C++ PTR2INT函数代码示例

void *
TclpMakeTcpClientChannelMode(
    void *sock,		/* The socket to wrap up into a channel. */
    int mode)			/* ORed combination of TCL_READABLE and
				 * TCL_WRITABLE to indicate file mode. */
{
    TcpState *statePtr;
    char channelName[SOCK_CHAN_LENGTH];

    statePtr = ckalloc(sizeof(TcpState));
    memset(statePtr, 0, sizeof(TcpState));
    statePtr->fds.fd = PTR2INT(sock);
    statePtr->flags = 0;

    sprintf(channelName, SOCK_TEMPLATE, (long)statePtr);

    statePtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName,
	    statePtr, mode);
    if (Tcl_SetChannelOption(NULL, statePtr->channel, "-translation",
	    "auto crlf") == TCL_ERROR) {
	Tcl_Close(NULL, statePtr->channel);
	return NULL;
    }
    return statePtr->channel;
}

Atom
Tk_InternAtom(
    Tk_Window tkwin,		/* Window token; map name to atom for this
				 * window's display. */
    const char *name)		/* Name to turn into atom. */
{
    TkDisplay *dispPtr;
    Tcl_HashEntry *hPtr;
    int isNew;

    dispPtr = ((TkWindow *) tkwin)->dispPtr;
    if (!dispPtr->atomInit) {
	AtomInit(dispPtr);
    }

    hPtr = Tcl_CreateHashEntry(&dispPtr->nameTable, name, &isNew);
    if (isNew) {
	Tcl_HashEntry *hPtr2;
	Atom atom;

	atom = XInternAtom(dispPtr->display, name, False);
	Tcl_SetHashValue(hPtr, INT2PTR(atom));
	hPtr2 = Tcl_CreateHashEntry(&dispPtr->atomTable, INT2PTR(atom), &isNew);
	Tcl_SetHashValue(hPtr2, Tcl_GetHashKey(&dispPtr->nameTable, hPtr));
    }
    return (Atom)PTR2INT(Tcl_GetHashValue(hPtr));
}

void
Tcl_DeleteHashEntry(
    Tcl_HashEntry *entryPtr)
{
    register Tcl_HashEntry *prevPtr;
    const Tcl_HashKeyType *typePtr;
    Tcl_HashTable *tablePtr;
    Tcl_HashEntry **bucketPtr;
#if TCL_HASH_KEY_STORE_HASH
    int index;
#endif

    tablePtr = entryPtr->tablePtr;

    if (tablePtr->keyType == TCL_STRING_KEYS) {
	typePtr = &tclStringHashKeyType;
    } else if (tablePtr->keyType == TCL_ONE_WORD_KEYS) {
	typePtr = &tclOneWordHashKeyType;
    } else if (tablePtr->keyType == TCL_CUSTOM_TYPE_KEYS
	    || tablePtr->keyType == TCL_CUSTOM_PTR_KEYS) {
	typePtr = tablePtr->typePtr;
    } else {
	typePtr = &tclArrayHashKeyType;
    }

#if TCL_HASH_KEY_STORE_HASH
    if (typePtr->hashKeyProc == NULL
	    || typePtr->flags & TCL_HASH_KEY_RANDOMIZE_HASH) {
	index = RANDOM_INDEX(tablePtr, PTR2INT(entryPtr->hash));
    } else {
	index = PTR2UINT(entryPtr->hash) & tablePtr->mask;
    }

    bucketPtr = &tablePtr->buckets[index];
#else
    bucketPtr = entryPtr->bucketPtr;
#endif

    if (*bucketPtr == entryPtr) {
	*bucketPtr = entryPtr->nextPtr;
    } else {
	for (prevPtr = *bucketPtr; ; prevPtr = prevPtr->nextPtr) {
	    if (prevPtr == NULL) {
		Tcl_Panic("malformed bucket chain in Tcl_DeleteHashEntry");
	    }
	    if (prevPtr->nextPtr == entryPtr) {
		prevPtr->nextPtr = entryPtr->nextPtr;
		break;
	    }
	}
    }

    tablePtr->numEntries--;
    if (typePtr->freeEntryProc) {
	typePtr->freeEntryProc(entryPtr);
    } else {
	ckfree((char *) entryPtr);
    }
}

static BOOL CALLBACK
EnumChildrenProc(
    HWND hwnd,
    LPARAM lParam)
{
    Tcl_Obj *listObj = (Tcl_Obj *) lParam;

    Tcl_ListObjAppendElement(NULL, listObj, Tcl_NewLongObj(PTR2INT(hwnd)));
    return TRUE;
}

void *
rdpGetWindowPrivate(WindowPtr pWindow, rdpDevPrivateKey key)
{
    void *rv;

#if XRDP_PRI == 1
    rv = pWindow->devPrivates[PTR2INT(key)].ptr;
#else
    rv = dixLookupPrivate(&(pWindow->devPrivates), key);
#endif
    return rv;
}

void *
rdpGetPixmapPrivate(PixmapPtr pPixmap, rdpDevPrivateKey key)
{
    void *rv;

#if XRDP_PRI == 1
    rv = pPixmap->devPrivates[PTR2INT(key)].ptr;
#else
    rv = dixLookupPrivate(&(pPixmap->devPrivates), key);
#endif
    return rv;
}

void *
rdpGetGCPrivate(GCPtr pGC, rdpDevPrivateKey key)
{
    void *rv;

#if XRDP_PRI == 1
    rv = pGC->devPrivates[PTR2INT(key)].ptr;
#else
    rv = dixLookupPrivate(&(pGC->devPrivates), key);
#endif
    return rv;
}

void *
func(void * arg)
{
    int i = PTR2INT(arg);

    Sleep(i * 10);

    pthread_exit(arg);

    /* Never reached. */
    exit(1);
}

static int
TestgetwindowinfoObjCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    long hwnd;
    Tcl_Obj *dictObj = NULL, *classObj = NULL, *textObj = NULL;
    Tcl_Obj *childrenObj = NULL;
    TCHAR buf[512];
    int cch, cchBuf = 256;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "hwnd");
	return TCL_ERROR;
    }

    if (Tcl_GetLongFromObj(interp, objv[1], &hwnd) != TCL_OK)
	return TCL_ERROR;

    cch = GetClassName(INT2PTR(hwnd), buf, cchBuf);
    if (cch == 0) {
    	Tcl_SetObjResult(interp, Tcl_NewStringObj("failed to get class name: ", -1));
    	AppendSystemError(interp, GetLastError());
    	return TCL_ERROR;
    } else {
	Tcl_DString ds;
	Tcl_WinTCharToUtf(buf, -1, &ds);
	classObj = Tcl_NewStringObj(Tcl_DStringValue(&ds), Tcl_DStringLength(&ds));
	Tcl_DStringFree(&ds);
    }

    dictObj = Tcl_NewDictObj();
    Tcl_DictObjPut(interp, dictObj, Tcl_NewStringObj("class", 5), classObj);
    Tcl_DictObjPut(interp, dictObj, Tcl_NewStringObj("id", 2),
	Tcl_NewLongObj(GetWindowLongA(INT2PTR(hwnd), GWL_ID)));

    cch = GetWindowText(INT2PTR(hwnd), (LPTSTR)buf, cchBuf);
    textObj = Tcl_NewUnicodeObj((LPCWSTR)buf, cch);

    Tcl_DictObjPut(interp, dictObj, Tcl_NewStringObj("text", 4), textObj);
    Tcl_DictObjPut(interp, dictObj, Tcl_NewStringObj("parent", 6),
	Tcl_NewLongObj(PTR2INT(GetParent((INT2PTR(hwnd))))));

    childrenObj = Tcl_NewListObj(0, NULL);
    EnumChildWindows(INT2PTR(hwnd), EnumChildrenProc, (LPARAM)childrenObj);
    Tcl_DictObjPut(interp, dictObj, Tcl_NewStringObj("children", -1), childrenObj);

    Tcl_SetObjResult(interp, dictObj);
    return TCL_OK;
}

static int
TestfilewaitCmd(
    ClientData clientData,	/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int argc,			/* Number of arguments. */
    CONST char **argv)		/* Argument strings. */
{
    int mask, result, timeout;
    Tcl_Channel channel;
    int fd;
    ClientData data;

    if (argc != 4) {
	Tcl_AppendResult(interp, "wrong # arguments: should be \"", argv[0],
		" file readable|writable|both timeout\"", NULL);
	return TCL_ERROR;
    }
    channel = Tcl_GetChannel(interp, argv[1], NULL);
    if (channel == NULL) {
	return TCL_ERROR;
    }
    if (strcmp(argv[2], "readable") == 0) {
	mask = TCL_READABLE;
    } else if (strcmp(argv[2], "writable") == 0){
	mask = TCL_WRITABLE;
    } else if (strcmp(argv[2], "both") == 0){
	mask = TCL_WRITABLE|TCL_READABLE;
    } else {
	Tcl_AppendResult(interp, "bad argument \"", argv[2],
		"\": must be readable, writable, or both", NULL);
	return TCL_ERROR;
    }
    if (Tcl_GetChannelHandle(channel,
	    (mask & TCL_READABLE) ? TCL_READABLE : TCL_WRITABLE,
	    (ClientData*) &data) != TCL_OK) {
	Tcl_SetResult(interp, "couldn't get channel file", TCL_STATIC);
	return TCL_ERROR;
    }
    fd = PTR2INT(data);
    if (Tcl_GetInt(interp, argv[3], &timeout) != TCL_OK) {
	return TCL_ERROR;
    }
    result = TclUnixWaitForFile(fd, mask, timeout);
    if (result & TCL_READABLE) {
	Tcl_AppendElement(interp, "readable");
    }
    if (result & TCL_WRITABLE) {
	Tcl_AppendElement(interp, "writable");
    }
    return TCL_OK;
}

static int
NextRestoreFrame(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
    Interp *iPtr = (Interp *) interp;
    CallContext *contextPtr = data[1];

    iPtr->varFramePtr = data[0];
    if (contextPtr != NULL) {
        contextPtr->index = PTR2INT(data[2]);
    }
    return result;
}

int
Tk_GetElementId(
    const char *name)		/* Name of the element. */
{
    ThreadSpecificData *tsdPtr =
	    Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
    Tcl_HashEntry *entryPtr;
    int genericId = -1;
    char *dot;

    /*
     * Find the element Id.
     */

    entryPtr = Tcl_FindHashEntry(&tsdPtr->elementTable, name);
    if (entryPtr) {
	return PTR2INT(Tcl_GetHashValue(entryPtr));
    }

    /*
     * Element not found. If the given name was derived, then first search for
     * the generic element. If found, create the new derived element.
     */

    dot = strchr(name, '.');
    if (!dot) {
	return -1;
    }
    genericId = Tk_GetElementId(dot+1);
    if (genericId == -1) {
	return -1;
    }
    if (!tsdPtr->elements[genericId].created) {
	/*
	 * The generic element was created implicitly and thus has no real
	 * existence.
	 */

	return -1;
    } else {
	/*
	 * The generic element was created explicitly. Create the derived
	 * element.
	 */

	return CreateElement(name, 1);
    }
}

rdpDevPrivateKey
rdpAllocatePixmapPrivate(ScreenPtr pScreen, int bytes)
{
    rdpDevPrivateKey rv;

#if XRDP_PRI == 1
    rv = INT2PTR(AllocatePixmapPrivateIndex());
    AllocatePixmapPrivate(pScreen, PTR2INT(rv), bytes);
#elif XRDP_PRI == 2
    dixRequestPrivate(&g_privateKeyRecPixmap, bytes);
    rv = &g_privateKeyRecPixmap;
#else
    dixRegisterPrivateKey(&g_privateKeyRecPixmap, PRIVATE_PIXMAP, bytes);
    rv = &g_privateKeyRecPixmap;
#endif
    return rv;
}

rdpDevPrivateKey
rdpAllocateWindowPrivate(ScreenPtr pScreen, int bytes)
{
    rdpDevPrivateKey rv;

#if XRDP_PRI == 1
    rv = INT2PTR(AllocateWindowPrivateIndex());
    AllocateWindowPrivate(pScreen, PTR2INT(rv), bytes);
#elif XRDP_PRI == 2
    dixRequestPrivate(&g_privateKeyRecWindow, bytes);
    rv = &g_privateKeyRecWindow;
#else
    dixRegisterPrivateKey(&g_privateKeyRecWindow, PRIVATE_WINDOW, bytes);
    rv = &g_privateKeyRecWindow;
#endif
    return rv;
}

Tcl_Channel
Tcl_MakeFileChannel(
    ClientData handle,		/* OS level handle. */
    int mode)			/* ORed combination of TCL_READABLE and
				 * TCL_WRITABLE to indicate file mode. */
{
    FileState *fsPtr;
    char channelName[16 + TCL_INTEGER_SPACE];
    int fd = PTR2INT(handle);
    const Tcl_ChannelType *channelTypePtr;
    struct sockaddr sockaddr;
    socklen_t sockaddrLen = sizeof(sockaddr);

    if (mode == 0) {
	return NULL;
    }

    sockaddr.sa_family = AF_UNSPEC;

#ifdef SUPPORTS_TTY
    if (isatty(fd)) {
	channelTypePtr = &ttyChannelType;
	sprintf(channelName, "serial%d", fd);
    } else
#endif /* SUPPORTS_TTY */
    if ((getsockname(fd, (struct sockaddr *)&sockaddr, &sockaddrLen) == 0)
	&& (sockaddrLen > 0)
	&& (sockaddr.sa_family == AF_INET || sockaddr.sa_family == AF_INET6)) {
	return TclpMakeTcpClientChannelMode(INT2PTR(fd), mode);
    } else {
	channelTypePtr = &fileChannelType;
	sprintf(channelName, "file%d", fd);
    }

    fsPtr = ckalloc(sizeof(FileState));
    fsPtr->fd = fd;
    fsPtr->validMask = mode | TCL_EXCEPTION;
    fsPtr->channel = Tcl_CreateChannel(channelTypePtr, channelName,
	    fsPtr, mode);

    return fsPtr->channel;
}