int cbWndExtra;
    void *hInstance;
    void *hIcon;
    void *hCursor;
    void *hbrBackground;
    void *lpszMenuName;
    const void *lpszClassName;
} WNDCLASSW;

extern void __stdcall	CloseHandle(void *);
extern void *__stdcall	CreateEventW(void *, unsigned char, unsigned char,
			    void *);
extern void * __stdcall	CreateWindowExW(void *, const void *, const void *,
			    DWORD, int, int, int, int, void *, void *, void *, void *);
extern DWORD __stdcall	DefWindowProcW(void *, int, void *, void *);
extern unsigned char __stdcall	DestroyWindow(void *);
extern int __stdcall	DispatchMessageW(const MSG *);
extern unsigned char __stdcall	GetMessageW(MSG *, void *, int, int);
extern void __stdcall	MsgWaitForMultipleObjects(DWORD, void *,
			    unsigned char, DWORD, DWORD);
extern unsigned char __stdcall	PeekMessageW(MSG *, void *, int, int, int);
extern unsigned char __stdcall	PostMessageW(void *, unsigned int, void *,
				    void *);
extern void __stdcall	PostQuitMessage(int);
extern void *__stdcall	RegisterClassW(const WNDCLASSW *);
extern unsigned char __stdcall	ResetEvent(void *);
extern unsigned char __stdcall	TranslateMessage(const MSG *);

/*
 * Threaded-cygwin specific constants and functions in this file:
 */

	tsdPtr->eventReady = 0;

	/*
	 * Initialize thread specific condition variable for this thread.
	 */
	if (tsdPtr->waitCVinitialized == 0) {
#ifdef __CYGWIN__
	    WNDCLASSW class;

	    class.style = 0;
	    class.cbClsExtra = 0;
	    class.cbWndExtra = 0;
	    class.hInstance = TclWinGetTclInstance();
	    class.hbrBackground = NULL;
	    class.lpszMenuName = NULL;

CFLAGS_OPTIMIZE	= @CFLAGS_OPTIMIZE@

# To change the compiler switches, for example to change from optimization to
# debugging symbols, change the following line:
#CFLAGS = 		$(CFLAGS_DEBUG)
#CFLAGS = 		$(CFLAGS_OPTIMIZE)
#CFLAGS = 		$(CFLAGS_DEBUG) $(CFLAGS_OPTIMIZE)
CFLAGS = 		@CFLAGS@ @CFLAGS_DEFAULT@ -D_ATL_XP_TARGETING

# To compile without backward compatibility and deprecated code uncomment the
# following
NO_DEPRECATED_FLAGS	=
#NO_DEPRECATED_FLAGS	= -DTCL_NO_DEPRECATED

# To enable compilation debugging reverse the comment characters on one of the

$(TCLSH): $(TCLSH_OBJS) @LIBRARIES@ $(TCL_STUB_LIB_FILE) tclsh.$(RES)
	$(CC) $(CFLAGS) $(TCLSH_OBJS) $(TCL_LIB_FILE) $(TCL_STUB_LIB_FILE) $(LIBS) \
        tclsh.$(RES) $(CC_EXENAME) $(LDFLAGS_CONSOLE)
	$(COPY) tclsh.exe.manifest $(TCLSH).manifest
	@VC_MANIFEST_EMBED_EXE@

cat32.$(OBJEXT): cat.c
	$(CC) -c $(CC_SWITCHES) -DUNICODE -D_UNICODE @DEPARG@ $(CC_OBJNAME)

$(CAT32): cat32.$(OBJEXT)
	$(CC) $(CFLAGS) cat32.$(OBJEXT) $(CC_EXENAME) $(LIBS) $(LDFLAGS_CONSOLE)

# The following targets are configured by autoconf to generate either a shared
# library or static library

.SUFFIXES: .${OBJEXT}
.SUFFIXES: .$(RES)
.SUFFIXES: .rc

# Special case object targets

tclTestMain.${OBJEXT}: tclAppInit.c
	$(CC) -c $(CC_SWITCHES) -DTCL_TEST -DUNICODE -D_UNICODE $(EXTFLAGS) @DEPARG@ $(CC_OBJNAME)

tclWinInit.${OBJEXT}: tclWinInit.c
	$(CC) -c $(CC_SWITCHES) -DBUILD_tcl $(EXTFLAGS) @DEPARG@ $(CC_OBJNAME)

tclWinPipe.${OBJEXT}: tclWinPipe.c
	$(CC) -c $(CC_SWITCHES) -DBUILD_tcl $(EXTFLAGS) @DEPARG@ $(CC_OBJNAME)

tclWinReg.${OBJEXT}: tclWinReg.c
	$(CC) -c $(CC_SWITCHES) $(EXTFLAGS) @DEPARG@ $(CC_OBJNAME)

tclWinDde.${OBJEXT}: tclWinDde.c
	$(CC) -c $(CC_SWITCHES) $(EXTFLAGS) @DEPARG@ $(CC_OBJNAME)

tclAppInit.${OBJEXT}: tclAppInit.c
	$(CC) -c $(CC_SWITCHES) $(EXTFLAGS) -DUNICODE -D_UNICODE @DEPARG@ $(CC_OBJNAME)

tclMain2.${OBJEXT}: tclMain.c
	$(CC) -c $(CC_SWITCHES) -DBUILD_tcl -DTCL_ASCII_MAIN @DEPARG@ $(CC_OBJNAME)

# TIP #59, embedding of configuration information into the binary library.
#
# Part of Tcl's configuration information are the paths where it was installed

	  @if exist "%~fd\win\makefile.vc" ( \
	    pushd "%~fd\win" & \
	    $(MAKE) -$(MAKEFLAGS) -f makefile.vc TCLDIR=$(ROOT) clean &\
	    popd \
	  )

$(CAT32): $(WIN_DIR)\cat.c
	$(cc32) $(cflags) $(crt) -D_CRT_NONSTDC_NO_DEPRECATE -DCONSOLE \
	    -DUNICODE -D_UNICODE -Fo$(TMP_DIR)\ $?
	$(CONEXECMD) -stack:16384 $(TMP_DIR)\cat.obj
	$(_VC_MANIFEST_EMBED_EXE)

#---------------------------------------------------------------------
# Regenerate the stubs files.  [Development use only]
#---------------------------------------------------------------------

tcl-nmake: $(OUT_DIR)\tcl.nmake
$(OUT_DIR)\tcl.nmake:
	@type << >$@
CORE_MACHINE = $(MACHINE)
CORE_DEBUG = $(DEBUG)
CORE_TCL_THREADS = $(TCL_THREADS)
CORE_USE_THREAD_ALLOC = $(USE_THREAD_ALLOC)

<<

#---------------------------------------------------------------------
# Build tclConfig.sh for the TEA build system.
#---------------------------------------------------------------------

tclConfig: $(OUT_DIR)\tclConfig.sh

	$(GENERICDIR)/tclGetDate.y

#---------------------------------------------------------------------
# Special case object file targets
#---------------------------------------------------------------------

$(TMP_DIR)\testMain.obj: $(WIN_DIR)\tclAppInit.c
	$(cc32) $(appcflags) -DTCL_TEST -DUNICODE -D_UNICODE \
	    -DTCL_USE_STATIC_PACKAGES=$(TCL_USE_STATIC_PACKAGES) \
	    -Fo$@ $?

$(TMP_DIR)\tclMain2.obj: $(GENERICDIR)\tclMain.c
	$(cc32) $(pkgcflags) -DTCL_ASCII_MAIN \
	    -Fo$@ $?

	-DCFG_RUNTIME_BINDIR="\"$(BIN_INSTALL_DIR:\=\\)\"" \
	-DCFG_RUNTIME_SCRDIR="\"$(SCRIPT_INSTALL_DIR:\=\\)\"" \
	-DCFG_RUNTIME_INCDIR="\"$(INCLUDE_INSTALL_DIR:\=\\)\"" \
	-DCFG_RUNTIME_DOCDIR="\"$(DOC_INSTALL_DIR:\=\\)\""     \
	-Fo$@ $?

$(TMP_DIR)\tclAppInit.obj: $(WIN_DIR)\tclAppInit.c
	$(cc32) $(appcflags) -DUNICODE -D_UNICODE \
	    -DTCL_USE_STATIC_PACKAGES=$(TCL_USE_STATIC_PACKAGES) \
	    -Fo$@ $?

### The following objects should be built using the stub interfaces
### *ALL* extensions need to built with -DTCL_THREADS=1

$(TMP_DIR)\tclWinReg.obj: $(WIN_DIR)\tclWinReg.c



	$(cc32) $(appcflags) -DUSE_TCL_STUBS -Fo$@ $?



$(TMP_DIR)\tclWinDde.obj: $(WIN_DIR)\tclWinDde.c



	$(cc32) $(appcflags) -DUSE_TCL_STUBS -Fo$@ $?



### The following objects are part of the stub library and should not
### be built as DLL objects.  -Zl is used to avoid a dependency on any
### specific C run-time.

$(TMP_DIR)\tclStubLib.obj: $(GENERICDIR)\tclStubLib.c

!if "$(_USE_64BIT_TIME_T)" == "1"
OPTDEFINES	= $(OPTDEFINES) -D_USE_64BIT_TIME_T
!endif

# _ATL_XP_TARGETING - Newer SDK's need this to build for XP
COMPILERFLAGS  = /D_ATL_XP_TARGETING


















# Like the TEA system only set this non empty for non-Tk extensions
# Note: some extensions use PACKAGE_NAME and others use PACKAGE_TCLNAME
# so we pass both
!if !$(DOING_TCL) && !$(DOING_TK)
PKGNAMEFLAGS = -DPACKAGE_NAME="\"$(PRJ_PACKAGE_TCLNAME)\"" \
               -DPACKAGE_TCLNAME="\"$(PRJ_PACKAGE_TCLNAME)\"" \
               -DPACKAGE_VERSION="\"$(DOTVERSION)\"" \

	 * If the console has hit EOF, it is always readable.
	 */

	if (infoPtr->readFlags & CONSOLE_EOF) {
	    return 1;
	}

	if (PeekConsoleInputW(handle, &input, 1, &count) == FALSE) {
	    /*
	     * Check to see if the peek failed because of EOF.
	     */

	    TclWinConvertError(GetLastError());

	    if (errno == EOF) {

	 */

	GetConsoleMode(infoPtr->handle, &modes);
	modes &= ~(ENABLE_WINDOW_INPUT | ENABLE_MOUSE_INPUT);
	modes |= ENABLE_LINE_INPUT;
	SetConsoleMode(infoPtr->handle, modes);

	infoPtr->reader.readyEvent = CreateEventW(NULL, TRUE, TRUE, NULL);
	infoPtr->reader.thread = CreateThread(NULL, 256, ConsoleReaderThread,
		TclPipeThreadCreateTI(&infoPtr->reader.TI, infoPtr,
			infoPtr->reader.readyEvent), 0, NULL);
	SetThreadPriority(infoPtr->reader.thread, THREAD_PRIORITY_HIGHEST);
    }

    if (permissions & TCL_WRITABLE) {

	infoPtr->writer.readyEvent = CreateEventW(NULL, TRUE, TRUE, NULL);
	infoPtr->writer.thread = CreateThread(NULL, 256, ConsoleWriterThread,
		TclPipeThreadCreateTI(&infoPtr->writer.TI, infoPtr,
			infoPtr->writer.readyEvent), 0, NULL);
	SetThreadPriority(infoPtr->writer.thread, THREAD_PRIORITY_HIGHEST);
    }

    /*
     * Files have default translation of AUTO and ^Z eof char, which means
     * that a ^Z will be accepted as EOF when reading.
     */

    Tcl_SetChannelOption(NULL, infoPtr->channel, "-translation", "auto");
    Tcl_SetChannelOption(NULL, infoPtr->channel, "-eofchar", "\032 {}");

    Tcl_SetChannelOption(NULL, infoPtr->channel, "-encoding", "unicode");



    return infoPtr->channel;
}

/*
 *----------------------------------------------------------------------
 *
 * ConsoleThreadActionProc --

 * registered by this process.
 */

typedef struct RegisteredInterp {
    struct RegisteredInterp *nextPtr;
				/* The next interp this application knows
				 * about. */
    WCHAR *name;		/* Interpreter's name (malloc-ed). */
    Tcl_Obj *handlerPtr;	/* The server handler command */
    Tcl_Interp *interp;		/* The interpreter attached to this name. */
} RegisteredInterp;

/*
 * Used to keep track of conversations.
 */

static HSZ ddeServiceGlobal = 0;
static DWORD ddeInstance;	/* The application instance handle given to us
				 * by DdeInitialize. */
static int ddeIsServer = 0;

#define TCL_DDE_VERSION		"1.4.1"
#define TCL_DDE_PACKAGE_NAME	"dde"
#define TCL_DDE_SERVICE_NAME	L"TclEval"
#define TCL_DDE_EXECUTE_RESULT	L"$TCLEVAL$EXECUTE$RESULT"

#define DDE_FLAG_ASYNC 1
#define DDE_FLAG_BINARY 2
#define DDE_FLAG_FORCE 4

TCL_DECLARE_MUTEX(ddeMutex)

/*
 * Forward declarations for functions defined later in this file.
 */

static LRESULT CALLBACK	DdeClientWindowProc(HWND hwnd, UINT uMsg,
			    WPARAM wParam, LPARAM lParam);
static int		DdeCreateClient(DdeEnumServices *es);
static BOOL CALLBACK	DdeEnumWindowsCallback(HWND hwndTarget,
			    LPARAM lParam);
static void		DdeExitProc(void *clientData);
static int		DdeGetServicesList(Tcl_Interp *interp,
			    const WCHAR *serviceName, const WCHAR *topicName);
static HDDEDATA CALLBACK DdeServerProc(UINT uType, UINT uFmt, HCONV hConv,
			    HSZ ddeTopic, HSZ ddeItem, HDDEDATA hData,
			    DWORD dwData1, DWORD dwData2);
static LRESULT		DdeServicesOnAck(HWND hwnd, WPARAM wParam,
			    LPARAM lParam);
static void		DeleteProc(void *clientData);
static Tcl_Obj *	ExecuteRemoteObject(RegisteredInterp *riPtr,
			    Tcl_Obj *ddeObjectPtr);
static int		MakeDdeConnection(Tcl_Interp *interp,
			    const WCHAR *name, HCONV *ddeConvPtr);
static void		SetDdeError(Tcl_Interp *interp);
static int		DdeObjCmd(void *clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);

#if (TCL_MAJOR_VERSION < 9) && (TCL_MINOR_VERSION < 7)
# if TCL_UTF_MAX > 3
#   define Tcl_WCharToUtfDString(a,b,c) Tcl_WinTCharToUtf(a,(b)*sizeof(WCHAR),c)
#   define Tcl_UtfToWCharDString(a,b,c) Tcl_WinUtfToTChar(a,b,c)
# else
#   define Tcl_WCharToUtfDString Tcl_UniCharToUtfDString
#   define Tcl_UtfToWCharDString Tcl_UtfToUniCharDString
# endif
#endif

static unsigned char *
getByteArrayFromObj(
	Tcl_Obj *objPtr,
	size_t *lengthPtr
) {
    int length;

    unsigned char *result = Tcl_GetByteArrayFromObj(objPtr, &length);
#if TCL_MAJOR_VERSION > 8
    if (sizeof(TCL_HASH_TYPE) > sizeof(int)) {
	/* 64-bit and TIP #494 situation: */
	 *lengthPtr = *(TCL_HASH_TYPE *) objPtr->internalRep.twoPtrValue.ptr1;
    } else
#endif
	/* 32-bit or without TIP #494 */
    *lengthPtr = (size_t) (unsigned) length;
    return result;
}

#ifdef __cplusplus
extern "C" {
#endif
DLLEXPORT int		Dde_Init(Tcl_Interp *interp);
DLLEXPORT int		Dde_SafeInit(Tcl_Interp *interp);
#ifdef __cplusplus
}
#endif

/*
 *----------------------------------------------------------------------
 *
 * Dde_Init --
 *
 *	This function initializes the dde command.

 *----------------------------------------------------------------------
 */

int
Dde_Init(
    Tcl_Interp *interp)
{
    if (!Tcl_InitStubs(interp, "8.5-", 0)) {
	return TCL_ERROR;
    }

    Tcl_CreateObjCommand(interp, "dde", DdeObjCmd, NULL, NULL);
    Tcl_CreateExitHandler(DdeExitProc, NULL);
    return Tcl_PkgProvideEx(interp, TCL_DDE_PACKAGE_NAME, TCL_DDE_VERSION, NULL);
}

/*
 *----------------------------------------------------------------------
 *
 * Dde_SafeInit --
 *

     * Make sure that the DDE server is there. This is done only once, add an
     * exit handler tear it down.
     */

    if (ddeInstance == 0) {
	Tcl_MutexLock(&ddeMutex);
	if (ddeInstance == 0) {
	    if (DdeInitializeW(&ddeInstance, (PFNCALLBACK) DdeServerProc,
		    CBF_SKIP_REGISTRATIONS | CBF_SKIP_UNREGISTRATIONS
		    | CBF_FAIL_POKES, 0) != DMLERR_NO_ERROR) {
		ddeInstance = 0;
	    }
	}
	Tcl_MutexUnlock(&ddeMutex);
    }
    if ((ddeServiceGlobal == 0) && (nameFound != 0)) {
	Tcl_MutexLock(&ddeMutex);
	if ((ddeServiceGlobal == 0) && (nameFound != 0)) {
	    ddeIsServer = 1;
	    Tcl_CreateExitHandler(DdeExitProc, NULL);
	    ddeServiceGlobal = DdeCreateStringHandleW(ddeInstance,
		    TCL_DDE_SERVICE_NAME, CP_WINUNICODE);
	    DdeNameService(ddeInstance, ddeServiceGlobal, 0L, DNS_REGISTER);
	} else {
	    ddeIsServer = 0;
	}
	Tcl_MutexUnlock(&ddeMutex);
    }

 *	"send" command is created in the application's interpreter. The
 *	registration will be removed automatically if the interpreter is
 *	deleted or the "send" command is removed.
 *
 *----------------------------------------------------------------------
 */

static const WCHAR *
DdeSetServerName(
    Tcl_Interp *interp,
    const WCHAR *name, /* The name that will be used to refer to the
				 * interpreter in later "send" commands. Must
				 * be globally unique. */
    int flags,		/* DDE_FLAG_FORCE or 0 */
    Tcl_Obj *handlerPtr)	/* Name of the optional proc/command to handle
				 * incoming Dde eval's */
{
    int suffix, offset;
    RegisteredInterp *riPtr, *prevPtr;
    Tcl_DString dString;
    const WCHAR *actualName;
    Tcl_Obj *srvListPtr = NULL, **srvPtrPtr = NULL;
    int n, srvCount = 0, lastSuffix, r = TCL_OK;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    /*
     * See if the application is already registered; if so, remove its current
     * name from the registry. The deletion of the command will take care of

    if (name == NULL) {
	/*
	 * The name was NULL, so the caller is asking for the name of the
	 * current interp, but it doesn't have a name.
	 */

	return L"";
    }

    /*
     * Get the list of currently registered Tcl interpreters by calling the
     * internal implementation of the 'dde services' command.
     */

    Tcl_DStringInit(&dString);
    actualName = name;

    if (!(flags & DDE_FLAG_FORCE)) {
	r = DdeGetServicesList(interp, TCL_DDE_SERVICE_NAME, NULL);
	if (r == TCL_OK) {
	    srvListPtr = Tcl_GetObjResult(interp);
	}
	if (r == TCL_OK) {
	    r = Tcl_ListObjGetElements(interp, srvListPtr, &srvCount,
		    &srvPtrPtr);
	}
	if (r != TCL_OK) {
	    Tcl_DStringInit(&dString);
	    OutputDebugStringW(Tcl_UtfToWCharDString(Tcl_GetString(Tcl_GetObjResult(interp)), -1, &dString));
	    Tcl_DStringFree(&dString);
	    return NULL;
	}

	/*
	 * Pick a name to use for the application. Use "name" if it's not
	 * already in use. Otherwise add a suffix such as " #2", trying larger
	 * and larger numbers until we eventually find one that is unique.
	 */

	offset = lastSuffix = 0;
	suffix = 1;

	while (suffix != lastSuffix) {
	    lastSuffix = suffix;
	    if (suffix > 1) {
		if (suffix == 2) {
		    Tcl_DStringAppend(&dString, (char *)name, wcslen(name) * sizeof(WCHAR));
		    Tcl_DStringAppend(&dString, (char *)L" #", 2 * sizeof(WCHAR));
		    offset = Tcl_DStringLength(&dString);
		    Tcl_DStringSetLength(&dString, offset + sizeof(WCHAR) * TCL_INTEGER_SPACE);
		    actualName = (WCHAR *) Tcl_DStringValue(&dString);
		}
		_snwprintf((WCHAR *) (Tcl_DStringValue(&dString) + offset),
			TCL_INTEGER_SPACE, L"%d", suffix);
	    }

	    /*
	     * See if the name is already in use, if so increment suffix.
	     */

	    for (n = 0; n < srvCount; ++n) {
		Tcl_Obj* namePtr;
		Tcl_DString ds;

		Tcl_ListObjIndex(interp, srvPtrPtr[n], 1, &namePtr);
		Tcl_DStringInit(&ds);
		Tcl_UtfToWCharDString(Tcl_GetString(namePtr), -1, &ds);
		if (wcscmp(actualName, (WCHAR *)Tcl_DStringValue(&ds)) == 0) {
		    suffix++;
		    Tcl_DStringFree(&ds);
		    break;
		}
		Tcl_DStringFree(&ds);
	    }
	}
    }

    /*
     * We have found a unique name. Now add it to the registry.
     */

    riPtr = (RegisteredInterp *) Tcl_Alloc(sizeof(RegisteredInterp));
    riPtr->interp = interp;
    riPtr->name = (WCHAR *) Tcl_Alloc((wcslen(actualName) + 1) * sizeof(WCHAR));
    riPtr->nextPtr = tsdPtr->interpListPtr;
    riPtr->handlerPtr = handlerPtr;
    if (riPtr->handlerPtr != NULL) {
	Tcl_IncrRefCount(riPtr->handlerPtr);
    }
    tsdPtr->interpListPtr = riPtr;
    wcscpy(riPtr->name, actualName);

    if (Tcl_IsSafe(interp)) {
	Tcl_ExposeCommand(interp, "dde", "dde");
    }

    Tcl_CreateObjCommand(interp, "dde", DdeObjCmd,
	    riPtr, DeleteProc);

 *	The interpreter given by riPtr is unregistered.
 *
 *----------------------------------------------------------------------
 */

static void
DeleteProc(
    void *clientData)	/* The interp we are deleting. */

{
    RegisteredInterp *riPtr = (RegisteredInterp *) clientData;
    RegisteredInterp *searchPtr, *prevPtr;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    for (searchPtr = tsdPtr->interpListPtr, prevPtr = NULL;
	    (searchPtr != NULL) && (searchPtr != riPtr);

				 * performing. */
    UINT uFmt,			/* The format that data is sent or received */
    HCONV hConv,		/* The conversation associated with the
				 * current transaction. */
    HSZ ddeTopic, HSZ ddeItem,	/* String handles. Transaction-type
				 * dependent. */
    HDDEDATA hData,		/* DDE data. Transaction-type dependent. */
    DWORD unused1, DWORD unused2)
				/* Transaction-dependent data. */
{
    Tcl_DString dString;
    size_t len;
    DWORD dlen;
    WCHAR *utilString;
    Tcl_Obj *ddeObjectPtr;
    HDDEDATA ddeReturn = NULL;
    RegisteredInterp *riPtr;
    Conversation *convPtr, *prevConvPtr;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
    (void)unused1;
    (void)unused2;

    switch(uType) {
    case XTYP_CONNECT:
	/*
	 * Dde is trying to initialize a conversation with us. Check and make
	 * sure we have a valid topic.
	 */

	len = DdeQueryStringW(ddeInstance, ddeTopic, NULL, 0, CP_WINUNICODE);
	Tcl_DStringInit(&dString);
	Tcl_DStringSetLength(&dString, (len + 1) * sizeof(WCHAR) - 1);
	utilString = (WCHAR *) Tcl_DStringValue(&dString);
	DdeQueryStringW(ddeInstance, ddeTopic, utilString, (DWORD) len + 1,
		CP_WINUNICODE);

	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (_wcsicmp(utilString, riPtr->name) == 0) {
		Tcl_DStringFree(&dString);
		return (HDDEDATA) TRUE;
	    }
	}

	Tcl_DStringFree(&dString);
	return (HDDEDATA) FALSE;

    case XTYP_CONNECT_CONFIRM:
	/*
	 * Dde has decided that we can connect, so it gives us a conversation
	 * handle. We need to keep track of it so we know which execution
	 * result to return in an XTYP_REQUEST.
	 */

	len = DdeQueryStringW(ddeInstance, ddeTopic, NULL, 0, CP_WINUNICODE);
	Tcl_DStringInit(&dString);
	Tcl_DStringSetLength(&dString,  (len + 1) * sizeof(WCHAR) - 1);
	utilString = (WCHAR *) Tcl_DStringValue(&dString);
	DdeQueryStringW(ddeInstance, ddeTopic, utilString, (DWORD) len + 1,
		CP_WINUNICODE);
	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (_wcsicmp(riPtr->name, utilString) == 0) {
		convPtr = (Conversation *) Tcl_Alloc(sizeof(Conversation));
		convPtr->nextPtr = tsdPtr->currentConversations;
		convPtr->returnPackagePtr = NULL;
		convPtr->hConv = hConv;
		convPtr->riPtr = riPtr;
		tsdPtr->currentConversations = convPtr;
		break;

	     */
	}

	if (convPtr != NULL) {
	    Tcl_DString dsBuf;
	    char *returnString;

	    len = DdeQueryStringW(ddeInstance, ddeItem, NULL, 0, CP_WINUNICODE);
	    Tcl_DStringInit(&dString);
	    Tcl_DStringInit(&dsBuf);
	    Tcl_DStringSetLength(&dString, (len + 1) * sizeof(WCHAR) - 1);
	    utilString = (WCHAR *) Tcl_DStringValue(&dString);
	    DdeQueryStringW(ddeInstance, ddeItem, utilString, (DWORD) len + 1,
		    CP_WINUNICODE);
	    if (_wcsicmp(utilString, TCL_DDE_EXECUTE_RESULT) == 0) {
		returnString =
			Tcl_GetString(convPtr->returnPackagePtr);
		len = convPtr->returnPackagePtr->length;
		if (uFmt != CF_TEXT) {
		    Tcl_DStringInit(&dsBuf);
		    Tcl_UtfToWCharDString(returnString, len, &dsBuf);
		    returnString = Tcl_DStringValue(&dsBuf);
		    len = Tcl_DStringLength(&dsBuf) + sizeof(WCHAR) - 1;
		}
		ddeReturn = DdeCreateDataHandle(ddeInstance, (BYTE *)returnString,
			(DWORD) len+1, 0, ddeItem, uFmt, 0);
	    } else {
		if (Tcl_IsSafe(convPtr->riPtr->interp)) {
		    ddeReturn = NULL;
		} else {
		    Tcl_DString ds;
		    Tcl_Obj *variableObjPtr;

		    Tcl_DStringInit(&ds);
		    Tcl_WCharToUtfDString(utilString, wcslen(utilString), &ds);
		    variableObjPtr = Tcl_GetVar2Ex(
			    convPtr->riPtr->interp, Tcl_DStringValue(&ds), NULL,
			    TCL_GLOBAL_ONLY);
		    if (variableObjPtr != NULL) {
			returnString = Tcl_GetString(variableObjPtr);
			len = variableObjPtr->length;
			if (uFmt != CF_TEXT) {
			    Tcl_DStringInit(&dsBuf);
			    Tcl_UtfToWCharDString(returnString, len, &dsBuf);
			    returnString = Tcl_DStringValue(&dsBuf);
			    len = Tcl_DStringLength(&dsBuf) + sizeof(WCHAR) - 1;
			}
			ddeReturn = DdeCreateDataHandle(ddeInstance,
				(BYTE *)returnString, (DWORD) len+1, 0, ddeItem,
				uFmt, 0);
		    } else {
			ddeReturn = NULL;
		    }

	if (convPtr && !Tcl_IsSafe(convPtr->riPtr->interp)) {
	    Tcl_DString ds, ds2;
	    Tcl_Obj *variableObjPtr;
	    DWORD len2;

	    Tcl_DStringInit(&dString);
	    Tcl_DStringInit(&ds2);
	    len = DdeQueryStringW(ddeInstance, ddeItem, NULL, 0, CP_WINUNICODE);
	    Tcl_DStringSetLength(&dString, (len + 1) * sizeof(WCHAR) - 1);
	    utilString = (WCHAR *) Tcl_DStringValue(&dString);
	    DdeQueryStringW(ddeInstance, ddeItem, utilString, (DWORD) len + 1,
		    CP_WINUNICODE);
	    Tcl_DStringInit(&ds);
	    Tcl_WCharToUtfDString(utilString, wcslen(utilString), &ds);
	    utilString = (WCHAR *) DdeAccessData(hData, &len2);
	    len = len2;
	    if (uFmt != CF_TEXT) {
		Tcl_DStringInit(&ds2);
		Tcl_WCharToUtfDString(utilString, wcslen(utilString), &ds2);
		utilString = (WCHAR *) Tcl_DStringValue(&ds2);
	    }
	    variableObjPtr = Tcl_NewStringObj((char *)utilString, -1);

	    Tcl_SetVar2Ex(convPtr->riPtr->interp, Tcl_DStringValue(&ds), NULL,
		    variableObjPtr, TCL_GLOBAL_ONLY);

	    Tcl_DStringFree(&ds2);

	     */
	}

	if (convPtr == NULL) {
	    return (HDDEDATA) DDE_FNOTPROCESSED;
	}

	utilString = (WCHAR *) DdeAccessData(hData, &dlen);
	string = (char *) utilString;
	if (!dlen) {
	    /* Empty binary array. */
	    ddeObjectPtr = Tcl_NewObj();
	} else if ((dlen & 1) || utilString[(dlen>>1)-1]) {
	    /* Cannot be unicode, so assume utf-8 */
	    if (!string[dlen-1]) {
		dlen--;
	    }
	    ddeObjectPtr = Tcl_NewStringObj(string, dlen);
	} else {
	    /* unicode */
	    Tcl_DString dsBuf;

	    Tcl_DStringInit(&dsBuf);
	    Tcl_WCharToUtfDString(utilString, (dlen>>1) - 1, &dsBuf);
	    ddeObjectPtr = Tcl_NewStringObj(Tcl_DStringValue(&dsBuf),
		    Tcl_DStringLength(&dsBuf));
	    Tcl_DStringFree(&dsBuf);
	}
	Tcl_IncrRefCount(ddeObjectPtr);
	DdeUnaccessData(hData);
	if (convPtr->returnPackagePtr != NULL) {

	numItems = i;
	ddeReturn = DdeCreateDataHandle(ddeInstance, NULL,
		(numItems + 1) * sizeof(HSZPAIR), 0, 0, 0, 0);
	returnPtr = (HSZPAIR *) DdeAccessData(ddeReturn, &dlen);
	len = dlen;
	for (i = 0, riPtr = tsdPtr->interpListPtr; i < numItems;
		i++, riPtr = riPtr->nextPtr) {
	    returnPtr[i].hszSvc = DdeCreateStringHandleW(ddeInstance,
		    TCL_DDE_SERVICE_NAME, CP_WINUNICODE);
	    returnPtr[i].hszTopic = DdeCreateStringHandleW(ddeInstance,
		    riPtr->name, CP_WINUNICODE);
	}
	returnPtr[i].hszSvc = NULL;
	returnPtr[i].hszTopic = NULL;
	DdeUnaccessData(ddeReturn);
	return ddeReturn;
    }

 *	The DDE server is deleted.
 *
 *----------------------------------------------------------------------
 */

static void
DdeExitProc(
    void *dummy)		/* Not used. */
{
    (void)dummy;
    DdeNameService(ddeInstance, NULL, 0, DNS_UNREGISTER);
    DdeUninitialize(ddeInstance);
    ddeInstance = 0;
}

/*
 *----------------------------------------------------------------------

 *
 *----------------------------------------------------------------------
 */

static int
MakeDdeConnection(
    Tcl_Interp *interp,		/* Used to report errors. */
    const WCHAR *name,		/* The connection to use. */
    HCONV *ddeConvPtr)
{
    HSZ ddeTopic, ddeService;
    HCONV ddeConv;

    ddeService = DdeCreateStringHandleW(ddeInstance, TCL_DDE_SERVICE_NAME, CP_WINUNICODE);
    ddeTopic = DdeCreateStringHandleW(ddeInstance, name, CP_WINUNICODE);

    ddeConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
    DdeFreeStringHandle(ddeInstance, ddeService);
    DdeFreeStringHandle(ddeInstance, ddeTopic);

    if (ddeConv == (HCONV) NULL) {
	if (interp != NULL) {
	    Tcl_DString dString;

	    Tcl_DStringInit(&dString);
	    Tcl_WCharToUtfDString(name, wcslen(name), &dString);
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "no registered server named \"%s\"", Tcl_DStringValue(&dString)));
	    Tcl_DStringFree(&dString);
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NO_SERVER", NULL);
	}
	return TCL_ERROR;
    }

 *----------------------------------------------------------------------
 */

static int
DdeCreateClient(
    DdeEnumServices *es)
{
    WNDCLASSEXW wc;
    static const WCHAR *szDdeClientClassName = L"TclEval client class";
    static const WCHAR *szDdeClientWindowName = L"TclEval client window";

    memset(&wc, 0, sizeof(wc));
    wc.cbSize = sizeof(wc);
    wc.lpfnWndProc = DdeClientWindowProc;
    wc.lpszClassName = szDdeClientClassName;
    wc.cbWndExtra = sizeof(DdeEnumServices *);

    /*
     * Register and create the callback window.
     */

    RegisterClassExW(&wc);
    es->hwnd = CreateWindowExW(0, szDdeClientClassName, szDdeClientWindowName,
	    WS_POPUP, 0, 0, 0, 0, NULL, NULL, NULL, (LPVOID)es);
    return TCL_OK;
}

static LRESULT CALLBACK
DdeClientWindowProc(
    HWND hwnd,			/* What window is the message for */
    UINT uMsg,			/* The type of message received */
    WPARAM wParam,
    LPARAM lParam)		/* (Potentially) our local handle */
{
    switch (uMsg) {
    case WM_CREATE: {
	LPCREATESTRUCT lpcs = (LPCREATESTRUCT) lParam;
	DdeEnumServices *es =
		(DdeEnumServices *) lpcs->lpCreateParams;

#ifdef _WIN64
	SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) es);
#else
	SetWindowLong(hwnd, GWL_USERDATA, (LONG) es);
#endif
	return (LRESULT) 0L;
    }
    case WM_DDE_ACK:
	return DdeServicesOnAck(hwnd, wParam, lParam);
    default:
	return DefWindowProcW(hwnd, uMsg, wParam, lParam);
    }
}

static LRESULT
DdeServicesOnAck(
    HWND hwnd,
    WPARAM wParam,
    LPARAM lParam)
{
    HWND hwndRemote = (HWND)wParam;
    ATOM service = (ATOM)LOWORD(lParam);
    ATOM topic = (ATOM)HIWORD(lParam);
    DdeEnumServices *es;
    WCHAR sz[255];
    Tcl_DString dString;

#ifdef _WIN64
    es = (DdeEnumServices *) GetWindowLongPtrW(hwnd, GWLP_USERDATA);
#else
    es = (DdeEnumServices *) GetWindowLong(hwnd, GWL_USERDATA);
#endif

    if (((es->service == (ATOM)0) || (es->service == service))
	    && ((es->topic == (ATOM)0) || (es->topic == topic))) {
	Tcl_Obj *matchPtr = Tcl_NewListObj(0, NULL);
	Tcl_Obj *resultPtr = Tcl_GetObjResult(es->interp);

	GlobalGetAtomNameW(service, sz, 255);
	Tcl_DStringInit(&dString);
	Tcl_WCharToUtfDString(sz, wcslen(sz), &dString);
	Tcl_ListObjAppendElement(NULL, matchPtr, Tcl_NewStringObj(Tcl_DStringValue(&dString), -1));
	Tcl_DStringFree(&dString);
	GlobalGetAtomNameW(topic, sz, 255);
	Tcl_DStringInit(&dString);
	Tcl_WCharToUtfDString(sz, wcslen(sz), &dString);
	Tcl_ListObjAppendElement(NULL, matchPtr, Tcl_NewStringObj(Tcl_DStringValue(&dString), -1));
	Tcl_DStringFree(&dString);

	/*
	 * Adding the hwnd as a third list element provides a unique
	 * identifier in the case of multiple servers with the name
	 * application and topic names.

	}
    }

    /*
     * Tell the server we are no longer interested.
     */

    PostMessageW(hwndRemote, WM_DDE_TERMINATE, (WPARAM)hwnd, 0L);
    return 0L;
}

static BOOL CALLBACK
DdeEnumWindowsCallback(
    HWND hwndTarget,
    LPARAM lParam)
{
    DWORD_PTR dwResult = 0;
    DdeEnumServices *es = (DdeEnumServices *) lParam;

    SendMessageTimeoutW(hwndTarget, WM_DDE_INITIATE, (WPARAM)es->hwnd,
	    MAKELONG(es->service, es->topic), SMTO_ABORTIFHUNG, 1000,
	    &dwResult);
    return TRUE;
}

static int
DdeGetServicesList(
    Tcl_Interp *interp,
    const WCHAR *serviceName,
    const WCHAR *topicName)
{
    DdeEnumServices es;

    es.interp = interp;
    es.result = TCL_OK;
    es.service = (serviceName == NULL)
	    ? (ATOM)0 : GlobalAddAtomW(serviceName);
    es.topic = (topicName == NULL) ? (ATOM)0 : GlobalAddAtomW(topicName);

    Tcl_ResetResult(interp); /* our list is to be appended to result. */
    DdeCreateClient(&es);
    EnumWindows(DdeEnumWindowsCallback, (LPARAM)&es);

    if (IsWindow(es.hwnd)) {
	DestroyWindow(es.hwnd);

 *	See the user documentation.
 *
 *----------------------------------------------------------------------
 */

static int
DdeObjCmd(
    void *dummy,	/* Not used. */
    Tcl_Interp *interp,		/* The interp we are sending from */
    int objc,			/* Number of arguments */
    Tcl_Obj *const *objv)	/* The arguments */
{
    static const char *const ddeCommands[] = {
	"servername", "execute", "poke", "request", "services", "eval",
	(char *) NULL};

    int index, i, argIndex;
    size_t length;
    int flags = 0, result = TCL_OK, firstArg = 0;
    HSZ ddeService = NULL, ddeTopic = NULL, ddeItem = NULL, ddeCookie = NULL;
    HDDEDATA ddeData = NULL, ddeItemData = NULL, ddeReturn;
    HCONV hConv = NULL;
    const WCHAR *serviceName = NULL, *topicName = NULL;
    const char *string;
    DWORD ddeResult;
    Tcl_Obj *objPtr, *handlerPtr = NULL;
    Tcl_DString serviceBuf, topicBuf, itemBuf;
    (void)dummy;

    /*
     * Initialize DDE server/client
     */

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "command ?arg ...?");

    Initialize();

    if (firstArg != 1) {
	const char *src = Tcl_GetString(objv[firstArg]);

	length = objv[firstArg]->length;
	Tcl_DStringInit(&serviceBuf);
	Tcl_UtfToWCharDString(src, length, &serviceBuf);
	serviceName = (WCHAR *) Tcl_DStringValue(&serviceBuf);
	length = Tcl_DStringLength(&serviceBuf) / sizeof(WCHAR);
    } else {
	length = 0;
    }

    if (length == 0) {
	serviceName = NULL;
    } else if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) {
	ddeService = DdeCreateStringHandleW(ddeInstance, serviceName,
		CP_WINUNICODE);
    }

    if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) {
	const char *src = Tcl_GetString(objv[firstArg + 1]);

	length = objv[firstArg + 1]->length;
	Tcl_DStringInit(&topicBuf);
	topicName = Tcl_UtfToWCharDString(src, length, &topicBuf);
	length = Tcl_DStringLength(&topicBuf) / sizeof(WCHAR);
	if (length == 0) {
	    topicName = NULL;
	} else {
	    ddeTopic = DdeCreateStringHandleW(ddeInstance, topicName,
		    CP_WINUNICODE);
	}
    }

    switch ((enum DdeSubcommands) index) {
    case DDE_SERVERNAME:
	serviceName = DdeSetServerName(interp, serviceName, flags,
		handlerPtr);
	if (serviceName != NULL) {
	    Tcl_DString dsBuf;

	    Tcl_DStringInit(&dsBuf);
	    Tcl_WCharToUtfDString(serviceName, wcslen(serviceName), &dsBuf);
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_DStringValue(&dsBuf),
		    Tcl_DStringLength(&dsBuf)));
	    Tcl_DStringFree(&dsBuf);
	} else {
	    Tcl_ResetResult(interp);
	}
	break;

	    dataString =
		    getByteArrayFromObj(objv[firstArg + 2], &dataLength);
	} else {
	    const char *src;

	    src = Tcl_GetString(objv[firstArg + 2]);
	    dataLength = objv[firstArg + 2]->length;
	    Tcl_DStringInit(&dsBuf);
	    dataString =
		    Tcl_UtfToWCharDString(src, dataLength, &dsBuf);
	    dataLength = Tcl_DStringLength(&dsBuf) + sizeof(WCHAR);
	}

	if (dataLength + 1 < 2) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot execute null data", -1));
	    Tcl_DStringFree(&dsBuf);
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL);

	    SetDdeError(interp);
	    result = TCL_ERROR;
	}
	Tcl_DStringFree(&dsBuf);
	break;
    }
    case DDE_REQUEST: {
	const WCHAR *itemString;
	const char *src;

	src = Tcl_GetString(objv[firstArg + 2]);
	length = objv[firstArg + 2]->length;
	Tcl_DStringInit(&itemBuf);
	itemString = Tcl_UtfToWCharDString(src, length, &itemBuf);
	length = Tcl_DStringLength(&itemBuf) / sizeof(WCHAR);

	if (length == 0) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot request value of null data", -1));
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL);
	    result = TCL_ERROR;
	    goto cleanup;
	}
	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
	DdeFreeStringHandle(ddeInstance, ddeService);
	DdeFreeStringHandle(ddeInstance, ddeTopic);

	if (hConv == NULL) {
	    SetDdeError(interp);
	    result = TCL_ERROR;
	} else {
	    Tcl_Obj *returnObjPtr;
	    ddeItem = DdeCreateStringHandleW(ddeInstance, itemString,
		    CP_WINUNICODE);
	    if (ddeItem != NULL) {
		ddeData = DdeClientTransaction(NULL, 0, hConv, ddeItem,
			(flags & DDE_FLAG_BINARY) ? CF_TEXT : CF_UNICODETEXT, XTYP_REQUEST, 5000, NULL);
		if (ddeData == NULL) {
		    SetDdeError(interp);
		    result = TCL_ERROR;
		} else {
		    DWORD tmp;
		    WCHAR *dataString = (WCHAR *) DdeAccessData(ddeData, &tmp);

		    if (flags & DDE_FLAG_BINARY) {
			returnObjPtr =
				Tcl_NewByteArrayObj((BYTE *) dataString, tmp);
		    } else {
			Tcl_DString dsBuf;

			if ((tmp >= sizeof(WCHAR))
				&& !dataString[tmp / sizeof(WCHAR) - 1]) {
			    tmp -= sizeof(WCHAR);
			}
			Tcl_DStringInit(&dsBuf);
			Tcl_WCharToUtfDString(dataString, tmp>>1, &dsBuf);
			returnObjPtr =
			    Tcl_NewStringObj(Tcl_DStringValue(&dsBuf),
				    Tcl_DStringLength(&dsBuf));
			Tcl_DStringFree(&dsBuf);
		    }
		    DdeUnaccessData(ddeData);
		    DdeFreeDataHandle(ddeData);
		    Tcl_SetObjResult(interp, returnObjPtr);
		}
	    } else {
		SetDdeError(interp);
		result = TCL_ERROR;
	    }
	}
	break;
    }
    case DDE_POKE: {
	Tcl_DString dsBuf;
	const WCHAR *itemString;
	BYTE *dataString;
	const char *src;

	src = Tcl_GetString(objv[firstArg + 2]);
	length = objv[firstArg + 2]->length;
	Tcl_DStringInit(&itemBuf);
	itemString = Tcl_UtfToWCharDString(src, length, &itemBuf);
	length = Tcl_DStringLength(&itemBuf) / sizeof(WCHAR);
	if (length == 0) {
	    Tcl_SetObjResult(interp,
		    Tcl_NewStringObj("cannot have a null item", -1));
	    Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL);
	    result = TCL_ERROR;
	    goto cleanup;
	}
	Tcl_DStringInit(&dsBuf);
	if (flags & DDE_FLAG_BINARY) {
	    dataString = (BYTE *)
		    getByteArrayFromObj(objv[firstArg + 3], &length);
	} else {
	    const char *data =
		    Tcl_GetString(objv[firstArg + 3]);
	    length = objv[firstArg + 3]->length;
	    Tcl_DStringInit(&dsBuf);
	    dataString = (BYTE *)
		    Tcl_UtfToWCharDString(data, length, &dsBuf);
	    length = Tcl_DStringLength(&dsBuf) + sizeof(WCHAR);
	}

	hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
	DdeFreeStringHandle(ddeInstance, ddeService);
	DdeFreeStringHandle(ddeInstance, ddeTopic);

	if (hConv == NULL) {
	    SetDdeError(interp);
	    result = TCL_ERROR;
	} else {
	    ddeItem = DdeCreateStringHandleW(ddeInstance, itemString,
		    CP_WINUNICODE);
	    if (ddeItem != NULL) {
		ddeData = DdeClientTransaction(dataString, (DWORD) length,
			hConv, ddeItem, (flags & DDE_FLAG_BINARY) ? CF_TEXT : CF_UNICODETEXT, XTYP_POKE, 5000, NULL);
		if (ddeData == NULL) {
		    SetDdeError(interp);
		    result = TCL_ERROR;

	 * producing a bytecode structure that refers to other objects owned
	 * by the target interp. If the target interp is then deleted, the
	 * bytecode structure would be referring to deallocated objects.
	 */

	for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
		riPtr = riPtr->nextPtr) {
	    if (_wcsicmp(serviceName, riPtr->name) == 0) {
		break;
	    }
	}

	if (riPtr != NULL) {
	    Tcl_Interp *sendInterp;

		result = TCL_ERROR;
		goto cleanup;
	    }

	    objPtr = Tcl_ConcatObj(objc, objv);
	    string = Tcl_GetString(objPtr);
	    length = objPtr->length;
	    Tcl_DStringInit(&dsBuf);
	    Tcl_UtfToWCharDString(string, length, &dsBuf);
	    string = Tcl_DStringValue(&dsBuf);
	    length = Tcl_DStringLength(&dsBuf) + sizeof(WCHAR);
	    ddeItemData = DdeCreateDataHandle(ddeInstance, (BYTE *) string,
		    (DWORD) length, 0, 0, CF_UNICODETEXT, 0);
	    Tcl_DStringFree(&dsBuf);

	    if (flags & DDE_FLAG_ASYNC) {
		ddeData = DdeClientTransaction((LPBYTE) ddeItemData,
			0xFFFFFFFF, hConv, 0,
			CF_UNICODETEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
		DdeAbandonTransaction(ddeInstance, hConv, ddeResult);
	    } else {
		ddeData = DdeClientTransaction((LPBYTE) ddeItemData,
			0xFFFFFFFF, hConv, 0,
			CF_UNICODETEXT, XTYP_EXECUTE, 30000, NULL);
		if (ddeData != 0) {
		    ddeCookie = DdeCreateStringHandleW(ddeInstance,
			    TCL_DDE_EXECUTE_RESULT, CP_WINUNICODE);
		    ddeData = DdeClientTransaction(NULL, 0, hConv, ddeCookie,
			    CF_UNICODETEXT, XTYP_REQUEST, 30000, NULL);
		}
	    }

	    Tcl_DecrRefCount(objPtr);

	    if (ddeData == 0) {
		SetDdeError(interp);
		result = TCL_ERROR;
		goto cleanup;
	    }

	    if (!(flags & DDE_FLAG_ASYNC)) {
		Tcl_Obj *resultPtr;
		WCHAR *ddeDataString;

		/*
		 * The return handle has a two or four element list in it. The
		 * first element is the return code (TCL_OK, TCL_ERROR, etc.).
		 * The second is the result of the script. If the return code
		 * is TCL_ERROR, then the third element is the value of the
		 * variable "errorCode", and the fourth is the value of the
		 * variable "errorInfo".
		 */

		length = DdeGetData(ddeData, NULL, 0, 0);
		ddeDataString = (WCHAR *) Tcl_Alloc(length);
		DdeGetData(ddeData, (BYTE *) ddeDataString, (DWORD) length, 0);
		if (length > sizeof(WCHAR)) {
		    length -= sizeof(WCHAR);
		}
		Tcl_DStringInit(&dsBuf);
		Tcl_WCharToUtfDString(ddeDataString, length>>1, &dsBuf);
		resultPtr = Tcl_NewStringObj(Tcl_DStringValue(&dsBuf),
			Tcl_DStringLength(&dsBuf));
		Tcl_DStringFree(&dsBuf);
		Tcl_Free((char *) ddeDataString);

		if (Tcl_ListObjIndex(NULL, resultPtr, 0, &objPtr) != TCL_OK) {
		    Tcl_DecrRefCount(resultPtr);

	 * There is an assumption in this code that 'wide' interfaces are
	 * being used (see tclWin32Dll.c), which is true for the only systems
	 * which support reparse tags at present. If that changes in the
	 * future, this code will have to be generalised.
	 */

	offset = 0;
#if 1
	if (reparseBuffer->MountPointReparseBuffer.PathBuffer[0] == L'\\') {
	    /*
	     * Check whether this is a mounted volume.
	     */

	    if (wcsncmp(reparseBuffer->MountPointReparseBuffer.PathBuffer,
		    L"\\??\\Volume{",11) == 0) {

     * create this process. Only if it is NULL, install a new panic handler.
     */

    if (argv0 == NULL) {
	Tcl_SetPanicProc(tclWinDebugPanic);
    }


    GetModuleFileNameW(NULL, wName, MAX_PATH);









    WideCharToMultiByte(CP_UTF8, 0, wName, -1, name, sizeof(name), NULL, NULL);
    TclWinNoBackslash(name);
    TclSetObjNameOfExecutable(Tcl_NewStringObj(name, -1), NULL);
}

/*
 *----------------------------------------------------------------------

    /*
     * It looks as if the permissions are ok, but if we are on NT, 2000 or XP,
     * we have a more complex permissions structure so we try to check that.
     * The code below is remarkably complex for such a simple thing as finding
     * what permissions the OS has set for a file.
     */

#if 1
    {
	SECURITY_DESCRIPTOR *sdPtr = NULL;
	unsigned long size;
	PSID pSid = 0;
	BOOL SidDefaulted;
	SID_IDENTIFIER_AUTHORITY samba_unmapped = {{0, 0, 0, 0, 0, 22}};
	GENERIC_MAPPING genMap;
	HANDLE hToken = NULL;
	DWORD desiredAccess = 0, grantedAccess = 0;
	BOOL accessYesNo = FALSE;
	PRIVILEGE_SET privSet;
	DWORD privSetSize = sizeof(PRIVILEGE_SET);
	int error;

	/*
	 * First find out how big the buffer needs to be.
	 */

	size = 0;
	GetFileSecurityW(nativePath,
		OWNER_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION
		| DACL_SECURITY_INFORMATION | LABEL_SECURITY_INFORMATION,
		0, 0, &size);

	/*
	 * Should have failed with ERROR_INSUFFICIENT_BUFFER
	 */

	sdPtr = (SECURITY_DESCRIPTOR *) HeapAlloc(GetProcessHeap(), 0, size);

	if (sdPtr == NULL) {
	    goto accessError;
	}

	/*
	 * Call GetFileSecurityW() for real.
	 */

	if (!GetFileSecurityW(nativePath,
		OWNER_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION
		| DACL_SECURITY_INFORMATION | LABEL_SECURITY_INFORMATION,
		sdPtr, size, &size)) {
	    /*
	     * Error getting owner SD
	     */

    HANDLE token;
    LPBYTE buf = NULL;
    DWORD bufsz;
    int owned = 0;

    native = Tcl_FSGetNativePath(pathPtr);

    if (GetNamedSecurityInfoW((LPWSTR) native, SE_FILE_OBJECT,
	    OWNER_SECURITY_INFORMATION, &ownerSid, NULL, NULL, NULL,
	    &secd) != ERROR_SUCCESS) {
        /*
	 * Either not a file, or we do not have access to it in which case we
	 * are in all likelihood not the owner.
	 */

	objPtr = Tcl_NewStringObj(buf, -1);
	Tcl_ListObjAppendElement(NULL, pathPtr, objPtr);

	TclWinNoBackslash(buf);
	Tcl_SplitPath(buf, &pathc, &pathv);

	/*
	 * The lstrcmpiA() will work even if pathv[pathc-1] is random UTF-8
	 * chars because I know shortlib is ascii.
	 */

	if ((pathc > 0) && (lstrcmpiA(shortlib, pathv[pathc - 1]) != 0)) {
	    /*
	     * TCL_LIBRARY is set but refers to a different tcl installation
	     * than the current version. Try fiddling with the specified

	tsdPtr->pending = 0;
	tsdPtr->timerActive = 0;

	InitializeCriticalSection(&tsdPtr->crit);

	tsdPtr->hwnd = NULL;
	tsdPtr->thread = GetCurrentThreadId();
	tsdPtr->event = CreateEventW(NULL, TRUE /* manual */,
		FALSE /* !signaled */, NULL);

	return tsdPtr;
    }
}

/*

	if (tsdPtr->hwnd) {
	    /*
	     * We do need to lock around access to the pending flag.
	     */

	    EnterCriticalSection(&tsdPtr->crit);
	    if (!tsdPtr->pending) {
		PostMessageW(tsdPtr->hwnd, WM_WAKEUP, 0, 0);
	    }
	    tsdPtr->pending = 1;
	    LeaveCriticalSection(&tsdPtr->crit);
	} else {
	    SetEvent(tsdPtr->event);
	}
    }

    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    if (message == WM_WAKEUP) {
	EnterCriticalSection(&tsdPtr->crit);
	tsdPtr->pending = 0;
	LeaveCriticalSection(&tsdPtr->crit);
    } else if (message != WM_TIMER) {
	return DefWindowProcW(hwnd, message, wParam, lParam);
    }

    /*
     * Process all of the runnable events.
     */

    Tcl_ServiceAll();

	/*
	 * Check to see if there are any messages in the queue before waiting
	 * because MsgWaitForMultipleObjects will not wake up if there are
	 * events currently sitting in the queue.
	 */

	if (!PeekMessageW(&msg, NULL, 0, 0, PM_NOREMOVE)) {
	    /*
	     * Wait for something to happen (a signal from another thread, a
	     * message, or timeout) or loop servicing asynchronous procedure
	     * calls queued to this thread.
	     */

	again:

	    }
	}

	/*
	 * Check to see if there are any messages to process.
	 */

	if (PeekMessageW(&msg, NULL, 0, 0, PM_NOREMOVE)) {
	    /*
	     * Retrieve and dispatch the first message.
	     */

	    result = GetMessageW(&msg, NULL, 0, 0);
	    if (result == 0) {
		/*
		 * We received a request to exit this thread (WM_QUIT), so
		 * propagate the quit message and start unwinding.
		 */

		PostQuitMessage((int) msg.wParam);
		status = -1;
	    } else if (result == (DWORD)-1) {
		/*
		 * We got an error from the system. I have no idea why this
		 * would happen, so we'll just unwind.
		 */

		status = -1;
	    } else {
		TranslateMessage(&msg);
		DispatchMessageW(&msg);
		status = 1;
	    }
	} else {
	    status = 0;
	}

      end:

    infoPtr->threadId = Tcl_GetCurrentThread();

    if (readFile != NULL) {
	/*
	 * Start the background reader thread.
	 */

	infoPtr->readable = CreateEventW(NULL, TRUE, TRUE, NULL);
	infoPtr->readThread = CreateThread(NULL, 256, PipeReaderThread,
	    TclPipeThreadCreateTI(&infoPtr->readTI, infoPtr, infoPtr->readable),
	    0, NULL);
	SetThreadPriority(infoPtr->readThread, THREAD_PRIORITY_HIGHEST);
	infoPtr->validMask |= TCL_READABLE;
    } else {
    	infoPtr->readTI = NULL;
	infoPtr->readThread = 0;
    }
    if (writeFile != NULL) {
	/*
	 * Start the background writer thread.
	 */

	infoPtr->writable = CreateEventW(NULL, TRUE, TRUE, NULL);
	infoPtr->writeThread = CreateThread(NULL, 256, PipeWriterThread,
	    TclPipeThreadCreateTI(&infoPtr->writeTI, infoPtr, infoPtr->writable),
	    0, NULL);
	SetThreadPriority(infoPtr->writeThread, THREAD_PRIORITY_HIGHEST);
	infoPtr->validMask |= TCL_WRITABLE;
    } else {
    	infoPtr->writeTI = NULL;

{
    TclPipeThreadInfo *pipeTI;
#ifndef _PTI_USE_CKALLOC
    pipeTI = malloc(sizeof(TclPipeThreadInfo));
#else
    pipeTI = ckalloc(sizeof(TclPipeThreadInfo));
#endif /* !_PTI_USE_CKALLOC */
    pipeTI->evControl = CreateEventW(NULL, FALSE, FALSE, NULL);
    pipeTI->state = PTI_STATE_IDLE;
    pipeTI->clientData = clientData;
    pipeTI->evWakeUp = wakeEvent;
    return (*pipeTIPtr = pipeTI);
}

/*

 * Declarations for functions defined in this file.
 */

static void		AppendSystemError(Tcl_Interp *interp, DWORD error);
static int		BroadcastValue(Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static DWORD		ConvertDWORD(DWORD type, DWORD value);
static void		DeleteCmd(void *clientData);
static int		DeleteKey(Tcl_Interp *interp, Tcl_Obj *keyNameObj,
			    REGSAM mode);
static int		DeleteValue(Tcl_Interp *interp, Tcl_Obj *keyNameObj,
			    Tcl_Obj *valueNameObj, REGSAM mode);
static int		GetKeyNames(Tcl_Interp *interp, Tcl_Obj *keyNameObj,
			    Tcl_Obj *patternObj, REGSAM mode);
static int		GetType(Tcl_Interp *interp, Tcl_Obj *keyNameObj,

static DWORD		OpenSubKey(char *hostName, HKEY rootKey,
			    char *keyName, REGSAM mode, int flags,
			    HKEY *keyPtr);
static int		ParseKeyName(Tcl_Interp *interp, char *name,
			    char **hostNamePtr, HKEY *rootKeyPtr,
			    char **keyNamePtr);
static DWORD		RecursiveDeleteKey(HKEY hStartKey,
			    const WCHAR * pKeyName, REGSAM mode);
static int		RegistryObjCmd(void *clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static int		SetValue(Tcl_Interp *interp, Tcl_Obj *keyNameObj,
			    Tcl_Obj *valueNameObj, Tcl_Obj *dataObj,
			    Tcl_Obj *typeObj, REGSAM mode);

#if (TCL_MAJOR_VERSION < 9) && (TCL_MINOR_VERSION < 7)
# if TCL_UTF_MAX > 3
#   define Tcl_WCharToUtfDString(a,b,c) Tcl_WinTCharToUtf(a,(b)*sizeof(WCHAR),c)
#   define Tcl_UtfToWCharDString(a,b,c) Tcl_WinUtfToTChar(a,b,c)
# else
#   define Tcl_WCharToUtfDString Tcl_UniCharToUtfDString
#   define Tcl_UtfToWCharDString Tcl_UtfToUniCharDString
# endif
#endif

static unsigned char *
getByteArrayFromObj(
	Tcl_Obj *objPtr,
	size_t *lengthPtr
) {
    int length;

    unsigned char *result = Tcl_GetByteArrayFromObj(objPtr, &length);
#if TCL_MAJOR_VERSION > 8
    if (sizeof(TCL_HASH_TYPE) > sizeof(int)) {
	/* 64-bit and TIP #494 situation: */
	 *lengthPtr = *(TCL_HASH_TYPE *) objPtr->internalRep.twoPtrValue.ptr1;
    } else
#endif
	/* 32-bit or without TIP #494 */
    *lengthPtr = (size_t) (unsigned) length;
    return result;
}

#ifdef __cplusplus
extern "C" {
#endif
DLLEXPORT int		Registry_Init(Tcl_Interp *interp);
DLLEXPORT int		Registry_Unload(Tcl_Interp *interp, int flags);
#ifdef __cplusplus
}
#endif

/*
 *----------------------------------------------------------------------
 *
 * Registry_Init --
 *
 *	This function initializes the registry command.

int
Registry_Init(
    Tcl_Interp *interp)
{
    Tcl_Command cmd;

    if (Tcl_InitStubs(interp, "8.5-", 0) == NULL) {
	return TCL_ERROR;
    }

    cmd = Tcl_CreateObjCommand(interp, "registry", RegistryObjCmd,
	    interp, DeleteCmd);
    Tcl_SetAssocData(interp, REGISTRY_ASSOC_KEY, NULL, cmd);
    return Tcl_PkgProvideEx(interp, "registry", "1.3.3", NULL);
}

/*
 *----------------------------------------------------------------------
 *
 * Registry_Unload --
 *

int
Registry_Unload(
    Tcl_Interp *interp,		/* Interpreter for unloading */
    int flags)			/* Flags passed by the unload system */
{
    Tcl_Command cmd;
    Tcl_Obj *objv[3];
    (void)flags;

    /*
     * Unregister the registry package. There is no Tcl_PkgForget()
     */

    objv[0] = Tcl_NewStringObj("package", -1);
    objv[1] = Tcl_NewStringObj("forget", -1);
    objv[2] = Tcl_NewStringObj("registry", -1);
    Tcl_EvalObjv(interp, 3, objv, TCL_EVAL_GLOBAL);

    /*
     * Delete the originally registered command.
     */

    cmd = (Tcl_Command)Tcl_GetAssocData(interp, REGISTRY_ASSOC_KEY, NULL);
    if (cmd != NULL) {
	Tcl_DeleteCommandFromToken(interp, cmd);
    }

    return TCL_OK;
}


 *	The unload command will not attempt to delete this command.
 *
 *----------------------------------------------------------------------
 */

static void
DeleteCmd(
    void *clientData)
{
    Tcl_Interp *interp = (Tcl_Interp *)clientData;

    Tcl_SetAssocData(interp, REGISTRY_ASSOC_KEY, NULL, NULL);
}

/*
 *----------------------------------------------------------------------
 *

 *	None.
 *
 *----------------------------------------------------------------------
 */

static int
RegistryObjCmd(
    void *dummy,	/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument values. */
{
    int n = 1;
    int index, argc;
    REGSAM mode = 0;
    const char *errString = NULL;

    static const char *const subcommands[] = {
	"broadcast", "delete", "get", "keys", "set", "type", "values", NULL
    };
    enum SubCmdIdx {
	BroadcastIdx, DeleteIdx, GetIdx, KeysIdx, SetIdx, TypeIdx, ValuesIdx
    };
    static const char *const modes[] = {
	"-32bit", "-64bit", NULL
    };
    (void)dummy;

    if (objc < 2) {
    wrongArgs:
	Tcl_WrongNumArgs(interp, 1, objv, "?-32bit|-64bit? option ?arg ...?");
	return TCL_ERROR;
    }

static int
DeleteKey(
    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Obj *keyNameObj,	/* Name of key to delete. */
    REGSAM mode)		/* Mode flags to pass. */
{
    char *tail, *buffer, *hostName, *keyName;
    const WCHAR *nativeTail;
    HKEY rootKey, subkey;
    DWORD result;
    Tcl_DString buf;
    REGSAM saveMode = mode;

    /*
     * Find the parent of the key being deleted and open it.

	return TCL_ERROR;
    }

    /*
     * Now we recursively delete the key and everything below it.
     */

    Tcl_DStringInit(&buf);
    nativeTail = Tcl_UtfToWCharDString(tail, -1, &buf);
    result = RecursiveDeleteKey(subkey, nativeTail, saveMode);
    Tcl_DStringFree(&buf);

    if (result != ERROR_SUCCESS && result != ERROR_FILE_NOT_FOUND) {
	Tcl_SetObjResult(interp,
		Tcl_NewStringObj("unable to delete key: ", -1));
	AppendSystemError(interp, result);

    mode |= KEY_SET_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
	return TCL_ERROR;
    }

    valueName = Tcl_GetString(valueNameObj);
    Tcl_DStringInit(&ds);
    Tcl_UtfToWCharDString(valueName, valueNameObj->length, &ds);
    result = RegDeleteValueW(key, (const WCHAR *)Tcl_DStringValue(&ds));
    Tcl_DStringFree(&ds);
    if (result != ERROR_SUCCESS) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"unable to delete value \"%s\" from key \"%s\": ",
		Tcl_GetString(valueNameObj), Tcl_GetString(keyNameObj)));
	AppendSystemError(interp, result);
	result = TCL_ERROR;

    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Obj *keyNameObj,	/* Key to enumerate. */
    Tcl_Obj *patternObj,	/* Optional match pattern. */
    REGSAM mode)		/* Mode flags to pass. */
{
    const char *pattern;	/* Pattern being matched against subkeys */
    HKEY key;			/* Handle to the key being examined */
    WCHAR buffer[MAX_KEY_LENGTH];
				/* Buffer to hold the subkey name */
    DWORD bufSize;		/* Size of the buffer */
    DWORD index;		/* Position of the current subkey */
    char *name;			/* Subkey name */
    Tcl_Obj *resultPtr;		/* List of subkeys being accumulated */
    int result = TCL_OK;	/* Return value from this command */
    Tcl_DString ds;		/* Buffer to translate subkey name to UTF-8 */

    /*
     * Enumerate the subkeys.
     */

    resultPtr = Tcl_NewObj();
    for (index = 0;; ++index) {
	bufSize = MAX_KEY_LENGTH;
	result = RegEnumKeyExW(key, index, buffer, &bufSize,
		NULL, NULL, NULL, NULL);
	if (result != ERROR_SUCCESS) {
	    if (result == ERROR_NO_MORE_ITEMS) {
		result = TCL_OK;
	    } else {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"unable to enumerate subkeys of \"%s\": ",
			Tcl_GetString(keyNameObj)));
		AppendSystemError(interp, result);
		result = TCL_ERROR;
	    }
	    break;
	}
	Tcl_DStringInit(&ds);
	name = Tcl_WCharToUtfDString(buffer, bufSize, &ds);
	if (pattern && !Tcl_StringMatch(name, pattern)) {
	    Tcl_DStringFree(&ds);
	    continue;
	}
	result = Tcl_ListObjAppendElement(interp, resultPtr,
		Tcl_NewStringObj(name, Tcl_DStringLength(&ds)));
	Tcl_DStringFree(&ds);

    Tcl_Obj *valueNameObj,	/* Name of value to get. */
    REGSAM mode)		/* Mode flags to pass. */
{
    HKEY key;
    DWORD result, type;
    Tcl_DString ds;
    const char *valueName;
    const WCHAR *nativeValue;

    /*
     * Attempt to open the key for reading.
     */

    mode |= KEY_QUERY_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
	return TCL_ERROR;
    }

    /*
     * Get the type of the value.
     */

    valueName = Tcl_GetString(valueNameObj);
    Tcl_DStringInit(&ds);
    nativeValue = Tcl_UtfToWCharDString(valueName, valueNameObj->length, &ds);
    result = RegQueryValueExW(key, nativeValue, NULL, &type,
	    NULL, NULL);
    Tcl_DStringFree(&ds);
    RegCloseKey(key);

    if (result != ERROR_SUCCESS) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"unable to get type of value \"%s\" from key \"%s\": ",

    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Obj *keyNameObj,	/* Name of key. */
    Tcl_Obj *valueNameObj,	/* Name of value to get. */
    REGSAM mode)		/* Mode flags to pass. */
{
    HKEY key;
    const char *valueName;
    const WCHAR *nativeValue;
    DWORD result, length, type;
    Tcl_DString data, buf;

    /*
     * Attempt to open the key for reading.
     */

     *
     * This allows short values to be read from the registy in one call.
     * Longer values need a second call with an expanded DString.
     */

    Tcl_DStringInit(&data);
    Tcl_DStringSetLength(&data, TCL_DSTRING_STATIC_SIZE - 1);
    length = TCL_DSTRING_STATIC_SIZE/sizeof(WCHAR) - 1;

    valueName = Tcl_GetString(valueNameObj);
    Tcl_DStringInit(&buf);
    nativeValue = Tcl_UtfToWCharDString(valueName, valueNameObj->length, &buf);

    result = RegQueryValueExW(key, nativeValue, NULL, &type,
	    (BYTE *) Tcl_DStringValue(&data), &length);
    while (result == ERROR_MORE_DATA) {
	/*
	 * The Windows docs say that in this error case, we just need to
	 * expand our buffer and request more data. Required for
	 * HKEY_PERFORMANCE_DATA
	 */

	length = Tcl_DStringLength(&data) * (2 / sizeof(WCHAR));
	Tcl_DStringSetLength(&data, (int) length * sizeof(WCHAR));
	result = RegQueryValueExW(key, nativeValue,
		NULL, &type, (BYTE *) Tcl_DStringValue(&data), &length);
    }
    Tcl_DStringFree(&buf);
    RegCloseKey(key);
    if (result != ERROR_SUCCESS) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"unable to get value \"%s\" from key \"%s\": ",

	/*
	 * Multistrings are stored as an array of null-terminated strings,
	 * terminated by two null characters. Also do a bounds check in case
	 * we get bogus data.
	 */

	while ((p < end) && *((WCHAR *) p) != 0) {
	    WCHAR *wp = (WCHAR *) p;

	    Tcl_DStringInit(&buf);
	    Tcl_WCharToUtfDString(wp, wcslen(wp), &buf);
	    Tcl_ListObjAppendElement(interp, resultPtr,
		    Tcl_NewStringObj(Tcl_DStringValue(&buf),
			    Tcl_DStringLength(&buf)));


	    while (*wp++ != 0) {/* empty body */}
	    p = (char *) wp;
	    Tcl_DStringFree(&buf);
	}
	Tcl_SetObjResult(interp, resultPtr);
    } else if ((type == REG_SZ) || (type == REG_EXPAND_SZ)) {
	WCHAR *wp = (WCHAR *) Tcl_DStringValue(&data);
	Tcl_DStringInit(&buf);
	Tcl_WCharToUtfDString((const WCHAR *)Tcl_DStringValue(&data), wcslen(wp), &buf);
	Tcl_DStringResult(interp, &buf);
    } else {
	/*
	 * Save binary data as a byte array.
	 */

	Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(

    mode |= KEY_QUERY_VALUE;
    if (OpenKey(interp, keyNameObj, mode, 0, &key) != TCL_OK) {
	return TCL_ERROR;
    }

    resultPtr = Tcl_NewObj();
    Tcl_DStringInit(&buffer);
    Tcl_DStringSetLength(&buffer, (int) (MAX_KEY_LENGTH * sizeof(WCHAR)));
    index = 0;
    result = TCL_OK;

    if (patternObj) {
	pattern = Tcl_GetString(patternObj);
    } else {
	pattern = NULL;
    }

    /*
     * Enumerate the values under the given subkey until we get an error,
     * indicating the end of the list. Note that we need to reset size after
     * each iteration because RegEnumValue smashes the old value.
     */

    size = MAX_KEY_LENGTH;
    while (RegEnumValueW(key,index, (WCHAR *)Tcl_DStringValue(&buffer),
	    &size, NULL, NULL, NULL, NULL) == ERROR_SUCCESS) {



	Tcl_DStringInit(&ds);
	Tcl_WCharToUtfDString((const WCHAR *)Tcl_DStringValue(&buffer), size, &ds);
	name = Tcl_DStringValue(&ds);
	if (!pattern || Tcl_StringMatch(name, pattern)) {
	    result = Tcl_ListObjAppendElement(interp, resultPtr,
		    Tcl_NewStringObj(name, Tcl_DStringLength(&ds)));
	    if (result != TCL_OK) {
		Tcl_DStringFree(&ds);
		break;

    Tcl_DString buf;

    /*
     * Attempt to open the root key on a remote host if necessary.
     */

    if (hostName) {
	Tcl_DStringInit(&buf);
	hostName = (char *) Tcl_UtfToWCharDString(hostName, -1, &buf);
	result = RegConnectRegistryW((WCHAR *)hostName, rootKey,
		&rootKey);
	Tcl_DStringFree(&buf);
	if (result != ERROR_SUCCESS) {
	    return result;
	}
    }

    /*
     * Now open the specified key with the requested permissions. Note that
     * this key must be closed by the caller.
     */

    if (keyName) {
	Tcl_DStringInit(&buf);
	keyName = (char *) Tcl_UtfToWCharDString(keyName, -1, &buf);
    }
    if (flags & REG_CREATE) {
	DWORD create;

	result = RegCreateKeyExW(rootKey, (WCHAR *)keyName, 0, NULL,
		REG_OPTION_NON_VOLATILE, mode, NULL, keyPtr, &create);
    } else if (rootKey == HKEY_PERFORMANCE_DATA) {
	/*
	 * Here we fudge it for this special root key. See MSDN for more info
	 * on HKEY_PERFORMANCE_DATA and the peculiarities surrounding it.
	 */

	*keyPtr = HKEY_PERFORMANCE_DATA;
	result = ERROR_SUCCESS;
    } else {
	result = RegOpenKeyExW(rootKey, (WCHAR *)keyName, 0, mode,
		keyPtr);
    }
    if (keyName) {
	Tcl_DStringFree(&buf);
    }

    /*

 *
 *----------------------------------------------------------------------
 */

static DWORD
RecursiveDeleteKey(
    HKEY startKey,		/* Parent of key to be deleted. */
    const WCHAR *keyName,	/* Name of key to be deleted in external
				 * encoding, not UTF. */
    REGSAM mode)		/* Mode flags to pass. */
{
    DWORD result, size;
    Tcl_DString subkey;
    HKEY hKey;
    REGSAM saveMode = mode;
    static int checkExProc = 0;
    static LSTATUS (* regDeleteKeyExProc) (HKEY, LPCWSTR, REGSAM, DWORD) = (LSTATUS (*) (HKEY, LPCWSTR, REGSAM, DWORD)) NULL;

    /*
     * Do not allow NULL or empty key name.
     */

    if (!keyName || *keyName == '\0') {
	return ERROR_BADKEY;
    }

    mode |= KEY_ENUMERATE_SUB_KEYS | DELETE | KEY_QUERY_VALUE;
    result = RegOpenKeyExW(startKey, keyName, 0, mode, &hKey);
    if (result != ERROR_SUCCESS) {
	return result;
    }

    Tcl_DStringInit(&subkey);
    Tcl_DStringSetLength(&subkey, (int) (MAX_KEY_LENGTH * sizeof(WCHAR)));

    mode = saveMode;
    while (result == ERROR_SUCCESS) {
	/*
	 * Always get index 0 because key deletion changes ordering.
	 */

	size = MAX_KEY_LENGTH;
	result = RegEnumKeyExW(hKey, 0, (WCHAR *)Tcl_DStringValue(&subkey),
		&size, NULL, NULL, NULL, NULL);
	if (result == ERROR_NO_MORE_ITEMS) {
	    /*
	     * RegDeleteKeyEx doesn't exist on non-64bit XP platforms, so we
	     * can't compile with it in. We need to check for it at runtime
	     * and use it if we find it.
	     */

	    if (mode && !checkExProc) {
		HMODULE handle;

		checkExProc = 1;
		handle = GetModuleHandleW(L"ADVAPI32");
		regDeleteKeyExProc = (LSTATUS (*) (HKEY, LPCWSTR, REGSAM, DWORD))
			GetProcAddress(handle, "RegDeleteKeyExW");
	    }
	    if (mode && regDeleteKeyExProc) {
		result = regDeleteKeyExProc(startKey, keyName, mode, 0);
	    } else {
		result = RegDeleteKeyW(startKey, keyName);
	    }
	    break;
	} else if (result == ERROR_SUCCESS) {
	    result = RecursiveDeleteKey(hKey,
		    (const WCHAR *) Tcl_DStringValue(&subkey), mode);
	}
    }
    Tcl_DStringFree(&subkey);
    RegCloseKey(hKey);
    return result;
}


    }
    mode |= KEY_ALL_ACCESS;
    if (OpenKey(interp, keyNameObj, mode, 1, &key) != TCL_OK) {
	return TCL_ERROR;
    }

    valueName = Tcl_GetString(valueNameObj);
    Tcl_DStringInit(&nameBuf);
    valueName = (char *) Tcl_UtfToWCharDString(valueName, valueNameObj->length, &nameBuf);

    if (type == REG_DWORD || type == REG_DWORD_BIG_ENDIAN) {
	int value;

	if (Tcl_GetIntFromObj(interp, dataObj, &value) != TCL_OK) {
	    RegCloseKey(key);
	    Tcl_DStringFree(&nameBuf);
	    return TCL_ERROR;
	}

	value = ConvertDWORD((DWORD) type, (DWORD) value);
	result = RegSetValueExW(key, (WCHAR *) valueName, 0,
		(DWORD) type, (BYTE *) &value, sizeof(DWORD));
    } else if (type == REG_MULTI_SZ) {
	Tcl_DString data, buf;
	int objc, i;
	Tcl_Obj **objv;

	if (Tcl_ListObjGetElements(interp, dataObj, &objc, &objv) != TCL_OK) {

	    /*
	     * Add a null character to separate this value from the next.
	     */

	    Tcl_DStringAppend(&data, "", 1);	/* NUL-terminated string */
	}

	Tcl_DStringInit(&buf);
	Tcl_UtfToWCharDString(Tcl_DStringValue(&data), Tcl_DStringLength(&data)+1,
		&buf);
	result = RegSetValueExW(key, (WCHAR *) valueName, 0,
		(DWORD) type, (BYTE *) Tcl_DStringValue(&buf),
		(DWORD) Tcl_DStringLength(&buf));
	Tcl_DStringFree(&data);
	Tcl_DStringFree(&buf);
    } else if (type == REG_SZ || type == REG_EXPAND_SZ) {
	Tcl_DString buf;
	const char *data = Tcl_GetString(dataObj);

	Tcl_DStringInit(&buf);
	data = (char *) Tcl_UtfToWCharDString(data, dataObj->length, &buf);

	/*
	 * Include the null in the length, padding if needed for WCHAR.
	 */

	Tcl_DStringSetLength(&buf, Tcl_DStringLength(&buf)+1);

	result = RegSetValueExW(key, (WCHAR *) valueName, 0,
		(DWORD) type, (BYTE *) data, (DWORD) Tcl_DStringLength(&buf) + 1);
	Tcl_DStringFree(&buf);
    } else {
	BYTE *data;
	size_t bytelength;

	/*
	 * Store binary data in the registry.
	 */

	data = (BYTE *) getByteArrayFromObj(dataObj, &bytelength);
	result = RegSetValueExW(key, (WCHAR *) valueName, 0,
		(DWORD) type, data, (DWORD) bytelength);
    }

    Tcl_DStringFree(&nameBuf);
    RegCloseKey(key);

    if (result != ERROR_SUCCESS) {

	}
	if (Tcl_GetIntFromObj(interp, objv[2], &timeout) != TCL_OK) {
	    return TCL_ERROR;
	}
    }

    str = Tcl_GetString(objv[0]);
    Tcl_DStringInit(&ds);
    wstr = Tcl_UtfToWCharDString(str, objv[0]->length, &ds);
    if (Tcl_DStringLength(&ds) == 0) {
	wstr = NULL;
    }

    /*
     * Use the ignore the result.
     */

    result = SendMessageTimeoutW(HWND_BROADCAST, WM_SETTINGCHANGE,
	    (WPARAM) 0, (LPARAM) wstr, SMTO_ABORTIFHUNG, (UINT) timeout, &sendResult);
    Tcl_DStringFree(&ds);

    objPtr = Tcl_NewObj();
    Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewWideIntObj((Tcl_WideInt) result));
    Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewWideIntObj((Tcl_WideInt) sendResult));
    Tcl_SetObjResult(interp, objPtr);

static void
AppendSystemError(
    Tcl_Interp *interp,		/* Current interpreter. */
    DWORD error)		/* Result code from error. */
{
    int length;
    WCHAR *tMsgPtr, **tMsgPtrPtr = &tMsgPtr;
    const char *msg;
    char id[TCL_INTEGER_SPACE], msgBuf[24 + TCL_INTEGER_SPACE];
    Tcl_DString ds;
    Tcl_Obj *resultPtr = Tcl_GetObjResult(interp);

    if (Tcl_IsShared(resultPtr)) {
	resultPtr = Tcl_DuplicateObj(resultPtr);
    }
    length = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM
	    | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, error,
	    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (WCHAR *) tMsgPtrPtr,
	    0, NULL);
    if (length == 0) {
	sprintf(msgBuf, "unknown error: %ld", error);
	msg = msgBuf;
    } else {
	char *msgPtr;

	Tcl_DStringInit(&ds);
	Tcl_WCharToUtfDString(tMsgPtr, wcslen(tMsgPtr), &ds);
	LocalFree(tMsgPtr);

	msgPtr = Tcl_DStringValue(&ds);
	length = Tcl_DStringLength(&ds);

	/*
	 * Trim the trailing CR/LF from the system message.

	    break;
	}
	infoPtr = (SerialInfo *)pipeTI->clientData;

	buf = infoPtr->writeBuf;
	toWrite = infoPtr->toWrite;

	myWrite.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);

	/*
	 * Loop until all of the bytes are written or an error occurs.
	 */

	while (toWrite > 0) {
	    /*

     * Default is blocking.
     */

    SetCommTimeouts(handle, &no_timeout);

    InitializeCriticalSection(&infoPtr->csWrite);
    if (permissions & TCL_READABLE) {
	infoPtr->osRead.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
    }
    if (permissions & TCL_WRITABLE) {
	/*
	 * Initially the channel is writable and the writeThread is idle.
	 */

	infoPtr->osWrite.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
	infoPtr->evWritable = CreateEventW(NULL, TRUE, TRUE, NULL);
	infoPtr->writeThread = CreateThread(NULL, 256, SerialWriterThread,
		TclPipeThreadCreateTI(&infoPtr->writeTI, infoPtr,
			infoPtr->evWritable), 0, NULL);
    }

    /*
     * Files have default translation of AUTO and ^Z eof char, which means

    if (tsdPtr == NULL) {
	return;
    }

    if (tsdPtr->socketThread != NULL) {
	if (tsdPtr->hwnd != NULL) {
	    PostMessageW(tsdPtr->hwnd, SOCKET_TERMINATE, 0, 0);

	    /*
	     * Wait for the thread to exit. This ensures that we are
	     * completely cleaned up before we leave this function.
	     */

	    WaitForSingleObject(tsdPtr->readyEvent, INFINITE);

     * that we clear the FD_READ bit because read events are level triggered
     * so a new event will be generated if there is still data available to be
     * read. We have to simulate blocking behavior here since we are always
     * using non-blocking sockets.
     */

    while (1) {
	SendMessageW(tsdPtr->hwnd, SOCKET_SELECT,
		(WPARAM) UNSELECT, (LPARAM) statePtr);
	/* single fd operation: this proc is only called for a connected socket. */
	bytesRead = recv(statePtr->sockets->fd, buf, bufSize, 0);
	statePtr->readyEvents &= ~(FD_READ);

	/*
	 * Check for end-of-file condition or successful read.

	if (!WaitForSocketEvent(statePtr, FD_READ|FD_CLOSE, errorCodePtr)) {
	    bytesRead = -1;
	    break;
	}
    }

    SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM)SELECT, (LPARAM)statePtr);

    return bytesRead;
}

/*
 *----------------------------------------------------------------------
 *

     */

    if (WaitForConnect(statePtr, errorCodePtr) != 0) {
	return -1;
    }

    while (1) {
	SendMessageW(tsdPtr->hwnd, SOCKET_SELECT,
		(WPARAM) UNSELECT, (LPARAM) statePtr);

	/* single fd operation: this proc is only called for a connected socket. */
	written = send(statePtr->sockets->fd, buf, toWrite, 0);
	if (written != SOCKET_ERROR) {
	    /*
	     * Since Windows won't generate a new write event until we hit an

	if (!WaitForSocketEvent(statePtr, FD_WRITE|FD_CLOSE, errorCodePtr)) {
	    written = -1;
	    break;
	}
    }

    SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM)SELECT, (LPARAM)statePtr);

    return written;
}

/*
 *----------------------------------------------------------------------
 *

		/*
		 * Free list lock
		 */
		SetEvent(tsdPtr->socketListLock);

    		/* activate accept notification */
		SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
			(LPARAM) statePtr);
	    }

	    /*
	     * Attempt to connect to the remote socket.
	     */

	statePtr->selectEvents = FD_READ | FD_WRITE | FD_CLOSE;

	/*
	 * Register for interest in events in the select mask. Note that this
	 * automatically places the socket into non-blocking mode.
	 */

	SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
		    (LPARAM) statePtr);
    } else {
	/*
	 * Connect failed
	 */

	/*

    statePtr = NewSocketInfo((SOCKET) sock);

    /*
     * Start watching for read/write events on the socket.
     */

    statePtr->selectEvents = FD_READ | FD_CLOSE | FD_WRITE;
    SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM)SELECT, (LPARAM)statePtr);

    sprintf(channelName, SOCK_TEMPLATE, statePtr);
    statePtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
	    statePtr, (TCL_READABLE | TCL_WRITABLE));
    Tcl_SetChannelOption(NULL, statePtr->channel, "-translation", "auto crlf");
    return statePtr->channel;
}

	/*
	 * Register for interest in events in the select mask. Note that this
	 * automatically places the socket into non-blocking mode.
	 */

	ioctlsocket(sock, (long) FIONBIO, &flag);
	SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
		    (LPARAM) statePtr);
	if (Tcl_SetChannelOption(interp, statePtr->channel, "-eofchar", "")
	    == TCL_ERROR) {
	    Tcl_Close(NULL, statePtr->channel);
	    return NULL;
	}
	return statePtr->channel;

    newInfoPtr = NewSocketInfo(newSocket);

    /*
     * Select on read/write events and create the channel.
     */

    newInfoPtr->selectEvents = (FD_READ | FD_WRITE | FD_CLOSE);
    SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
	    (LPARAM) newInfoPtr);

    sprintf(channelName, SOCK_TEMPLATE, newInfoPtr);
    newInfoPtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
	    newInfoPtr, (TCL_READABLE | TCL_WRITABLE));
    if (Tcl_SetChannelOption(NULL, newInfoPtr->channel, "-translation",
	    "auto crlf") == TCL_ERROR) {

     */

    tsdPtr = TCL_TSD_INIT(&dataKey);
    tsdPtr->pendingTcpState = NULL;
    tsdPtr->socketList = NULL;
    tsdPtr->hwnd       = NULL;
    tsdPtr->threadId   = Tcl_GetCurrentThread();
    tsdPtr->readyEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
    if (tsdPtr->readyEvent == NULL) {
	goto initFailure;
    }
    tsdPtr->socketListLock = CreateEventW(NULL, FALSE, TRUE, NULL);
    if (tsdPtr->socketListLock == NULL) {
	goto initFailure;
    }
    tsdPtr->socketThread = CreateThread(NULL, 256, SocketThread, tsdPtr, 0,
	    &id);
    if (tsdPtr->socketThread == NULL) {
	goto initFailure;

	     * We must check to see if data is really available, since someone
	     * could have consumed the data in the meantime. Turn off async
	     * notification so select will work correctly. If the socket is
	     * still readable, notify the channel driver, otherwise reset the
	     * async select handler and keep waiting.
	     */

	    SendMessageW(tsdPtr->hwnd, SOCKET_SELECT,
		    (WPARAM) UNSELECT, (LPARAM) statePtr);

	    FD_ZERO(&readFds);
	    FD_SET(statePtr->sockets->fd, &readFds);
	    timeout.tv_usec = 0;
	    timeout.tv_sec = 0;

	    if (select(0, &readFds, NULL, NULL, &timeout) != 0) {
		mask |= TCL_READABLE;
	    } else {
		statePtr->readyEvents &= ~(FD_READ);
		SendMessageW(tsdPtr->hwnd, SOCKET_SELECT,
			(WPARAM) SELECT, (LPARAM) statePtr);
	    }
	}
    }

    /*
     * writable event

    oldMode = Tcl_SetServiceMode(TCL_SERVICE_NONE);

    /*
     * Reset WSAAsyncSelect so we have a fresh set of events pending.
     */

    SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) UNSELECT,
	    (LPARAM) statePtr);
    SendMessageW(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT,
	    (LPARAM) statePtr);

    while (1) {
	int event_found;

	/* get statePtr lock */
	WaitForSingleObject(tsdPtr->socketListLock, INFINITE);

    if (tsdPtr->hwnd == NULL) {
	return 1;
    }

    /*
     * Process all messages on the socket window until WM_QUIT. This threads
     * exits only when instructed to do so by the call to
     * PostMessageW(SOCKET_TERMINATE) in TclpFinalizeSockets().
     */

    while (GetMessageW(&msg, NULL, 0, 0) > 0) {
	DispatchMessageW(&msg);
    }

    /*
     * This releases waiters on thread exit in TclpFinalizeSockets()
     */

    SetEvent(tsdPtr->readyEvent);

    int event, error;
    SOCKET socket;
    TcpState *statePtr;
    int info_found = 0;
    TcpFdList *fds = NULL;
    ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
#ifdef _WIN64
	    GetWindowLongPtrW(hwnd, GWLP_USERDATA);
#else
	    GetWindowLong(hwnd, GWL_USERDATA);
#endif

    switch (message) {
    default:
	return DefWindowProcW(hwnd, message, wParam, lParam);
	break;

    case WM_CREATE:
	/*
	 * Store the initial tsdPtr, it's from a different thread, so it's not
	 * directly accessible, but needed.
	 */

#ifdef _WIN64
	SetWindowLongPtrW(hwnd, GWLP_USERDATA,
		(LONG_PTR) ((LPCREATESTRUCT)lParam)->lpCreateParams);
#else
	SetWindowLong(hwnd, GWL_USERDATA,
		(LONG) ((LPCREATESTRUCT)lParam)->lpCreateParams);
#endif
	break;

    }

    /*
     * Ensure that, or stop, notifications for the socket occur in this
     * thread.
     */

    SendMessageW(tsdPtr->hwnd, SOCKET_SELECT,
	    (WPARAM) notifyCmd, (LPARAM) statePtr);
}

/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 */

	 * that we do not explicitly call Tcl_ServiceEvent().
	 */

	done = 0;
	while (!done) {
	    MSG msg;

	    if (!GetMessageW(&msg, NULL, 0, 0)) {
		/*
		 * The application is exiting, so repost the quit message and
		 * start unwinding.
		 */

		PostQuitMessage((int) msg.wParam);
		break;
	    }
	    TranslateMessage(&msg);
	    DispatchMessageW(&msg);
	}
	(void) Tcl_SetServiceMode(oldMode);
	framePtr = oldFramePtr;
    } else {
	Tcl_AppendResult(interp, "bad option \"", Tcl_GetString(objv[1]),
		"\": must be done or wait", NULL);
	return TCL_ERROR;

	MASTER_LOCK;

	/*
	 * Create the per-thread event and queue pointers.
	 */

	if (tsdPtr->flags == WIN_THREAD_UNINIT) {
	    tsdPtr->condEvent = CreateEventW(NULL, TRUE /* manual reset */,
		    FALSE /* non signaled */, NULL);
	    tsdPtr->nextPtr = NULL;
	    tsdPtr->prevPtr = NULL;
	    tsdPtr->flags = WIN_THREAD_RUNNING;
	    doExit = 1;
	}
	MASTER_UNLOCK;

	     * calibrate it.
	     */

	    if (timeInfo.perfCounterAvailable) {
		DWORD id;

		InitializeCriticalSection(&timeInfo.cs);
		timeInfo.readyEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
		timeInfo.exitEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
		timeInfo.calibrationThread = CreateThread(NULL, 256,
			CalibrationThread, (LPVOID) NULL, 0, &id);
		SetThreadPriority(timeInfo.calibrationThread,
			THREAD_PRIORITY_HIGHEST);

		/*
		 * Wait for the thread just launched to start running, and