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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
commitb16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch)
tree4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/programs/Xserver/lbx/lbxopts.c
parent0d5a83e986f39982c0924652a3662e60b1f23162 (diff)
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massive reduction of unneeded files
Diffstat (limited to 'nx-X11/programs/Xserver/lbx/lbxopts.c')
-rw-r--r--nx-X11/programs/Xserver/lbx/lbxopts.c806
1 files changed, 0 insertions, 806 deletions
diff --git a/nx-X11/programs/Xserver/lbx/lbxopts.c b/nx-X11/programs/Xserver/lbx/lbxopts.c
deleted file mode 100644
index eac51bcea..000000000
--- a/nx-X11/programs/Xserver/lbx/lbxopts.c
+++ /dev/null
@@ -1,806 +0,0 @@
-/* $Xorg: lbxopts.c,v 1.3 2000/08/17 19:53:31 cpqbld Exp $ */
-/*
- * Copyright 1994 Network Computing Devices, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name Network Computing Devices, Inc. not be
- * used in advertising or publicity pertaining to distribution of this
- * software without specific, written prior permission.
- *
- * THIS SOFTWARE IS PROVIDED `AS-IS'. NETWORK COMPUTING DEVICES, INC.,
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT
- * LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NONINFRINGEMENT. IN NO EVENT SHALL NETWORK
- * COMPUTING DEVICES, INC., BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING
- * SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF USE, DATA,
- * OR PROFITS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF, AND REGARDLESS OF
- * WHETHER IN AN ACTION IN CONTRACT, TORT OR NEGLIGENCE, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-/* $XFree86: xc/programs/Xserver/lbx/lbxopts.c,v 1.5 2001/01/17 22:37:00 dawes Exp $ */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifdef OPTDEBUG
-#include <stdio.h>
-#endif
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "colormapst.h"
-#include "propertyst.h"
-#include "lbxserve.h"
-#include <X11/extensions/lbxstr.h>
-#include <X11/extensions/lbximage.h>
-#include <X11/extensions/lbxopts.h>
-#include "lbxsrvopts.h"
-#ifndef NO_ZLIB
-#include <X11/extensions/lbxzlib.h>
-#endif /* NO_ZLIB */
-
-static int LbxProxyDeltaOpt ( LbxNegOptsPtr pno, unsigned char *popt,
- int optlen, unsigned char *preply );
-static int LbxServerDeltaOpt ( LbxNegOptsPtr pno, unsigned char *popt,
- int optlen, unsigned char *preply );
-static int LbxDeltaOpt ( unsigned char *popt, int optlen,
- unsigned char *preply, short *pn, short *pmaxlen );
-static int LbxStreamCompOpt ( LbxNegOptsPtr pno, unsigned char *popt,
- int optlen, unsigned char *preply );
-static int ZlibParse ( LbxNegOptsPtr pno, unsigned char *popt, int optlen,
- unsigned char *preply );
-static int LbxMessageCompOpt ( LbxNegOptsPtr pno, unsigned char *popt,
- int optlen, unsigned char *preply );
-static int LbxUseTagsOpt ( LbxNegOptsPtr pno, unsigned char *popt,
- int optlen, unsigned char *preply );
-static int LbxBitmapCompOpt ( LbxNegOptsPtr pno, unsigned char *popt,
- int optlen, unsigned char *preply );
-static int LbxPixmapCompOpt ( LbxNegOptsPtr pno, unsigned char *popt,
- int optlen, unsigned char *preply );
-static int MergeDepths ( int *depths, LbxPixmapCompMethod *method );
-static int LbxCmapAllOpt ( LbxNegOptsPtr pno, unsigned char *popt,
- int optlen, unsigned char *preply );
-
-/*
- * List of LBX options we recognize and are willing to negotiate
- */
-static struct _LbxOptionParser {
- CARD8 optcode;
- int (*parser)(LbxNegOptsPtr, unsigned char *,
- int, unsigned char *);
-} LbxOptions[] = {
- { LBX_OPT_DELTA_PROXY, LbxProxyDeltaOpt },
- { LBX_OPT_DELTA_SERVER, LbxServerDeltaOpt },
- { LBX_OPT_STREAM_COMP, LbxStreamCompOpt },
- { LBX_OPT_BITMAP_COMP, LbxBitmapCompOpt },
- { LBX_OPT_PIXMAP_COMP, LbxPixmapCompOpt },
- { LBX_OPT_MSG_COMP, LbxMessageCompOpt },
- { LBX_OPT_USE_TAGS, LbxUseTagsOpt },
- { LBX_OPT_CMAP_ALL, LbxCmapAllOpt }
-};
-
-#define LBX_N_OPTS (sizeof(LbxOptions) / sizeof(struct _LbxOptionParser))
-
-/*
- * Set option defaults
- */
-void
-LbxOptionInit(LbxNegOptsPtr pno)
-{
- bzero(pno, sizeof(LbxNegOptsRec));
- pno->proxyDeltaN = pno->serverDeltaN = LBX_OPT_DELTA_NCACHE_DFLT;
- pno->proxyDeltaMaxLen = pno->serverDeltaMaxLen = LBX_OPT_DELTA_MSGLEN_DFLT;
- pno->squish = TRUE;
- pno->numBitmapCompMethods = 0;
- pno->bitmapCompMethods = NULL;
- pno->numPixmapCompMethods = 0;
- pno->pixmapCompMethods = NULL;
- pno->pixmapCompDepths = NULL;
- pno->useTags = TRUE;
-}
-
-int
-LbxOptionParse(LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-{
- int i;
- int nopts = *popt++;
- unsigned char *pout = preply;
-
- for (i = 0; i < nopts; i++) {
- int j;
- int len;
- int hdrlen;
- int replylen;
-
- LBX_OPT_DECODE_LEN(popt + 1, len, hdrlen);
- if (len < ++hdrlen || len > optlen) {
-#ifdef OPTDEBUG
- fprintf(stderr, "bad option length, len = %d, hdrlen = %d, optlen = %d\n", len, hdrlen, optlen);
-#endif
- return -1;
- }
-
- for (j = 0; j < LBX_N_OPTS; j++) {
- if (popt[0] == LbxOptions[j].optcode) {
- replylen = (*LbxOptions[j].parser)(pno,
- popt + hdrlen,
- len - hdrlen,
- pout + LBX_OPT_SMALLHDR_LEN);
- if (replylen < 0)
- return -1;
- else if (replylen > 0) {
- /*
- * None of the current options require big headers,
- * so this works for now.
- */
- *pout++ = i;
- *pout++ = LBX_OPT_SMALLHDR_LEN + replylen;
- pout += replylen;
- pno->nopts++;
- }
- break;
- }
- }
-
- optlen -= len;
- popt += len;
- }
-
- return (pout - preply);
-}
-
-static int
-LbxProxyDeltaOpt(LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-{
- return LbxDeltaOpt(popt, optlen, preply,
- &pno->proxyDeltaN, &pno->proxyDeltaMaxLen);
-}
-
-static int
-LbxServerDeltaOpt(LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-{
- return LbxDeltaOpt(popt, optlen, preply,
- &pno->serverDeltaN, &pno->serverDeltaMaxLen);
-}
-
-static int
-LbxDeltaOpt(unsigned char *popt,
- int optlen,
- unsigned char *preply,
- short *pn,
- short *pmaxlen)
-{
- short n;
- short maxlen;
-
- /*
- * If there's more data than we expect, we just ignore it.
- */
- if (optlen < LBX_OPT_DELTA_REQLEN) {
-#ifdef OPTDEBUG
- fprintf(stderr, "bad delta option length = %d\n", optlen);
-#endif
- return -1;
- }
-
- /*
- * Accept whatever value the proxy prefers, so skip the
- * min/max offerings. Note that the max message len value is
- * encoded as the number of 4-byte values.
- */
- popt += 2;
- n = *popt++;
- popt += 2;
- maxlen = *popt++;
- if ((maxlen <<= 2) == 0)
- n = 0;
- else if (maxlen < 32) {
-#ifdef OPTDEBUG
- fprintf(stderr, "bad delta max msg length %d\n", maxlen);
-#endif
- return -1;
- }
-
- /*
- * Put the response in the reply buffer
- */
- *preply++ = n;
- *preply++ = maxlen >> 2;
-
- *pn = n;
- *pmaxlen = maxlen;
-
- return LBX_OPT_DELTA_REPLYLEN;
-}
-
-
-static struct _LbxStreamCompParser {
- int typelen;
- char *type;
- int (*parser)(LbxNegOptsPtr, unsigned char *,
- int, unsigned char *);
-} LbxStreamComp[] = {
-#ifndef NO_ZLIB
- { ZLIB_STRCOMP_OPT_LEN, ZLIB_STRCOMP_OPT, ZlibParse },
-#endif /* NO_ZLIB */
-};
-
-#define LBX_N_STRCOMP \
- (sizeof(LbxStreamComp) / sizeof(struct _LbxStreamCompParser))
-
-static int
-LbxStreamCompOpt(LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-{
- int i;
- int typelen;
- int nopts = *popt++;
-
- for (i = 0; i < nopts; i++) {
- int j;
- int len;
- int lensize;
- int replylen;
-
- typelen = popt[0];
- for (j = 0; j < LBX_N_STRCOMP; j++) {
- if (typelen == LbxStreamComp[j].typelen &&
- !strncmp((char *) popt + 1, LbxStreamComp[j].type, typelen))
- break;
- }
-
- popt += 1 + typelen;
- optlen -= 1 + typelen;
- LBX_OPT_DECODE_LEN(popt, len, lensize);
-
- if (j < LBX_N_STRCOMP) {
- if (len > optlen)
- return -1;
- replylen = (*LbxStreamComp[j].parser)(pno,
- popt + lensize,
- len - lensize,
- preply + 1);
- if (replylen == -1)
- return -1;
- else if (replylen >= 0) {
- *preply = i;
- return replylen + 1;
- }
- }
-
- optlen -= len;
- popt += len;
- }
-
- return 0;
-}
-
-
-static int
-ZlibParse(LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-{
- int level; /* compression level */
-
- if (*popt++ != 1) /* length should be 1 */
- return (-1);
-
- level = *popt;
- if (level < 1 || level > 9)
- return (-1);
-
- pno->streamOpts.streamCompInit =
- (LbxStreamCompHandle (*)(int, pointer))ZlibInit;
- pno->streamOpts.streamCompArg = (pointer)(long)level;
- pno->streamOpts.streamCompStuffInput = ZlibStuffInput;
- pno->streamOpts.streamCompInputAvail = ZlibInputAvail;
- pno->streamOpts.streamCompFlush = ZlibFlush;
- pno->streamOpts.streamCompRead = ZlibRead;
- pno->streamOpts.streamCompWriteV = ZlibWriteV;
- pno->streamOpts.streamCompOn = ZlibCompressOn;
- pno->streamOpts.streamCompOff = ZlibCompressOff;
- pno->streamOpts.streamCompFreeHandle =
- (void (*)(LbxStreamCompHandle))ZlibFree;
-
- return (0);
-}
-
-static int
-LbxMessageCompOpt(LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-{
-
- if (optlen == 0) {
-#ifdef OPTDEBUG
- fprintf(stderr, "bad message-comp option length specified %d\n", optlen);
-#endif
- return -1;
- }
-
- pno->squish = *preply = *popt;
- return 1;
-}
-
-
-static int
-LbxUseTagsOpt(LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-{
-
- if (optlen == 0) {
-#ifdef OPTDEBUG
- fprintf(stderr, "bad use-tags option length specified %d\n", optlen);
-#endif
- return -1;
- }
-
- pno->useTags = *preply = *popt;
- return 1;
-}
-
-
-/*
- * Option negotiation for image compression
- */
-
-LbxBitmapCompMethod
-LbxBitmapCompMethods [] = {
- {
- "XC-FaxG42D", /* compression method name */
- 0, /* inited */
- 2, /* method opcode */
- NULL, /* init function */
- LbxImageEncodeFaxG42D, /* encode function */
- LbxImageDecodeFaxG42D /* decode function */
- }
-};
-
-#define NUM_BITMAP_METHODS \
- (sizeof (LbxBitmapCompMethods) / sizeof (LbxBitmapCompMethod))
-
-
-#if 1
-/*
- * Currently, we don't support any pixmap compression algorithms
- * because regular stream compression does much better than PackBits.
- * If we want to plug in a better pixmap image compression algorithm,
- * it would go here.
- */
-
-#define NUM_PIXMAP_METHODS 0
-LbxPixmapCompMethod LbxPixmapCompMethods [1]; /* dummy */
-
-#else
-
-LbxPixmapCompMethod
-LbxPixmapCompMethods [] = {
- {
- "XC-PackBits", /* compression method name */
- 1 << ZPixmap, /* formats supported */
- 1, {8}, /* depths supported */
- 0, /* inited */
- 1, /* method opcode */
- NULL, /* init function */
- LbxImageEncodePackBits, /* encode function */
- LbxImageDecodePackBits /* decode function */
- }
-};
-
-#define NUM_PIXMAP_METHODS \
- (sizeof (LbxPixmapCompMethods) / sizeof (LbxPixmapCompMethod))
-#endif
-
-
-static int
-LbxImageCompOpt (Bool pixmap,
- LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-
-{
- unsigned char *preplyStart = preply;
- int numMethods = *popt++;
- unsigned char *myIndices, *hisIndices;
- unsigned int *retFormats = NULL;
- int **retDepths = NULL;
- int replyCount = 0;
- int status, i, j;
-
- if (numMethods == 0)
- {
- if (pixmap)
- pno->numPixmapCompMethods = 0;
- else
- pno->numBitmapCompMethods = 0;
-
- *preply++ = 0;
- return (1);
- }
-
- myIndices = (unsigned char *) xalloc (numMethods);
- hisIndices = (unsigned char *) xalloc (numMethods);
-
- if (!myIndices || !hisIndices)
- {
- if (myIndices)
- xfree (myIndices);
- if (hisIndices)
- xfree (hisIndices);
- return -1;
- }
-
- if (pixmap)
- {
- retFormats = (unsigned *) xalloc (numMethods);
- retDepths = (int **) xalloc (numMethods * sizeof (int *));
-
- if (!retFormats || !retDepths)
- {
- if (retFormats)
- xfree (retFormats);
- if (retDepths)
- xfree (retDepths);
- xfree (myIndices);
- xfree (hisIndices);
- return -1;
- }
- }
-
- /*
- * For each method in the list sent by the proxy, see if the server
- * supports this method. If YES, update the following lists:
- *
- * myIndices[] is a list of indices into the server's
- * LbxBit[Pix]mapCompMethods table.
- *
- * hisIndices[] is a list of indices into the list of
- * method names sent by the proxy.
- *
- * retFormats[] indicates for each pixmap compression method,
- * the pixmap formats supported.
- *
- * retDepths[] indicates for each pixmap compression method,
- * the pixmap depths supported.
- */
-
- for (i = 0; i < numMethods; i++)
- {
- unsigned int formatMask = 0, newFormatMask = 0;
- int depthCount, *depths = NULL, len;
- int freeDepths;
- char *methodName;
-
- freeDepths = 0;
- len = *popt++;
- methodName = (char *) popt;
- popt += len;
-
- if (pixmap)
- {
- formatMask = *popt++;
- depthCount = *popt++;
- depths = (int *) xalloc ((depthCount + 1) * sizeof (int));
- freeDepths = 1;
- depths[0] = depthCount;
- for (j = 1; j <= depthCount; j++)
- depths[j] = *popt++;
- }
-
- for (j = 0;
- j < (pixmap ? NUM_PIXMAP_METHODS : NUM_BITMAP_METHODS); j++)
- {
-
- status = strncmp (methodName,
- (pixmap ? LbxPixmapCompMethods[j].methodName :
- LbxBitmapCompMethods[j].methodName),
- len);
-
- if (status == 0 && pixmap)
- {
- newFormatMask =
- formatMask & LbxPixmapCompMethods[j].formatMask;
-
- depthCount = MergeDepths (depths, &LbxPixmapCompMethods[j]);
-
- if (newFormatMask == 0 || depthCount == 0)
- status = 1;
- }
-
- if (status == 0)
- {
- myIndices[replyCount] = j;
- hisIndices[replyCount] = i;
-
- if (pixmap)
- {
- retFormats[replyCount] = newFormatMask;
- retDepths[replyCount] = depths;
- freeDepths = 0;
- }
-
- replyCount++;
- break;
- }
- }
-
- if (freeDepths)
- xfree (depths);
- }
-
- *preply++ = replyCount;
-
- /*
- * Sort the lists by LBX server preference (increasing myIndices[] vals)
- */
-
- for (i = 0; i <= replyCount - 2; i++)
- for (j = replyCount - 1; j >= i; j--)
- if (myIndices[j - 1] > myIndices[j])
- {
- char temp1 = myIndices[j - 1];
- char temp2 = hisIndices[j - 1];
-
- myIndices[j - 1] = myIndices[j];
- myIndices[j] = temp1;
-
- hisIndices[j - 1] = hisIndices[j];
- hisIndices[j] = temp2;
-
- if (pixmap)
- {
- unsigned temp3 = retFormats[j - 1];
- int *temp4 = retDepths[j - 1];
-
- retFormats[j - 1] = retFormats[j];
- retFormats[j] = temp3;
-
- retDepths[j - 1] = retDepths[j];
- retDepths[j] = temp4;
- }
- }
-
- /*
- * For each method supported, return to the proxy an index into
- * the list sent by the proxy, the opcode to be used for the method,
- * the pixmap formats supported, and the list of depths supported.
- */
-
- for (i = 0; i < replyCount; i++)
- {
- *preply++ = hisIndices[i];
-
- if (pixmap)
- {
- int left;
- *preply++ = LbxPixmapCompMethods[myIndices[i]].methodOpCode;
- *preply++ = retFormats[i];
- *preply++ = left = retDepths[i][0];
- j = 1;
- while (left > 0)
- {
- *preply++ = retDepths[i][j];
- left--;
- }
- }
- else
- {
- *preply++ = LbxBitmapCompMethods[myIndices[i]].methodOpCode;
- }
- }
-
- if (pixmap)
- {
- pno->numPixmapCompMethods = replyCount;
- pno->pixmapCompMethods = myIndices;
- pno->pixmapCompDepths = retDepths;
- }
- else
- {
- pno->numBitmapCompMethods = replyCount;
- pno->bitmapCompMethods = myIndices;
- }
-
- if (hisIndices)
- xfree (hisIndices);
-
- if (pixmap)
- {
- if (retFormats)
- xfree (retFormats);
- }
-
- return (preply - preplyStart);
-}
-
-
-
-static int
-LbxBitmapCompOpt (LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-
-{
- return (LbxImageCompOpt (0 /* bitmap */, pno, popt, optlen, preply));
-}
-
-
-static int
-LbxPixmapCompOpt (LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-
-{
- return (LbxImageCompOpt (1 /* Pixmap */, pno, popt, optlen, preply));
-}
-
-
-LbxBitmapCompMethod *
-LbxSrvrLookupBitmapCompMethod (LbxProxyPtr proxy,
- int methodOpCode)
-
-{
- int i;
-
- for (i = 0; i < proxy->numBitmapCompMethods; i++)
- {
- LbxBitmapCompMethod *method;
-
- method = &LbxBitmapCompMethods[proxy->bitmapCompMethods[i]];
-
- if (method->methodOpCode == methodOpCode)
- return (method);
- }
-
- return (NULL);
-}
-
-
-LbxPixmapCompMethod *
-LbxSrvrLookupPixmapCompMethod (LbxProxyPtr proxy,
- int methodOpCode)
-
-{
- int i;
-
- for (i = 0; i < proxy->numPixmapCompMethods; i++)
- {
- LbxPixmapCompMethod *method;
-
- method = &LbxPixmapCompMethods[proxy->pixmapCompMethods[i]];
-
- if (method->methodOpCode == methodOpCode)
- return (method);
- }
-
- return (NULL);
-}
-
-
-LbxBitmapCompMethod *
-LbxSrvrFindPreferredBitmapCompMethod (LbxProxyPtr proxy)
-
-{
- if (proxy->numBitmapCompMethods == 0)
- return NULL;
- else
- return (&LbxBitmapCompMethods[proxy->bitmapCompMethods[0]]);
-}
-
-
-
-LbxPixmapCompMethod *
-LbxSrvrFindPreferredPixmapCompMethod (LbxProxyPtr proxy,
- int format,
- int depth)
-
-{
- if (proxy->numPixmapCompMethods == 0)
- return NULL;
- else
- {
- LbxPixmapCompMethod *method;
- int i, j;
-
- for (i = 0; i < proxy->numPixmapCompMethods; i++)
- {
- method = &LbxPixmapCompMethods[proxy->pixmapCompMethods[i]];
-
- if ((method->formatMask & (1 << format)))
- {
- int n = proxy->pixmapCompDepths[i][0];
- j = 1;
- while (n > 0)
- {
- if (depth == proxy->pixmapCompDepths[i][j])
- return method;
- else
- n--;
- }
- }
- }
-
- return NULL;
- }
-}
-
-
-static int
-MergeDepths (int *depths,
- LbxPixmapCompMethod *method)
-
-{
- int i, j, count;
- int temp[LBX_MAX_DEPTHS + 1];
-
- temp[0] = count = 0;
-
- for (i = 1; i <= depths[0]; i++)
- {
- for (j = 0; j < method->depthCount; j++)
- if (method->depths[j] == depths[i])
- {
- temp[0]++;
- temp[++count] = depths[i];
- break;
- }
- }
-
- memcpy (depths, temp, (count + 1) * sizeof (int));
-
- return (count);
-}
-
-
-#define LbxCmapAllMethod "XC-CMAP"
-
-static int
-LbxCmapAllOpt (LbxNegOptsPtr pno,
- unsigned char *popt,
- int optlen,
- unsigned char *preply)
-
-{
- int numMethods = *popt++;
- int i;
-
- for (i = 0; i < numMethods; i++)
- {
- int len;
- char *methodName;
-
- len = *popt++;
- methodName = (char *) popt;
- popt += len;
- if (!strncmp(methodName, LbxCmapAllMethod, len))
- break;
- }
- if (i >= numMethods)
- i = 0; /* assume first one is proxy's favorite */
- *preply = i;
- return 1;
-}