCmdText)
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{
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  HRESULT hRet = E_FAIL;

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  TRACE("(%p,%p,%d,%p,%p)\n",lpUnknown, pguidCmdGroup, cCmds, prgCmds, pCmdText);
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  if (lpUnknown)
  {
    IOleCommandTarget* lpOle;
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    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IOleCommandTarget,
                                   (void**)&lpOle);

    if (SUCCEEDED(hRet) && lpOle)
    {
      hRet = IOleCommandTarget_QueryStatus(lpOle, pguidCmdGroup, cCmds,
                                           prgCmds, pCmdText);
      IOleCommandTarget_Release(lpOle);
    }
  }
  return hRet;
}
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/*************************************************************************
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 *      @		[SHLWAPI.164]
 *
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 * Call IOleCommandTarget_Exec() on an object.
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 *
 * PARAMS
 *  lpUnknown     [I] Object supporting the IOleCommandTarget interface
 *  pguidCmdGroup [I] GUID for the command group
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_FAIL, if lpUnknown is NULL.
 *           E_NOINTERFACE, if lpUnknown does not support IOleCommandTarget.
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 *           Otherwise, an error code from IOleCommandTarget_Exec().
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 */
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HRESULT WINAPI IUnknown_Exec(IUnknown* lpUnknown, REFGUID pguidCmdGroup,
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                           DWORD nCmdID, DWORD nCmdexecopt, VARIANT* pvaIn,
                           VARIANT* pvaOut)
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{
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  HRESULT hRet = E_FAIL;

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  TRACE("(%p,%p,%d,%d,%p,%p)\n",lpUnknown, pguidCmdGroup, nCmdID,
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        nCmdexecopt, pvaIn, pvaOut);

  if (lpUnknown)
  {
    IOleCommandTarget* lpOle;

    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IOleCommandTarget,
                                   (void**)&lpOle);
    if (SUCCEEDED(hRet) && lpOle)
    {
      hRet = IOleCommandTarget_Exec(lpOle, pguidCmdGroup, nCmdID,
                                    nCmdexecopt, pvaIn, pvaOut);
      IOleCommandTarget_Release(lpOle);
    }
  }
  return hRet;
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}

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/*************************************************************************
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 *      @	[SHLWAPI.165]
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 *
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 * Retrieve, modify, and re-set a value from a window.
 *
 * PARAMS
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 *  hWnd   [I] Window to get value from
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 *  offset [I] Offset of value
 *  wMask  [I] Mask for uiFlags
 *  wFlags [I] Bits to set in window value
 *
 * RETURNS
 *  The new value as it was set, or 0 if any parameter is invalid.
 *
 * NOTES
 *  Any bits set in uiMask are cleared from the value, then any bits set in
 *  uiFlags are set in the value.
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 */
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LONG WINAPI SHSetWindowBits(HWND hwnd, INT offset, UINT wMask, UINT wFlags)
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{
  LONG ret = GetWindowLongA(hwnd, offset);
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  LONG newFlags = (wFlags & wMask) | (ret & ~wFlags);
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  if (newFlags != ret)
    ret = SetWindowLongA(hwnd, offset, newFlags);
  return ret;
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}

/*************************************************************************
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 *      @	[SHLWAPI.167]
 *
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 * Change a window's parent.
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 *
 * PARAMS
 *  hWnd       [I] Window to change parent of
 *  hWndParent [I] New parent window
 *
 * RETURNS
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 *  The old parent of hWnd.
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 *
 * NOTES
 *  If hWndParent is NULL (desktop), the window style is changed to WS_POPUP.
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 *  If hWndParent is NOT NULL then we set the WS_CHILD style.
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 */
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HWND WINAPI SHSetParentHwnd(HWND hWnd, HWND hWndParent)
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{
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  TRACE("%p, %p\n", hWnd, hWndParent);

  if(GetParent(hWnd) == hWndParent)
    return 0;

  if(hWndParent)
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    SHSetWindowBits(hWnd, GWL_STYLE, WS_CHILD, WS_CHILD);
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  else
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    SHSetWindowBits(hWnd, GWL_STYLE, WS_POPUP, WS_POPUP);
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  return SetParent(hWnd, hWndParent);
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}

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/*************************************************************************
 *      @       [SHLWAPI.168]
 *
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 * Locate and advise a connection point in an IConnectionPointContainer object.
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 *
 * PARAMS
 *  lpUnkSink   [I] Sink for the connection point advise call
 *  riid        [I] REFIID of connection point to advise
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 *  fConnect    [I] TRUE = Connection being establisted, FALSE = broken
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 *  lpUnknown   [I] Object supporting the IConnectionPointContainer interface
 *  lpCookie    [O] Pointer to connection point cookie
 *  lppCP       [O] Destination for the IConnectionPoint found
 *
 * RETURNS
 *  Success: S_OK. If lppCP is non-NULL, it is filled with the IConnectionPoint
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 *           that was advised. The caller is responsible for releasing it.
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 *  Failure: E_FAIL, if any arguments are invalid.
 *           E_NOINTERFACE, if lpUnknown isn't an IConnectionPointContainer,
 *           Or an HRESULT error code if any call fails.
 */
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HRESULT WINAPI ConnectToConnectionPoint(IUnknown* lpUnkSink, REFIID riid, BOOL fConnect,
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                           IUnknown* lpUnknown, LPDWORD lpCookie,
                           IConnectionPoint **lppCP)
{
  HRESULT hRet;
  IConnectionPointContainer* lpContainer;
  IConnectionPoint *lpCP;

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  if(!lpUnknown || (fConnect && !lpUnkSink))
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    return E_FAIL;

  if(lppCP)
    *lppCP = NULL;

  hRet = IUnknown_QueryInterface(lpUnknown, &IID_IConnectionPointContainer,
                                 (void**)&lpContainer);
  if (SUCCEEDED(hRet))
  {
    hRet = IConnectionPointContainer_FindConnectionPoint(lpContainer, riid, &lpCP);

    if (SUCCEEDED(hRet))
    {
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      if(!fConnect)
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        hRet = IConnectionPoint_Unadvise(lpCP, *lpCookie);
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      else
        hRet = IConnectionPoint_Advise(lpCP, lpUnkSink, lpCookie);
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      if (FAILED(hRet))
        *lpCookie = 0;

      if (lppCP && SUCCEEDED(hRet))
        *lppCP = lpCP; /* Caller keeps the interface */
      else
        IConnectionPoint_Release(lpCP); /* Release it */
    }

    IUnknown_Release(lpContainer);
  }
  return hRet;
}

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/*************************************************************************
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 *	@	[SHLWAPI.169]
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 *
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 * Release an interface.
 *
 * PARAMS
 *  lpUnknown [I] Object to release
 *
 * RETURNS
 *  Nothing.
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 */
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DWORD WINAPI IUnknown_AtomicRelease(IUnknown ** lpUnknown)
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{
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    IUnknown *temp;

    TRACE("(%p)\n",lpUnknown);
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    if(!lpUnknown || !*((LPDWORD)lpUnknown)) return 0;
    temp = *lpUnknown;
    *lpUnknown = NULL;

    TRACE("doing Release\n");
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    return IUnknown_Release(temp);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.170]
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 *
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 * Skip '//' if present in a string.
 *
 * PARAMS
 *  lpszSrc [I] String to check for '//'
 *
 * RETURNS
 *  Success: The next character after the '//' or the string if not present
 *  Failure: NULL, if lpszStr is NULL.
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 */
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LPCSTR WINAPI PathSkipLeadingSlashesA(LPCSTR lpszSrc)
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{
  if (lpszSrc && lpszSrc[0] == '/' && lpszSrc[1] == '/')
    lpszSrc += 2;
  return lpszSrc;
}

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/*************************************************************************
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 *      @		[SHLWAPI.171]
 *
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 * Check if two interfaces come from the same object.
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 *
 * PARAMS
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 *   lpInt1 [I] Interface to check against lpInt2.
 *   lpInt2 [I] Interface to check against lpInt1.
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 *
 * RETURNS
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 *   TRUE, If the interfaces come from the same object.
 *   FALSE Otherwise.
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 */
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BOOL WINAPI SHIsSameObject(IUnknown* lpInt1, IUnknown* lpInt2)
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{
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  LPVOID lpUnknown1, lpUnknown2;

  TRACE("%p %p\n", lpInt1, lpInt2);

  if (!lpInt1 || !lpInt2)
    return FALSE;

  if (lpInt1 == lpInt2)
    return TRUE;

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  if (FAILED(IUnknown_QueryInterface(lpInt1, &IID_IUnknown, &lpUnknown1)))
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    return FALSE;

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  if (FAILED(IUnknown_QueryInterface(lpInt2, &IID_IUnknown, &lpUnknown2)))
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    return FALSE;

  if (lpUnknown1 == lpUnknown2)
    return TRUE;
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  return FALSE;
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}

/*************************************************************************
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 *      @	[SHLWAPI.172]
 *
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 * Get the window handle of an object.
 *
 * PARAMS
 *  lpUnknown [I] Object to get the window handle of
 *  lphWnd    [O] Destination for window handle
 *
 * RETURNS
 *  Success: S_OK. lphWnd contains the objects window handle.
 *  Failure: An HRESULT error code.
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 *
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 * NOTES
 *  lpUnknown is expected to support one of the following interfaces:
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 *  IOleWindow(), IInternetSecurityMgrSite(), or IShellView().
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 */
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HRESULT WINAPI IUnknown_GetWindow(IUnknown *lpUnknown, HWND *lphWnd)
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{
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  IUnknown *lpOle;
  HRESULT hRet = E_FAIL;
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  TRACE("(%p,%p)\n", lpUnknown, lphWnd);
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  if (!lpUnknown)
    return hRet;
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  hRet = IUnknown_QueryInterface(lpUnknown, &IID_IOleWindow, (void**)&lpOle);

  if (FAILED(hRet))
  {
    hRet = IUnknown_QueryInterface(lpUnknown,&IID_IShellView, (void**)&lpOle);

    if (FAILED(hRet))
    {
      hRet = IUnknown_QueryInterface(lpUnknown, &IID_IInternetSecurityMgrSite,
                                      (void**)&lpOle);
    }
  }

  if (SUCCEEDED(hRet))
  {
    /* Lazyness here - Since GetWindow() is the first method for the above 3
     * interfaces, we use the same call for them all.
     */
    hRet = IOleWindow_GetWindow((IOleWindow*)lpOle, lphWnd);
    IUnknown_Release(lpOle);
    if (lphWnd)
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      TRACE("Returning HWND=%p\n", *lphWnd);
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  }

  return hRet;
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}

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/*************************************************************************
 *      @	[SHLWAPI.173]
 *
 * Call a method on as as yet unidentified object.
 *
 * PARAMS
 *  pUnk [I] Object supporting the unidentified interface,
 *  arg  [I] Argument for the call on the object.
 *
 * RETURNS
 *  S_OK.
 */
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HRESULT WINAPI IUnknown_SetOwner(IUnknown *pUnk, ULONG arg)
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{
  static const GUID guid_173 = {
    0x5836fb00, 0x8187, 0x11cf, { 0xa1,0x2b,0x00,0xaa,0x00,0x4a,0xe8,0x37 }
  };
  IMalloc *pUnk2;

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  TRACE("(%p,%d)\n", pUnk, arg);
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  /* Note: arg may not be a ULONG and pUnk2 is for sure not an IMalloc -
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   *       We use this interface as its vtable entry is compatible with the
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   *       object in question.
   * FIXME: Find out what this object is and where it should be defined.
   */
  if (pUnk &&
      SUCCEEDED(IUnknown_QueryInterface(pUnk, &guid_173, (void**)&pUnk2)))
  {
    IMalloc_Alloc(pUnk2, arg); /* Faked call!! */
    IMalloc_Release(pUnk2);
  }
  return S_OK;
}

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/*************************************************************************
 *      @	[SHLWAPI.174]
 *
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 * Call either IObjectWithSite_SetSite() or IInternetSecurityManager_SetSecuritySite() on
 * an object.
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 *
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 */
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HRESULT WINAPI IUnknown_SetSite(
        IUnknown *obj,        /* [in]   OLE object     */
        IUnknown *site)       /* [in]   Site interface */
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{
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    HRESULT hr;
    IObjectWithSite *iobjwithsite;
    IInternetSecurityManager *isecmgr;
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    if (!obj) return E_FAIL;
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    hr = IUnknown_QueryInterface(obj, &IID_IObjectWithSite, (LPVOID *)&iobjwithsite);
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    TRACE("IID_IObjectWithSite QI ret=%08x, %p\n", hr, iobjwithsite);
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    if (SUCCEEDED(hr))
    {
	hr = IObjectWithSite_SetSite(iobjwithsite, site);
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	TRACE("done IObjectWithSite_SetSite ret=%08x\n", hr);
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	IUnknown_Release(iobjwithsite);
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    }
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    else
    {
	hr = IUnknown_QueryInterface(obj, &IID_IInternetSecurityManager, (LPVOID *)&isecmgr);
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	TRACE("IID_IInternetSecurityManager QI ret=%08x, %p\n", hr, isecmgr);
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	if (FAILED(hr)) return hr;

	hr = IInternetSecurityManager_SetSecuritySite(isecmgr, (IInternetSecurityMgrSite *)site);
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	TRACE("done IInternetSecurityManager_SetSecuritySite ret=%08x\n", hr);
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	IUnknown_Release(isecmgr);
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    }
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    return hr;
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}

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/*************************************************************************
 *      @	[SHLWAPI.175]
 *
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 * Call IPersist_GetClassID() on an object.
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 *
 * PARAMS
 *  lpUnknown [I] Object supporting the IPersist interface
 *  lpClassId [O] Destination for Class Id
 *
 * RETURNS
 *  Success: S_OK. lpClassId contains the Class Id requested.
 *  Failure: E_FAIL, If lpUnknown is NULL,
 *           E_NOINTERFACE If lpUnknown does not support IPersist,
 *           Or an HRESULT error code.
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 */
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HRESULT WINAPI IUnknown_GetClassID(IUnknown *lpUnknown, CLSID* lpClassId)
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{
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  IPersist* lpPersist;
  HRESULT hRet = E_FAIL;

  TRACE("(%p,%p)\n", lpUnknown, debugstr_guid(lpClassId));

  if (lpUnknown)
  {
    hRet = IUnknown_QueryInterface(lpUnknown,&IID_IPersist,(void**)&lpPersist);
    if (SUCCEEDED(hRet))
    {
      IPersist_GetClassID(lpPersist, lpClassId);
      IPersist_Release(lpPersist);
    }
  }
  return hRet;
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}
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/*************************************************************************
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 *      @	[SHLWAPI.176]
 *
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 * Retrieve a Service Interface from an object.
 *
 * PARAMS
 *  lpUnknown [I] Object to get an IServiceProvider interface from
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 *  sid       [I] Service ID for IServiceProvider_QueryService() call
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 *  riid      [I] Function requested for QueryService call
 *  lppOut    [O] Destination for the service interface pointer
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 *
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 * RETURNS
 *  Success: S_OK. lppOut contains an object providing the requested service
 *  Failure: An HRESULT error code
 *
 * NOTES
 *  lpUnknown is expected to support the IServiceProvider interface.
 */
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HRESULT WINAPI IUnknown_QueryService(IUnknown* lpUnknown, REFGUID sid, REFIID riid,
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                           LPVOID *lppOut)
{
  IServiceProvider* pService = NULL;
  HRESULT hRet;

  if (!lppOut)
    return E_FAIL;

  *lppOut = NULL;

  if (!lpUnknown)
    return E_FAIL;

  /* Get an IServiceProvider interface from the object */
  hRet = IUnknown_QueryInterface(lpUnknown, &IID_IServiceProvider,
                                 (LPVOID*)&pService);

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  if (hRet == S_OK && pService)
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  {
    TRACE("QueryInterface returned (IServiceProvider*)%p\n", pService);

    /* Get a Service interface from the object */
    hRet = IServiceProvider_QueryService(pService, sid, riid, lppOut);

    TRACE("(IServiceProvider*)%p returned (IUnknown*)%p\n", pService, *lppOut);

    /* Release the IServiceProvider interface */
    IUnknown_Release(pService);
  }
  return hRet;
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}

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/*************************************************************************
 *      @	[SHLWAPI.479]
 *
 * Call an object's UIActivateIO method.
 *
 * PARAMS
 *  unknown  [I] Object to call the UIActivateIO method on
 *  activate [I] Parameter for UIActivateIO call
 *  msg      [I] Parameter for UIActivateIO call
 *
 * RETURNS
 *  Success: Value of UI_ActivateIO call
 *  Failure: An HRESULT error code
 *
 * NOTES
 *  unknown is expected to support the IInputObject interface.
 */
HRESULT WINAPI IUnknown_UIActivateIO(IUnknown *unknown, BOOL activate, LPMSG msg)
{
    IInputObject* object = NULL;
    HRESULT ret;

    if (!unknown)
        return E_FAIL;

    /* Get an IInputObject interface from the object */
    ret = IUnknown_QueryInterface(unknown, &IID_IInputObject, (LPVOID*) &object);

    if (ret == S_OK)
    {
        ret = IInputObject_UIActivateIO(object, activate, msg);
        IUnknown_Release(object);
    }

    return ret;
}

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/*************************************************************************
 *      @	[SHLWAPI.177]
 *
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 * Loads a popup menu.
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 *
 * PARAMS
 *  hInst  [I] Instance handle
 *  szName [I] Menu name
 *
 * RETURNS
 *  Success: TRUE.
 *  Failure: FALSE.
 */
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BOOL WINAPI SHLoadMenuPopup(HINSTANCE hInst, LPCWSTR szName)
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{
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  HMENU hMenu;
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  if ((hMenu = LoadMenuW(hInst, szName)))
  {
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    if (GetSubMenu(hMenu, 0))
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      RemoveMenu(hMenu, 0, MF_BYPOSITION);

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    DestroyMenu(hMenu);
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    return TRUE;
  }
  return FALSE;
}

typedef struct _enumWndData
{
  UINT   uiMsgId;
  WPARAM wParam;
  LPARAM lParam;
  LRESULT (WINAPI *pfnPost)(HWND,UINT,WPARAM,LPARAM);
} enumWndData;

/* Callback for SHLWAPI_178 */
static BOOL CALLBACK SHLWAPI_EnumChildProc(HWND hWnd, LPARAM lParam)
{
  enumWndData *data = (enumWndData *)lParam;

  TRACE("(%p,%p)\n", hWnd, data);
  data->pfnPost(hWnd, data->uiMsgId, data->wParam, data->lParam);
  return TRUE;
}

/*************************************************************************
 * @  [SHLWAPI.178]
 *
 * Send or post a message to every child of a window.
 *
 * PARAMS
 *  hWnd    [I] Window whose children will get the messages
 *  uiMsgId [I] Message Id
 *  wParam  [I] WPARAM of message
 *  lParam  [I] LPARAM of message
 *  bSend   [I] TRUE = Use SendMessageA(), FALSE = Use PostMessageA()
 *
 * RETURNS
 *  Nothing.
 *
 * NOTES
 *  The appropriate ASCII or Unicode function is called for the window.
 */
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void WINAPI SHPropagateMessage(HWND hWnd, UINT uiMsgId, WPARAM wParam, LPARAM lParam, BOOL bSend)
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{
  enumWndData data;

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  TRACE("(%p,%u,%ld,%ld,%d)\n", hWnd, uiMsgId, wParam, lParam, bSend);
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  if(hWnd)
  {
    data.uiMsgId = uiMsgId;
    data.wParam  = wParam;
    data.lParam  = lParam;

    if (bSend)
      data.pfnPost = IsWindowUnicode(hWnd) ? (void*)SendMessageW : (void*)SendMessageA;
    else
      data.pfnPost = IsWindowUnicode(hWnd) ? (void*)PostMessageW : (void*)PostMessageA;

    EnumChildWindows(hWnd, SHLWAPI_EnumChildProc, (LPARAM)&data);
  }
}

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/*************************************************************************
 *      @	[SHLWAPI.180]
 *
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 * Remove all sub-menus from a menu.
 *
 * PARAMS
 *  hMenu [I] Menu to remove sub-menus from
 *
 * RETURNS
 *  Success: 0.  All sub-menus under hMenu are removed
 *  Failure: -1, if any parameter is invalid
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 */
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DWORD WINAPI SHRemoveAllSubMenus(HMENU hMenu)
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{
  int iItemCount = GetMenuItemCount(hMenu) - 1;
  while (iItemCount >= 0)
  {
    HMENU hSubMenu = GetSubMenu(hMenu, iItemCount);
    if (hSubMenu)
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      RemoveMenu(hMenu, iItemCount, MF_BYPOSITION);
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    iItemCount--;
  }
  return iItemCount;
}

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/*************************************************************************
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 *      @	[SHLWAPI.181]
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 *
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 * Enable or disable a menu item.
 *
 * PARAMS
 *  hMenu   [I] Menu holding menu item
 *  uID     [I] ID of menu item to enable/disable
 *  bEnable [I] Whether to enable (TRUE) or disable (FALSE) the item.
 *
 * RETURNS
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 *  The return code from EnableMenuItem.
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 */
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UINT WINAPI SHEnableMenuItem(HMENU hMenu, UINT wItemID, BOOL bEnable)
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{
  return EnableMenuItem(hMenu, wItemID, bEnable ? MF_ENABLED : MF_GRAYED);
}

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/*************************************************************************
 * @	[SHLWAPI.182]
 *
 * Check or uncheck a menu item.
 *
 * PARAMS
 *  hMenu  [I] Menu holding menu item
 *  uID    [I] ID of menu item to check/uncheck
 *  bCheck [I] Whether to check (TRUE) or uncheck (FALSE) the item.
 *
 * RETURNS
 *  The return code from CheckMenuItem.
 */
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DWORD WINAPI SHCheckMenuItem(HMENU hMenu, UINT uID, BOOL bCheck)
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{
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  return CheckMenuItem(hMenu, uID, bCheck ? MF_CHECKED : MF_UNCHECKED);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.183]
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 *
 * Register a window class if it isn't already.
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 *
 * PARAMS
 *  lpWndClass [I] Window class to register
 *
 * RETURNS
 *  The result of the RegisterClassA call.
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 */
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DWORD WINAPI SHRegisterClassA(WNDCLASSA *wndclass)
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{
  WNDCLASSA wca;
  if (GetClassInfoA(wndclass->hInstance, wndclass->lpszClassName, &wca))
    return TRUE;
  return (DWORD)RegisterClassA(wndclass);
}

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/*************************************************************************
 *      @	[SHLWAPI.186]
 */
BOOL WINAPI SHSimulateDrop(IDropTarget *pDrop, IDataObject *pDataObj,
                           DWORD grfKeyState, PPOINTL lpPt, DWORD* pdwEffect)
{
  DWORD dwEffect = DROPEFFECT_LINK | DROPEFFECT_MOVE | DROPEFFECT_COPY;
  POINTL pt = { 0, 0 };

  if (!lpPt)
    lpPt = &pt;

  if (!pdwEffect)
    pdwEffect = &dwEffect;

  IDropTarget_DragEnter(pDrop, pDataObj, grfKeyState, *lpPt, pdwEffect);

  if (*pdwEffect)
    return IDropTarget_Drop(pDrop, pDataObj, grfKeyState, *lpPt, pdwEffect);

  IDropTarget_DragLeave(pDrop);
  return TRUE;
}

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/*************************************************************************
 *      @	[SHLWAPI.187]
 *
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 * Call IPersistPropertyBag_Load() on an object.
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 *
 * PARAMS
 *  lpUnknown [I] Object supporting the IPersistPropertyBag interface
 *  lpPropBag [O] Destination for loaded IPropertyBag
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: An HRESULT error code, or E_FAIL if lpUnknown is NULL.
 */
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DWORD WINAPI SHLoadFromPropertyBag(IUnknown *lpUnknown, IPropertyBag* lpPropBag)
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{
  IPersistPropertyBag* lpPPBag;
  HRESULT hRet = E_FAIL;

  TRACE("(%p,%p)\n", lpUnknown, lpPropBag);

  if (lpUnknown)
  {
    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IPersistPropertyBag,
                                   (void**)&lpPPBag);
    if (SUCCEEDED(hRet) && lpPPBag)
    {
      hRet = IPersistPropertyBag_Load(lpPPBag, lpPropBag, NULL);
      IPersistPropertyBag_Release(lpPPBag);
    }
  }
  return hRet;
}

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/*************************************************************************
 * @  [SHLWAPI.188]
 *
 * Call IOleControlSite_TranslateAccelerator()  on an object.
 *
 * PARAMS
 *  lpUnknown   [I] Object supporting the IOleControlSite interface.
 *  lpMsg       [I] Key message to be processed.
 *  dwModifiers [I] Flags containing the state of the modifier keys.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: An HRESULT error code, or E_INVALIDARG if lpUnknown is NULL.
 */
HRESULT WINAPI IUnknown_TranslateAcceleratorOCS(IUnknown *lpUnknown, LPMSG lpMsg, DWORD dwModifiers)
{
  IOleControlSite* lpCSite = NULL;
  HRESULT hRet = E_INVALIDARG;

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  TRACE("(%p,%p,0x%08x)\n", lpUnknown, lpMsg, dwModifiers);
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  if (lpUnknown)
  {
    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IOleControlSite,
                                   (void**)&lpCSite);
    if (SUCCEEDED(hRet) && lpCSite)
    {
      hRet = IOleControlSite_TranslateAccelerator(lpCSite, lpMsg, dwModifiers);
      IOleControlSite_Release(lpCSite);
    }
  }
  return hRet;
}


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/*************************************************************************
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 * @  [SHLWAPI.189]
 *
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 * Call IOleControlSite_OnFocus() on an object.
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 *
 * PARAMS
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 *  lpUnknown [I] Object supporting the IOleControlSite interface.
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 *  fGotFocus [I] Whether focus was gained (TRUE) or lost (FALSE).
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 *
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 * RETURNS
 *  Success: S_OK.
 *  Failure: An HRESULT error code, or E_FAIL if lpUnknown is NULL.
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 */
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HRESULT WINAPI IUnknown_OnFocusOCS(IUnknown *lpUnknown, BOOL fGotFocus)
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{
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  IOleControlSite* lpCSite = NULL;
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  HRESULT hRet = E_FAIL;

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  TRACE("(%p,%s)\n", lpUnknown, fGotFocus ? "TRUE" : "FALSE");
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  if (lpUnknown)
  {
    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IOleControlSite,
                                   (void**)&lpCSite);
    if (SUCCEEDED(hRet) && lpCSite)
    {
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      hRet = IOleControlSite_OnFocus(lpCSite, fGotFocus);
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      IOleControlSite_Release(lpCSite);
    }
  }
  return hRet;
}

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/*************************************************************************
 * @    [SHLWAPI.190]
 */
HRESULT WINAPI IUnknown_HandleIRestrict(LPUNKNOWN lpUnknown, PVOID lpArg1,
                                        PVOID lpArg2, PVOID lpArg3, PVOID lpArg4)
{
  /* FIXME: {D12F26B2-D90A-11D0-830D-00AA005B4383} - What object does this represent? */
  static const DWORD service_id[] = { 0xd12f26b2, 0x11d0d90a, 0xaa000d83, 0x83435b00 };
  /* FIXME: {D12F26B1-D90A-11D0-830D-00AA005B4383} - Also Unknown/undocumented */
  static const DWORD function_id[] = { 0xd12f26b1, 0x11d0d90a, 0xaa000d83, 0x83435b00 };
  HRESULT hRet = E_INVALIDARG;
  LPUNKNOWN lpUnkInner = NULL; /* FIXME: Real type is unknown */

  TRACE("(%p,%p,%p,%p,%p)\n", lpUnknown, lpArg1, lpArg2, lpArg3, lpArg4);

  if (lpUnknown && lpArg4)
  {
     hRet = IUnknown_QueryService(lpUnknown, (REFGUID)service_id,
                                  (REFGUID)function_id, (void**)&lpUnkInner);

     if (SUCCEEDED(hRet) && lpUnkInner)
     {
       /* FIXME: The type of service object requested is unknown, however
	* testing shows that its first method is called with 4 parameters.
	* Fake this by using IParseDisplayName_ParseDisplayName since the
	* signature and position in the vtable matches our unknown object type.
	*/
       hRet = IParseDisplayName_ParseDisplayName((LPPARSEDISPLAYNAME)lpUnkInner,
                                                 lpArg1, lpArg2, lpArg3, lpArg4);
       IUnknown_Release(lpUnkInner);
     }
  }
  return hRet;
}

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/*************************************************************************
 * @    [SHLWAPI.192]
 *
 * Get a sub-menu from a menu item.
 *
 * PARAMS
 *  hMenu [I] Menu to get sub-menu from
 *  uID   [I] ID of menu item containing sub-menu
 *
 * RETURNS
 *  The sub-menu of the item, or a NULL handle if any parameters are invalid.
 */
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HMENU WINAPI SHGetMenuFromID(HMENU hMenu, UINT uID)
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{
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  MENUITEMINFOW mi;
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  TRACE("(%p,%u)\n", hMenu, uID);
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  mi.cbSize = sizeof(mi);
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  mi.fMask = MIIM_SUBMENU;

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  if (!GetMenuItemInfoW(hMenu, uID, FALSE, &mi))
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    return NULL;
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  return mi.hSubMenu;
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}

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/*************************************************************************
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 *      @	[SHLWAPI.193]
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 *
 * Get the color depth of the primary display.
 *
 * PARAMS
 *  None.
 *
 * RETURNS
 *  The color depth of the primary display.
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 */
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DWORD WINAPI SHGetCurColorRes(void)
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{
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    HDC hdc;
    DWORD ret;
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    TRACE("()\n");
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    hdc = GetDC(0);
    ret = GetDeviceCaps(hdc, BITSPIXEL) * GetDeviceCaps(hdc, PLANES);
    ReleaseDC(0, hdc);
    return ret;
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}

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/*************************************************************************
 *      @	[SHLWAPI.194]
 *
 * Wait for a message to arrive, with a timeout.
 *
 * PARAMS
 *  hand      [I] Handle to query
 *  dwTimeout [I] Timeout in ticks or INFINITE to never timeout
 *
 * RETURNS
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 *  STATUS_TIMEOUT if no message is received before dwTimeout ticks passes.
 *  Otherwise returns the value from MsgWaitForMultipleObjectsEx when a
 *  message is available.
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 */
DWORD WINAPI SHWaitForSendMessageThread(HANDLE hand, DWORD dwTimeout)
{
  DWORD dwEndTicks = GetTickCount() + dwTimeout;
  DWORD dwRet;

  while ((dwRet = MsgWaitForMultipleObjectsEx(1, &hand, dwTimeout, QS_SENDMESSAGE, 0)) == 1)
  {
    MSG msg;

    PeekMessageW(&msg, NULL, 0, 0, PM_NOREMOVE);

    if (dwTimeout != INFINITE)
    {
        if ((int)(dwTimeout = dwEndTicks - GetTickCount()) <= 0)
            return WAIT_TIMEOUT;
    }
  }

  return dwRet;
}

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/*************************************************************************
 *      @       [SHLWAPI.195]
 *
 * Determine if a shell folder can be expanded.
 *
 * PARAMS
 *  lpFolder [I] Parent folder containing the object to test.
 *  pidl     [I] Id of the object to test.
 *
 * RETURNS
 *  Success: S_OK, if the object is expandable, S_FALSE otherwise.
 *  Failure: E_INVALIDARG, if any argument is invalid.
 *
 * NOTES
 *  If the object to be tested does not expose the IQueryInfo() interface it
 *  will not be identified as an expandable folder.
 */
HRESULT WINAPI SHIsExpandableFolder(LPSHELLFOLDER lpFolder, LPCITEMIDLIST pidl)
{
  HRESULT hRet = E_INVALIDARG;
  IQueryInfo *lpInfo;

  if (lpFolder && pidl)
  {
    hRet = IShellFolder_GetUIObjectOf(lpFolder, NULL, 1, &pidl, &IID_IQueryInfo,
                                      NULL, (void**)&lpInfo);
    if (FAILED(hRet))
      hRet = S_FALSE; /* Doesn't expose IQueryInfo */
    else
    {
      DWORD dwFlags = 0;

      /* MSDN states of IQueryInfo_GetInfoFlags() that "This method is not
       * currently used". Really? You wouldn't be holding out on me would you?
       */
      hRet = IQueryInfo_GetInfoFlags(lpInfo, &dwFlags);

      if (SUCCEEDED(hRet))
      {
        /* 0x2 is an undocumented flag apparently indicating expandability */
        hRet = dwFlags & 0x2 ? S_OK : S_FALSE;
      }

      IQueryInfo_Release(lpInfo);
    }
  }
  return hRet;
}

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/*************************************************************************
 *      @       [SHLWAPI.197]
 *
 * Blank out a region of text by drawing the background only.
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 *
 * PARAMS
 *  hDC   [I] Device context to draw in
 *  pRect [I] Area to draw in
 *  cRef  [I] Color to draw in
 *
 * RETURNS
 *  Nothing.
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 */
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DWORD WINAPI SHFillRectClr(HDC hDC, LPCRECT pRect, COLORREF cRef)
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{
    COLORREF cOldColor = SetBkColor(hDC, cRef);
    ExtTextOutA(hDC, 0, 0, ETO_OPAQUE, pRect, 0, 0, 0);
    SetBkColor(hDC, cOldColor);
    return 0;
}

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/*************************************************************************
 *      @	[SHLWAPI.198]
 *
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 * Return the value associated with a key in a map.
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 *
 * PARAMS
 *  lpKeys   [I] A list of keys of length iLen
 *  lpValues [I] A list of values associated with lpKeys, of length iLen
 *  iLen     [I] Length of both lpKeys and lpValues
 *  iKey     [I] The key value to look up in lpKeys
 *
 * RETURNS
 *  The value in lpValues associated with iKey, or -1 if iKey is not
 *  found in lpKeys.
 *
 * NOTES
 *  - If two elements in the map share the same key, this function returns
 *    the value closest to the start of the map
 *  - The native version of this function crashes if lpKeys or lpValues is NULL.
 */
int WINAPI SHSearchMapInt(const int *lpKeys, const int *lpValues, int iLen, int iKey)
{
  if (lpKeys && lpValues)
  {
    int i = 0;

    while (i < iLen)
    {
      if (lpKeys[i] == iKey)
        return lpValues[i]; /* Found */
      i++;
    }
  }
  return -1; /* Not found */
}


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/*************************************************************************
 *      @	[SHLWAPI.199]
 *
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 * Copy an interface pointer
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 *
 * PARAMS
 *   lppDest   [O] Destination for copy
 *   lpUnknown [I] Source for copy
 *
 * RETURNS
 *  Nothing.
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 */
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VOID WINAPI IUnknown_Set(IUnknown **lppDest, IUnknown *lpUnknown)
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{
  TRACE("(%p,%p)\n", lppDest, lpUnknown);

  if (lppDest)
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    IUnknown_AtomicRelease(lppDest); /* Release existing interface */
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  if (lpUnknown)
  {
    /* Copy */
    IUnknown_AddRef(lpUnknown);
    *lppDest = lpUnknown;
  }
}

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/*************************************************************************
 *      @	[SHLWAPI.200]
 *
 */
HRESULT WINAPI MayQSForward(IUnknown* lpUnknown, PVOID lpReserved,
                            REFGUID riidCmdGrp, ULONG cCmds,
                            OLECMD *prgCmds, OLECMDTEXT* pCmdText)
{
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  FIXME("(%p,%p,%p,%d,%p,%p) - stub\n",
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        lpUnknown, lpReserved, riidCmdGrp, cCmds, prgCmds, pCmdText);

  /* FIXME: Calls IsQSForward & IUnknown_QueryStatus */
  return DRAGDROP_E_NOTREGISTERED;
}

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/*************************************************************************
 *      @	[SHLWAPI.201]
 *
 */
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HRESULT WINAPI MayExecForward(IUnknown* lpUnknown, INT iUnk, REFGUID pguidCmdGroup,
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                           DWORD nCmdID, DWORD nCmdexecopt, VARIANT* pvaIn,
                           VARIANT* pvaOut)
{
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  FIXME("(%p,%d,%p,%d,%d,%p,%p) - stub!\n", lpUnknown, iUnk, pguidCmdGroup,
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        nCmdID, nCmdexecopt, pvaIn, pvaOut);
  return DRAGDROP_E_NOTREGISTERED;
}

/*************************************************************************
 *      @	[SHLWAPI.202]
 *
 */
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HRESULT WINAPI IsQSForward(REFGUID pguidCmdGroup,ULONG cCmds, OLECMD *prgCmds)
2091
{
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  FIXME("(%p,%d,%p) - stub!\n", pguidCmdGroup, cCmds, prgCmds);
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  return DRAGDROP_E_NOTREGISTERED;
}

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/*************************************************************************
 * @	[SHLWAPI.204]
 *
 * Determine if a window is not a child of another window.
 *
 * PARAMS
 * hParent [I] Suspected parent window
 * hChild  [I] Suspected child window
 *
 * RETURNS
 * TRUE:  If hChild is a child window of hParent
 * FALSE: If hChild is not a child window of hParent, or they are equal
 */
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BOOL WINAPI SHIsChildOrSelf(HWND hParent, HWND hChild)
2110
{
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  TRACE("(%p,%p)\n", hParent, hChild);
2112 2113 2114 2115 2116 2117 2118 2119

  if (!hParent || !hChild)
    return TRUE;
  else if(hParent == hChild)
    return FALSE;
  return !IsChild(hParent, hChild);
}

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/*************************************************************************
 *    FDSA functions.  Manage a dynamic array of fixed size memory blocks.
 */

typedef struct
{
    DWORD num_items;       /* Number of elements inserted */
    void *mem;             /* Ptr to array */
    DWORD blocks_alloced;  /* Number of elements allocated */
    BYTE inc;              /* Number of elements to grow by when we need to expand */
    BYTE block_size;       /* Size in bytes of an element */
    BYTE flags;            /* Flags */
} FDSA_info;

#define FDSA_FLAG_INTERNAL_ALLOC 0x01 /* When set we have allocated mem internally */

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/*************************************************************************
 *      @	[SHLWAPI.208]
 *
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 * Initialize an FDSA array.
2140
 */
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BOOL WINAPI FDSA_Initialize(DWORD block_size, DWORD inc, FDSA_info *info, void *mem,
                            DWORD init_blocks)
2143
{
2144
    TRACE("(0x%08x 0x%08x %p %p 0x%08x)\n", block_size, inc, info, mem, init_blocks);
2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159

    if(inc == 0)
        inc = 1;

    if(mem)
        memset(mem, 0, block_size * init_blocks);
    
    info->num_items = 0;
    info->inc = inc;
    info->mem = mem;
    info->blocks_alloced = init_blocks;
    info->block_size = block_size;
    info->flags = 0;

    return TRUE;
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}

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/*************************************************************************
 *      @	[SHLWAPI.209]
 *
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 * Destroy an FDSA array
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 */
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BOOL WINAPI FDSA_Destroy(FDSA_info *info)
2168
{
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    TRACE("(%p)\n", info);

    if(info->flags & FDSA_FLAG_INTERNAL_ALLOC)
    {
        HeapFree(GetProcessHeap(), 0, info->mem);
        return FALSE;
    }

    return TRUE;
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}

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/*************************************************************************
 *      @	[SHLWAPI.210]
 *
2183
 * Insert element into an FDSA array
2184
 */
2185
DWORD WINAPI FDSA_InsertItem(FDSA_info *info, DWORD where, const void *block)
2186
{
2187
    TRACE("(%p 0x%08x %p)\n", info, where, block);
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    if(where > info->num_items)
        where = info->num_items;

    if(info->num_items >= info->blocks_alloced)
    {
        DWORD size = (info->blocks_alloced + info->inc) * info->block_size;
        if(info->flags & 0x1)
            info->mem = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, info->mem, size);
        else
        {
            void *old_mem = info->mem;
            info->mem = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
            memcpy(info->mem, old_mem, info->blocks_alloced * info->block_size);
        }
        info->blocks_alloced += info->inc;
        info->flags |= 0x1;
    }

    if(where < info->num_items)
    {
        memmove((char*)info->mem + (where + 1) * info->block_size,
                (char*)info->mem + where * info->block_size,
                (info->num_items - where) * info->block_size);
    }
    memcpy((char*)info->mem + where * info->block_size, block, info->block_size);

    info->num_items++;
    return where;
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}

/*************************************************************************
 *      @	[SHLWAPI.211]
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 *
 * Delete an element from an FDSA array.
2222
 */
2223
BOOL WINAPI FDSA_DeleteItem(FDSA_info *info, DWORD where)
2224
{
2225
    TRACE("(%p 0x%08x)\n", info, where);
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    if(where >= info->num_items)
        return FALSE;

    if(where < info->num_items - 1)
    {
        memmove((char*)info->mem + where * info->block_size,
                (char*)info->mem + (where + 1) * info->block_size,
                (info->num_items - where - 1) * info->block_size);
    }
    memset((char*)info->mem + (info->num_items - 1) * info->block_size,
           0, info->block_size);
    info->num_items--;
    return TRUE;
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}

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typedef struct {
    REFIID   refid;
    DWORD    indx;
} IFACE_INDEX_TBL;

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/*************************************************************************
 *      @	[SHLWAPI.219]
 *
 * Call IUnknown_QueryInterface() on a table of objects.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_POINTER or E_NOINTERFACE.
 */
2257
HRESULT WINAPI QISearch(
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	LPVOID w,           /* [in]   Table of interfaces */
	IFACE_INDEX_TBL *x, /* [in]   Array of REFIIDs and indexes into the table */
	REFIID riid,        /* [in]   REFIID to get interface for */
	LPVOID *ppv)          /* [out]  Destination for interface pointer */
2262 2263 2264 2265 2266
{
	HRESULT ret;
	IUnknown *a_vtbl;
	IFACE_INDEX_TBL *xmove;

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	TRACE("(%p %p %s %p)\n", w,x,debugstr_guid(riid),ppv);
	if (ppv) {
2269 2270
	    xmove = x;
	    while (xmove->refid) {
2271
		TRACE("trying (indx %d) %s\n", xmove->indx, debugstr_guid(xmove->refid));
2272 2273 2274
		if (IsEqualIID(riid, xmove->refid)) {
		    a_vtbl = (IUnknown*)(xmove->indx + (LPBYTE)w);
		    TRACE("matched, returning (%p)\n", a_vtbl);
2275
                    *ppv = a_vtbl;
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		    IUnknown_AddRef(a_vtbl);
		    return S_OK;
		}
		xmove++;
	    }

	    if (IsEqualIID(riid, &IID_IUnknown)) {
		a_vtbl = (IUnknown*)(x->indx + (LPBYTE)w);
		TRACE("returning first for IUnknown (%p)\n", a_vtbl);
2285
                *ppv = a_vtbl;
2286 2287 2288
		IUnknown_AddRef(a_vtbl);
		return S_OK;
	    }
2289
	    *ppv = 0;
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	    ret = E_NOINTERFACE;
	} else
	    ret = E_POINTER;
2293

2294
	TRACE("-- 0x%08x\n", ret);
2295
	return ret;
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}

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/*************************************************************************
 * @ [SHLWAPI.220]
 *
 * Set the Font for a window and the "PropDlgFont" property of the parent window.
 *
 * PARAMS
 *  hWnd [I] Parent Window to set the property
 *  id   [I] Index of child Window to set the Font
 *
 * RETURNS
 *  Success: S_OK
 *
 */
HRESULT WINAPI SHSetDefaultDialogFont(HWND hWnd, INT id)
{
    FIXME("(%p, %d) stub\n", hWnd, id);
    return S_OK;
}

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/*************************************************************************
 *      @	[SHLWAPI.221]
 *
 * Remove the "PropDlgFont" property from a window.
 *
 * PARAMS
 *  hWnd [I] Window to remove the property from
 *
 * RETURNS
 *  A handle to the removed property, or NULL if it did not exist.
 */
2328
HANDLE WINAPI SHRemoveDefaultDialogFont(HWND hWnd)
2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343
{
  HANDLE hProp;

  TRACE("(%p)\n", hWnd);

  hProp = GetPropA(hWnd, "PropDlgFont");

  if(hProp)
  {
    DeleteObject(hProp);
    hProp = RemovePropA(hWnd, "PropDlgFont");
  }
  return hProp;
}

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/*************************************************************************
 *      @	[SHLWAPI.236]
2346 2347 2348 2349 2350 2351 2352 2353 2354
 *
 * Load the in-process server of a given GUID.
 *
 * PARAMS
 *  refiid [I] GUID of the server to load.
 *
 * RETURNS
 *  Success: A handle to the loaded server dll.
 *  Failure: A NULL handle.
2355
 */
2356
HMODULE WINAPI SHPinDllOfCLSID(REFIID refiid)
2357 2358 2359 2360 2361 2362
{
    HKEY newkey;
    DWORD type, count;
    CHAR value[MAX_PATH], string[MAX_PATH];

    strcpy(string, "CLSID\\");
2363
    SHStringFromGUIDA(refiid, string + 6, sizeof(string)/sizeof(char) - 6);
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    strcat(string, "\\InProcServer32");

    count = MAX_PATH;
    RegOpenKeyExA(HKEY_CLASSES_ROOT, string, 0, 1, &newkey);
2368
    RegQueryValueExA(newkey, 0, 0, &type, (PBYTE)value, &count);
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    RegCloseKey(newkey);
    return LoadLibraryExA(value, 0, 0);
}

2373
/*************************************************************************
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 *      @	[SHLWAPI.237]
2375
 *
2376
 * Unicode version of SHLWAPI_183.
2377
 */
2378
DWORD WINAPI SHRegisterClassW(WNDCLASSW * lpWndClass)
2379 2380
{
	WNDCLASSW WndClass;
2381

2382
	TRACE("(%p %s)\n",lpWndClass->hInstance, debugstr_w(lpWndClass->lpszClassName));
2383

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	if (GetClassInfoW(lpWndClass->hInstance, lpWndClass->lpszClassName, &WndClass))
		return TRUE;
	return RegisterClassW(lpWndClass);
}

2389
/*************************************************************************
2390
 *      @	[SHLWAPI.238]
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 *
 * Unregister a list of classes.
 *
 * PARAMS
 *  hInst      [I] Application instance that registered the classes
 *  lppClasses [I] List of class names
 *  iCount     [I] Number of names in lppClasses
 *
 * RETURNS
 *  Nothing.
2401
 */
2402
void WINAPI SHUnregisterClassesA(HINSTANCE hInst, LPCSTR *lppClasses, INT iCount)
2403
{
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  WNDCLASSA WndClass;

  TRACE("(%p,%p,%d)\n", hInst, lppClasses, iCount);

  while (iCount > 0)
  {
    if (GetClassInfoA(hInst, *lppClasses, &WndClass))
      UnregisterClassA(*lppClasses, hInst);
    lppClasses++;
    iCount--;
  }
}

/*************************************************************************
2418
 *      @	[SHLWAPI.239]
2419
 *
2420
 * Unicode version of SHUnregisterClassesA.
2421
 */
2422
void WINAPI SHUnregisterClassesW(HINSTANCE hInst, LPCWSTR *lppClasses, INT iCount)
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{
  WNDCLASSW WndClass;

  TRACE("(%p,%p,%d)\n", hInst, lppClasses, iCount);

  while (iCount > 0)
  {
    if (GetClassInfoW(hInst, *lppClasses, &WndClass))
      UnregisterClassW(*lppClasses, hInst);
    lppClasses++;
    iCount--;
  }
2435 2436
}

2437
/*************************************************************************
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2438
 *      @	[SHLWAPI.240]
2439
 *
2440
 * Call The correct (Ascii/Unicode) default window procedure for a window.
2441 2442
 *
 * PARAMS
2443
 *  hWnd     [I] Window to call the default procedure for
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 *  uMessage [I] Message ID
 *  wParam   [I] WPARAM of message
 *  lParam   [I] LPARAM of message
 *
 * RETURNS
2449
 *  The result of calling DefWindowProcA() or DefWindowProcW().
2450
 */
2451
LRESULT CALLBACK SHDefWindowProc(HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
2452 2453 2454 2455
{
	if (IsWindowUnicode(hWnd))
		return DefWindowProcW(hWnd, uMessage, wParam, lParam);
	return DefWindowProcA(hWnd, uMessage, wParam, lParam);
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}

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/*************************************************************************
 *      @       [SHLWAPI.256]
 */
HRESULT WINAPI IUnknown_GetSite(LPUNKNOWN lpUnknown, REFIID iid, PVOID *lppSite)
{
  HRESULT hRet = E_INVALIDARG;
  LPOBJECTWITHSITE lpSite = NULL;

  TRACE("(%p,%s,%p)\n", lpUnknown, debugstr_guid(iid), lppSite);

  if (lpUnknown && iid && lppSite)
  {
    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IObjectWithSite,
                                   (void**)&lpSite);
    if (SUCCEEDED(hRet) && lpSite)
    {
      hRet = IObjectWithSite_GetSite(lpSite, iid, lppSite);
      IObjectWithSite_Release(lpSite);
    }
  }
  return hRet;
}

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/*************************************************************************
 *      @	[SHLWAPI.257]
 *
 * Create a worker window using CreateWindowExA().
 *
 * PARAMS
 *  wndProc    [I] Window procedure
 *  hWndParent [I] Parent window
 *  dwExStyle  [I] Extra style flags
 *  dwStyle    [I] Style flags
 *  hMenu      [I] Window menu
 *  z          [I] Unknown
 *
 * RETURNS
 *  Success: The window handle of the newly created window.
 *  Failure: 0.
 */
2498
HWND WINAPI SHCreateWorkerWindowA(LONG wndProc, HWND hWndParent, DWORD dwExStyle,
2499 2500
                        DWORD dwStyle, HMENU hMenu, LONG z)
{
2501
  static const char szClass[] = "WorkerA";
2502 2503 2504
  WNDCLASSA wc;
  HWND hWnd;

2505
  TRACE("(0x%08x,%p,0x%08x,0x%08x,%p,0x%08x)\n",
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         wndProc, hWndParent, dwExStyle, dwStyle, hMenu, z);

  /* Create Window class */
  wc.style         = 0;
  wc.lpfnWndProc   = DefWindowProcA;
  wc.cbClsExtra    = 0;
  wc.cbWndExtra    = 4;
  wc.hInstance     = shlwapi_hInstance;
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  wc.hIcon         = NULL;
  wc.hCursor       = LoadCursorA(NULL, (LPSTR)IDC_ARROW);
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  wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
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  wc.lpszMenuName  = NULL;
  wc.lpszClassName = szClass;

2520
  SHRegisterClassA(&wc); /* Register class */
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  /* FIXME: Set extra bits in dwExStyle */

  hWnd = CreateWindowExA(dwExStyle, szClass, 0, dwStyle, 0, 0, 0, 0,
                         hWndParent, hMenu, shlwapi_hInstance, 0);
  if (hWnd)
  {
2528
    SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, z);
2529 2530

    if (wndProc)
2531
      SetWindowLongPtrA(hWnd, GWLP_WNDPROC, wndProc);
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  }
  return hWnd;
}

typedef struct tagPOLICYDATA
{
  DWORD policy;        /* flags value passed to SHRestricted */
  LPCWSTR appstr;      /* application str such as "Explorer" */
  LPCWSTR keystr;      /* name of the actual registry key / policy */
} POLICYDATA, *LPPOLICYDATA;

#define SHELL_NO_POLICY 0xffffffff

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/* default shell policy registry key */
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static const WCHAR strRegistryPolicyW[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o',
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                                      's','o','f','t','\\','W','i','n','d','o','w','s','\\',
                                      'C','u','r','r','e','n','t','V','e','r','s','i','o','n',
                                      '\\','P','o','l','i','c','i','e','s',0};

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/*************************************************************************
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 * @                          [SHLWAPI.271]
 *
 * Retrieve a policy value from the registry.
 *
 * PARAMS
 *  lpSubKey   [I]   registry key name
 *  lpSubName  [I]   subname of registry key
 *  lpValue    [I]   value name of registry value
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 *
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 * RETURNS
 *  the value associated with the registry key or 0 if not found
2563
 */
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DWORD WINAPI SHGetRestriction(LPCWSTR lpSubKey, LPCWSTR lpSubName, LPCWSTR lpValue)
2565
{
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	DWORD retval, datsize = sizeof(retval);
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	HKEY hKey;

	if (!lpSubKey)
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	  lpSubKey = strRegistryPolicyW;
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	retval = RegOpenKeyW(HKEY_LOCAL_MACHINE, lpSubKey, &hKey);
    if (retval != ERROR_SUCCESS)
	  retval = RegOpenKeyW(HKEY_CURRENT_USER, lpSubKey, &hKey);
	if (retval != ERROR_SUCCESS)
	  return 0;

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        SHGetValueW(hKey, lpSubName, lpValue, NULL, &retval, &datsize);
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	RegCloseKey(hKey);
2580
	return retval;
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}

/*************************************************************************
 * @                         [SHLWAPI.266]
 *
 * Helper function to retrieve the possibly cached value for a specific policy
 *
 * PARAMS
 *  policy     [I]   The policy to look for
 *  initial    [I]   Main registry key to open, if NULL use default
 *  polTable   [I]   Table of known policies, 0 terminated
 *  polArr     [I]   Cache array of policy values
 *
 * RETURNS
 *  The retrieved policy value or 0 if not successful
 *
 * NOTES
 *  This function is used by the native SHRestricted function to search for the
 *  policy and cache it once retrieved. The current Wine implementation uses a
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 *  different POLICYDATA structure and implements a similar algorithm adapted to
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 *  that structure.
 */
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DWORD WINAPI SHRestrictionLookup(
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	DWORD policy,
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	LPCWSTR initial,
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	LPPOLICYDATA polTable,
	LPDWORD polArr)
{
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	TRACE("(0x%08x %s %p %p)\n", policy, debugstr_w(initial), polTable, polArr);
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	if (!polTable || !polArr)
	  return 0;

	for (;polTable->policy; polTable++, polArr++)
	{
	  if (policy == polTable->policy)
	  {
	    /* we have a known policy */

	    /* check if this policy has been cached */
		if (*polArr == SHELL_NO_POLICY)
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	      *polArr = SHGetRestriction(initial, polTable->appstr, polTable->keystr);
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	    return *polArr;
	  }
	}
	/* we don't know this policy, return 0 */
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	TRACE("unknown policy: (%08x)\n", policy);
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	return 0;
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}

/*************************************************************************
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 *      @	[SHLWAPI.267]
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 *
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 * Get an interface from an object.
 *
 * RETURNS
 *  Success: S_OK. ppv contains the requested interface.
 *  Failure: An HRESULT error code.
 *
 * NOTES
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 *   This QueryInterface asks the inner object for an interface. In case
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 *   of aggregation this request would be forwarded by the inner to the
 *   outer object. This function asks the inner object directly for the
 *   interface circumventing the forwarding to the outer object.
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 */
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HRESULT WINAPI SHWeakQueryInterface(
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	IUnknown * pUnk,   /* [in] Outer object */
	IUnknown * pInner, /* [in] Inner object */
	IID * riid, /* [in] Interface GUID to query for */
	LPVOID* ppv) /* [out] Destination for queried interface */
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{
	HRESULT hret = E_NOINTERFACE;
	TRACE("(pUnk=%p pInner=%p\n\tIID:  %s %p)\n",pUnk,pInner,debugstr_guid(riid), ppv);

	*ppv = NULL;
	if(pUnk && pInner) {
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            hret = IUnknown_QueryInterface(pInner, riid, ppv);
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	    if (SUCCEEDED(hret)) IUnknown_Release(pUnk);
	}
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	TRACE("-- 0x%08x\n", hret);
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	return hret;
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}

/*************************************************************************
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 *      @	[SHLWAPI.268]
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 *
 * Move a reference from one interface to another.
 *
 * PARAMS
 *   lpDest     [O] Destination to receive the reference
 *   lppUnknown [O] Source to give up the reference to lpDest
 *
 * RETURNS
 *  Nothing.
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 */
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VOID WINAPI SHWeakReleaseInterface(IUnknown *lpDest, IUnknown **lppUnknown)
2677
{
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  TRACE("(%p,%p)\n", lpDest, lppUnknown);
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  if (*lppUnknown)
  {
    /* Copy Reference*/
    IUnknown_AddRef(lpDest);
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    IUnknown_AtomicRelease(lppUnknown); /* Release existing interface */
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  }
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}

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/*************************************************************************
 *      @	[SHLWAPI.269]
 *
 * Convert an ASCII string of a CLSID into a CLSID.
 *
 * PARAMS
 *  idstr [I] String representing a CLSID in registry format
 *  id    [O] Destination for the converted CLSID
 *
 * RETURNS
 *  Success: TRUE. id contains the converted CLSID.
 *  Failure: FALSE.
 */
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BOOL WINAPI GUIDFromStringA(LPCSTR idstr, CLSID *id)
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{
  WCHAR wClsid[40];
  MultiByteToWideChar(CP_ACP, 0, idstr, -1, wClsid, sizeof(wClsid)/sizeof(WCHAR));
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  return SUCCEEDED(CLSIDFromString(wClsid, id));
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}

/*************************************************************************
 *      @	[SHLWAPI.270]
 *
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 * Unicode version of GUIDFromStringA.
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 */
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BOOL WINAPI GUIDFromStringW(LPCWSTR idstr, CLSID *id)
2714
{
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    return SUCCEEDED(CLSIDFromString((LPOLESTR)idstr, id));
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}

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/*************************************************************************
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 *      @	[SHLWAPI.276]
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 *
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 * Determine if the browser is integrated into the shell, and set a registry
 * key accordingly.
 *
 * PARAMS
 *  None.
 *
 * RETURNS
 *  1, If the browser is not integrated.
 *  2, If the browser is integrated.
 *
 * NOTES
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 *  The key "HKLM\Software\Microsoft\Internet Explorer\IntegratedBrowser" is
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 *  either set to TRUE, or removed depending on whether the browser is deemed
 *  to be integrated.
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 */
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DWORD WINAPI WhichPlatform(void)
2737
{
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  static const char szIntegratedBrowser[] = "IntegratedBrowser";
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  static DWORD dwState = 0;
  HKEY hKey;
  DWORD dwRet, dwData, dwSize;
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  HMODULE hshell32;
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  if (dwState)
    return dwState;

  /* If shell32 exports DllGetVersion(), the browser is integrated */
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  dwState = 1;
  hshell32 = LoadLibraryA("shell32.dll");
  if (hshell32)
  {
    FARPROC pDllGetVersion;
    pDllGetVersion = GetProcAddress(hshell32, "DllGetVersion");
    dwState = pDllGetVersion ? 2 : 1;
    FreeLibrary(hshell32);
  }
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  /* Set or delete the key accordingly */
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  dwRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
                        "Software\\Microsoft\\Internet Explorer", 0,
                         KEY_ALL_ACCESS, &hKey);
  if (!dwRet)
  {
    dwRet = RegQueryValueExA(hKey, szIntegratedBrowser, 0, 0,
                             (LPBYTE)&dwData, &dwSize);

    if (!dwRet && dwState == 1)
    {
      /* Value exists but browser is not integrated */
      RegDeleteValueA(hKey, szIntegratedBrowser);
    }
    else if (dwRet && dwState == 2)
    {
      /* Browser is integrated but value does not exist */
      dwData = TRUE;
      RegSetValueExA(hKey, szIntegratedBrowser, 0, REG_DWORD,
                     (LPBYTE)&dwData, sizeof(dwData));
    }
    RegCloseKey(hKey);
  }
  return dwState;
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}

/*************************************************************************
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 *      @	[SHLWAPI.278]
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 *
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 * Unicode version of SHCreateWorkerWindowA.
2788
 */
2789
HWND WINAPI SHCreateWorkerWindowW(LONG wndProc, HWND hWndParent, DWORD dwExStyle,
2790
                        DWORD dwStyle, HMENU hMenu, LONG z)
2791
{
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  static const WCHAR szClass[] = { 'W', 'o', 'r', 'k', 'e', 'r', 'W', '\0' };
  WNDCLASSW wc;
  HWND hWnd;
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  TRACE("(0x%08x,%p,0x%08x,0x%08x,%p,0x%08x)\n",
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         wndProc, hWndParent, dwExStyle, dwStyle, hMenu, z);
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  /* If our OS is natively ASCII, use the ASCII version */
  if (!(GetVersion() & 0x80000000))  /* NT */
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    return SHCreateWorkerWindowA(wndProc, hWndParent, dwExStyle, dwStyle, hMenu, z);
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  /* Create Window class */
  wc.style         = 0;
  wc.lpfnWndProc   = DefWindowProcW;
  wc.cbClsExtra    = 0;
  wc.cbWndExtra    = 4;
  wc.hInstance     = shlwapi_hInstance;
2809
  wc.hIcon         = NULL;
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  wc.hCursor       = LoadCursorW(NULL, (LPWSTR)IDC_ARROW);
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  wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
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  wc.lpszMenuName  = NULL;
  wc.lpszClassName = szClass;

2815
  SHRegisterClassW(&wc); /* Register class */
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  /* FIXME: Set extra bits in dwExStyle */

  hWnd = CreateWindowExW(dwExStyle, szClass, 0, dwStyle, 0, 0, 0, 0,
                         hWndParent, hMenu, shlwapi_hInstance, 0);
  if (hWnd)
  {
2823
    SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, z);
2824 2825

    if (wndProc)
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      SetWindowLongPtrW(hWnd, GWLP_WNDPROC, wndProc);
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  }
  return hWnd;
}

/*************************************************************************
 *      @	[SHLWAPI.279]
 *
 * Get and show a context menu from a shell folder.
 *
 * PARAMS
 *  hWnd           [I] Window displaying the shell folder
 *  lpFolder       [I] IShellFolder interface
 *  lpApidl        [I] Id for the particular folder desired
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: An HRESULT error code indicating the error.
 */
2845
HRESULT WINAPI SHInvokeDefaultCommand(HWND hWnd, IShellFolder* lpFolder, LPCITEMIDLIST lpApidl)
2846
{
2847
  return SHInvokeCommand(hWnd, lpFolder, lpApidl, FALSE);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.281]
 *
 * _SHPackDispParamsV
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 */
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HRESULT WINAPI SHPackDispParamsV(DISPPARAMS *params, VARIANTARG *args, UINT cnt, __ms_va_list valist)
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{
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  VARIANTARG *iter;

  TRACE("(%p %p %u ...)\n", params, args, cnt);

  params->rgvarg = args;
  params->rgdispidNamedArgs = NULL;
  params->cArgs = cnt;
  params->cNamedArgs = 0;

  iter = args+cnt;

  while(iter-- > args) {
    V_VT(iter) = va_arg(valist, enum VARENUM);

    TRACE("vt=%d\n", V_VT(iter));

    if(V_VT(iter) & VT_BYREF) {
      V_BYREF(iter) = va_arg(valist, LPVOID);
    } else {
      switch(V_VT(iter)) {
      case VT_I4:
        V_I4(iter) = va_arg(valist, LONG);
        break;
      case VT_BSTR:
        V_BSTR(iter) = va_arg(valist, BSTR);
        break;
      case VT_DISPATCH:
        V_DISPATCH(iter) = va_arg(valist, IDispatch*);
        break;
      case VT_BOOL:
        V_BOOL(iter) = va_arg(valist, int);
        break;
      case VT_UNKNOWN:
        V_UNKNOWN(iter) = va_arg(valist, IUnknown*);
        break;
      default:
        V_VT(iter) = VT_I4;
        V_I4(iter) = va_arg(valist, LONG);
      }
    }
  }

  return S_OK;
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}

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/*************************************************************************
 *      @       [SHLWAPI.282]
 *
2905
 * SHPackDispParams
2906
 */
2907
HRESULT WINAPIV SHPackDispParams(DISPPARAMS *params, VARIANTARG *args, UINT cnt, ...)
2908
{
2909
  __ms_va_list valist;
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  HRESULT hres;

2912
  __ms_va_start(valist, cnt);
2913
  hres = SHPackDispParamsV(params, args, cnt, valist);
2914
  __ms_va_end(valist);
2915
  return hres;
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}

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/*************************************************************************
 *      SHLWAPI_InvokeByIID
 *
 *   This helper function calls IDispatch::Invoke for each sink
 * which implements given iid or IDispatch.
 *
 */
static HRESULT SHLWAPI_InvokeByIID(
        IConnectionPoint* iCP,
        REFIID iid,
        DISPID dispId,
        DISPPARAMS* dispParams)
{
  IEnumConnections *enumerator;
  CONNECTDATA rgcd;
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  static DISPPARAMS empty = {NULL, NULL, 0, 0};
  DISPPARAMS* params = dispParams;
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  HRESULT result = IConnectionPoint_EnumConnections(iCP, &enumerator);
  if (FAILED(result))
    return result;

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  /* Invoke is never happening with an NULL dispParams */
  if (!params)
    params = &empty;

2944 2945 2946
  while(IEnumConnections_Next(enumerator, 1, &rgcd, NULL)==S_OK)
  {
    IDispatch *dispIface;
2947
    if ((iid && SUCCEEDED(IUnknown_QueryInterface(rgcd.pUnk, iid, (LPVOID*)&dispIface))) ||
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        SUCCEEDED(IUnknown_QueryInterface(rgcd.pUnk, &IID_IDispatch, (LPVOID*)&dispIface)))
    {
2950
      IDispatch_Invoke(dispIface, dispId, &IID_NULL, 0, DISPATCH_METHOD, params, NULL, NULL, NULL);
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      IDispatch_Release(dispIface);
    }
2953
    IUnknown_Release(rgcd.pUnk);
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  }

  IEnumConnections_Release(enumerator);

  return S_OK;
}

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/*************************************************************************
 *  IConnectionPoint_InvokeWithCancel   [SHLWAPI.283]
 */
HRESULT WINAPI IConnectionPoint_InvokeWithCancel( IConnectionPoint* iCP,
                                                  DISPID dispId, DISPPARAMS* dispParams,
                                                  DWORD unknown1, DWORD unknown2 )
{
    IID iid;
    HRESULT result;

    FIXME("(%p)->(0x%x %p %x %x) partial stub\n", iCP, dispId, dispParams, unknown1, unknown2);

    result = IConnectionPoint_GetConnectionInterface(iCP, &iid);
    if (SUCCEEDED(result))
        result = SHLWAPI_InvokeByIID(iCP, &iid, dispId, dispParams);
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    else
        result = SHLWAPI_InvokeByIID(iCP, NULL, dispId, dispParams);
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    return result;
}


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/*************************************************************************
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 *      @	[SHLWAPI.284]
 *
2986
 *  IConnectionPoint_SimpleInvoke
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 */
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HRESULT WINAPI IConnectionPoint_SimpleInvoke(
        IConnectionPoint* iCP,
        DISPID dispId,
        DISPPARAMS* dispParams)
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{
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  IID iid;
  HRESULT result;

  TRACE("(%p)->(0x%x %p)\n",iCP,dispId,dispParams);

  result = IConnectionPoint_GetConnectionInterface(iCP, &iid);
  if (SUCCEEDED(result))
    result = SHLWAPI_InvokeByIID(iCP, &iid, dispId, dispParams);
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  else
    result = SHLWAPI_InvokeByIID(iCP, NULL, dispId, dispParams);
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  return result;
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}

/*************************************************************************
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 *      @	[SHLWAPI.285]
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 *
 * Notify an IConnectionPoint object of changes.
 *
 * PARAMS
 *  lpCP   [I] Object to notify
 *  dispID [I]
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 *
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 * RETURNS
 *  Success: S_OK.
 *  Failure: E_NOINTERFACE, if lpCP is NULL or does not support the
 *           IConnectionPoint interface.
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 */
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HRESULT WINAPI IConnectionPoint_OnChanged(IConnectionPoint* lpCP, DISPID dispID)
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{
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  IEnumConnections *lpEnum;
  HRESULT hRet = E_NOINTERFACE;

3026
  TRACE("(%p,0x%8X)\n", lpCP, dispID);
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  /* Get an enumerator for the connections */
  if (lpCP)
    hRet = IConnectionPoint_EnumConnections(lpCP, &lpEnum);

  if (SUCCEEDED(hRet))
  {
    IPropertyNotifySink *lpSink;
    CONNECTDATA connData;
    ULONG ulFetched;

    /* Call OnChanged() for every notify sink in the connection point */
    while (IEnumConnections_Next(lpEnum, 1, &connData, &ulFetched) == S_OK)
    {
      if (SUCCEEDED(IUnknown_QueryInterface(connData.pUnk, &IID_IPropertyNotifySink, (void**)&lpSink)) &&
          lpSink)
      {
        IPropertyNotifySink_OnChanged(lpSink, dispID);
        IPropertyNotifySink_Release(lpSink);
      }
      IUnknown_Release(connData.pUnk);
    }

    IEnumConnections_Release(lpEnum);
  }
  return hRet;
}

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/*************************************************************************
 *      @	[SHLWAPI.286]
 *
 *  IUnknown_CPContainerInvokeParam
 */
HRESULT WINAPIV IUnknown_CPContainerInvokeParam(
        IUnknown *container,
        REFIID riid,
        DISPID dispId,
        VARIANTARG* buffer,
        DWORD cParams, ...)
{
  HRESULT result;
  IConnectionPoint *iCP;
  IConnectionPointContainer *iCPC;
3070
  DISPPARAMS dispParams = {buffer, NULL, cParams, 0};
3071
  __ms_va_list valist;
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  if (!container)
    return E_NOINTERFACE;

  result = IUnknown_QueryInterface(container, &IID_IConnectionPointContainer,(LPVOID*) &iCPC);
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  if (FAILED(result))
      return result;
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  result = IConnectionPointContainer_FindConnectionPoint(iCPC, riid, &iCP);
  IConnectionPointContainer_Release(iCPC);
  if(FAILED(result))
      return result;
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3085
  __ms_va_start(valist, cParams);
3086
  SHPackDispParamsV(&dispParams, buffer, cParams, valist);
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  __ms_va_end(valist);
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  result = SHLWAPI_InvokeByIID(iCP, riid, dispId, &dispParams);
  IConnectionPoint_Release(iCP);
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  return result;
}

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/*************************************************************************
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 *      @	[SHLWAPI.287]
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 *
 * Notify an IConnectionPointContainer object of changes.
 *
 * PARAMS
 *  lpUnknown [I] Object to notify
 *  dispID    [I]
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_NOINTERFACE, if lpUnknown is NULL or does not support the
 *           IConnectionPointContainer interface.
 */
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HRESULT WINAPI IUnknown_CPContainerOnChanged(IUnknown *lpUnknown, DISPID dispID)
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{
  IConnectionPointContainer* lpCPC = NULL;
  HRESULT hRet = E_NOINTERFACE;

3114
  TRACE("(%p,0x%8X)\n", lpUnknown, dispID);
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  if (lpUnknown)
    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IConnectionPointContainer, (void**)&lpCPC);

  if (SUCCEEDED(hRet))
  {
    IConnectionPoint* lpCP;

    hRet = IConnectionPointContainer_FindConnectionPoint(lpCPC, &IID_IPropertyNotifySink, &lpCP);
    IConnectionPointContainer_Release(lpCPC);

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    hRet = IConnectionPoint_OnChanged(lpCP, dispID);
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    IConnectionPoint_Release(lpCP);
  }
  return hRet;
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}

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/*************************************************************************
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 *      @	[SHLWAPI.289]
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 *
3135
 * See PlaySoundW.
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 */
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BOOL WINAPI PlaySoundWrapW(LPCWSTR pszSound, HMODULE hmod, DWORD fdwSound)
3138
{
3139
    return PlaySoundW(pszSound, hmod, fdwSound);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.294]
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 */
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BOOL WINAPI SHGetIniStringW(LPCWSTR str1, LPCWSTR str2, LPWSTR pStr, DWORD some_len, LPCWSTR lpStr2)
{
    FIXME("(%s,%s,%p,%08x,%s): stub!\n", debugstr_w(str1), debugstr_w(str2),
        pStr, some_len, debugstr_w(lpStr2));
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    return TRUE;
}

/*************************************************************************
 *      @	[SHLWAPI.295]
 *
 * Called by ICQ2000b install via SHDOCVW:
 * str1: "InternetShortcut"
 * x: some unknown pointer
 * str2: "http://free.aol.com/tryaolfree/index.adp?139269"
 * str3: "C:\\WINDOWS\\Desktop.new2\\Free AOL & Unlimited Internet.url"
 *
 * In short: this one maybe creates a desktop link :-)
 */
3163
BOOL WINAPI SHSetIniStringW(LPWSTR str1, LPVOID x, LPWSTR str2, LPWSTR str3)
3164
{
3165
    FIXME("(%s, %p, %s, %s), stub.\n", debugstr_w(str1), x, debugstr_w(str2), debugstr_w(str3));
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    return TRUE;
}

3169
/*************************************************************************
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 *      @	[SHLWAPI.313]
3171
 *
3172
 * See SHGetFileInfoW.
3173
 */
3174
DWORD WINAPI SHGetFileInfoWrapW(LPCWSTR path, DWORD dwFileAttributes,
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                         SHFILEINFOW *psfi, UINT sizeofpsfi, UINT flags)
{
3177
    return SHGetFileInfoW(path, dwFileAttributes, psfi, sizeofpsfi, flags);
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}

/*************************************************************************
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 *      @	[SHLWAPI.318]
3182
 *
3183
 * See DragQueryFileW.
3184
 */
3185
UINT WINAPI DragQueryFileWrapW(HDROP hDrop, UINT lFile, LPWSTR lpszFile, UINT lLength)
3186
{
3187
    return DragQueryFileW(hDrop, lFile, lpszFile, lLength);
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}

/*************************************************************************
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 *      @	[SHLWAPI.333]
3192
 *
3193
 * See SHBrowseForFolderW.
3194
 */
3195
LPITEMIDLIST WINAPI SHBrowseForFolderWrapW(LPBROWSEINFOW lpBi)
3196
{
3197
    return SHBrowseForFolderW(lpBi);
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}

/*************************************************************************
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 *      @	[SHLWAPI.334]
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 *
3203
 * See SHGetPathFromIDListW.
3204
 */
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BOOL WINAPI SHGetPathFromIDListWrapW(LPCITEMIDLIST pidl,LPWSTR pszPath)
3206
{
3207
    return SHGetPathFromIDListW(pidl, pszPath);
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}

/*************************************************************************
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 *      @	[SHLWAPI.335]
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 *
3213
 * See ShellExecuteExW.
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 */
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BOOL WINAPI ShellExecuteExWrapW(LPSHELLEXECUTEINFOW lpExecInfo)
3216
{
3217
    return ShellExecuteExW(lpExecInfo);
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}

/*************************************************************************
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 *      @	[SHLWAPI.336]
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 *
3223
 * See SHFileOperationW.
3224
 */
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INT WINAPI SHFileOperationWrapW(LPSHFILEOPSTRUCTW lpFileOp)
3226
{
3227
    return SHFileOperationW(lpFileOp);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.342]
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 *
 */
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PVOID WINAPI SHInterlockedCompareExchange( PVOID *dest, PVOID xchg, PVOID compare )
3235
{
3236
    return InterlockedCompareExchangePointer( dest, xchg, compare );
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}

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/*************************************************************************
 *      @	[SHLWAPI.350]
 *
3242
 * See GetFileVersionInfoSizeW.
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 */
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DWORD WINAPI GetFileVersionInfoSizeWrapW( LPCWSTR filename, LPDWORD handle )
3245
{
3246
    return GetFileVersionInfoSizeW( filename, handle );
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}

/*************************************************************************
 *      @	[SHLWAPI.351]
 *
3252
 * See GetFileVersionInfoW.
3253
 */
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BOOL  WINAPI GetFileVersionInfoWrapW( LPCWSTR filename, DWORD handle,
                                      DWORD datasize, LPVOID data )
3256
{
3257
    return GetFileVersionInfoW( filename, handle, datasize, data );
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}

/*************************************************************************
 *      @	[SHLWAPI.352]
 *
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 * See VerQueryValueW.
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 */
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WORD WINAPI VerQueryValueWrapW( LPVOID pBlock, LPCWSTR lpSubBlock,
                                LPVOID *lplpBuffer, UINT *puLen )
3267
{
3268
    return VerQueryValueW( pBlock, lpSubBlock, lplpBuffer, puLen );
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}

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#define IsIface(type) SUCCEEDED((hRet = IUnknown_QueryInterface(lpUnknown, &IID_##type, (void**)&lpObj)))
#define IShellBrowser_EnableModeless IShellBrowser_EnableModelessSB
#define EnableModeless(type) type##_EnableModeless((type*)lpObj, bModeless)

/*************************************************************************
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 *      @	[SHLWAPI.355]
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 *
 * Change the modality of a shell object.
 *
 * PARAMS
 *  lpUnknown [I] Object to make modeless
 *  bModeless [I] TRUE=Make modeless, FALSE=Make modal
 *
 * RETURNS
 *  Success: S_OK. The modality lpUnknown is changed.
 *  Failure: An HRESULT error code indicating the error.
 *
 * NOTES
 *  lpUnknown must support the IOleInPlaceFrame interface, the
 *  IInternetSecurityMgrSite interface, the IShellBrowser interface
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 *  the IDocHostUIHandler interface, or the IOleInPlaceActiveObject interface,
 *  or this call will fail.
3293
 */
3294
HRESULT WINAPI IUnknown_EnableModeless(IUnknown *lpUnknown, BOOL bModeless)
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{
  IUnknown *lpObj;
  HRESULT hRet;

  TRACE("(%p,%d)\n", lpUnknown, bModeless);

  if (!lpUnknown)
    return E_FAIL;

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  if (IsIface(IOleInPlaceActiveObject))
    EnableModeless(IOleInPlaceActiveObject);
  else if (IsIface(IOleInPlaceFrame))
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    EnableModeless(IOleInPlaceFrame);
  else if (IsIface(IShellBrowser))
    EnableModeless(IShellBrowser);
  else if (IsIface(IInternetSecurityMgrSite))
    EnableModeless(IInternetSecurityMgrSite);
  else if (IsIface(IDocHostUIHandler))
    EnableModeless(IDocHostUIHandler);
  else
    return hRet;

  IUnknown_Release(lpObj);
  return S_OK;
}

3321
/*************************************************************************
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 *      @	[SHLWAPI.357]
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 *
3324
 * See SHGetNewLinkInfoW.
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 */
3326
BOOL WINAPI SHGetNewLinkInfoWrapW(LPCWSTR pszLinkTo, LPCWSTR pszDir, LPWSTR pszName,
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                        BOOL *pfMustCopy, UINT uFlags)
{
3329
    return SHGetNewLinkInfoW(pszLinkTo, pszDir, pszName, pfMustCopy, uFlags);
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}

/*************************************************************************
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 *      @	[SHLWAPI.358]
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 *
3335
 * See SHDefExtractIconW.
3336
 */
3337
UINT WINAPI SHDefExtractIconWrapW(LPCWSTR pszIconFile, int iIndex, UINT uFlags, HICON* phiconLarge,
3338
                         HICON* phiconSmall, UINT nIconSize)
3339
{
3340
    return SHDefExtractIconW(pszIconFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
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}

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/*************************************************************************
 *      @	[SHLWAPI.363]
 *
 * Get and show a context menu from a shell folder.
 *
 * PARAMS
 *  hWnd           [I] Window displaying the shell folder
 *  lpFolder       [I] IShellFolder interface
 *  lpApidl        [I] Id for the particular folder desired
 *  bInvokeDefault [I] Whether to invoke the default menu item
 *
 * RETURNS
 *  Success: S_OK. If bInvokeDefault is TRUE, the default menu action was
 *           executed.
 *  Failure: An HRESULT error code indicating the error.
 */
3359
HRESULT WINAPI SHInvokeCommand(HWND hWnd, IShellFolder* lpFolder, LPCITEMIDLIST lpApidl, BOOL bInvokeDefault)
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{
  IContextMenu *iContext;
  HRESULT hRet = E_FAIL;

  TRACE("(%p,%p,%p,%d)\n", hWnd, lpFolder, lpApidl, bInvokeDefault);

  if (!lpFolder)
    return hRet;

  /* Get the context menu from the shell folder */
  hRet = IShellFolder_GetUIObjectOf(lpFolder, hWnd, 1, &lpApidl,
                                    &IID_IContextMenu, 0, (void**)&iContext);
  if (SUCCEEDED(hRet))
  {
    HMENU hMenu;
    if ((hMenu = CreatePopupMenu()))
    {
      HRESULT hQuery;
      DWORD dwDefaultId = 0;

      /* Add the context menu entries to the popup */
      hQuery = IContextMenu_QueryContextMenu(iContext, hMenu, 0, 1, 0x7FFF,
                                             bInvokeDefault ? CMF_NORMAL : CMF_DEFAULTONLY);

      if (SUCCEEDED(hQuery))
      {
        if (bInvokeDefault &&
            (dwDefaultId = GetMenuDefaultItem(hMenu, 0, 0)) != 0xFFFFFFFF)
        {
          CMINVOKECOMMANDINFO cmIci;
          /* Invoke the default item */
          memset(&cmIci,0,sizeof(cmIci));
          cmIci.cbSize = sizeof(cmIci);
          cmIci.fMask = CMIC_MASK_ASYNCOK;
          cmIci.hwnd = hWnd;
          cmIci.lpVerb = MAKEINTRESOURCEA(dwDefaultId);
          cmIci.nShow = SW_SCROLLCHILDREN;

          hRet = IContextMenu_InvokeCommand(iContext, &cmIci);
        }
      }
      DestroyMenu(hMenu);
    }
    IContextMenu_Release(iContext);
  }
  return hRet;
}

3408
/*************************************************************************
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 *      @	[SHLWAPI.370]
3410
 *
3411
 * See ExtractIconW.
3412
 */
3413
HICON WINAPI ExtractIconWrapW(HINSTANCE hInstance, LPCWSTR lpszExeFileName,
3414 3415
                         UINT nIconIndex)
{
3416
    return ExtractIconW(hInstance, lpszExeFileName, nIconIndex);
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}

3419
/*************************************************************************
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 *      @	[SHLWAPI.377]
3421
 *
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 * Load a library from the directory of a particular process.
 *
 * PARAMS
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 *  new_mod        [I] Library name
 *  inst_hwnd      [I] Module whose directory is to be used
3427
 *  dwCrossCodePage [I] Should be FALSE (currently ignored)
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 *
 * RETURNS
 *  Success: A handle to the loaded module
 *  Failure: A NULL handle.
 */
3433
HMODULE WINAPI MLLoadLibraryA(LPCSTR new_mod, HMODULE inst_hwnd, DWORD dwCrossCodePage)
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{
  /* FIXME: Native appears to do DPA_Create and a DPA_InsertPtr for
   *        each call here.
   * FIXME: Native shows calls to:
   *  SHRegGetUSValue for "Software\Microsoft\Internet Explorer\International"
   *                      CheckVersion
   *  RegOpenKeyExA for "HKLM\Software\Microsoft\Internet Explorer"
   *  RegQueryValueExA for "LPKInstalled"
   *  RegCloseKey
   *  RegOpenKeyExA for "HKCU\Software\Microsoft\Internet Explorer\International"
   *  RegQueryValueExA for "ResourceLocale"
   *  RegCloseKey
   *  RegOpenKeyExA for "HKLM\Software\Microsoft\Active Setup\Installed Components\{guid}"
   *  RegQueryValueExA for "Locale"
   *  RegCloseKey
   *  and then tests the Locale ("en" for me).
   *     code below
   *  after the code then a DPA_Create (first time) and DPA_InsertPtr are done.
   */
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    CHAR mod_path[2*MAX_PATH];
    LPSTR ptr;
3455
    DWORD len;
3456

3457
    FIXME("(%s,%p,%d) semi-stub!\n", debugstr_a(new_mod), inst_hwnd, dwCrossCodePage);
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    len = GetModuleFileNameA(inst_hwnd, mod_path, sizeof(mod_path));
    if (!len || len >= sizeof(mod_path)) return NULL;

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    ptr = strrchr(mod_path, '\\');
    if (ptr) {
	strcpy(ptr+1, new_mod);
	TRACE("loading %s\n", debugstr_a(mod_path));
3465
	return LoadLibraryA(mod_path);
3466
    }
3467
    return NULL;
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}

/*************************************************************************
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 *      @	[SHLWAPI.378]
3472
 *
3473
 * Unicode version of MLLoadLibraryA.
3474
 */
3475
HMODULE WINAPI MLLoadLibraryW(LPCWSTR new_mod, HMODULE inst_hwnd, DWORD dwCrossCodePage)
3476 3477 3478
{
    WCHAR mod_path[2*MAX_PATH];
    LPWSTR ptr;
3479
    DWORD len;
3480

3481
    FIXME("(%s,%p,%d) semi-stub!\n", debugstr_w(new_mod), inst_hwnd, dwCrossCodePage);
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    len = GetModuleFileNameW(inst_hwnd, mod_path, sizeof(mod_path) / sizeof(WCHAR));
    if (!len || len >= sizeof(mod_path) / sizeof(WCHAR)) return NULL;

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    ptr = strrchrW(mod_path, '\\');
    if (ptr) {
	strcpyW(ptr+1, new_mod);
	TRACE("loading %s\n", debugstr_w(mod_path));
3489
	return LoadLibraryW(mod_path);
3490
    }
3491
    return NULL;
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}

3494
/*************************************************************************
3495
 * ColorAdjustLuma      [SHLWAPI.@]
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 *
 * Adjust the luminosity of a color
 *
 * PARAMS
 *  cRGB         [I] RGB value to convert
 *  dwLuma       [I] Luma adjustment
 *  bUnknown     [I] Unknown
 *
 * RETURNS
 *  The adjusted RGB color.
 */
COLORREF WINAPI ColorAdjustLuma(COLORREF cRGB, int dwLuma, BOOL bUnknown)
{
3509
  TRACE("(0x%8x,%d,%d)\n", cRGB, dwLuma, bUnknown);
3510 3511 3512 3513 3514 3515 3516 3517 3518

  if (dwLuma)
  {
    WORD wH, wL, wS;

    ColorRGBToHLS(cRGB, &wH, &wL, &wS);

    FIXME("Ignoring luma adjustment\n");

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    /* FIXME: The adjustment is not linear */
3520 3521 3522 3523 3524 3525

    cRGB = ColorHLSToRGB(wH, wL, wS);
  }
  return cRGB;
}

3526
/*************************************************************************
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 *      @	[SHLWAPI.389]
3528
 *
3529
 * See GetSaveFileNameW.
3530
 */
3531
BOOL WINAPI GetSaveFileNameWrapW(LPOPENFILENAMEW ofn)
3532
{
3533
    return GetSaveFileNameW(ofn);
3534 3535 3536
}

/*************************************************************************
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 *      @	[SHLWAPI.390]
3538
 *
3539
 * See WNetRestoreConnectionW.
3540
 */
3541
DWORD WINAPI WNetRestoreConnectionWrapW(HWND hwndOwner, LPWSTR lpszDevice)
3542
{
3543
    return WNetRestoreConnectionW(hwndOwner, lpszDevice);
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}

/*************************************************************************
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 *      @	[SHLWAPI.391]
3548
 *
3549
 * See WNetGetLastErrorW.
3550
 */
3551
DWORD WINAPI WNetGetLastErrorWrapW(LPDWORD lpError, LPWSTR lpErrorBuf, DWORD nErrorBufSize,
3552
                         LPWSTR lpNameBuf, DWORD nNameBufSize)
3553
{
3554
    return WNetGetLastErrorW(lpError, lpErrorBuf, nErrorBufSize, lpNameBuf, nNameBufSize);
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}

/*************************************************************************
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 *      @	[SHLWAPI.401]
3559
 *
3560
 * See PageSetupDlgW.
3561
 */
3562
BOOL WINAPI PageSetupDlgWrapW(LPPAGESETUPDLGW pagedlg)
3563
{
3564
    return PageSetupDlgW(pagedlg);
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}

/*************************************************************************
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 *      @	[SHLWAPI.402]
3569
 *
3570
 * See PrintDlgW.
3571
 */
3572
BOOL WINAPI PrintDlgWrapW(LPPRINTDLGW printdlg)
3573
{
3574
    return PrintDlgW(printdlg);
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}

/*************************************************************************
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 *      @	[SHLWAPI.403]
3579
 *
3580
 * See GetOpenFileNameW.
3581
 */
3582
BOOL WINAPI GetOpenFileNameWrapW(LPOPENFILENAMEW ofn)
3583
{
3584
    return GetOpenFileNameW(ofn);
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}

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/*************************************************************************
 *      @	[SHLWAPI.404]
 */
3590
HRESULT WINAPI SHIShellFolder_EnumObjects(LPSHELLFOLDER lpFolder, HWND hwnd, SHCONTF flags, IEnumIDList **ppenum)
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{
    IPersist *persist;
    HRESULT hr;

    hr = IShellFolder_QueryInterface(lpFolder, &IID_IPersist, (LPVOID)&persist);
    if(SUCCEEDED(hr))
    {
        CLSID clsid;
        hr = IPersist_GetClassID(persist, &clsid);
        if(SUCCEEDED(hr))
        {
            if(IsEqualCLSID(&clsid, &CLSID_ShellFSFolder))
                hr = IShellFolder_EnumObjects(lpFolder, hwnd, flags, ppenum);
            else
                hr = E_FAIL;
        }
        IPersist_Release(persist);
    }
    return hr;
}

3612
/* INTERNAL: Map from HLS color space to RGB */
3613
static WORD ConvertHue(int wHue, WORD wMid1, WORD wMid2)
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{
  wHue = wHue > 240 ? wHue - 240 : wHue < 0 ? wHue + 240 : wHue;

  if (wHue > 160)
    return wMid1;
  else if (wHue > 120)
    wHue = 160 - wHue;
  else if (wHue > 40)
    return wMid2;

  return ((wHue * (wMid2 - wMid1) + 20) / 40) + wMid1;
}

/* Convert to RGB and scale into RGB range (0..255) */
#define GET_RGB(h) (ConvertHue(h, wMid1, wMid2) * 255 + 120) / 240

/*************************************************************************
3631
 *      ColorHLSToRGB	[SHLWAPI.@]
3632
 *
3633 3634 3635 3636 3637 3638 3639 3640 3641
 * Convert from hls color space into an rgb COLORREF.
 *
 * PARAMS
 *  wHue        [I] Hue amount
 *  wLuminosity [I] Luminosity amount
 *  wSaturation [I] Saturation amount
 *
 * RETURNS
 *  A COLORREF representing the converted color.
3642 3643
 *
 * NOTES
3644
 *  Input hls values are constrained to the range (0..240).
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 */
COLORREF WINAPI ColorHLSToRGB(WORD wHue, WORD wLuminosity, WORD wSaturation)
{
  WORD wRed;

  if (wSaturation)
  {
    WORD wGreen, wBlue, wMid1, wMid2;

    if (wLuminosity > 120)
      wMid2 = wSaturation + wLuminosity - (wSaturation * wLuminosity + 120) / 240;
    else
      wMid2 = ((wSaturation + 240) * wLuminosity + 120) / 240;

    wMid1 = wLuminosity * 2 - wMid2;

    wRed   = GET_RGB(wHue + 80);
    wGreen = GET_RGB(wHue);
    wBlue  = GET_RGB(wHue - 80);

    return RGB(wRed, wGreen, wBlue);
  }

  wRed = wLuminosity * 255 / 240;
  return RGB(wRed, wRed, wRed);
}

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/*************************************************************************
 *      @	[SHLWAPI.413]
 *
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 * Get the current docking status of the system.
 *
 * PARAMS
 *  dwFlags [I] DOCKINFO_ flags from "winbase.h", unused
 *
 * RETURNS
 *  One of DOCKINFO_UNDOCKED, DOCKINFO_UNDOCKED, or 0 if the system is not
 *  a notebook.
3683
 */
3684
DWORD WINAPI SHGetMachineInfo(DWORD dwFlags)
3685
{
3686 3687
  HW_PROFILE_INFOA hwInfo;

3688
  TRACE("(0x%08x)\n", dwFlags);
3689 3690 3691 3692 3693 3694 3695 3696 3697 3698

  GetCurrentHwProfileA(&hwInfo);
  switch (hwInfo.dwDockInfo & (DOCKINFO_DOCKED|DOCKINFO_UNDOCKED))
  {
  case DOCKINFO_DOCKED:
  case DOCKINFO_UNDOCKED:
    return hwInfo.dwDockInfo & (DOCKINFO_DOCKED|DOCKINFO_UNDOCKED);
  default:
    return 0;
  }
3699 3700
}

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/*************************************************************************
 *      @	[SHLWAPI.418]
 *
 * Function seems to do FreeLibrary plus other things.
 *
 * FIXME native shows the following calls:
 *   RtlEnterCriticalSection
 *   LocalFree
 *   GetProcAddress(Comctl32??, 150L)
 *   DPA_DeletePtr
 *   RtlLeaveCriticalSection
 *  followed by the FreeLibrary.
 *  The above code may be related to .377 above.
 */
3715
BOOL WINAPI MLFreeLibrary(HMODULE hModule)
3716
{
3717 3718
	FIXME("(%p) semi-stub\n", hModule);
	return FreeLibrary(hModule);
3719 3720
}

3721 3722 3723 3724 3725 3726 3727 3728
/*************************************************************************
 *      @	[SHLWAPI.419]
 */
BOOL WINAPI SHFlushSFCacheWrap(void) {
  FIXME(": stub\n");
  return TRUE;
}

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/*************************************************************************
 *      @      [SHLWAPI.429]
 * FIXME I have no idea what this function does or what its arguments are.
 */
BOOL WINAPI MLIsMLHInstance(HINSTANCE hInst)
{
       FIXME("(%p) stub\n", hInst);
       return FALSE;
}


3740 3741 3742
/*************************************************************************
 *      @	[SHLWAPI.430]
 */
3743
DWORD WINAPI MLSetMLHInstance(HINSTANCE hInst, HANDLE hHeap)
3744
{
3745
	FIXME("(%p,%p) stub\n", hInst, hHeap);
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	return E_FAIL;   /* This is what is used if shlwapi not loaded */
}

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/*************************************************************************
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 *      @	[SHLWAPI.431]
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 */
3752
DWORD WINAPI MLClearMLHInstance(DWORD x)
3753
{
3754
	FIXME("(0x%08x)stub\n", x);
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	return 0xabba1247;
}

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/*************************************************************************
 * @ [SHLWAPI.432]
 *
 * See SHSendMessageBroadcastW
 *
 */
DWORD WINAPI SHSendMessageBroadcastA(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    return SendMessageTimeoutA(HWND_BROADCAST, uMsg, wParam, lParam,
                               SMTO_ABORTIFHUNG, 2000, NULL);
}

/*************************************************************************
 * @ [SHLWAPI.433]
 *
 * A wrapper for sending Broadcast Messages to all top level Windows
 *
 */
DWORD WINAPI SHSendMessageBroadcastW(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    return SendMessageTimeoutW(HWND_BROADCAST, uMsg, wParam, lParam,
                               SMTO_ABORTIFHUNG, 2000, NULL);
}

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/*************************************************************************
 *      @	[SHLWAPI.436]
 *
3785
 * Convert a Unicode string CLSID into a CLSID.
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 *
 * PARAMS
 *  idstr      [I]   string containing a CLSID in text form
 *  id         [O]   CLSID extracted from the string
 *
 * RETURNS
 *  S_OK on success or E_INVALIDARG on failure
3793
 */
3794
HRESULT WINAPI CLSIDFromStringWrap(LPCWSTR idstr, CLSID *id)
3795
{
3796
    return CLSIDFromString((LPOLESTR)idstr, id);
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}

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/*************************************************************************
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 *      @	[SHLWAPI.437]
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 *
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 * Determine if the OS supports a given feature.
 *
 * PARAMS
 *  dwFeature [I] Feature requested (undocumented)
 *
 * RETURNS
 *  TRUE  If the feature is available.
 *  FALSE If the feature is not available.
3810
 */
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BOOL WINAPI IsOS(DWORD feature)
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{
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    OSVERSIONINFOA osvi;
    DWORD platform, majorv, minorv;

    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
    if(!GetVersionExA(&osvi))  {
3818
        ERR("GetVersionEx failed\n");
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        return FALSE;
    }

    majorv = osvi.dwMajorVersion;
    minorv = osvi.dwMinorVersion;
    platform = osvi.dwPlatformId;

#define ISOS_RETURN(x) \
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    TRACE("(0x%x) ret=%d\n",feature,(x)); \
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    return (x);

    switch(feature)  {
    case OS_WIN32SORGREATER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32s
                 || platform == VER_PLATFORM_WIN32_WINDOWS)
    case OS_NT:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT)
    case OS_WIN95ORGREATER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_WINDOWS)
    case OS_NT4ORGREATER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && majorv >= 4)
    case OS_WIN2000ORGREATER_ALT:
    case OS_WIN2000ORGREATER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && majorv >= 5)
    case OS_WIN98ORGREATER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_WINDOWS && minorv >= 10)
    case OS_WIN98_GOLD:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_WINDOWS && minorv == 10)
    case OS_WIN2000PRO:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && majorv >= 5)
    case OS_WIN2000SERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && (minorv == 0 || minorv == 1))
    case OS_WIN2000ADVSERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && (minorv == 0 || minorv == 1))
    case OS_WIN2000DATACENTER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && (minorv == 0 || minorv == 1))
    case OS_WIN2000TERMINAL:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && (minorv == 0 || minorv == 1))
    case OS_EMBEDDED:
        FIXME("(OS_EMBEDDED) What should we return here?\n");
        return FALSE;
    case OS_TERMINALCLIENT:
        FIXME("(OS_TERMINALCLIENT) What should we return here?\n");
        return FALSE;
    case OS_TERMINALREMOTEADMIN:
        FIXME("(OS_TERMINALREMOTEADMIN) What should we return here?\n");
        return FALSE;
    case OS_WIN95_GOLD:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_WINDOWS && minorv == 0)
    case OS_MEORGREATER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_WINDOWS && minorv >= 90)
    case OS_XPORGREATER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && majorv >= 5 && minorv >= 1)
    case OS_HOME:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && majorv >= 5 && minorv >= 1)
    case OS_PROFESSIONAL:
3875
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT)
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    case OS_DATACENTER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT)
    case OS_ADVSERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && majorv >= 5)
    case OS_SERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT)
    case OS_TERMINALSERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT)
    case OS_PERSONALTERMINALSERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT && minorv >= 1 && majorv >= 5)
    case OS_FASTUSERSWITCHING:
        FIXME("(OS_FASTUSERSWITCHING) What should we return here?\n");
        return TRUE;
    case OS_WELCOMELOGONUI:
        FIXME("(OS_WELCOMELOGONUI) What should we return here?\n");
        return FALSE;
    case OS_DOMAINMEMBER:
        FIXME("(OS_DOMAINMEMBER) What should we return here?\n");
        return TRUE;
    case OS_ANYSERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT)
    case OS_WOW6432:
        FIXME("(OS_WOW6432) Should we check this?\n");
        return FALSE;
    case OS_WEBSERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT)
    case OS_SMALLBUSINESSSERVER:
        ISOS_RETURN(platform == VER_PLATFORM_WIN32_NT)
    case OS_TABLETPC:
        FIXME("(OS_TABLEPC) What should we return here?\n");
        return FALSE;
    case OS_SERVERADMINUI:
        FIXME("(OS_SERVERADMINUI) What should we return here?\n");
        return FALSE;
    case OS_MEDIACENTER:
        FIXME("(OS_MEDIACENTER) What should we return here?\n");
        return FALSE;
    case OS_APPLIANCE:
        FIXME("(OS_APPLIANCE) What should we return here?\n");
        return FALSE;
    }

#undef ISOS_RETURN

3920
    WARN("(0x%x) unknown parameter\n",feature);
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    return FALSE;
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}

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/*************************************************************************
 * @  [SHLWAPI.439]
 */
HRESULT WINAPI SHLoadRegUIStringW(HKEY hkey, LPCWSTR value, LPWSTR buf, DWORD size)
{
    DWORD type, sz = size;

    if(RegQueryValueExW(hkey, value, NULL, &type, (LPBYTE)buf, &sz) != ERROR_SUCCESS)
        return E_FAIL;

    return SHLoadIndirectString(buf, buf, size, NULL);
}

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/*************************************************************************
 * @  [SHLWAPI.478]
 *
 * Call IInputObject_TranslateAcceleratorIO() on an object.
 *
 * PARAMS
 *  lpUnknown [I] Object supporting the IInputObject interface.
 *  lpMsg     [I] Key message to be processed.
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: An HRESULT error code, or E_INVALIDARG if lpUnknown is NULL.
 */
HRESULT WINAPI IUnknown_TranslateAcceleratorIO(IUnknown *lpUnknown, LPMSG lpMsg)
{
  IInputObject* lpInput = NULL;
  HRESULT hRet = E_INVALIDARG;

  TRACE("(%p,%p)\n", lpUnknown, lpMsg);
  if (lpUnknown)
  {
    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IInputObject,
                                   (void**)&lpInput);
    if (SUCCEEDED(hRet) && lpInput)
    {
      hRet = IInputObject_TranslateAcceleratorIO(lpInput, lpMsg);
      IInputObject_Release(lpInput);
    }
  }
  return hRet;
}

/*************************************************************************
 * @  [SHLWAPI.481]
 *
 * Call IInputObject_HasFocusIO() on an object.
 *
 * PARAMS
 *  lpUnknown [I] Object supporting the IInputObject interface.
 *
 * RETURNS
 *  Success: S_OK, if lpUnknown is an IInputObject object and has the focus,
 *           or S_FALSE otherwise.
 *  Failure: An HRESULT error code, or E_INVALIDARG if lpUnknown is NULL.
 */
HRESULT WINAPI IUnknown_HasFocusIO(IUnknown *lpUnknown)
{
  IInputObject* lpInput = NULL;
  HRESULT hRet = E_INVALIDARG;

  TRACE("(%p)\n", lpUnknown);
  if (lpUnknown)
  {
    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IInputObject,
                                   (void**)&lpInput);
    if (SUCCEEDED(hRet) && lpInput)
    {
      hRet = IInputObject_HasFocusIO(lpInput);
      IInputObject_Release(lpInput);
    }
  }
  return hRet;
}

4002
/*************************************************************************
4003
 *      ColorRGBToHLS	[SHLWAPI.@]
4004
 *
4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015
 * Convert an rgb COLORREF into the hls color space.
 *
 * PARAMS
 *  cRGB         [I] Source rgb value
 *  pwHue        [O] Destination for converted hue
 *  pwLuminance  [O] Destination for converted luminance
 *  pwSaturation [O] Destination for converted saturation
 *
 * RETURNS
 *  Nothing. pwHue, pwLuminance and pwSaturation are set to the converted
 *  values.
4016 4017
 *
 * NOTES
4018 4019
 *  Output HLS values are constrained to the range (0..240).
 *  For Achromatic conversions, Hue is set to 160.
4020
 */
4021 4022
VOID WINAPI ColorRGBToHLS(COLORREF cRGB, LPWORD pwHue,
			  LPWORD pwLuminance, LPWORD pwSaturation)
4023
{
4024 4025
  int wR, wG, wB, wMax, wMin, wHue, wLuminosity, wSaturation;

4026
  TRACE("(%08x,%p,%p,%p)\n", cRGB, pwHue, pwLuminance, pwSaturation);
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  wR = GetRValue(cRGB);
  wG = GetGValue(cRGB);
  wB = GetBValue(cRGB);

  wMax = max(wR, max(wG, wB));
  wMin = min(wR, min(wG, wB));

  /* Luminosity */
  wLuminosity = ((wMax + wMin) * 240 + 255) / 510;

  if (wMax == wMin)
  {
    /* Achromatic case */
    wSaturation = 0;
    /* Hue is now unrepresentable, but this is what native returns... */
    wHue = 160;
  }
  else
  {
    /* Chromatic case */
    int wDelta = wMax - wMin, wRNorm, wGNorm, wBNorm;

    /* Saturation */
    if (wLuminosity <= 120)
      wSaturation = ((wMax + wMin)/2 + wDelta * 240) / (wMax + wMin);
    else
      wSaturation = ((510 - wMax - wMin)/2 + wDelta * 240) / (510 - wMax - wMin);

    /* Hue */
    wRNorm = (wDelta/2 + wMax * 40 - wR * 40) / wDelta;
    wGNorm = (wDelta/2 + wMax * 40 - wG * 40) / wDelta;
    wBNorm = (wDelta/2 + wMax * 40 - wB * 40) / wDelta;

    if (wR == wMax)
      wHue = wBNorm - wGNorm;
    else if (wG == wMax)
      wHue = 80 + wRNorm - wBNorm;
    else
      wHue = 160 + wGNorm - wRNorm;
    if (wHue < 0)
      wHue += 240;
    else if (wHue > 240)
      wHue -= 240;
  }
  if (pwHue)
    *pwHue = wHue;
  if (pwLuminance)
    *pwLuminance = wLuminosity;
  if (pwSaturation)
    *pwSaturation = wSaturation;
4078 4079
}

4080 4081 4082 4083 4084 4085 4086 4087 4088
/*************************************************************************
 *      SHCreateShellPalette	[SHLWAPI.@]
 */
HPALETTE WINAPI SHCreateShellPalette(HDC hdc)
{
	FIXME("stub\n");
	return CreateHalftonePalette(hdc);
}

4089
/*************************************************************************
4090
 *	SHGetInverseCMAP (SHLWAPI.@)
4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109
 *
 * Get an inverse color map table.
 *
 * PARAMS
 *  lpCmap  [O] Destination for color map
 *  dwSize  [I] Size of memory pointed to by lpCmap
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: E_POINTER,    If lpCmap is invalid.
 *           E_INVALIDARG, If dwFlags is invalid
 *           E_OUTOFMEMORY, If there is no memory available
 *
 * NOTES
 *  dwSize may only be CMAP_PTR_SIZE (4) or CMAP_SIZE (8192).
 *  If dwSize = CMAP_PTR_SIZE, *lpCmap is set to the address of this DLL's
 *  internal CMap.
 *  If dwSize = CMAP_SIZE, lpCmap is filled with a copy of the data from
 *  this DLL's internal CMap.
4110
 */
4111
HRESULT WINAPI SHGetInverseCMAP(LPDWORD dest, DWORD dwSize)
4112
{
4113
    if (dwSize == 4) {
4114
	FIXME(" - returning bogus address for SHGetInverseCMAP\n");
4115
	*dest = (DWORD)0xabba1249;
4116
	return 0;
4117
    }
4118
    FIXME("(%p, %#x) stub\n", dest, dwSize);
4119
    return 0;
4120 4121
}

4122 4123
/*************************************************************************
 *      SHIsLowMemoryMachine	[SHLWAPI.@]
4124 4125 4126 4127 4128 4129 4130 4131 4132
 *
 * Determine if the current computer has low memory.
 *
 * PARAMS
 *  x [I] FIXME
 *
 * RETURNS
 *  TRUE if the users machine has 16 Megabytes of memory or less,
 *  FALSE otherwise.
4133
 */
4134
BOOL WINAPI SHIsLowMemoryMachine (DWORD x)
4135
{
4136
  FIXME("(0x%08x) stub\n", x);
4137
  return FALSE;
4138
}
4139 4140 4141

/*************************************************************************
 *      GetMenuPosFromID	[SHLWAPI.@]
4142 4143 4144 4145 4146 4147 4148 4149 4150 4151
 *
 * Return the position of a menu item from its Id.
 *
 * PARAMS
 *   hMenu [I] Menu containing the item
 *   wID   [I] Id of the menu item
 *
 * RETURNS
 *  Success: The index of the menu item in hMenu.
 *  Failure: -1, If the item is not found.
4152 4153 4154
 */
INT WINAPI GetMenuPosFromID(HMENU hMenu, UINT wID)
{
4155
 MENUITEMINFOW mi;
4156 4157 4158 4159
 INT nCount = GetMenuItemCount(hMenu), nIter = 0;

 while (nIter < nCount)
 {
4160 4161 4162
   mi.cbSize = sizeof(mi);
   mi.fMask = MIIM_ID;
   if (GetMenuItemInfoW(hMenu, nIter, TRUE, &mi) && mi.wID == wID)
4163 4164 4165 4166 4167
     return nIter;
   nIter++;
 }
 return -1;
}
4168

4169 4170 4171 4172 4173 4174 4175 4176 4177 4178
/*************************************************************************
 *      @	[SHLWAPI.179]
 *
 * Same as SHLWAPI.GetMenuPosFromID
 */
DWORD WINAPI SHMenuIndexFromID(HMENU hMenu, UINT uID)
{
    return GetMenuPosFromID(hMenu, uID);
}

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/*************************************************************************
 *      @	[SHLWAPI.448]
 */
VOID WINAPI FixSlashesAndColonW(LPWSTR lpwstr)
{
    while (*lpwstr)
    {
        if (*lpwstr == '/')
            *lpwstr = '\\';
        lpwstr++;
    }
}


/*************************************************************************
 *      @	[SHLWAPI.461]
 */
4197
DWORD WINAPI SHGetAppCompatFlags(DWORD dwUnknown)
4198
{
4199
  FIXME("(0x%08x) stub\n", dwUnknown);
4200 4201 4202 4203
  return 0;
}


4204 4205 4206 4207 4208 4209 4210 4211 4212
/*************************************************************************
 *      @	[SHLWAPI.549]
 */
HRESULT WINAPI SHCoCreateInstanceAC(REFCLSID rclsid, LPUNKNOWN pUnkOuter,
                                    DWORD dwClsContext, REFIID iid, LPVOID *ppv)
{
    return CoCreateInstance(rclsid, pUnkOuter, dwClsContext, iid, ppv);
}

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/*************************************************************************
 * SHSkipJunction	[SHLWAPI.@]
 *
 * Determine if a bind context can be bound to an object
 *
 * PARAMS
 *  pbc    [I] Bind context to check
 *  pclsid [I] CLSID of object to be bound to
 *
 * RETURNS
 *  TRUE: If it is safe to bind
 *  FALSE: If pbc is invalid or binding would not be safe
 *
 */
BOOL WINAPI SHSkipJunction(IBindCtx *pbc, const CLSID *pclsid)
{
4229
  static WCHAR szSkipBinding[] = { 'S','k','i','p',' ',
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    'B','i','n','d','i','n','g',' ','C','L','S','I','D','\0' };
  BOOL bRet = FALSE;

  if (pbc)
  {
    IUnknown* lpUnk;

4237
    if (SUCCEEDED(IBindCtx_GetObjectParam(pbc, szSkipBinding, &lpUnk)))
4238 4239 4240
    {
      CLSID clsid;

4241
      if (SUCCEEDED(IUnknown_GetClassID(lpUnk, &clsid)) &&
4242 4243 4244 4245 4246 4247 4248 4249
          IsEqualGUID(pclsid, &clsid))
        bRet = TRUE;

      IUnknown_Release(lpUnk);
    }
  }
  return bRet;
}
4250

4251 4252 4253
/***********************************************************************
 *		SHGetShellKey (SHLWAPI.@)
 */
4254 4255
DWORD WINAPI SHGetShellKey(DWORD a, DWORD b, DWORD c)
{
4256
    FIXME("(%x, %x, %x): stub\n", a, b, c);
4257 4258 4259
    return 0x50;
}

4260 4261 4262
/***********************************************************************
 *		SHQueueUserWorkItem (SHLWAPI.@)
 */
4263 4264 4265
BOOL WINAPI SHQueueUserWorkItem(LPTHREAD_START_ROUTINE pfnCallback, 
        LPVOID pContext, LONG lPriority, DWORD_PTR dwTag,
        DWORD_PTR *pdwId, LPCSTR pszModule, DWORD dwFlags)
4266
{
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    TRACE("(%p, %p, %d, %lx, %p, %s, %08x)\n", pfnCallback, pContext,
          lPriority, dwTag, pdwId, debugstr_a(pszModule), dwFlags);

    if(lPriority || dwTag || pdwId || pszModule || dwFlags)
        FIXME("Unsupported arguments\n");

    return QueueUserWorkItem(pfnCallback, pContext, 0);
4274 4275
}

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/***********************************************************************
 *		SHSetTimerQueueTimer (SHLWAPI.263)
 */
HANDLE WINAPI SHSetTimerQueueTimer(HANDLE hQueue,
        WAITORTIMERCALLBACK pfnCallback, LPVOID pContext, DWORD dwDueTime,
        DWORD dwPeriod, LPCSTR lpszLibrary, DWORD dwFlags)
{
    HANDLE hNewTimer;

    /* SHSetTimerQueueTimer flags -> CreateTimerQueueTimer flags */
    if (dwFlags & TPS_LONGEXECTIME) {
        dwFlags &= ~TPS_LONGEXECTIME;
        dwFlags |= WT_EXECUTELONGFUNCTION;
    }
    if (dwFlags & TPS_EXECUTEIO) {
        dwFlags &= ~TPS_EXECUTEIO;
        dwFlags |= WT_EXECUTEINIOTHREAD;
    }

    if (!CreateTimerQueueTimer(&hNewTimer, hQueue, pfnCallback, pContext,
                               dwDueTime, dwPeriod, dwFlags))
        return NULL;

    return hNewTimer;
}

4302 4303 4304
/***********************************************************************
 *		IUnknown_OnFocusChangeIS (SHLWAPI.@)
 */
4305
HRESULT WINAPI IUnknown_OnFocusChangeIS(LPUNKNOWN lpUnknown, LPUNKNOWN pFocusObject, BOOL bFocus)
4306
{
4307 4308
    IInputObjectSite *pIOS = NULL;
    HRESULT hRet = E_INVALIDARG;
4309

4310
    TRACE("(%p, %p, %s)\n", lpUnknown, pFocusObject, bFocus ? "TRUE" : "FALSE");
4311

4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322
    if (lpUnknown)
    {
        hRet = IUnknown_QueryInterface(lpUnknown, &IID_IInputObjectSite,
                                       (void **)&pIOS);
        if (SUCCEEDED(hRet) && pIOS)
        {
            hRet = IInputObjectSite_OnFocusChangeIS(pIOS, pFocusObject, bFocus);
            IInputObjectSite_Release(pIOS);
        }
    }
    return hRet;
4323 4324
}

4325 4326 4327
/***********************************************************************
 *		SHGetValueW (SHLWAPI.@)
 */
4328 4329
HRESULT WINAPI SKGetValueW(DWORD a, LPWSTR b, LPWSTR c, DWORD d, DWORD e, DWORD f)
{
4330
    FIXME("(%x, %s, %s, %x, %x, %x): stub\n", a, debugstr_w(b), debugstr_w(c), d, e, f);
4331 4332
    return E_FAIL;
}
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typedef HRESULT (WINAPI *DllGetVersion_func)(DLLVERSIONINFO *);

/***********************************************************************
 *              GetUIVersion (SHLWAPI.452)
 */
DWORD WINAPI GetUIVersion(void)
{
    static DWORD version;

    if (!version)
    {
        DllGetVersion_func pDllGetVersion;
        HMODULE dll = LoadLibraryA("shell32.dll");
        if (!dll) return 0;

        pDllGetVersion = (DllGetVersion_func)GetProcAddress(dll, "DllGetVersion");
        if (pDllGetVersion)
        {
            DLLVERSIONINFO dvi;
            dvi.cbSize = sizeof(DLLVERSIONINFO);
            if (pDllGetVersion(&dvi) == S_OK) version = dvi.dwMajorVersion;
        }
        FreeLibrary( dll );
        if (!version) version = 3;  /* old shell dlls don't have DllGetVersion */
    }
    return version;
}
4361 4362 4363 4364

/***********************************************************************
 *              ShellMessageBoxWrapW [SHLWAPI.388]
 *
4365
 * See shell32.ShellMessageBoxW
4366
 *
4367 4368 4369 4370 4371
 * NOTE:
 * shlwapi.ShellMessageBoxWrapW is a duplicate of shell32.ShellMessageBoxW
 * because we can't forward to it in the .spec file since it's exported by
 * ordinal. If you change the implementation here please update the code in
 * shell32 as well.
4372
 */
4373 4374
INT WINAPIV ShellMessageBoxWrapW(HINSTANCE hInstance, HWND hWnd, LPCWSTR lpText,
                                 LPCWSTR lpCaption, UINT uType, ...)
4375
{
4376 4377 4378
    WCHAR szText[100], szTitle[100];
    LPCWSTR pszText = szText, pszTitle = szTitle;
    LPWSTR pszTemp;
4379
    __ms_va_list args;
4380 4381
    int ret;

4382
    __ms_va_start(args, uType);
4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398

    TRACE("(%p,%p,%p,%p,%08x)\n", hInstance, hWnd, lpText, lpCaption, uType);

    if (IS_INTRESOURCE(lpCaption))
        LoadStringW(hInstance, LOWORD(lpCaption), szTitle, sizeof(szTitle)/sizeof(szTitle[0]));
    else
        pszTitle = lpCaption;

    if (IS_INTRESOURCE(lpText))
        LoadStringW(hInstance, LOWORD(lpText), szText, sizeof(szText)/sizeof(szText[0]));
    else
        pszText = lpText;

    FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
                   pszText, 0, 0, (LPWSTR)&pszTemp, 0, &args);

4399
    __ms_va_end(args);
4400 4401

    ret = MessageBoxW(hWnd, pszTemp, pszTitle, uType);
4402
    LocalFree(pszTemp);
4403
    return ret;
4404
}
4405 4406 4407 4408

HRESULT WINAPI IUnknown_QueryServiceExec(IUnknown *unk, REFIID service, REFIID clsid,
                                         DWORD x1, DWORD x2, DWORD x3, void **ppvOut)
{
4409
    FIXME("%p %s %s %08x %08x %08x %p\n", unk,
4410 4411 4412
          debugstr_guid(service), debugstr_guid(clsid), x1, x2, x3, ppvOut);
    return E_NOTIMPL;
}
4413 4414 4415 4416 4417 4418

HRESULT WINAPI IUnknown_ProfferService(IUnknown *unk, void *x0, void *x1, void *x2)
{
    FIXME("%p %p %p %p\n", unk, x0, x1, x2);
    return E_NOTIMPL;
}
4419 4420 4421 4422 4423 4424 4425 4426 4427

/***********************************************************************
 *              ZoneComputePaneSize [SHLWAPI.382]
 */
UINT WINAPI ZoneComputePaneSize(HWND hwnd)
{
    FIXME("\n");
    return 0x95;
}
4428

4429 4430 4431 4432
/***********************************************************************
 *              SHChangeNotifyWrap [SHLWAPI.394]
 */
void WINAPI SHChangeNotifyWrap(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2)
4433
{
4434
    SHChangeNotify(wEventId, uFlags, dwItem1, dwItem2);
4435
}
4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468

typedef struct SHELL_USER_SID {   /* according to MSDN this should be in shlobj.h... */
    SID_IDENTIFIER_AUTHORITY sidAuthority;
    DWORD                    dwUserGroupID;
    DWORD                    dwUserID;
} SHELL_USER_SID, *PSHELL_USER_SID;

typedef struct SHELL_USER_PERMISSION { /* ...and this should be in shlwapi.h */
    SHELL_USER_SID susID;
    DWORD          dwAccessType;
    BOOL           fInherit;
    DWORD          dwAccessMask;
    DWORD          dwInheritMask;
    DWORD          dwInheritAccessMask;
} SHELL_USER_PERMISSION, *PSHELL_USER_PERMISSION;

/***********************************************************************
 *             GetShellSecurityDescriptor [SHLWAPI.475]
 *
 * prepares SECURITY_DESCRIPTOR from a set of ACEs
 *
 * PARAMS
 *  apUserPerm [I] array of pointers to SHELL_USER_PERMISSION structures,
 *                 each of which describes permissions to apply
 *  cUserPerm  [I] number of entries in apUserPerm array
 *
 * RETURNS
 *  success: pointer to SECURITY_DESCRIPTOR
 *  failure: NULL
 *
 * NOTES
 *  Call should free returned descriptor with LocalFree
 */
4469
PSECURITY_DESCRIPTOR WINAPI GetShellSecurityDescriptor(PSHELL_USER_PERMISSION *apUserPerm, int cUserPerm)
4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508
{
    PSID *sidlist;
    PSID  cur_user = NULL;
    BYTE  tuUser[2000];
    DWORD acl_size;
    int   sid_count, i;
    PSECURITY_DESCRIPTOR psd = NULL;

    TRACE("%p %d\n", apUserPerm, cUserPerm);

    if (apUserPerm == NULL || cUserPerm <= 0)
        return NULL;

    sidlist = HeapAlloc(GetProcessHeap(), 0, cUserPerm * sizeof(PSID));
    if (!sidlist)
        return NULL;

    acl_size = sizeof(ACL);

    for(sid_count = 0; sid_count < cUserPerm; sid_count++)
    {
        static SHELL_USER_SID null_sid = {{SECURITY_NULL_SID_AUTHORITY}, 0, 0};
        PSHELL_USER_PERMISSION perm = apUserPerm[sid_count];
        PSHELL_USER_SID sid = &perm->susID;
        PSID pSid;
        BOOL ret = TRUE;

        if (!memcmp((void*)sid, (void*)&null_sid, sizeof(SHELL_USER_SID)))
        {  /* current user's SID */ 
            if (!cur_user)
            {
                HANDLE Token;
                DWORD bufsize = sizeof(tuUser);

                ret = OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &Token);
                if (ret)
                {
                    ret = GetTokenInformation(Token, TokenUser, (void*)tuUser, bufsize, &bufsize );
                    if (ret)
4509
                        cur_user = ((PTOKEN_USER)tuUser)->User.Sid;
4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583
                    CloseHandle(Token);
                }
            }
            pSid = cur_user;
        } else if (sid->dwUserID==0) /* one sub-authority */
            ret = AllocateAndInitializeSid(&sid->sidAuthority, 1, sid->dwUserGroupID, 0,
                    0, 0, 0, 0, 0, 0, &pSid);
        else
            ret = AllocateAndInitializeSid(&sid->sidAuthority, 2, sid->dwUserGroupID, sid->dwUserID,
                    0, 0, 0, 0, 0, 0, &pSid);
        if (!ret)
            goto free_sids;

        sidlist[sid_count] = pSid;
        /* increment acl_size (1 ACE for non-inheritable and 2 ACEs for inheritable records */
        acl_size += (sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + GetLengthSid(pSid)) * (perm->fInherit ? 2 : 1);
    }

    psd = LocalAlloc(0, sizeof(SECURITY_DESCRIPTOR) + acl_size);

    if (psd != NULL)
    {
        PACL pAcl = (PACL)(((BYTE*)psd)+sizeof(SECURITY_DESCRIPTOR));

        if (!InitializeSecurityDescriptor(psd, SECURITY_DESCRIPTOR_REVISION))
            goto error;

        if (!InitializeAcl(pAcl, acl_size, ACL_REVISION))
            goto error;

        for(i = 0; i < sid_count; i++)
        {
            PSHELL_USER_PERMISSION sup = apUserPerm[i];
            PSID sid = sidlist[i];

            switch(sup->dwAccessType)
            {
                case ACCESS_ALLOWED_ACE_TYPE:
                    if (!AddAccessAllowedAce(pAcl, ACL_REVISION, sup->dwAccessMask, sid))
                        goto error;
                    if (sup->fInherit && !AddAccessAllowedAceEx(pAcl, ACL_REVISION, 
                                (BYTE)sup->dwInheritMask, sup->dwInheritAccessMask, sid))
                        goto error;
                    break;
                case ACCESS_DENIED_ACE_TYPE:
                    if (!AddAccessDeniedAce(pAcl, ACL_REVISION, sup->dwAccessMask, sid))
                        goto error;
                    if (sup->fInherit && !AddAccessDeniedAceEx(pAcl, ACL_REVISION, 
                                (BYTE)sup->dwInheritMask, sup->dwInheritAccessMask, sid))
                        goto error;
                    break;
                default:
                    goto error;
            }
        }

        if (!SetSecurityDescriptorDacl(psd, TRUE, pAcl, FALSE))
            goto error;
    }
    goto free_sids;

error:
    LocalFree(psd);
    psd = NULL;
free_sids:
    for(i = 0; i < sid_count; i++)
    {
        if (!cur_user || sidlist[i] != cur_user)
            FreeSid(sidlist[i]);
    }
    HeapFree(GetProcessHeap(), 0, sidlist);

    return psd;
}
4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609

/***********************************************************************
 *             SHCreatePropertyBagOnRegKey [SHLWAPI.471]
 *
 * Creates a property bag from a registry key
 *
 * PARAMS
 *  hKey       [I] Handle to the desired registry key
 *  subkey     [I] Name of desired subkey, or NULL to open hKey directly
 *  grfMode    [I] Optional flags
 *  riid       [I] IID of requested property bag interface
 *  ppv        [O] Address to receive pointer to the new interface
 *
 * RETURNS
 *  success: 0
 *  failure: error code
 *
 */
HRESULT WINAPI SHCreatePropertyBagOnRegKey (HKEY hKey, LPCWSTR subkey,
    DWORD grfMode, REFIID riid, void **ppv)
{
    FIXME("%p %s %d %s %p STUB\n", hKey, debugstr_w(subkey), grfMode,
          debugstr_guid(riid), ppv);

    return E_NOTIMPL;
}
4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636

/***********************************************************************
 *             SHGetViewStatePropertyBag [SHLWAPI.515]
 *
 * Retrieves a property bag in which the view state information of a folder
 * can be stored.
 *
 * PARAMS
 *  pidl        [I] PIDL of the folder requested
 *  bag_name    [I] Name of the property bag requested
 *  flags       [I] Optional flags
 *  riid        [I] IID of requested property bag interface
 *  ppv         [O] Address to receive pointer to the new interface
 *
 * RETURNS
 *  success: S_OK
 *  failure: error code
 *
 */
HRESULT WINAPI SHGetViewStatePropertyBag(LPCITEMIDLIST pidl, LPWSTR bag_name,
    DWORD flags, REFIID riid, void **ppv)
{
    FIXME("%p %s %d %s %p STUB\n", pidl, debugstr_w(bag_name), flags,
          debugstr_guid(riid), ppv);

    return E_NOTIMPL;
}
4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686

/***********************************************************************
 *             SHFormatDateTimeW [SHLWAPI.354]
 *
 * Produces a string representation of a time.
 *
 * PARAMS
 *  fileTime   [I] Pointer to FILETIME structure specifying the time
 *  flags      [I] Flags specifying the desired output
 *  buf        [O] Pointer to buffer for output
 *  bufSize    [I] Number of characters that can be contained in buffer
 *
 * RETURNS
 *  success: number of characters written to the buffer
 *  failure: 0
 *
 */
INT WINAPI SHFormatDateTimeW(const FILETIME UNALIGNED *fileTime, DWORD *flags,
    LPWSTR buf, UINT bufSize)
{
    FIXME("%p %p %s %d STUB\n", fileTime, flags, debugstr_w(buf), bufSize);
    return 0;
}

/***********************************************************************
 *             SHFormatDateTimeA [SHLWAPI.353]
 *
 * See SHFormatDateTimeW.
 *
 */
INT WINAPI SHFormatDateTimeA(const FILETIME UNALIGNED *fileTime, DWORD *flags,
    LPCSTR buf, UINT bufSize)
{
    WCHAR *bufW;
    DWORD buflenW, convlen;
    INT retval;

    if (!buf || !bufSize)
        return 0;

    buflenW = bufSize;
    bufW = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * buflenW);
    retval = SHFormatDateTimeW(fileTime, flags, bufW, buflenW);

    if (retval != 0)
        convlen = WideCharToMultiByte(CP_ACP, 0, bufW, -1, (LPSTR) buf, bufSize, NULL, NULL);

    HeapFree(GetProcessHeap(), 0, bufW);
    return retval;
}
4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711

/***********************************************************************
 *             ZoneCheckUrlExW [SHLWAPI.231]
 *
 * Checks the details of the security zone for the supplied site. (?)
 *
 * PARAMS
 *
 *  szURL   [I] Pointer to the URL to check
 *
 *  Other parameters currently unknown.
 *
 * RETURNS
 *  unknown
 */

INT WINAPI ZoneCheckUrlExW(LPWSTR szURL, PVOID pUnknown, DWORD dwUnknown2,
    DWORD dwUnknown3, DWORD dwUnknown4, DWORD dwUnknown5, DWORD dwUnknown6,
    DWORD dwUnknown7)
{
    FIXME("(%s,%p,%x,%x,%x,%x,%x,%x) STUB\n", debugstr_w(szURL), pUnknown, dwUnknown2,
        dwUnknown3, dwUnknown4, dwUnknown5, dwUnknown6, dwUnknown7);

    return 0;
}
4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730

/***********************************************************************
 *             SHVerbExistsNA [SHLWAPI.196]
 *
 *
 * PARAMS
 *
 *  verb [I] a string, often appears to be an extension.
 *
 *  Other parameters currently unknown.
 *
 * RETURNS
 *  unknown
 */
INT WINAPI SHVerbExistsNA(LPSTR verb, PVOID pUnknown, PVOID pUnknown2, DWORD dwUnknown3)
{
    FIXME("(%s, %p, %p, %i) STUB\n",verb, pUnknown, pUnknown2, dwUnknown3);
    return 0;
}
4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754

/*************************************************************************
 *      @	[SHLWAPI.538]
 *
 *  Undocumented:  Implementation guessed at via Name and behavior
 *
 * PARAMS
 *  lpUnknown [I] Object to get an IServiceProvider interface from
 *  riid      [I] Function requested for QueryService call
 *  lppOut    [O] Destination for the service interface pointer
 *
 * RETURNS
 *  Success: S_OK. lppOut contains an object providing the requested service
 *  Failure: An HRESULT error code
 *
 * NOTES
 *  lpUnknown is expected to support the IServiceProvider interface.
 */
HRESULT WINAPI IUnknown_QueryServiceForWebBrowserApp(IUnknown* lpUnknown,
        REFGUID riid, LPVOID *lppOut)
{
    FIXME("%p %s %p semi-STUB\n", lpUnknown, debugstr_guid(riid), lppOut);
    return IUnknown_QueryService(lpUnknown,&IID_IWebBrowserApp,riid,lppOut);
}
4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786

/**************************************************************************
 *  SHPropertyBag_ReadLONG (SHLWAPI.496)
 *
 * This function asks a property bag to read a named property as a LONG.
 *
 * PARAMS
 *  ppb: a IPropertyBag interface
 *  pszPropName:  Unicode string that names the property
 *  pValue: address to receive the property value as a 32-bit signed integer
 *
 * RETURNS
 *  0 for Success
 */
BOOL WINAPI SHPropertyBag_ReadLONG(IPropertyBag *ppb, LPCWSTR pszPropName, LPLONG pValue)
{
    VARIANT var;
    HRESULT hr;
    TRACE("%p %s %p\n", ppb,debugstr_w(pszPropName),pValue);
    if (!pszPropName || !ppb || !pValue)
        return E_INVALIDARG;
    V_VT(&var) = VT_I4;
    hr = IPropertyBag_Read(ppb, pszPropName, &var, NULL);
    if (SUCCEEDED(hr))
    {
        if (V_VT(&var) == VT_I4)
            *pValue = V_I4(&var);
        else
            hr = DISP_E_BADVARTYPE;
    }
    return hr;
}