Add support for ARM linux TS lib (disabled by default) in kdrive
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XCOMM $XConsortium: Imakefile /main/10 1996/12/02 10:20:33 lehors $
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XCOMM $XFree86: xc/programs/Xserver/hw/kdrive/linux/Imakefile,v 1.7 2001/09/29 04:16:39 keithp Exp $
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XCOMM $XFree86: xc/programs/Xserver/hw/kdrive/linux/Imakefile,v 1.8 2001/10/12 06:33:09 keithp Exp $
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KDRIVE=..
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#include "../Kdrive.tmpl"
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#if TouchScreen
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#if HasTsLib
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TSSRCS = tslib.c
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TSOBJS = tslib.o
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#else
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TSSRCS = ts.c
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TSOBJS = ts.o
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#endif
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#endif
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SRCS = keyboard.c linux.c mouse.c ps2.c bus.c ms.c agp.c $(TSSRCS)
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187
hw/kdrive/linux/tslib.c
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187
hw/kdrive/linux/tslib.c
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/*
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* $XFree86$
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* TSLIB based touchscreen driver for TinyX
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* Derived from ts.c by Keith Packard
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* Derived from ps2.c by Jim Gettys
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*
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* Copyright © 1999 Keith Packard
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* Copyright © 2000 Compaq Computer Corporation
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* Copyright © 2002 MontaVista Software Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard or Compaq not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard and Compaq makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD AND COMPAQ DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
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* IN NO EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Michael Taht or MontaVista not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Michael Taht and Montavista make no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* MICHAEL TAHT AND MONTAVISTA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
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* IN NO EVENT SHALL EITHER BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#define NEED_EVENTS
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#include "X.h"
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#include "Xproto.h"
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#include "inputstr.h"
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#include "scrnintstr.h"
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#include "kdrive.h"
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#include "Xpoll.h"
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#include <sys/ioctl.h>
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#include <tslib.h>
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static long lastx = 0, lasty = 0;
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int TsScreen;
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extern int TsFbdev;
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static struct tsdev *tsDev = NULL;
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void
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TsRead (int tsPort, void *closure)
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{
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KdMouseInfo *mi = closure;
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int fd = (int) mi->driver;
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struct ts_sample event;
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int n;
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long pressure;
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long x, y;
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unsigned long flags;
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unsigned long buttons;
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n = ts_read(tsDev, &event, 1);
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if (n == 1)
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{
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if (event.pressure)
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{
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/*
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* HACK ATTACK. (static global variables used !)
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* Here we test for the touch screen driver actually being on the
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* touch screen, if it is we send absolute coordinates. If not,
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* then we send delta's so that we can track the entire vga screen.
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*/
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if (TsScreen == TsFbdev) {
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flags = KD_BUTTON_1;
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x = event.x;
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y = event.y;
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} else {
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flags = /* KD_BUTTON_1 |*/ KD_MOUSE_DELTA;
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if ((lastx == 0) || (lasty == 0)) {
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x = 0;
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y = 0;
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} else {
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x = event.x - lastx;
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y = event.y - lasty;
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}
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lastx = event.x;
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lasty = event.y;
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}
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} else {
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flags = KD_MOUSE_DELTA;
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x = 0;
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y = 0;
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lastx = 0;
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lasty = 0;
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}
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KdEnqueueMouseEvent (mi, flags, x, y);
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}
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}
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static char *TsNames[] = {
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"/dev/ts",
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"/dev/touchscreen/0",
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};
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#define NUM_TS_NAMES (sizeof (TsNames) / sizeof (TsNames[0]))
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int TsInputType;
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int
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TslibInit (void)
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{
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int i;
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KdMouseInfo *mi, *next;
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int fd= 0;
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int n = 0;
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if (!TsInputType)
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TsInputType = KdAllocInputType ();
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for (mi = kdMouseInfo; mi; mi = next)
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{
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next = mi->next;
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if (mi->inputType)
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continue;
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if (!mi->name)
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{
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for (i = 0; i < NUM_TS_NAMES; i++)
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{
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if(!(tsDev = ts_open(TsNames[i],0))) continue;
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ts_config(tsDev);
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fd=ts_fd(tsDev);
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if (fd >= 0)
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{
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mi->name = KdSaveString (TsNames[i]);
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break;
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}
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}
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}
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if (fd > 0 && tsDev != 0)
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{
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mi->driver = (void *) fd;
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mi->inputType = TsInputType;
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if (KdRegisterFd (TsInputType, fd, TsRead, (void *) mi))
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n++;
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}
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else
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if (fd > 0) close(fd);
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}
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}
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void
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TslibFini (void)
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{
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KdMouseInfo *mi;
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KdUnregisterFds (TsInputType, TRUE);
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for (mi = kdMouseInfo; mi; mi = mi->next)
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{
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if (mi->inputType == TsInputType)
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{
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if(mi->driver) ts_close(tsDev);
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mi->driver = 0;
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mi->inputType = 0;
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}
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}
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}
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KdMouseFuncs TsFuncs = {
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TslibInit,
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TslibFini
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};
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