Merge branch 'nxagent'

1 files changed, 2805 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXdixfonts.c b/nx-X11/programs/Xserver/hw/nxagent/X/NXdixfonts.c
new file mode 100644
index 000000000..3234c9929
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/X/NXdixfonts.c
@@ -0,0 +1,2805 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXAGENT, NX protocol compression and NX extensions to this software    */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+/* $XdotOrg: xc/programs/Xserver/dix/dixfonts.c,v 1.8 2005/07/03 08:53:38 daniels Exp $ */
+/* $XFree86: xc/programs/Xserver/dix/dixfonts.c,v 3.28 2003/11/08 02:02:03 dawes Exp $ */
+/************************************************************************
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+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 of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+************************************************************************/
+/* The panoramix components contained the following notice */
+/*
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+/* $Xorg: dixfonts.c,v 1.4 2000/08/17 19:48:18 cpqbld Exp $ */
+
+#define NEED_REPLIES
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include <X11/Xproto.h>
+#include "scrnintstr.h"
+#include "resource.h"
+#include "dixstruct.h"
+#include "cursorstr.h"
+#include "misc.h"
+#include "opaque.h"
+#include "dixfontstr.h"
+#include "closestr.h"
+
+/*
+#define NXAGENT_DEBUG
+*/
+
+#ifdef DEBUG
+#include	<stdio.h>
+#endif
+
+#include "Agent.h"
+#include "Font.h"
+
+#ifndef NX_TRANS_SOCKET
+
+#define NX_TRANS_SOCKET
+
+#endif
+
+#ifdef NX_TRANS_SOCKET
+
+char _NXFontPath[1024];
+
+/*
+ * Override the default font path and make
+ * it configurable at run time, based on
+ * the NX_FONT environment.
+ */
+
+static const char *_NXGetFontPath(const char *path)
+{
+  const char *fontEnv;
+
+    /*
+     * Check the environment only once.
+     */
+
+    if (*_NXFontPath != '\0')
+    {
+        return _NXFontPath;
+    }
+
+    fontEnv = getenv("NX_FONT");
+
+    if (fontEnv != NULL && *fontEnv != '\0')
+    {
+        if (strlen(fontEnv) + 1 > 1024)
+        {
+#ifdef NX_TRANS_TEST
+            fprintf(stderr, "_NXGetFontPath: WARNING! Maximum length of font path exceeded.\n");
+#endif
+            goto _NXGetFontPathError;
+        }
+
+        strcpy(_NXFontPath, fontEnv);
+
+#ifdef NX_TRANS_TEST
+        fprintf(stderr, "_NXGetFontPath: Using NX font path [%s].\n", _NXFontPath);
+#endif
+
+        return _NXFontPath;
+    }
+
+_NXGetFontPathError:
+
+    strncpy(_NXFontPath, path, 1023);
+    _NXFontPath[1023] = '\0';
+
+#ifdef NX_TRANS_TEST
+    fprintf(stderr, "_NXGetFontPath: Using default font path [%s].\n", _NXFontPath);
+#endif
+
+    return _NXFontPath;
+}
+
+#endif
+
+#ifdef PANORAMIX
+#include "../../Xext/panoramiX.h"
+#include "../../Xext/panoramiXsrv.h"
+#endif
+
+#ifdef LBX
+#include "lbxserve.h"
+#endif
+
+#ifdef XF86BIGFONT
+#define _XF86BIGFONT_SERVER_
+#include <X11/extensions/xf86bigfont.h>
+#endif
+
+#define QUERYCHARINFO(pci, pr)  *(pr) = (pci)->metrics
+
+extern pointer fosNaturalParams;
+extern FontPtr defaultFont;
+
+static FontPathElementPtr *font_path_elements = (FontPathElementPtr *) 0;
+static int  num_fpes = 0;
+FPEFunctions *fpe_functions = (FPEFunctions *) 0;
+static int  num_fpe_types = 0;
+
+static unsigned char *font_path_string;
+
+static int  num_slept_fpes = 0;
+static int  size_slept_fpes = 0;
+static FontPathElementPtr *slept_fpes = (FontPathElementPtr *) 0;
+static FontPatternCachePtr patternCache;
+
+int
+FontToXError(err)
+    int         err;
+{
+    switch (err) {
+    case Successful:
+	return Success;
+    case AllocError:
+	return BadAlloc;
+    case BadFontName:
+	return BadName;
+    case BadFontPath:
+    case BadFontFormat:	/* is there something better? */
+    case BadCharRange:
+	return BadValue;
+    default:
+	return err;
+    }
+}
+
+
+/*
+ * adding RT_FONT prevents conflict with default cursor font
+ */
+Bool
+SetDefaultFont(char *defaultfontname)
+{
+    int         err;
+    FontPtr     pf;
+    XID         fid;
+
+    fid = FakeClientID(0);
+    err = OpenFont(serverClient, fid, FontLoadAll | FontOpenSync,
+		   (unsigned) strlen(defaultfontname), defaultfontname);
+    if (err != Success)
+	return FALSE;
+    pf = (FontPtr) LookupIDByType(fid, RT_FONT);
+    if (pf == (FontPtr) NULL)
+	return FALSE;
+    defaultFont = pf;
+    return TRUE;
+}
+
+/*
+ * note that the font wakeup queue is not refcounted.  this is because
+ * an fpe needs to be added when it's inited, and removed when it's finally
+ * freed, in order to handle any data that isn't requested, like FS events.
+ *
+ * since the only thing that should call these routines is the renderer's
+ * init_fpe() and free_fpe(), there shouldn't be any problem in using
+ * freed data.
+ */
+void
+QueueFontWakeup(FontPathElementPtr fpe)
+{
+    int         i;
+    FontPathElementPtr *new;
+
+    for (i = 0; i < num_slept_fpes; i++) {
+	if (slept_fpes[i] == fpe) {
+
+#ifdef DEBUG
+	    fprintf(stderr, "re-queueing fpe wakeup\n");
+#endif
+
+	    return;
+	}
+    }
+    if (num_slept_fpes == size_slept_fpes) {
+	new = (FontPathElementPtr *)
+	    xrealloc(slept_fpes,
+		     sizeof(FontPathElementPtr) * (size_slept_fpes + 4));
+	if (!new)
+	    return;
+	slept_fpes = new;
+	size_slept_fpes += 4;
+    }
+    slept_fpes[num_slept_fpes] = fpe;
+    num_slept_fpes++;
+}
+
+void
+RemoveFontWakeup(FontPathElementPtr fpe)
+{
+    int         i,
+                j;
+
+    for (i = 0; i < num_slept_fpes; i++) {
+	if (slept_fpes[i] == fpe) {
+	    for (j = i; j < num_slept_fpes; j++) {
+		slept_fpes[j] = slept_fpes[j + 1];
+	    }
+	    num_slept_fpes--;
+	    return;
+	}
+    }
+}
+
+void
+FontWakeup(pointer data, int count, pointer LastSelectMask)
+{
+    int         i;
+    FontPathElementPtr fpe;
+
+    if (count < 0)
+	return;
+    /* wake up any fpe's that may be waiting for information */
+    for (i = 0; i < num_slept_fpes; i++) {
+	fpe = slept_fpes[i];
+	(void) (*fpe_functions[fpe->type].wakeup_fpe) (fpe, LastSelectMask);
+    }
+}
+
+/* XXX -- these two funcs may want to be broken into macros */
+static void
+UseFPE(FontPathElementPtr fpe)
+{
+    fpe->refcount++;
+}
+
+static void
+FreeFPE (FontPathElementPtr fpe)
+{
+    fpe->refcount--;
+    if (fpe->refcount == 0) {
+	(*fpe_functions[fpe->type].free_fpe) (fpe);
+	xfree(fpe->name);
+	xfree(fpe);
+    }
+}
+
+static Bool
+doOpenFont(ClientPtr client, OFclosurePtr c)
+{
+    FontPtr     pfont = NullFont;
+    FontPathElementPtr fpe = NULL;
+    ScreenPtr   pScr;
+    int         err = Successful;
+    int         i;
+    char       *alias,
+               *newname;
+    int         newlen;
+    int		aliascount = 20;
+    char nxagentOrigFontName[256];
+    int nxagentOrigFontNameLen;
+
+    /*
+     * Decide at runtime what FontFormat to use.
+     */
+    Mask FontFormat = 
+
+	((screenInfo.imageByteOrder == LSBFirst) ?
+	    BitmapFormatByteOrderLSB : BitmapFormatByteOrderMSB) |
+
+	((screenInfo.bitmapBitOrder == LSBFirst) ?
+	    BitmapFormatBitOrderLSB : BitmapFormatBitOrderMSB) |
+
+	BitmapFormatImageRectMin |
+
+#if GLYPHPADBYTES == 1
+	BitmapFormatScanlinePad8 |
+#endif
+
+#if GLYPHPADBYTES == 2
+	BitmapFormatScanlinePad16 |
+#endif
+
+#if GLYPHPADBYTES == 4
+	BitmapFormatScanlinePad32 |
+#endif
+
+#if GLYPHPADBYTES == 8
+	BitmapFormatScanlinePad64 |
+#endif
+
+	BitmapFormatScanlineUnit8;
+
+
+    nxagentOrigFontNameLen = (c -> origFontNameLen < 256) ? c -> origFontNameLen : 255;
+
+    memcpy(nxagentOrigFontName, c -> origFontName, nxagentOrigFontNameLen);
+
+    nxagentOrigFontName[nxagentOrigFontNameLen] = 0;
+
+    if (client->clientGone)
+    {
+	if (c->current_fpe < c->num_fpes)
+	{
+	    fpe = c->fpe_list[c->current_fpe];
+	    (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+	}
+	err = Successful;
+	goto bail;
+    }
+    while (c->current_fpe < c->num_fpes) {
+	fpe = c->fpe_list[c->current_fpe];
+	err = (*fpe_functions[fpe->type].open_font)
+	    ((pointer) client, fpe, c->flags,
+	     c->fontname, c->fnamelen, FontFormat,
+	     BitmapFormatMaskByte |
+	     BitmapFormatMaskBit |
+	     BitmapFormatMaskImageRectangle |
+	     BitmapFormatMaskScanLinePad |
+	     BitmapFormatMaskScanLineUnit,
+	     c->fontid, &pfont, &alias,
+	     c->non_cachable_font && c->non_cachable_font->fpe == fpe ?
+		 c->non_cachable_font :
+		 (FontPtr)0);
+
+	if (err == FontNameAlias && alias) {
+	    newlen = strlen(alias);
+	    newname = (char *) xrealloc(c->fontname, newlen);
+	    if (!newname) {
+		err = AllocError;
+		break;
+	    }
+	    memmove(newname, alias, newlen);
+	    c->fontname = newname;
+	    c->fnamelen = newlen;
+	    c->current_fpe = 0;
+	    if (--aliascount <= 0)
+		break;
+	    continue;
+	}
+	if (err == BadFontName) {
+	    c->current_fpe++;
+	    continue;
+	}
+	if (err == Suspended) {
+	    if (!c->slept) {
+		c->slept = TRUE;
+		ClientSleep(client, (ClientSleepProcPtr)doOpenFont, (pointer) c);
+#ifdef NXAGENT_DEBUG
+                fprintf(stderr, " NXdixfonts: doOpenFont: client [%lx] sleeping.\n", client);
+#endif
+	    }
+	    return TRUE;
+	}
+	break;
+    }
+
+    if (err != Successful)
+	goto bail;
+    if (!pfont) {
+	err = BadFontName;
+	goto bail;
+    }
+    /* check values for firstCol, lastCol, firstRow, and lastRow */
+    if (pfont->info.firstCol > pfont->info.lastCol ||
+       pfont->info.firstRow > pfont->info.lastRow ||
+       pfont->info.lastCol - pfont->info.firstCol > 255) {
+       err = AllocError;
+       goto bail;
+    }
+    if (!pfont->fpe)
+	pfont->fpe = fpe;
+    pfont->refcnt++;
+    if (pfont->refcnt == 1) {
+	UseFPE(pfont->fpe);
+	for (i = 0; i < screenInfo.numScreens; i++) {
+	    pScr = screenInfo.screens[i];
+	    if (pScr->RealizeFont)
+	    {
+
+                /* NXAGENT uses useless screen pointer to pass the original font name
+                *  to realizeFont, could be a source of problems in the future.
+                */
+
+		if (!(*pScr->RealizeFont) ((ScreenPtr)nxagentOrigFontName, pfont))
+		{
+		    CloseFont (pfont, (Font) 0);
+		    err=BadFontName;
+		    goto bail;
+		}
+	    }
+	}
+    }
+    if (!AddResource(c->fontid, RT_FONT, (pointer) pfont)) {
+	err = AllocError;
+	goto bail;
+    }
+    if( nxagentFontPriv(pfont) -> mirrorID == 0 )
+    {
+      extern RESTYPE RT_NX_FONT;
+
+      nxagentFontPriv(pfont) -> mirrorID = FakeClientID(0);
+      if (!AddResource(nxagentFontPriv(pfont) -> mirrorID, RT_NX_FONT, (pointer) pfont)) {
+        FreeResource(c->fontid, RT_NONE);
+        err = AllocError;
+        goto bail;
+      }
+    }
+    if (patternCache && pfont != c->non_cachable_font)
+	CacheFontPattern(patternCache, nxagentOrigFontName, nxagentOrigFontNameLen,
+			 pfont);
+bail:
+    if (err != Successful && c->client != serverClient) {
+	SendErrorToClient(c->client, X_OpenFont, 0,
+			  c->fontid, FontToXError(err));
+    }
+    if (c->slept)
+    {
+	ClientWakeup(c->client);
+#ifdef NXAGENT_DEBUG
+        fprintf(stderr, " NXdixfonts: doOpenFont: client [%lx] wakeup.\n", client);
+#endif
+    }
+    for (i = 0; i < c->num_fpes; i++) {
+	FreeFPE(c->fpe_list[i]);
+    }
+    xfree(c->fpe_list);
+    xfree(c->fontname);
+    xfree(c);
+    return TRUE;
+}
+
+int
+OpenFont(ClientPtr client, XID fid, Mask flags, unsigned lenfname, char *pfontname)
+{
+    OFclosurePtr c;
+    int         i;
+    FontPtr     cached = (FontPtr)0;
+
+#ifdef FONTDEBUG
+    char *f;
+    f = (char *)xalloc(lenfname + 1);
+    memmove(f, pfontname, lenfname);
+    f[lenfname] = '\0';
+    ErrorF("OpenFont: fontname is \"%s\"\n", f);
+    xfree(f);
+#endif
+    if (!lenfname || lenfname > XLFDMAXFONTNAMELEN)
+	return BadName;
+    if (patternCache)
+    {
+
+    /*
+    ** Check name cache.  If we find a cached version of this font that
+    ** is cachable, immediately satisfy the request with it.  If we find
+    ** a cached version of this font that is non-cachable, we do not
+    ** satisfy the request with it.  Instead, we pass the FontPtr to the
+    ** FPE's open_font code (the fontfile FPE in turn passes the
+    ** information to the rasterizer; the fserve FPE ignores it).
+    **
+    ** Presumably, the font is marked non-cachable because the FPE has
+    ** put some licensing restrictions on it.  If the FPE, using
+    ** whatever logic it relies on, determines that it is willing to
+    ** share this existing font with the client, then it has the option
+    ** to return the FontPtr we passed it as the newly-opened font.
+    ** This allows the FPE to exercise its licensing logic without
+    ** having to create another instance of a font that already exists.
+    */
+
+	cached = FindCachedFontPattern(patternCache, pfontname, lenfname);
+	if (cached && cached->info.cachable)
+	{
+	    if (!AddResource(fid, RT_FONT, (pointer) cached))
+		return BadAlloc;
+	    cached->refcnt++;
+	    return Success;
+	}
+    }
+    c = (OFclosurePtr) xalloc(sizeof(OFclosureRec));
+    if (!c)
+	return BadAlloc;
+    c->fontname = (char *) xalloc(lenfname);
+    c->origFontName = pfontname;
+    c->origFontNameLen = lenfname;
+    if (!c->fontname) {
+	xfree(c);
+	return BadAlloc;
+    }
+    /*
+     * copy the current FPE list, so that if it gets changed by another client
+     * while we're blocking, the request still appears atomic
+     */
+    c->fpe_list = (FontPathElementPtr *)
+	xalloc(sizeof(FontPathElementPtr) * num_fpes);
+    if (!c->fpe_list) {
+	xfree(c->fontname);
+	xfree(c);
+	return BadAlloc;
+    }
+    memmove(c->fontname, pfontname, lenfname);
+    for (i = 0; i < num_fpes; i++) {
+	c->fpe_list[i] = font_path_elements[i];
+	UseFPE(c->fpe_list[i]);
+    }
+    c->client = client;
+    c->fontid = fid;
+    c->current_fpe = 0;
+    c->num_fpes = num_fpes;
+    c->fnamelen = lenfname;
+    c->slept = FALSE;
+    c->flags = flags;
+    c->non_cachable_font = cached;
+
+    (void) doOpenFont(client, c);
+    return Success;
+}
+
+/**
+ * Decrement font's ref count, and free storage if ref count equals zero
+ *
+ *  \param value must conform to DeleteType
+ */
+int
+CloseFont(pointer value, XID fid)
+{
+    int         nscr;
+    ScreenPtr   pscr;
+    FontPathElementPtr fpe;
+    FontPtr     pfont = (FontPtr)value;
+
+    if (pfont == NullFont)
+	return (Success);
+    if (--pfont->refcnt == 0) {
+	if (patternCache)
+	    RemoveCachedFontPattern (patternCache, pfont);
+	/*
+	 * since the last reference is gone, ask each screen to free any
+	 * storage it may have allocated locally for it.
+	 */
+	for (nscr = 0; nscr < screenInfo.numScreens; nscr++) {
+	    pscr = screenInfo.screens[nscr];
+	    if (pscr->UnrealizeFont)
+		(*pscr->UnrealizeFont) (pscr, pfont);
+	}
+	if (pfont == defaultFont)
+	    defaultFont = NULL;
+#ifdef LBX
+	LbxFreeFontTag(pfont);
+#endif
+#ifdef XF86BIGFONT
+        {
+           extern void XF86BigfontFreeFontShm(FontPtr);
+           XF86BigfontFreeFontShm(pfont);
+        }
+#endif
+	fpe = pfont->fpe;
+	(*fpe_functions[fpe->type].close_font) (fpe, pfont);
+	FreeFPE(fpe);
+    }
+    return (Success);
+}
+
+
+/***====================================================================***/
+
+/**
+ * Sets up pReply as the correct QueryFontReply for pFont with the first
+ * nProtoCCIStructs char infos.
+ *
+ *  \param pReply caller must allocate this storage
+  */
+void
+QueryFont(FontPtr pFont, xQueryFontReply *pReply, int nProtoCCIStructs)
+{
+    FontPropPtr      pFP;
+    int              r,
+                     c,
+                     i;
+    xFontProp       *prFP;
+    xCharInfo       *prCI;
+    xCharInfo       *charInfos[256];
+    unsigned char    chars[512];
+    int              ninfos;
+    unsigned long    ncols;
+    unsigned long    count;
+
+    /* pr->length set in dispatch */
+    pReply->minCharOrByte2 = pFont->info.firstCol;
+    pReply->defaultChar = pFont->info.defaultCh;
+    pReply->maxCharOrByte2 = pFont->info.lastCol;
+    pReply->drawDirection = pFont->info.drawDirection;
+    pReply->allCharsExist = pFont->info.allExist;
+    pReply->minByte1 = pFont->info.firstRow;
+    pReply->maxByte1 = pFont->info.lastRow;
+    pReply->fontAscent = pFont->info.fontAscent;
+    pReply->fontDescent = pFont->info.fontDescent;
+
+    pReply->minBounds = pFont->info.ink_minbounds;
+    pReply->maxBounds = pFont->info.ink_maxbounds;
+
+    pReply->nFontProps = pFont->info.nprops;
+    pReply->nCharInfos = nProtoCCIStructs;
+
+    for (i = 0, pFP = pFont->info.props, prFP = (xFontProp *) (&pReply[1]);
+	    i < pFont->info.nprops;
+	    i++, pFP++, prFP++) {
+	prFP->name = pFP->name;
+	prFP->value = pFP->value;
+    }
+
+    ninfos = 0;
+    ncols = (unsigned long) (pFont->info.lastCol - pFont->info.firstCol + 1);
+    prCI = (xCharInfo *) (prFP);
+    for (r = pFont->info.firstRow;
+	    ninfos < nProtoCCIStructs && r <= (int)pFont->info.lastRow;
+	    r++) {
+	i = 0;
+	for (c = pFont->info.firstCol; c <= (int)pFont->info.lastCol; c++) {
+	    chars[i++] = r;
+	    chars[i++] = c;
+	}
+	(*pFont->get_metrics) (pFont, ncols, chars, 
+				TwoD16Bit, &count, charInfos);
+	i = 0;
+	for (i = 0; i < (int) count && ninfos < nProtoCCIStructs; i++) {
+	    *prCI = *charInfos[i];
+	    prCI++;
+	    ninfos++;
+	}
+    }
+    return;
+}
+
+static Bool
+doListFontsAndAliases(ClientPtr client, LFclosurePtr c)
+{
+    FontPathElementPtr fpe;
+    int         err = Successful;
+    FontNamesPtr names = NULL;
+    char       *name, *resolved=NULL;
+    int         namelen, resolvedlen;
+    int		nnames;
+    int         stringLens;
+    int         i;
+    xListFontsReply reply;
+    char	*bufptr;
+    char	*bufferStart;
+    int		aliascount = 0;
+
+    if (client->clientGone)
+    {
+	if (c->current.current_fpe < c->num_fpes)
+	{
+	    fpe = c->fpe_list[c->current.current_fpe];
+	    (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+	}
+	err = Successful;
+	goto bail;
+    }
+
+    if (!c->current.patlen)
+	goto finish;
+
+    while (c->current.current_fpe < c->num_fpes) {
+	fpe = c->fpe_list[c->current.current_fpe];
+	err = Successful;
+
+	if (!fpe_functions[fpe->type].start_list_fonts_and_aliases)
+	{
+	    /* This FPE doesn't support/require list_fonts_and_aliases */
+
+	    err = (*fpe_functions[fpe->type].list_fonts)
+		((pointer) c->client, fpe, c->current.pattern,
+		 c->current.patlen, c->current.max_names - c->names->nnames,
+		 c->names);
+
+	    if (err == Suspended) {
+		if (!c->slept) {
+		    c->slept = TRUE;
+		    ClientSleep(client,
+			(ClientSleepProcPtr)doListFontsAndAliases,
+			(pointer) c);
+#ifdef NXAGENT_DEBUG
+                    fprintf(stderr, " NXdixfonts: doListFont (1): client [%lx] sleeping.\n", client);
+#endif
+		}
+		return TRUE;
+	    }
+
+	    err = BadFontName;
+	}
+	else
+	{
+	    /* Start of list_fonts_and_aliases functionality.  Modeled
+	       after list_fonts_with_info in that it resolves aliases,
+	       except that the information collected from FPEs is just
+	       names, not font info.  Each list_next_font_or_alias()
+	       returns either a name into name/namelen or an alias into
+	       name/namelen and its target name into resolved/resolvedlen.
+	       The code at this level then resolves the alias by polling
+	       the FPEs.  */
+
+	    if (!c->current.list_started) {
+		err = (*fpe_functions[fpe->type].start_list_fonts_and_aliases)
+		    ((pointer) c->client, fpe, c->current.pattern,
+		     c->current.patlen, c->current.max_names - c->names->nnames,
+		     &c->current.private);
+		if (err == Suspended) {
+		    if (!c->slept) {
+			ClientSleep(client,
+				    (ClientSleepProcPtr)doListFontsAndAliases,
+				    (pointer) c);
+			c->slept = TRUE;
+		    }
+		    return TRUE;
+		}
+		if (err == Successful)
+		    c->current.list_started = TRUE;
+	    }
+	    if (err == Successful) {
+		char    *tmpname;
+		name = 0;
+		err = (*fpe_functions[fpe->type].list_next_font_or_alias)
+		    ((pointer) c->client, fpe, &name, &namelen, &tmpname,
+		     &resolvedlen, c->current.private);
+		if (err == Suspended) {
+		    if (!c->slept) {
+			ClientSleep(client,
+				    (ClientSleepProcPtr)doListFontsAndAliases,
+				    (pointer) c);
+			c->slept = TRUE;
+#ifdef NXAGENT_DEBUG
+                        fprintf(stderr, " NXdixfonts: doListFont (2): client [%lx] sleeping.\n", client);
+#endif
+#ifdef NXAGENT_DEBUG
+                        fprintf(stderr, " NXdixfonts: doListFont (3): client [%lx] sleeping.\n", client);
+#endif
+		    }
+		    return TRUE;
+		}
+		if (err == FontNameAlias) {
+		    if (resolved) xfree(resolved);
+		    resolved = (char *) xalloc(resolvedlen + 1);
+		    if (resolved)
+			memmove(resolved, tmpname, resolvedlen + 1);
+		}
+	    }
+
+	    if (err == Successful)
+	    {
+		if (c->haveSaved)
+		{
+		    if (c->savedName)
+			(void)AddFontNamesName(c->names, c->savedName,
+					       c->savedNameLen);
+		}
+		else
+		    (void)AddFontNamesName(c->names, name, namelen);
+	    }
+
+	    /*
+	     * When we get an alias back, save our state and reset back to
+	     * the start of the FPE looking for the specified name.  As
+	     * soon as a real font is found for the alias, pop back to the
+	     * old state
+	     */
+	    else if (err == FontNameAlias) {
+		char	tmp_pattern[XLFDMAXFONTNAMELEN];
+		/*
+		 * when an alias recurses, we need to give
+		 * the last FPE a chance to clean up; so we call
+		 * it again, and assume that the error returned
+		 * is BadFontName, indicating the alias resolution
+		 * is complete.
+		 */
+		memmove(tmp_pattern, resolved, resolvedlen);
+		if (c->haveSaved)
+		{
+		    char    *tmpname;
+		    int     tmpnamelen;
+
+		    tmpname = 0;
+		    (void) (*fpe_functions[fpe->type].list_next_font_or_alias)
+			((pointer) c->client, fpe, &tmpname, &tmpnamelen,
+			 &tmpname, &tmpnamelen, c->current.private);
+		    if (--aliascount <= 0)
+		    {
+			err = BadFontName;
+			goto ContBadFontName;
+		    }
+		}
+		else
+		{
+		    c->saved = c->current;
+		    c->haveSaved = TRUE;
+		    if (c->savedName)
+			xfree(c->savedName);
+		    c->savedName = (char *)xalloc(namelen + 1);
+		    if (c->savedName)
+			memmove(c->savedName, name, namelen + 1);
+		    c->savedNameLen = namelen;
+		    aliascount = 20;
+		}
+		memmove(c->current.pattern, tmp_pattern, resolvedlen);
+		c->current.patlen = resolvedlen;
+		c->current.max_names = c->names->nnames + 1;
+		c->current.current_fpe = -1;
+		c->current.private = 0;
+		err = BadFontName;
+	    }
+	}
+	/*
+	 * At the end of this FPE, step to the next.  If we've finished
+	 * processing an alias, pop state back. If we've collected enough
+	 * font names, quit.
+	 */
+	if (err == BadFontName) {
+	  ContBadFontName: ;
+	    c->current.list_started = FALSE;
+	    c->current.current_fpe++;
+	    err = Successful;
+	    if (c->haveSaved)
+	    {
+		if (c->names->nnames == c->current.max_names ||
+			c->current.current_fpe == c->num_fpes) {
+		    c->haveSaved = FALSE;
+		    c->current = c->saved;
+		    /* Give the saved namelist a chance to clean itself up */
+		    continue;
+		}
+	    }
+	    if (c->names->nnames == c->current.max_names)
+		break;
+	}
+    }
+
+    /*
+     * send the reply
+     */
+    if (err != Successful) {
+	SendErrorToClient(client, X_ListFonts, 0, 0, FontToXError(err));
+	goto bail;
+    }
+
+finish:
+
+    names = c->names;
+    nnames = names->nnames;
+    client = c->client;
+    stringLens = 0;
+    for (i = 0; i < nnames; i++)
+	stringLens += (names->length[i] <= 255) ? names->length[i] : 0;
+
+    reply.type = X_Reply;
+    reply.length = (stringLens + nnames + 3) >> 2;
+    reply.nFonts = nnames;
+    reply.sequenceNumber = client->sequence;
+
+    bufptr = bufferStart = (char *) ALLOCATE_LOCAL(reply.length << 2);
+
+    if (!bufptr && reply.length) {
+	SendErrorToClient(client, X_ListFonts, 0, 0, BadAlloc);
+	goto bail;
+    }
+    /*
+     * since WriteToClient long word aligns things, copy to temp buffer and
+     * write all at once
+     */
+    for (i = 0; i < nnames; i++) {
+	if (names->length[i] > 255)
+	    reply.nFonts--;
+	else
+	{
+	    {
+	      /* dirty hack: don't list to client fonts not existing on the remote side */
+	      char tmp[256];
+
+	      memcpy(tmp, names->names[i], names->length[i]);
+	      tmp[ names->length[i] ] = 0;
+
+	      if (nxagentFontLookUp(tmp) == 0)
+		{
+#ifdef NXAGENT_FONTMATCH_DEBUG
+		  fprintf(stderr, "doListFontsAndAliases:\n");
+		  fprintf(stderr, "      removing font: %s \n", tmp);
+#endif
+		  reply.nFonts--;
+		  stringLens -= names->length[i];
+		  continue;
+		}
+	    }
+	    *bufptr++ = names->length[i];
+	    memmove( bufptr, names->names[i], names->length[i]);
+	    bufptr += names->length[i];
+	}
+    }
+    nnames = reply.nFonts;
+    reply.length = (stringLens + nnames + 3) >> 2;
+    client->pSwapReplyFunc = ReplySwapVector[X_ListFonts];
+    WriteSwappedDataToClient(client, sizeof(xListFontsReply), &reply);
+    (void) WriteToClient(client, stringLens + nnames, bufferStart);
+    DEALLOCATE_LOCAL(bufferStart);
+
+bail:
+    if (c->slept)
+    {
+	ClientWakeup(client);
+#ifdef NXAGENT_DEBUG
+        fprintf(stderr, " NXdixfonts: doListFont: client [%lx] wakeup.\n", client);
+#endif
+    }
+    for (i = 0; i < c->num_fpes; i++)
+	FreeFPE(c->fpe_list[i]);
+    xfree(c->fpe_list);
+    if (c->savedName) xfree(c->savedName);
+    FreeFontNames(names);
+    xfree(c);
+    if (resolved) xfree(resolved);
+    return TRUE;
+}
+
+int
+ListFonts(ClientPtr client, unsigned char *pattern, unsigned length, 
+          unsigned max_names)
+{
+    int         i;
+    LFclosurePtr c;
+
+    /* 
+     * The right error to return here would be BadName, however the
+     * specification does not allow for a Name error on this request.
+     * Perhaps a better solution would be to return a nil list, i.e.
+     * a list containing zero fontnames.
+     */
+    if (length > XLFDMAXFONTNAMELEN)
+	return BadAlloc;
+
+    if (!(c = (LFclosurePtr) xalloc(sizeof *c)))
+	return BadAlloc;
+    c->fpe_list = (FontPathElementPtr *)
+	xalloc(sizeof(FontPathElementPtr) * num_fpes);
+    if (!c->fpe_list) {
+	xfree(c);
+	return BadAlloc;
+    }
+    c->names = MakeFontNamesRecord(max_names < nxagentMaxFontNames ? max_names : nxagentMaxFontNames);
+    if (!c->names)
+    {
+	xfree(c->fpe_list);
+	xfree(c);
+	return BadAlloc;
+    }
+    memmove( c->current.pattern, pattern, length);
+    for (i = 0; i < num_fpes; i++) {
+	c->fpe_list[i] = font_path_elements[i];
+	UseFPE(c->fpe_list[i]);
+    }
+    c->client = client;
+    c->num_fpes = num_fpes;
+    c->current.patlen = length;
+    c->current.current_fpe = 0;
+    c->current.max_names = max_names;
+    c->current.list_started = FALSE;
+    c->current.private = 0;
+    c->haveSaved = FALSE;
+    c->slept = FALSE;
+    c->savedName = 0;
+    doListFontsAndAliases(client, c);
+    return Success;
+}
+
+int
+doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c)
+{
+    FontPathElementPtr fpe;
+    int         err = Successful;
+    char       *name;
+    int         namelen;
+    int         numFonts;
+    FontInfoRec fontInfo,
+               *pFontInfo;
+    xListFontsWithInfoReply *reply;
+    int         length;
+    xFontProp  *pFP;
+    int         i;
+    int		aliascount = 0;
+    xListFontsWithInfoReply finalReply;
+
+    if (client->clientGone)
+    {
+	if (c->current.current_fpe < c->num_fpes)
+ 	{
+	    fpe = c->fpe_list[c->current.current_fpe];
+	    (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+	}
+	err = Successful;
+	goto bail;
+    }
+    client->pSwapReplyFunc = ReplySwapVector[X_ListFontsWithInfo];
+    if (!c->current.patlen)
+	goto finish;
+    while (c->current.current_fpe < c->num_fpes)
+    {
+	fpe = c->fpe_list[c->current.current_fpe];
+	err = Successful;
+	if (!c->current.list_started)
+ 	{
+	    err = (*fpe_functions[fpe->type].start_list_fonts_with_info)
+		(client, fpe, c->current.pattern, c->current.patlen,
+		 c->current.max_names, &c->current.private);
+	    if (err == Suspended)
+ 	    {
+		if (!c->slept)
+ 		{
+		    ClientSleep(client, (ClientSleepProcPtr)doListFontsWithInfo, c);
+		    c->slept = TRUE;
+#ifdef NXAGENT_DEBUG
+                    fprintf(stderr, " NXdixfonts: doListFontWinfo (1): client [%lx] sleeping.\n", client);
+#endif
+		}
+		return TRUE;
+	    }
+	    if (err == Successful)
+		c->current.list_started = TRUE;
+	}
+	if (err == Successful)
+ 	{
+	    name = 0;
+	    pFontInfo = &fontInfo;
+	    err = (*fpe_functions[fpe->type].list_next_font_with_info)
+		(client, fpe, &name, &namelen, &pFontInfo,
+		 &numFonts, c->current.private);
+	    if (err == Suspended)
+ 	    {
+		if (!c->slept)
+ 		{
+		    ClientSleep(client,
+		    	     (ClientSleepProcPtr)doListFontsWithInfo,
+			     c);
+		    c->slept = TRUE;
+#ifdef NXAGENT_DEBUG
+                    fprintf(stderr, " NXdixfonts: doListFontWinfo (2): client [%lx] sleeping.\n", client);
+#endif
+		}
+		return TRUE;
+	    }
+	}
+	/*
+	 * When we get an alias back, save our state and reset back to the
+	 * start of the FPE looking for the specified name.  As soon as a real
+	 * font is found for the alias, pop back to the old state
+	 */
+	if (err == FontNameAlias)
+ 	{
+	    /*
+	     * when an alias recurses, we need to give
+	     * the last FPE a chance to clean up; so we call
+	     * it again, and assume that the error returned
+	     * is BadFontName, indicating the alias resolution
+	     * is complete.
+	     */
+	    if (c->haveSaved)
+	    {
+		char	*tmpname;
+		int	tmpnamelen;
+		FontInfoPtr tmpFontInfo;
+
+	    	tmpname = 0;
+	    	tmpFontInfo = &fontInfo;
+	    	(void) (*fpe_functions[fpe->type].list_next_font_with_info)
+		    (client, fpe, &tmpname, &tmpnamelen, &tmpFontInfo,
+		     &numFonts, c->current.private);
+		if (--aliascount <= 0)
+		{
+		    err = BadFontName;
+		    goto ContBadFontName;
+		}
+	    }
+	    else
+	    {
+		c->saved = c->current;
+		c->haveSaved = TRUE;
+		c->savedNumFonts = numFonts;
+		if (c->savedName)
+		  xfree(c->savedName);
+		c->savedName = (char *)xalloc(namelen + 1);
+		if (c->savedName)
+		  memmove(c->savedName, name, namelen + 1);
+		aliascount = 20;
+	    }
+	    memmove(c->current.pattern, name, namelen);
+	    c->current.patlen = namelen;
+	    c->current.max_names = 1;
+	    c->current.current_fpe = 0;
+	    c->current.private = 0;
+	    c->current.list_started = FALSE;
+	}
+	/*
+	 * At the end of this FPE, step to the next.  If we've finished
+	 * processing an alias, pop state back.  If we've sent enough font
+	 * names, quit.  Always wait for BadFontName to let the FPE
+	 * have a chance to clean up.
+	 */
+	else if (err == BadFontName)
+ 	{
+	  ContBadFontName: ;
+	    c->current.list_started = FALSE;
+	    c->current.current_fpe++;
+	    err = Successful;
+	    if (c->haveSaved)
+ 	    {
+		if (c->current.max_names == 0 ||
+			c->current.current_fpe == c->num_fpes)
+ 		{
+		    c->haveSaved = FALSE;
+		    c->saved.max_names -= (1 - c->current.max_names);
+		    c->current = c->saved;
+		}
+	    }
+	    else if (c->current.max_names == 0)
+		break;
+	}
+ 	else if (err == Successful)
+ 	{
+
+	    if (c->haveSaved)
+ 	    {
+		numFonts = c->savedNumFonts;
+		name = c->savedName;
+		namelen = strlen(name);
+	    }
+
+	   if (nxagentFontLookUp(name) == 0)
+	   {
+#ifdef NXAGENT_FONTMATCH_DEBUG
+	      fprintf(stderr, "doListFontsAndAliases (with info):\n");
+	      fprintf(stderr, "      removing font: %s \n", name);
+#endif
+	       continue;
+           }
+
+	    length = sizeof(*reply) + pFontInfo->nprops * sizeof(xFontProp);
+	    reply = c->reply;
+	    if (c->length < length)
+ 	    {
+		reply = (xListFontsWithInfoReply *) xrealloc(c->reply, length);
+		if (!reply)
+ 		{
+		    err = AllocError;
+		    break;
+		}
+		c->reply = reply;
+		c->length = length;
+	    }
+	    reply->type = X_Reply;
+	    reply->length = (sizeof *reply - sizeof(xGenericReply) +
+			     pFontInfo->nprops * sizeof(xFontProp) +
+			     namelen + 3) >> 2;
+	    reply->sequenceNumber = client->sequence;
+	    reply->nameLength = namelen;
+	    reply->minBounds = pFontInfo->ink_minbounds;
+	    reply->maxBounds = pFontInfo->ink_maxbounds;
+	    reply->minCharOrByte2 = pFontInfo->firstCol;
+	    reply->maxCharOrByte2 = pFontInfo->lastCol;
+	    reply->defaultChar = pFontInfo->defaultCh;
+	    reply->nFontProps = pFontInfo->nprops;
+	    reply->drawDirection = pFontInfo->drawDirection;
+	    reply->minByte1 = pFontInfo->firstRow;
+	    reply->maxByte1 = pFontInfo->lastRow;
+	    reply->allCharsExist = pFontInfo->allExist;
+	    reply->fontAscent = pFontInfo->fontAscent;
+	    reply->fontDescent = pFontInfo->fontDescent;
+	    reply->nReplies = numFonts;
+	    pFP = (xFontProp *) (reply + 1);
+	    for (i = 0; i < pFontInfo->nprops; i++)
+ 	    {
+		pFP->name = pFontInfo->props[i].name;
+		pFP->value = pFontInfo->props[i].value;
+		pFP++;
+	    }
+	    WriteSwappedDataToClient(client, length, reply);
+	    (void) WriteToClient(client, namelen, name);
+	    if (pFontInfo == &fontInfo)
+ 	    {
+		xfree(fontInfo.props);
+		xfree(fontInfo.isStringProp);
+	    }
+	    --c->current.max_names;
+	}
+    }
+finish:
+    length = sizeof(xListFontsWithInfoReply);
+    bzero((char *) &finalReply, sizeof(xListFontsWithInfoReply));
+    finalReply.type = X_Reply;
+    finalReply.sequenceNumber = client->sequence;
+    finalReply.length = (sizeof(xListFontsWithInfoReply)
+		     - sizeof(xGenericReply)) >> 2;
+    WriteSwappedDataToClient(client, length, &finalReply);
+bail:
+    if (c->slept)
+    {
+	ClientWakeup(client);
+#ifdef NXAGENT_DEBUG
+        fprintf(stderr, " NXdixfonts: doListFontWinfo: client [%lx] wakeup.\n", client);
+#endif
+    }
+    for (i = 0; i < c->num_fpes; i++)
+	FreeFPE(c->fpe_list[i]);
+    xfree(c->reply);
+    xfree(c->fpe_list);
+    if (c->savedName) xfree(c->savedName);
+    xfree(c);
+    return TRUE;
+}
+
+int
+StartListFontsWithInfo(ClientPtr client, int length, unsigned char *pattern, 
+                       int max_names)
+{
+    int		    i;
+    LFWIclosurePtr  c;
+
+    /* 
+     * The right error to return here would be BadName, however the
+     * specification does not allow for a Name error on this request.
+     * Perhaps a better solution would be to return a nil list, i.e.
+     * a list containing zero fontnames.
+     */
+    if (length > XLFDMAXFONTNAMELEN)
+	return BadAlloc;
+
+    if (!(c = (LFWIclosurePtr) xalloc(sizeof *c)))
+	goto badAlloc;
+    c->fpe_list = (FontPathElementPtr *)
+	xalloc(sizeof(FontPathElementPtr) * num_fpes);
+    if (!c->fpe_list)
+    {
+	xfree(c);
+	goto badAlloc;
+    }
+    memmove(c->current.pattern, pattern, length);
+    for (i = 0; i < num_fpes; i++)
+    {
+	c->fpe_list[i] = font_path_elements[i];
+	UseFPE(c->fpe_list[i]);
+    }
+    c->client = client;
+    c->num_fpes = num_fpes;
+    c->reply = 0;
+    c->length = 0;
+    c->current.patlen = length;
+    c->current.current_fpe = 0;
+    c->current.max_names = max_names;
+    c->current.list_started = FALSE;
+    c->current.private = 0;
+    c->savedNumFonts = 0;
+    c->haveSaved = FALSE;
+    c->slept = FALSE;
+    c->savedName = 0;
+    doListFontsWithInfo(client, c);
+    return Success;
+badAlloc:
+    return BadAlloc;
+}
+
+#define TextEltHeader 2
+#define FontShiftSize 5
+static XID clearGC[] = { CT_NONE };
+#define clearGCmask (GCClipMask)
+
+int
+doPolyText(ClientPtr client, register PTclosurePtr c)
+{
+    register FontPtr pFont = c->pGC->font, oldpFont;
+    Font	fid, oldfid;
+    int err = Success, lgerr;	/* err is in X error, not font error, space */
+    enum { NEVER_SLEPT, START_SLEEP, SLEEPING } client_state = NEVER_SLEPT;
+    FontPathElementPtr fpe;
+    GC *origGC = NULL;
+
+    if (client->clientGone)
+    {
+	fpe = c->pGC->font->fpe;
+	(*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+
+	if (c->slept)
+	{
+	    /* Client has died, but we cannot bail out right now.  We
+	       need to clean up after the work we did when going to
+	       sleep.  Setting the drawable pointer to 0 makes this
+	       happen without any attempts to render or perform other
+	       unnecessary activities.  */
+	    c->pDraw = (DrawablePtr)0;
+	}
+	else
+	{
+	    err = Success;
+	    goto bail;
+	}
+    }
+
+    /* Make sure our drawable hasn't disappeared while we slept. */
+    if (c->slept &&
+	c->pDraw &&
+	c->pDraw != (DrawablePtr)SecurityLookupIDByClass(client, c->did,
+					RC_DRAWABLE, SecurityWriteAccess))
+    {
+	/* Our drawable has disappeared.  Treat like client died... ask
+	   the FPE code to clean up after client and avoid further
+	   rendering while we clean up after ourself.  */
+	fpe = c->pGC->font->fpe;
+	(*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+	c->pDraw = (DrawablePtr)0;
+    }
+
+    client_state = c->slept ? SLEEPING : NEVER_SLEPT;
+
+    while (c->endReq - c->pElt > TextEltHeader)
+    {
+	if (*c->pElt == FontChange)
+        {
+	    if (c->endReq - c->pElt < FontShiftSize)
+	    {
+		 err = BadLength;
+		 goto bail;
+	    }
+
+	    oldpFont = pFont;
+	    oldfid = fid;
+
+	    fid =  ((Font)*(c->pElt+4))		/* big-endian */
+		 | ((Font)*(c->pElt+3)) << 8
+		 | ((Font)*(c->pElt+2)) << 16
+		 | ((Font)*(c->pElt+1)) << 24;
+	    pFont = (FontPtr)SecurityLookupIDByType(client, fid, RT_FONT,
+						    SecurityReadAccess);
+	    if (!pFont)
+	    {
+		client->errorValue = fid;
+		err = BadFont;
+		/* restore pFont and fid for step 4 (described below) */
+		pFont = oldpFont;
+		fid = oldfid;
+
+		/* If we're in START_SLEEP mode, the following step
+		   shortens the request...  in the unlikely event that
+		   the fid somehow becomes valid before we come through
+		   again to actually execute the polytext, which would
+		   then mess up our refcounting scheme badly.  */
+		c->err = err;
+		c->endReq = c->pElt;
+
+		goto bail;
+	    }
+
+	    /* Step 3 (described below) on our new font */
+	    if (client_state == START_SLEEP)
+		pFont->refcnt++;
+	    else
+	    {
+		if (pFont != c->pGC->font && c->pDraw)
+		{
+		    ChangeGC( c->pGC, GCFont, &fid);
+		    ValidateGC(c->pDraw, c->pGC);
+		    if (c->reqType == X_PolyText8)
+			c->polyText = (PolyTextPtr) c->pGC->ops->PolyText8;
+		    else
+			c->polyText = (PolyTextPtr) c->pGC->ops->PolyText16;
+		}
+
+		/* Undo the refcnt++ we performed when going to sleep */
+		if (client_state == SLEEPING)
+		    (void)CloseFont(c->pGC->font, (Font)0);
+	    }
+	    c->pElt += FontShiftSize;
+	}
+	else	/* print a string */
+	{
+	    unsigned char *pNextElt;
+	    pNextElt = c->pElt + TextEltHeader + (*c->pElt)*c->itemSize;
+	    if ( pNextElt > c->endReq)
+	    {
+		err = BadLength;
+		goto bail;
+	    }
+	    if (client_state == START_SLEEP)
+	    {
+		c->pElt = pNextElt;
+		continue;
+	    }
+	    if (c->pDraw)
+	    {
+		lgerr = LoadGlyphs(client, c->pGC->font, *c->pElt, c->itemSize,
+				   c->pElt + TextEltHeader);
+	    }
+	    else lgerr = Successful;
+
+	    if (lgerr == Suspended)
+	    {
+		if (!c->slept) {
+		    int len;
+		    GC *pGC;
+		    PTclosurePtr new_closure;
+
+    /*  We're putting the client to sleep.  We need to do a few things
+	to ensure successful and atomic-appearing execution of the
+	remainder of the request.  First, copy the remainder of the
+	request into a safe malloc'd area.  Second, create a scratch GC
+	to use for the remainder of the request.  Third, mark all fonts
+	referenced in the remainder of the request to prevent their
+	deallocation.  Fourth, make the original GC look like the
+	request has completed...  set its font to the final font value
+	from this request.  These GC manipulations are for the unlikely
+	(but possible) event that some other client is using the GC.
+	Steps 3 and 4 are performed by running this procedure through
+	the remainder of the request in a special no-render mode
+	indicated by client_state = START_SLEEP.  */
+
+		    /* Step 1 */
+		    /* Allocate a malloc'd closure structure to replace
+		       the local one we were passed */
+		    new_closure = (PTclosurePtr) xalloc(sizeof(PTclosureRec));
+		    if (!new_closure)
+		    {
+			err = BadAlloc;
+			goto bail;
+		    }
+		    *new_closure = *c;
+		    c = new_closure;
+
+		    len = c->endReq - c->pElt;
+		    c->data = (unsigned char *)xalloc(len);
+		    if (!c->data)
+		    {
+			xfree(c);
+			err = BadAlloc;
+			goto bail;
+		    }
+		    memmove(c->data, c->pElt, len);
+		    c->pElt = c->data;
+		    c->endReq = c->pElt + len;
+
+		    /* Step 2 */
+
+		    pGC = GetScratchGC(c->pGC->depth, c->pGC->pScreen);
+		    if (!pGC)
+		    {
+			xfree(c->data);
+			xfree(c);
+			err = BadAlloc;
+			goto bail;
+		    }
+
+                    pGC->tileIsPixel = TRUE;
+                    pGC->tile.pixel = 0;
+                    pGC->stipple = NullPixmap;
+
+		    if ((err = CopyGC(c->pGC, pGC, GCFunction |
+				      GCPlaneMask | GCForeground |
+				      GCBackground | GCFillStyle |
+				      GCTile | GCStipple |
+				      GCTileStipXOrigin |
+				      GCTileStipYOrigin | GCFont |
+				      GCSubwindowMode | GCClipXOrigin |
+				      GCClipYOrigin | GCClipMask)) !=
+				      Success)
+		    {
+			FreeScratchGC(pGC);
+			xfree(c->data);
+			xfree(c);
+			err = BadAlloc;
+			goto bail;
+		    }
+		    origGC = c->pGC;
+		    c->pGC = pGC;
+		    ValidateGC(c->pDraw, c->pGC);
+		    
+		    c->slept = TRUE;
+		    ClientSleep(client,
+		    	     (ClientSleepProcPtr)doPolyText,
+			     (pointer) c);
+#ifdef NXAGENT_DEBUG
+                    fprintf(stderr, " NXdixfonts: doPolyText (1): client [%lx] sleeping.\n", client);
+#endif
+
+		    /* Set up to perform steps 3 and 4 */
+		    client_state = START_SLEEP;
+		    continue;	/* on to steps 3 and 4 */
+		}
+		return TRUE;
+	    }
+	    else if (lgerr != Successful)
+	    {
+		err = FontToXError(lgerr);
+		goto bail;
+	    }
+	    if (c->pDraw)
+	    {
+		c->xorg += *((INT8 *)(c->pElt + 1));	/* must be signed */
+		c->xorg = (* c->polyText)(c->pDraw, c->pGC, c->xorg, c->yorg,
+		    *c->pElt, c->pElt + TextEltHeader);
+	    }
+	    c->pElt = pNextElt;
+	}
+    }
+
+bail:
+
+    if (client_state == START_SLEEP)
+    {
+	/* Step 4 */
+	if (pFont != origGC->font)
+	{
+	    ChangeGC(origGC, GCFont, &fid);
+	    ValidateGC(c->pDraw, origGC);
+	}
+
+	/* restore pElt pointer for execution of remainder of the request */
+	c->pElt = c->data;
+	return TRUE;
+    }
+
+    if (c->err != Success) err = c->err;
+    if (err != Success && c->client != serverClient) {
+#ifdef PANORAMIX
+        if (noPanoramiXExtension || !c->pGC->pScreen->myNum)
+#endif
+	    SendErrorToClient(c->client, c->reqType, 0, 0, err);
+    }
+    if (c->slept)
+    {
+	ClientWakeup(c->client);
+#ifdef NXAGENT_DEBUG
+        fprintf(stderr, " NXdixfonts: doPolytext: client [%lx] wakeup.\n", client);
+#endif
+	ChangeGC(c->pGC, clearGCmask, clearGC);
+
+	/* Unreference the font from the scratch GC */
+	CloseFont(c->pGC->font, (Font)0);
+	c->pGC->font = NullFont;
+
+	FreeScratchGC(c->pGC);
+	xfree(c->data);
+	xfree(c);
+    }
+    return TRUE;
+}
+
+int
+PolyText(ClientPtr client, DrawablePtr pDraw, GC *pGC, unsigned char *pElt, 
+         unsigned char *endReq, int xorg, int yorg, int reqType, XID did)
+{
+    PTclosureRec local_closure;
+
+    local_closure.pElt = pElt;
+    local_closure.endReq = endReq;
+    local_closure.client = client;
+    local_closure.pDraw = pDraw;
+    local_closure.xorg = xorg;
+    local_closure.yorg = yorg;
+    if ((local_closure.reqType = reqType) == X_PolyText8)
+    {
+	local_closure.polyText = (PolyTextPtr) pGC->ops->PolyText8;
+	local_closure.itemSize = 1;
+    }
+    else
+    {
+	local_closure.polyText =  (PolyTextPtr) pGC->ops->PolyText16;
+	local_closure.itemSize = 2;
+    }
+    local_closure.pGC = pGC;
+    local_closure.did = did;
+    local_closure.err = Success;
+    local_closure.slept = FALSE;
+
+    (void) doPolyText(client, &local_closure);
+    return Success;
+}
+
+
+#undef TextEltHeader
+#undef FontShiftSize
+
+int
+doImageText(ClientPtr client, register ITclosurePtr c)
+{
+    int err = Success, lgerr;	/* err is in X error, not font error, space */
+    FontPathElementPtr fpe;
+
+    if (client->clientGone)
+    {
+	fpe = c->pGC->font->fpe;
+	(*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+	err = Success;
+	goto bail;
+    }
+
+    /* Make sure our drawable hasn't disappeared while we slept. */
+    if (c->slept &&
+	c->pDraw &&
+	c->pDraw != (DrawablePtr)SecurityLookupIDByClass(client, c->did,
+					RC_DRAWABLE, SecurityWriteAccess))
+    {
+	/* Our drawable has disappeared.  Treat like client died... ask
+	   the FPE code to clean up after client. */
+	fpe = c->pGC->font->fpe;
+	(*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+	err = Success;
+	goto bail;
+    }
+
+    lgerr = LoadGlyphs(client, c->pGC->font, c->nChars, c->itemSize, c->data);
+    if (lgerr == Suspended)
+    {
+        if (!c->slept) {
+	    GC *pGC;
+	    unsigned char *data;
+	    ITclosurePtr new_closure;
+
+	    /* We're putting the client to sleep.  We need to
+	       save some state.  Similar problem to that handled
+	       in doPolyText, but much simpler because the
+	       request structure is much simpler. */
+
+	    new_closure = (ITclosurePtr) xalloc(sizeof(ITclosureRec));
+	    if (!new_closure)
+	    {
+		err = BadAlloc;
+		goto bail;
+	    }
+	    *new_closure = *c;
+	    c = new_closure;
+
+	    data = (unsigned char *)xalloc(c->nChars * c->itemSize);
+	    if (!data)
+	    {
+		xfree(c);
+		err = BadAlloc;
+		goto bail;
+	    }
+	    memmove(data, c->data, c->nChars * c->itemSize);
+	    c->data = data;
+
+	    pGC = GetScratchGC(c->pGC->depth, c->pGC->pScreen);
+	    if (!pGC)
+	    {
+		xfree(c->data);
+		xfree(c);
+		err = BadAlloc;
+		goto bail;
+	    }
+
+            pGC->tileIsPixel = TRUE;
+            pGC->tile.pixel = 0;
+            pGC->stipple = NullPixmap;
+
+	    if ((err = CopyGC(c->pGC, pGC, GCFunction | GCPlaneMask |
+			      GCForeground | GCBackground | GCFillStyle |
+			      GCTile | GCStipple | GCTileStipXOrigin |
+			      GCTileStipYOrigin | GCFont |
+			      GCSubwindowMode | GCClipXOrigin |
+			      GCClipYOrigin | GCClipMask)) != Success)
+	    {
+		FreeScratchGC(pGC);
+		xfree(c->data);
+		xfree(c);
+		err = BadAlloc;
+		goto bail;
+	    }
+	    c->pGC = pGC;
+	    ValidateGC(c->pDraw, c->pGC);
+
+	    c->slept = TRUE;
+            ClientSleep(client, (ClientSleepProcPtr)doImageText, (pointer) c);
+#ifdef NXAGENT_DEBUG
+            fprintf(stderr, " NXdixfonts: doImageText (1): client [%lx] sleeping.\n", client);
+#endif
+
+        }
+        return TRUE;
+    }
+    else if (lgerr != Successful)
+    {
+        err = FontToXError(lgerr);
+        goto bail;
+    }
+    if (c->pDraw)
+    {
+	(* c->imageText)(c->pDraw, c->pGC, c->xorg, c->yorg,
+	    c->nChars, c->data);
+    }
+
+bail:
+
+    if (err != Success && c->client != serverClient) {
+	SendErrorToClient(c->client, c->reqType, 0, 0, err);
+    }
+    if (c->slept)
+    {
+	ClientWakeup(c->client);
+#ifdef NXAGENT_DEBUG
+        fprintf(stderr, " NXdixfonts: doImageText: client [%lx] wakeup.\n", client);
+#endif
+	ChangeGC(c->pGC, clearGCmask, clearGC);
+
+	/* Unreference the font from the scratch GC */
+	CloseFont(c->pGC->font, (Font)0);
+	c->pGC->font = NullFont;
+
+	FreeScratchGC(c->pGC);
+	xfree(c->data);
+	xfree(c);
+    }
+    return TRUE;
+}
+
+int
+ImageText(ClientPtr client, DrawablePtr pDraw, GC *pGC, int nChars, 
+          unsigned char *data, int xorg, int yorg, int reqType, XID did)
+{
+    ITclosureRec local_closure;
+
+    local_closure.client = client;
+    local_closure.pDraw = pDraw;
+    local_closure.pGC = pGC;
+    local_closure.nChars = nChars;
+    local_closure.data = data;
+    local_closure.xorg = xorg;
+    local_closure.yorg = yorg;
+    if ((local_closure.reqType = reqType) == X_ImageText8)
+    {
+	local_closure.imageText = (ImageTextPtr) pGC->ops->ImageText8;
+	local_closure.itemSize = 1;
+    }
+    else
+    {
+	local_closure.imageText = (ImageTextPtr) pGC->ops->ImageText16;
+	local_closure.itemSize = 2;
+    }
+    local_closure.did = did;
+    local_closure.slept = FALSE;
+
+    (void) doImageText(client, &local_closure);
+    return Success;
+}
+
+
+/* does the necessary magic to figure out the fpe type */
+static int
+DetermineFPEType(char *pathname)
+{
+    int         i;
+
+    for (i = 0; i < num_fpe_types; i++) {
+	if ((*fpe_functions[i].name_check) (pathname))
+	    return i;
+    }
+    return -1;
+}
+
+
+static void
+FreeFontPath(FontPathElementPtr *list, int n, Bool force)
+{
+    int         i;
+
+    for (i = 0; i < n; i++) {
+	if (force) {
+	    /* Sanity check that all refcounts will be 0 by the time
+	       we get to the end of the list. */
+	    int found = 1;	/* the first reference is us */
+	    int j;
+	    for (j = i+1; j < n; j++) {
+		if (list[j] == list[i])
+		    found++;
+	    }
+	    if (list[i]->refcount != found) {
+		ErrorF("FreeFontPath: FPE \"%.*s\" refcount is %d, should be %d; fixing.\n",
+		       list[i]->name_length, list[i]->name,
+		       list[i]->refcount, found);
+		list[i]->refcount = found; /* ensure it will get freed */
+	    }
+	}
+	FreeFPE(list[i]);
+    }
+    xfree((char *) list);
+}
+
+static FontPathElementPtr
+find_existing_fpe(FontPathElementPtr *list, int num, unsigned char *name, int len)
+{
+    FontPathElementPtr fpe;
+    int         i;
+
+    for (i = 0; i < num; i++) {
+	fpe = list[i];
+	if (fpe->name_length == len && memcmp(name, fpe->name, len) == 0)
+	    return fpe;
+    }
+    return (FontPathElementPtr) 0;
+}
+
+
+static int
+SetFontPathElements(int npaths, unsigned char *paths, int *bad, Bool persist)
+{
+    int         i, err = 0;
+    int         valid_paths = 0;
+    unsigned int len;
+    unsigned char *cp = paths;
+    FontPathElementPtr fpe = NULL, *fplist;
+
+    fplist = (FontPathElementPtr *)
+	xalloc(sizeof(FontPathElementPtr) * npaths);
+    if (!fplist) {
+	*bad = 0;
+	return BadAlloc;
+    }
+    for (i = 0; i < num_fpe_types; i++) {
+	if (fpe_functions[i].set_path_hook)
+	    (*fpe_functions[i].set_path_hook) ();
+    }
+    for (i = 0; i < npaths; i++) 
+    {
+	len = (unsigned int) (*cp++);
+
+	if (len == 0) 
+	{
+	    if (persist)
+		ErrorF ("Removing empty element from the valid list of fontpaths\n");
+	    err = BadValue;
+	}
+	else
+	{
+	    /* if it's already in our active list, just reset it */
+	    /*
+	     * note that this can miss FPE's in limbo -- may be worth catching
+	     * them, though it'd muck up refcounting
+	     */
+	    fpe = find_existing_fpe(font_path_elements, num_fpes, cp, len);
+	    if (fpe) 
+	    {
+		err = (*fpe_functions[fpe->type].reset_fpe) (fpe);
+		if (err == Successful) 
+		{
+		    UseFPE(fpe);/* since it'll be decref'd later when freed
+				 * from the old list */
+		}
+		else
+		    fpe = 0;
+	    }
+	    /* if error or can't do it, act like it's a new one */
+	    if (!fpe)
+	    {
+		fpe = (FontPathElementPtr) xalloc(sizeof(FontPathElementRec));
+		if (!fpe) 
+		{
+		    err = BadAlloc;
+		    goto bail;
+		}
+		fpe->name = (char *) xalloc(len + 1);
+		if (!fpe->name) 
+		{
+		    xfree(fpe);
+		    err = BadAlloc;
+		    goto bail;
+		}
+		fpe->refcount = 1;
+    
+		strncpy(fpe->name, (char *) cp, (int) len);
+		fpe->name[len] = '\0';
+		fpe->name_length = len;
+		fpe->type = DetermineFPEType(fpe->name);
+		if (fpe->type == -1)
+		    err = BadValue;
+		else
+		    err = (*fpe_functions[fpe->type].init_fpe) (fpe);
+		if (err != Successful)
+		{
+                    #ifndef NXAGENT_SERVER
+		    if (persist)
+		    {
+			ErrorF("Could not init font path element %s, removing from list!\n",
+			       fpe->name);
+		    }
+                    #endif
+		    xfree (fpe->name);
+		    xfree (fpe);
+		}
+	    }
+	}
+	if (err != Successful)
+	{
+	    if (!persist)
+		goto bail;
+	}
+	else
+	{
+	    fplist[valid_paths++] = fpe;
+	}
+	cp += len;
+    }
+
+    FreeFontPath(font_path_elements, num_fpes, FALSE);
+    font_path_elements = fplist;
+    if (patternCache)
+	EmptyFontPatternCache(patternCache);
+    num_fpes = valid_paths;
+
+    return Success;
+bail:
+    *bad = i;
+    while (--valid_paths >= 0)
+	FreeFPE(fplist[valid_paths]);
+    xfree(fplist);
+    return FontToXError(err);
+}
+
+/* XXX -- do we need to pass error down to each renderer? */
+int
+SetFontPath(ClientPtr client, int npaths, unsigned char *paths, int *error)
+{
+    int   err = Success;
+
+    if (npaths == 0) {
+	if (SetDefaultFontPath(defaultFontPath) != Success)
+	    return BadValue;
+    } else {
+	err = SetFontPathElements(npaths, paths, error, FALSE);
+    }
+    return err;
+}
+
+int
+SetDefaultFontPath(char *path)
+{
+    unsigned char *cp,
+               *pp,
+               *nump,
+               *newpath;
+    int         num = 1,
+                len,
+                err,
+                size = 0,
+                bad;
+
+    /* get enough for string, plus values -- use up commas */
+#ifdef NX_TRANS_SOCKET
+    len = strlen(_NXGetFontPath(path)) + 1;
+#else
+    len = strlen(path) + 1;
+#endif
+    nump = cp = newpath = (unsigned char *) ALLOCATE_LOCAL(len);
+    if (!newpath)
+	return BadAlloc;
+#ifdef NX_TRANS_SOCKET
+    pp = (unsigned char *) _NXGetFontPath(path);
+#else
+    pp = (unsigned char *) path;
+#endif
+    cp++;
+    while (*pp) {
+	if (*pp == ',') {
+	    *nump = (unsigned char) size;
+	    nump = cp++;
+	    pp++;
+	    num++;
+	    size = 0;
+	} else {
+	    *cp++ = *pp++;
+	    size++;
+	}
+    }
+    *nump = (unsigned char) size;
+
+    err = SetFontPathElements(num, newpath, &bad, TRUE);
+
+    DEALLOCATE_LOCAL(newpath);
+
+    return err;
+}
+
+unsigned char *
+GetFontPath(int *count, int *length)
+{
+    int			i;
+    unsigned char       *c;
+    int			len;
+    FontPathElementPtr	fpe;
+
+    len = 0;
+    for (i = 0; i < num_fpes; i++) {
+	fpe = font_path_elements[i];
+	len += fpe->name_length + 1;
+    }
+    font_path_string = (unsigned char *) xrealloc(font_path_string, len);
+    if (!font_path_string)
+	return NULL;
+
+    c = font_path_string;
+    *length = 0;
+    for (i = 0; i < num_fpes; i++) {
+	fpe = font_path_elements[i];
+	*c = fpe->name_length;
+	*length += *c++;
+	memmove(c, fpe->name, fpe->name_length);
+	c += fpe->name_length;
+    }
+    *count = num_fpes;
+    return font_path_string;
+}
+
+int
+LoadGlyphs(ClientPtr client, FontPtr pfont, unsigned nchars, int item_size, unsigned char *data)
+{
+    if (fpe_functions[pfont->fpe->type].load_glyphs)
+	return (*fpe_functions[pfont->fpe->type].load_glyphs)
+	    (client, pfont, 0, nchars, item_size, data);
+    else
+	return Successful;
+}
+
+void
+DeleteClientFontStuff(ClientPtr client)
+{
+    int			i;
+    FontPathElementPtr	fpe;
+
+    for (i = 0; i < num_fpes; i++)
+    {
+	fpe = font_path_elements[i];
+	if (fpe_functions[fpe->type].client_died)
+	    (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+    }
+}
+
+void
+InitFonts ()
+{
+    patternCache = MakeFontPatternCache();
+
+#ifndef KDRIVESERVER
+    if (screenInfo.numScreens > screenInfo.numVideoScreens) {
+	PrinterFontRegisterFpeFunctions();
+	FontFileCheckRegisterFpeFunctions();
+	check_fs_register_fpe_functions();
+    } else 
+#endif
+    {
+#ifdef KDRIVESERVER
+	BuiltinRegisterFpeFunctions();
+#endif
+	FontFileRegisterFpeFunctions();
+#ifndef NOFONTSERVERACCESS
+	fs_register_fpe_functions();
+#endif
+    }
+}
+
+int
+GetDefaultPointSize ()
+{
+    return 120;
+}
+
+
+FontResolutionPtr
+GetClientResolutions (int *num)
+{
+    if (requestingClient && requestingClient->fontResFunc != NULL &&
+	!requestingClient->clientGone)
+    {
+	return (*requestingClient->fontResFunc)(requestingClient, num);
+    }
+    else {
+	static struct _FontResolution res;
+	ScreenPtr   pScreen;
+
+	pScreen = screenInfo.screens[0];
+	res.x_resolution = (pScreen->width * 25.4) / pScreen->mmWidth;
+	/*
+	 * XXX - we'll want this as long as bitmap instances are prevalent 
+	 so that we can match them from scalable fonts
+	 */
+	if (res.x_resolution < 88)
+	    res.x_resolution = 75;
+	else
+	    res.x_resolution = 100;
+	res.y_resolution = (pScreen->height * 25.4) / pScreen->mmHeight;
+	if (res.y_resolution < 88)
+	    res.y_resolution = 75;
+	else
+	    res.y_resolution = 100;
+	res.point_size = 120;
+	*num = 1;
+	return &res;
+    }
+}
+
+/*
+ * returns the type index of the new fpe
+ *
+ * should be called (only once!) by each type of fpe when initialized
+ */
+
+int
+RegisterFPEFunctions(NameCheckFunc name_func, 
+		     InitFpeFunc init_func, 
+		     FreeFpeFunc free_func, 
+		     ResetFpeFunc reset_func, 
+		     OpenFontFunc open_func, 
+		     CloseFontFunc close_func, 
+		     ListFontsFunc list_func, 
+		     StartLfwiFunc start_lfwi_func, 
+		     NextLfwiFunc next_lfwi_func, 
+		     WakeupFpeFunc wakeup_func, 
+		     ClientDiedFunc client_died, 
+		     LoadGlyphsFunc load_glyphs, 
+		     StartLaFunc start_list_alias_func, 
+		     NextLaFunc next_list_alias_func, 
+		     SetPathFunc set_path_func)
+{
+    FPEFunctions *new;
+
+    /* grow the list */
+    new = (FPEFunctions *) xrealloc(fpe_functions,
+				 (num_fpe_types + 1) * sizeof(FPEFunctions));
+    if (!new)
+	return -1;
+    fpe_functions = new;
+
+    fpe_functions[num_fpe_types].name_check = name_func;
+    fpe_functions[num_fpe_types].open_font = open_func;
+    fpe_functions[num_fpe_types].close_font = close_func;
+    fpe_functions[num_fpe_types].wakeup_fpe = wakeup_func;
+    fpe_functions[num_fpe_types].list_fonts = list_func;
+    fpe_functions[num_fpe_types].start_list_fonts_with_info =
+	start_lfwi_func;
+    fpe_functions[num_fpe_types].list_next_font_with_info =
+	next_lfwi_func;
+    fpe_functions[num_fpe_types].init_fpe = init_func;
+    fpe_functions[num_fpe_types].free_fpe = free_func;
+    fpe_functions[num_fpe_types].reset_fpe = reset_func;
+    fpe_functions[num_fpe_types].client_died = client_died;
+    fpe_functions[num_fpe_types].load_glyphs = load_glyphs;
+    fpe_functions[num_fpe_types].start_list_fonts_and_aliases =
+	start_list_alias_func;
+    fpe_functions[num_fpe_types].list_next_font_or_alias =
+	next_list_alias_func;
+    fpe_functions[num_fpe_types].set_path_hook = set_path_func;
+
+    return num_fpe_types++;
+}
+
+void
+FreeFonts()
+{
+    if (patternCache) {
+	FreeFontPatternCache(patternCache);
+	patternCache = 0;
+    }
+    FreeFontPath(font_path_elements, num_fpes, TRUE);
+    font_path_elements = 0;
+    num_fpes = 0;
+    xfree(fpe_functions);
+    num_fpe_types = 0;
+    fpe_functions = (FPEFunctions *) 0;
+}
+
+/* convenience functions for FS interface */
+
+FontPtr
+find_old_font(XID id)
+{
+    return (FontPtr) SecurityLookupIDByType(NullClient, id, RT_NONE,
+					    SecurityUnknownAccess);
+}
+
+Font
+GetNewFontClientID()
+{
+    return FakeClientID(0);
+}
+
+int
+StoreFontClientFont(FontPtr pfont, Font id)
+{
+    return AddResource(id, RT_NONE, (pointer) pfont);
+}
+
+void
+DeleteFontClientID(Font id)
+{
+    FreeResource(id, RT_NONE);
+}
+
+int
+client_auth_generation(ClientPtr client)
+{
+    return 0;
+}
+
+static int  fs_handlers_installed = 0;
+static unsigned int last_server_gen;
+
+int
+init_fs_handlers(FontPathElementPtr fpe, BlockHandlerProcPtr block_handler)
+{
+    /* if server has reset, make sure the b&w handlers are reinstalled */
+    if (last_server_gen < serverGeneration) {
+	last_server_gen = serverGeneration;
+	fs_handlers_installed = 0;
+    }
+    if (fs_handlers_installed == 0) {
+
+#ifdef DEBUG
+	fprintf(stderr, "adding FS b & w handlers\n");
+#endif
+
+	if (!RegisterBlockAndWakeupHandlers(block_handler,
+					    FontWakeup, (pointer) 0))
+	    return AllocError;
+	fs_handlers_installed++;
+    }
+    QueueFontWakeup(fpe);
+    return Successful;
+}
+
+void
+remove_fs_handlers(FontPathElementPtr fpe, BlockHandlerProcPtr block_handler, Bool all)
+{
+    if (all) {
+	/* remove the handlers if no one else is using them */
+	if (--fs_handlers_installed == 0) {
+
+#ifdef DEBUG
+	    fprintf(stderr, "removing FS b & w handlers\n");
+#endif
+
+	    RemoveBlockAndWakeupHandlers(block_handler, FontWakeup,
+					 (pointer) 0);
+	}
+    }
+    RemoveFontWakeup(fpe);
+}
+
+#ifdef DEBUG
+#define GLWIDTHBYTESPADDED(bits,nbytes) \
+	((nbytes) == 1 ? (((bits)+7)>>3)        /* pad to 1 byte */ \
+	:(nbytes) == 2 ? ((((bits)+15)>>3)&~1)  /* pad to 2 bytes */ \
+	:(nbytes) == 4 ? ((((bits)+31)>>3)&~3)  /* pad to 4 bytes */ \
+	:(nbytes) == 8 ? ((((bits)+63)>>3)&~7)  /* pad to 8 bytes */ \
+	: 0)
+
+#define GLYPH_SIZE(ch, nbytes)          \
+	GLWIDTHBYTESPADDED((ch)->metrics.rightSideBearing - \
+			(ch)->metrics.leftSideBearing, (nbytes))
+void
+dump_char_ascii(CharInfoPtr cip)
+{
+    int         r,
+                l;
+    int         bpr;
+    int         byte;
+    static unsigned maskTab[] = {
+	(1 << 7), (1 << 6), (1 << 5), (1 << 4),
+	(1 << 3), (1 << 2), (1 << 1), (1 << 0),
+    };
+
+    bpr = GLYPH_SIZE(cip, 4);
+    for (r = 0; r < (cip->metrics.ascent + cip->metrics.descent); r++) {
+	pointer     row = (pointer) cip->bits + r * bpr;
+
+	byte = 0;
+	for (l = 0; l <= (cip->metrics.rightSideBearing -
+			  cip->metrics.leftSideBearing); l++) {
+	    if (maskTab[l & 7] & row[l >> 3])
+		putchar('X');
+	    else
+		putchar('.');
+	}
+	putchar('\n');
+    }
+}
+
+#endif
+
+
+typedef struct
+{
+   LFclosurePtr c;
+   OFclosurePtr oc;
+} nxFs,*nxFsPtr;
+
+static Bool
+#if NeedFunctionPrototypes
+nxdoListFontsAndAliases(ClientPtr client, nxFsPtr fss)
+#else
+nxdoListFontsAndAliases(client, fss)
+    ClientPtr   client;
+    nxFsPtr fss;
+#endif
+{
+    LFclosurePtr c=fss->c;
+    OFclosurePtr oc=fss->oc;
+    FontPathElementPtr fpe;
+    int         err = Successful;
+    char       *name, *resolved=NULL;
+    int         namelen, resolvedlen;
+    int         i;
+    int		aliascount = 0;
+    char        tmp[256];
+    tmp[0]=0;
+    if (client->clientGone)
+    {
+	if (c->current.current_fpe < c->num_fpes)
+	{
+	    fpe = c->fpe_list[c->current.current_fpe];
+	    (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe);
+	}
+	err = Successful;
+	goto bail;
+    }
+
+    if (!c->current.patlen)
+	goto finish;
+
+    while (c->current.current_fpe < c->num_fpes) {
+	fpe = c->fpe_list[c->current.current_fpe];
+	err = Successful;
+
+	if (!fpe_functions[fpe->type].start_list_fonts_and_aliases)
+	{
+	    /* This FPE doesn't support/require list_fonts_and_aliases */
+
+	    err = (*fpe_functions[fpe->type].list_fonts)
+		((pointer) c->client, fpe, c->current.pattern,
+		 c->current.patlen, c->current.max_names - c->names->nnames,
+		 c->names);
+
+	    if (err == Suspended) {
+		if (!c->slept) {
+		    c->slept = TRUE;
+		    ClientSleep(client,
+			(ClientSleepProcPtr)nxdoListFontsAndAliases,
+			(pointer) fss);
+#ifdef NXAGENT_DEBUG
+                    fprintf(stderr, " NXdixfonts: nxdoListFont (1): client [%lx] sleeping.\n", client);
+#endif
+		}
+		return TRUE;
+	    }
+
+	    err = BadFontName;
+	}
+	else
+	{
+	    /* Start of list_fonts_and_aliases functionality.  Modeled
+	       after list_fonts_with_info in that it resolves aliases,
+	       except that the information collected from FPEs is just
+	       names, not font info.  Each list_next_font_or_alias()
+	       returns either a name into name/namelen or an alias into
+	       name/namelen and its target name into resolved/resolvedlen.
+	       The code at this level then resolves the alias by polling
+	       the FPEs.  */
+
+	    if (!c->current.list_started) {
+		err = (*fpe_functions[fpe->type].start_list_fonts_and_aliases)
+		    ((pointer) c->client, fpe, c->current.pattern,
+		     c->current.patlen, c->current.max_names - c->names->nnames,
+		     &c->current.private);
+		if (err == Suspended) {
+		    if (!c->slept) {
+			ClientSleep(client,
+				    (ClientSleepProcPtr)nxdoListFontsAndAliases,
+				    (pointer) fss);
+			c->slept = TRUE;
+#ifdef NXAGENT_DEBUG
+                        fprintf(stderr, " NXdixfonts: nxdoListFont (2): client [%lx] sleeping.\n", client);
+#endif
+		    }
+		    return TRUE;
+		}
+		if (err == Successful)
+		    c->current.list_started = TRUE;
+	    }
+	    if (err == Successful) {
+		char    *tmpname;
+		name = 0;
+		err = (*fpe_functions[fpe->type].list_next_font_or_alias)
+		    ((pointer) c->client, fpe, &name, &namelen, &tmpname,
+		     &resolvedlen, c->current.private);
+		if (err == Suspended) {
+		    if (!c->slept) {
+			ClientSleep(client,
+				    (ClientSleepProcPtr)nxdoListFontsAndAliases,
+				    (pointer) fss);
+			c->slept = TRUE;
+#ifdef NXAGENT_DEBUG
+                        fprintf(stderr, " NXdixfonts: nxdoListFont (3): client [%lx] sleeping.\n", client);
+#endif
+		    }
+		    return TRUE;
+		}
+		if (err == FontNameAlias) {
+		    if (resolved) xfree(resolved);
+		    resolved = (char *) xalloc(resolvedlen + 1);
+		    if (resolved)
+                    {
+                        memmove(resolved, tmpname, resolvedlen);
+                        resolved[resolvedlen] = '\0';
+                    }
+		}
+	    }
+
+	    if (err == Successful)
+	    {
+		if (c->haveSaved)
+		{
+		    if (c->savedName)
+		    {
+		       memcpy(tmp,c->savedName,c->savedNameLen>255?255:c->savedNameLen);
+		       tmp[c->savedNameLen>255?256:c->savedNameLen]=0;
+		       if (nxagentFontLookUp(tmp))
+		          break;
+			else tmp[0]=0;
+		    }
+		}
+		else
+		{
+		   memcpy(tmp,name,namelen>255?255:namelen);
+		   tmp[namelen>255?256:namelen]=0;
+		   if (nxagentFontLookUp(tmp))
+		      break;
+		   else tmp[0]=0;
+		}
+	    }
+
+	    /*
+	     * When we get an alias back, save our state and reset back to
+	     * the start of the FPE looking for the specified name.  As
+	     * soon as a real font is found for the alias, pop back to the
+	     * old state
+	     */
+	    else if (err == FontNameAlias) {
+		char	tmp_pattern[XLFDMAXFONTNAMELEN];
+		/*
+		 * when an alias recurses, we need to give
+		 * the last FPE a chance to clean up; so we call
+		 * it again, and assume that the error returned
+		 * is BadFontName, indicating the alias resolution
+		 * is complete.
+		 */
+		memmove(tmp_pattern, resolved, resolvedlen);
+		if (c->haveSaved)
+		{
+		    char    *tmpname;
+		    int     tmpnamelen;
+
+		    tmpname = 0;
+		    (void) (*fpe_functions[fpe->type].list_next_font_or_alias)
+			((pointer) c->client, fpe, &tmpname, &tmpnamelen,
+			 &tmpname, &tmpnamelen, c->current.private);
+		    if (--aliascount <= 0)
+		    {
+			err = BadFontName;
+			goto ContBadFontName;
+		    }
+		}
+		else
+		{
+		    c->saved = c->current;
+		    c->haveSaved = TRUE;
+		    if (c->savedName)
+			xfree(c->savedName);
+		    c->savedName = (char *)xalloc(namelen + 1);
+		    if (c->savedName)
+                    {
+                        memmove(c->savedName, name, namelen);
+                        c->savedName[namelen] = '\0';
+                    }
+		    c->savedNameLen = namelen;
+		    aliascount = 20;
+		}
+		memmove(c->current.pattern, tmp_pattern, resolvedlen);
+		c->current.patlen = resolvedlen;
+		c->current.max_names = c->names->nnames + 1;
+		c->current.current_fpe = -1;
+		c->current.private = 0;
+		err = BadFontName;
+	    }
+	}
+	/*
+	 * At the end of this FPE, step to the next.  If we've finished
+	 * processing an alias, pop state back. If we've collected enough
+	 * font names, quit.
+	 */
+	if (err == BadFontName) {
+	  ContBadFontName: ;
+	    c->current.list_started = FALSE;
+	    c->current.current_fpe++;
+	    err = Successful;
+	    if (c->haveSaved)
+	    {
+		if (c->names->nnames == c->current.max_names ||
+			c->current.current_fpe == c->num_fpes) {
+		    c->haveSaved = FALSE;
+		    c->current = c->saved;
+		    /* Give the saved namelist a chance to clean itself up */
+		    continue;
+		}
+	    }
+	    if (c->names->nnames == c->current.max_names)
+		break;
+	}
+    }
+
+    /*
+     * send the reply
+     */
+bail:
+finish:
+    if (strlen(tmp))
+    {
+#ifdef NXAGENT_FONTMATCH_DEBUG
+      fprintf(stderr, "nxListFont changed (0) font to %s\n",tmp);
+#endif
+      memcpy(oc->fontname, tmp, strlen(tmp));
+      oc->fnamelen = strlen(tmp);
+
+      oc->origFontName = oc->fontname;
+      oc->origFontNameLen = oc->fnamelen;
+
+    }
+    else
+    {
+        for (i = 0; i < c->names->nnames; i++)
+	{
+	  if (c->names->length[i] > 255)
+	     continue;
+	  else
+	  {
+	      memcpy(tmp, c->names->names[i], c->names->length[i]);
+	      tmp[ c->names->length[i] ] = 0;
+	      if (nxagentFontLookUp(tmp) == 0)
+		continue;
+	      memcpy(oc->fontname, tmp, strlen(tmp));
+	      oc->fnamelen = strlen(tmp);
+
+              oc->origFontName = oc->fontname;
+              oc->origFontNameLen = oc->fnamelen;
+
+#ifdef NXAGENT_FONTMATCH_DEBUG
+	      fprintf(stderr, "nxListFont changed (1) font to %s\n",tmp);
+#endif
+	      break;
+	  }
+	}
+    }
+
+    if (c->slept)
+    {
+       ClientWakeup(client);
+#ifdef NXAGENT_DEBUG
+       fprintf(stderr, " NXdixfonts: nxdoListFont: client [%lx] wakeup.\n", client);
+#endif
+    }
+    for (i = 0; i < c->num_fpes; i++)
+	FreeFPE(c->fpe_list[i]);
+    xfree(c->fpe_list);
+    if (c->savedName) xfree(c->savedName);
+    FreeFontNames(c->names);
+    xfree(c);
+    xfree(fss);
+    if (resolved) xfree(resolved);
+
+    return doOpenFont(client, oc);
+}
+
+int
+nxOpenFont(client, fid, flags, lenfname, pfontname)
+    ClientPtr   client;
+    XID         fid;
+    Mask        flags;
+    unsigned    lenfname;
+    char       *pfontname;
+{
+    nxFsPtr      fss;
+    LFclosurePtr c;
+    OFclosurePtr oc;
+    int         i;
+    FontPtr     cached = (FontPtr)0;
+
+#ifdef FONTDEBUG
+    char *f;
+    f = (char *)xalloc(lenfname + 1);
+    memmove(f, pfontname, lenfname);
+    f[lenfname] = '\0';
+    ErrorF("OpenFont: fontname is \"%s\"\n", f);
+    xfree(f);
+#endif
+    if (!lenfname || lenfname > XLFDMAXFONTNAMELEN)
+	return BadName;
+    if (patternCache)
+    {
+
+    /*
+    ** Check name cache.  If we find a cached version of this font that
+    ** is cachable, immediately satisfy the request with it.  If we find
+    ** a cached version of this font that is non-cachable, we do not
+    ** satisfy the request with it.  Instead, we pass the FontPtr to the
+    ** FPE's open_font code (the fontfile FPE in turn passes the
+    ** information to the rasterizer; the fserve FPE ignores it).
+    **
+    ** Presumably, the font is marked non-cachable because the FPE has
+    ** put some licensing restrictions on it.  If the FPE, using
+    ** whatever logic it relies on, determines that it is willing to
+    ** share this existing font with the client, then it has the option
+    ** to return the FontPtr we passed it as the newly-opened font.
+    ** This allows the FPE to exercise its licensing logic without
+    ** having to create another instance of a font that already exists.
+    */
+
+	cached = FindCachedFontPattern(patternCache, pfontname, lenfname);
+	if (cached && cached->info.cachable)
+	{
+	    if (!AddResource(fid, RT_FONT, (pointer) cached))
+		return BadAlloc;
+	    cached->refcnt++;
+	    return Success;
+	}
+    }
+    if (!(fss = (nxFsPtr) xalloc(sizeof(nxFs))))
+        return BadAlloc;
+
+    if (!(c = (LFclosurePtr) xalloc(sizeof *c)))
+    {
+	xfree(fss);
+	return BadAlloc;
+    }
+        c->fpe_list = (FontPathElementPtr *)
+	xalloc(sizeof(FontPathElementPtr) * num_fpes);
+    if (!c->fpe_list) {
+	xfree(c);
+	xfree(fss);
+	return BadAlloc;
+    }
+    c->names = MakeFontNamesRecord(100);
+    if (!c->names)
+    {
+	xfree(c->fpe_list);
+	xfree(c);
+	xfree(fss);
+	return BadAlloc;
+    }
+    memmove( c->current.pattern, pfontname, lenfname);
+    for (i = 0; i < num_fpes; i++) {
+	c->fpe_list[i] = font_path_elements[i];
+	UseFPE(c->fpe_list[i]);
+    }
+    c->client = client;
+    c->num_fpes = num_fpes;
+    c->current.patlen = lenfname;
+    c->current.current_fpe = 0;
+    c->current.max_names = nxagentMaxFontNames;
+    c->current.list_started = FALSE;
+    c->current.private = 0;
+    c->haveSaved = FALSE;
+    c->slept = FALSE;
+    c->savedName = 0;
+
+    oc = (OFclosurePtr) xalloc(sizeof(OFclosureRec));
+    if (!oc)
+    {
+      for (i = 0; i < c->num_fpes; i++)
+        FreeFPE(c->fpe_list[i]);
+      xfree(c->fpe_list);
+      xfree(c);
+      xfree(fss);
+      return BadAlloc;
+    }
+    oc->fontname = (char *) xalloc(256);/* I don't want to deal with future reallocs errors */
+    oc->origFontName = pfontname;
+    oc->origFontNameLen = lenfname;
+    if (!oc->fontname) {
+      for (i = 0; i < c->num_fpes; i++)
+        FreeFPE(c->fpe_list[i]);
+      xfree(c->fpe_list);
+      xfree(c);
+      xfree(oc);
+      xfree(fss);
+      return BadAlloc;
+    }
+    /*
+     * copy the current FPE list, so that if it gets changed by another client
+     * while we're blocking, the request still appears atomic
+     */
+    oc->fpe_list = (FontPathElementPtr *)
+	xalloc(sizeof(FontPathElementPtr) * num_fpes);
+    if (!oc->fpe_list) {
+	xfree(oc->fontname);
+	xfree(oc);
+      for (i = 0; i < c->num_fpes; i++)
+         FreeFPE(c->fpe_list[i]);
+       xfree(c->fpe_list);
+       xfree(c);
+       xfree(fss);
+       return BadAlloc;
+    }
+    memmove(oc->fontname, pfontname, lenfname);
+    for (i = 0; i < num_fpes; i++) {
+	oc->fpe_list[i] = font_path_elements[i];
+	UseFPE(oc->fpe_list[i]);
+    }
+    oc->client = client;
+    oc->fontid = fid;
+    oc->current_fpe = 0;
+    oc->num_fpes = num_fpes;
+    oc->fnamelen = lenfname;
+    oc->slept = FALSE;
+    oc->flags = flags;
+    oc->non_cachable_font = cached;
+    fss->c=c;
+    fss->oc=oc;
+    nxdoListFontsAndAliases(client, fss);
+    return Success;
+}
+