1 files changed, 360 insertions, 361 deletions
diff --git a/xorg-server/dix/extension.c b/xorg-server/dix/extension.c
index b7f5c9c8c..c7bbac5ff 100644
--- a/xorg-server/dix/extension.c
+++ b/xorg-server/dix/extension.c
@@ -1,361 +1,360 @@
-/***********************************************************
-
-Copyright 1987, 1998  The Open Group
-
-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.
-
-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 THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, 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 The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-
-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.
-
-******************************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "gcstruct.h"
-#include "scrnintstr.h"
-#include "dispatch.h"
-#include "privates.h"
-#include "registry.h"
-#include "xace.h"
-
-#define LAST_EVENT  128
-#define LAST_ERROR 255
-
-static ExtensionEntry **extensions = (ExtensionEntry **)NULL;
-
-int lastEvent = EXTENSION_EVENT_BASE;
-static int lastError = FirstExtensionError;
-static unsigned int NumExtensions = 0;
-
-ExtensionEntry *
-AddExtension(char *name, int NumEvents, int NumErrors, 
-	     int (*MainProc)(ClientPtr c1), 
-	     int (*SwappedMainProc)(ClientPtr c2), 
-	     void (*CloseDownProc)(ExtensionEntry *e), 
-	     unsigned short (*MinorOpcodeProc)(ClientPtr c3))
-{
-    int i;
-    ExtensionEntry *ext, **newexts;
-
-    if (!MainProc || !SwappedMainProc || !MinorOpcodeProc)
-        return((ExtensionEntry *) NULL);
-    if ((lastEvent + NumEvents > LAST_EVENT) || 
-	        (unsigned)(lastError + NumErrors > LAST_ERROR)) {
-        LogMessage(X_ERROR, "Not enabling extension %s: maximum number of "
-                   "events or errors exceeded.\n", name);
-        return((ExtensionEntry *) NULL);
-    }
-
-    ext = calloc(sizeof (ExtensionEntry), 1);
-    if (!ext)
-	return NULL;
-    if (!dixAllocatePrivates(&ext->devPrivates, PRIVATE_EXTENSION)) {
-	free(ext);
-	return NULL;
-    }
-    ext->name = strdup(name);
-    ext->num_aliases = 0;
-    ext->aliases = (char **)NULL;
-    if (!ext->name)
-    {
-	dixFreePrivates(ext->devPrivates, PRIVATE_EXTENSION);
-	free(ext);
-	return((ExtensionEntry *) NULL);
-    }
-    i = NumExtensions;
-    newexts = (ExtensionEntry **) realloc(extensions,
-					   (i + 1) * sizeof(ExtensionEntry *));
-    if (!newexts)
-    {
-	free(ext->name);
-	dixFreePrivates(ext->devPrivates, PRIVATE_EXTENSION);
-	free(ext);
-	return((ExtensionEntry *) NULL);
-    }
-    NumExtensions++;
-    extensions = newexts;
-    extensions[i] = ext;
-    ext->index = i;
-    ext->base = i + EXTENSION_BASE;
-    ext->CloseDown = CloseDownProc;
-    ext->MinorOpcode = MinorOpcodeProc;
-    ProcVector[i + EXTENSION_BASE] = MainProc;
-    SwappedProcVector[i + EXTENSION_BASE] = SwappedMainProc;
-    if (NumEvents)
-    {
-        ext->eventBase = lastEvent;
-	ext->eventLast = lastEvent + NumEvents;
-	lastEvent += NumEvents;
-    }
-    else
-    {
-        ext->eventBase = 0;
-        ext->eventLast = 0;
-    }
-    if (NumErrors)
-    {
-        ext->errorBase = lastError;
-	ext->errorLast = lastError + NumErrors;
-	lastError += NumErrors;
-    }
-    else
-    {
-        ext->errorBase = 0;
-        ext->errorLast = 0;
-    }
-
-    RegisterExtensionNames(ext);
-    return ext;
-}
-
-Bool AddExtensionAlias(char *alias, ExtensionEntry *ext)
-{
-    char *name;
-    char **aliases;
-
-    if (!ext)
-        return FALSE ;
-    aliases = (char **)realloc(ext->aliases,
-				(ext->num_aliases + 1) * sizeof(char *));
-    if (!aliases)
-	return FALSE;
-    ext->aliases = aliases;
-    name = strdup(alias);
-    if (!name)
-	return FALSE;
-    ext->aliases[ext->num_aliases] = name;
-    ext->num_aliases++;
-    return TRUE;
-}
-
-static int
-FindExtension(char *extname, int len)
-{
-    int i, j;
-
-    for (i=0; i<NumExtensions; i++)
-    {
-	if ((strlen(extensions[i]->name) == len) &&
-	    !strncmp(extname, extensions[i]->name, len))
-	    break;
-	for (j = extensions[i]->num_aliases; --j >= 0;)
-	{
-	    if ((strlen(extensions[i]->aliases[j]) == len) &&
-		!strncmp(extname, extensions[i]->aliases[j], len))
-		break;
-	}
-	if (j >= 0) break;
-    }
-    return ((i == NumExtensions) ? -1 : i);
-}
-
-/*
- * CheckExtension returns the extensions[] entry for the requested
- * extension name.  Maybe this could just return a Bool instead?
- */
-ExtensionEntry *
-CheckExtension(const char *extname)
-{
-    int n;
-
-    n = FindExtension((char*)extname, strlen(extname));
-    if (n != -1)
-	return extensions[n];
-    else
-	return NULL;
-}
-
-/*
- * Added as part of Xace.
- */
-ExtensionEntry *
-GetExtensionEntry(int major)
-{    
-    if (major < EXTENSION_BASE)
-	return NULL;
-    major -= EXTENSION_BASE;
-    if (major >= NumExtensions)
-	return NULL;
-    return extensions[major];
-}
-
-unsigned short
-StandardMinorOpcode(ClientPtr client)
-{
-    return ((xReq *)client->requestBuffer)->data;
-}
-
-unsigned short
-MinorOpcodeOfRequest(ClientPtr client)
-{
-    unsigned char major;
-
-    major = ((xReq *)client->requestBuffer)->reqType;
-    if (major < EXTENSION_BASE)
-	return 0;
-    major -= EXTENSION_BASE;
-    if (major >= NumExtensions)
-	return 0;
-    return (*extensions[major]->MinorOpcode)(client);
-}
-
-void
-CloseDownExtensions(void)
-{
-    int i,j;
-
-    for (i = NumExtensions - 1; i >= 0; i--)
-    {
-	if (extensions[i]->CloseDown)
-	    extensions[i]->CloseDown(extensions[i]);
-	NumExtensions = i;
-	free(extensions[i]->name);
-	for (j = extensions[i]->num_aliases; --j >= 0;)
-	    free(extensions[i]->aliases[j]);
-	free(extensions[i]->aliases);
-	dixFreePrivates(extensions[i]->devPrivates, PRIVATE_EXTENSION);
-	free(extensions[i]);
-    }
-    free(extensions);
-    extensions = (ExtensionEntry **)NULL;
-    lastEvent = EXTENSION_EVENT_BASE;
-    lastError = FirstExtensionError;
-}
-
-int
-ProcQueryExtension(ClientPtr client)
-{
-    xQueryExtensionReply reply;
-    int i;
-    REQUEST(xQueryExtensionReq);
-
-    REQUEST_FIXED_SIZE(xQueryExtensionReq, stuff->nbytes);
-
-    memset(&reply, 0, sizeof(xQueryExtensionReply));
-    reply.type = X_Reply;
-    reply.length = 0;
-    reply.major_opcode = 0;
-    reply.sequenceNumber = client->sequence;
-
-    if ( ! NumExtensions )
-        reply.present = xFalse;
-    else
-    {
-	i = FindExtension((char *)&stuff[1], stuff->nbytes);
-        if (i < 0 || XaceHook(XACE_EXT_ACCESS, client, extensions[i]))
-            reply.present = xFalse;
-        else
-        {            
-            reply.present = xTrue;
-	    reply.major_opcode = extensions[i]->base;
-	    reply.first_event = extensions[i]->eventBase;
-	    reply.first_error = extensions[i]->errorBase;
-	}
-    }
-    WriteReplyToClient(client, sizeof(xQueryExtensionReply), &reply);
-    return Success;
-}
-
-int
-ProcListExtensions(ClientPtr client)
-{
-    xListExtensionsReply reply;
-    char *bufptr, *buffer;
-    int total_length = 0;
-
-    REQUEST_SIZE_MATCH(xReq);
-
-    memset(&reply, 0, sizeof(xListExtensionsReply));
-    reply.type = X_Reply;
-    reply.nExtensions = 0;
-    reply.length = 0;
-    reply.sequenceNumber = client->sequence;
-    buffer = NULL;
-
-    if ( NumExtensions )
-    {
-        int i, j;
-
-        for (i=0;  i<NumExtensions; i++)
-	{
-	    /* call callbacks to find out whether to show extension */
-	    if (XaceHook(XACE_EXT_ACCESS, client, extensions[i]) != Success)
-		continue;
-
-	    total_length += strlen(extensions[i]->name) + 1;
-	    reply.nExtensions += 1 + extensions[i]->num_aliases;
-	    for (j = extensions[i]->num_aliases; --j >= 0;)
-		total_length += strlen(extensions[i]->aliases[j]) + 1;
-	}
-        reply.length = bytes_to_int32(total_length);
-	buffer = bufptr = malloc(total_length);
-	if (!buffer)
-	    return BadAlloc;
-        for (i=0;  i<NumExtensions; i++)
-        {
-	    int len;
-	    if (XaceHook(XACE_EXT_ACCESS, client, extensions[i]) != Success)
-		continue;
-
-            *bufptr++ = len = strlen(extensions[i]->name);
-	    memmove(bufptr, extensions[i]->name,  len);
-	    bufptr += len;
-	    for (j = extensions[i]->num_aliases; --j >= 0;)
-	    {
-		*bufptr++ = len = strlen(extensions[i]->aliases[j]);
-		memmove(bufptr, extensions[i]->aliases[j],  len);
-		bufptr += len;
-	    }
-	}
-    }
-    WriteReplyToClient(client, sizeof(xListExtensionsReply), &reply);
-    if (reply.length)
-    {
-        WriteToClient(client, total_length, buffer);
-        free(buffer);
-    }
-    return Success;
-}
+/***********************************************************
+
+Copyright 1987, 1998  The Open Group
+
+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.
+
+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 THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, 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 The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+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.
+
+******************************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "gcstruct.h"
+#include "scrnintstr.h"
+#include "dispatch.h"
+#include "privates.h"
+#include "registry.h"
+#include "xace.h"
+
+#define LAST_EVENT  128
+#define LAST_ERROR 255
+
+static ExtensionEntry **extensions = (ExtensionEntry **)NULL;
+
+int lastEvent = EXTENSION_EVENT_BASE;
+static int lastError = FirstExtensionError;
+static unsigned int NumExtensions = 0;
+
+ExtensionEntry *
+AddExtension(char *name, int NumEvents, int NumErrors, 
+	     int (*MainProc)(ClientPtr c1), 
+	     int (*SwappedMainProc)(ClientPtr c2), 
+	     void (*CloseDownProc)(ExtensionEntry *e), 
+	     unsigned short (*MinorOpcodeProc)(ClientPtr c3))
+{
+    int i;
+    ExtensionEntry *ext, **newexts;
+
+    if (!MainProc || !SwappedMainProc || !MinorOpcodeProc)
+        return((ExtensionEntry *) NULL);
+    if ((lastEvent + NumEvents > LAST_EVENT) || 
+	        (unsigned)(lastError + NumErrors > LAST_ERROR)) {
+        LogMessage(X_ERROR, "Not enabling extension %s: maximum number of "
+                   "events or errors exceeded.\n", name);
+        return((ExtensionEntry *) NULL);
+    }
+
+    ext = calloc(sizeof (ExtensionEntry), 1);
+    if (!ext)
+	return NULL;
+    if (!dixAllocatePrivates(&ext->devPrivates, PRIVATE_EXTENSION)) {
+	free(ext);
+	return NULL;
+    }
+    ext->name = strdup(name);
+    ext->num_aliases = 0;
+    ext->aliases = (char **)NULL;
+    if (!ext->name)
+    {
+	dixFreePrivates(ext->devPrivates, PRIVATE_EXTENSION);
+	free(ext);
+	return((ExtensionEntry *) NULL);
+    }
+    i = NumExtensions;
+    newexts = (ExtensionEntry **) realloc(extensions,
+					   (i + 1) * sizeof(ExtensionEntry *));
+    if (!newexts)
+    {
+	free(ext->name);
+	dixFreePrivates(ext->devPrivates, PRIVATE_EXTENSION);
+	free(ext);
+	return((ExtensionEntry *) NULL);
+    }
+    NumExtensions++;
+    extensions = newexts;
+    extensions[i] = ext;
+    ext->index = i;
+    ext->base = i + EXTENSION_BASE;
+    ext->CloseDown = CloseDownProc;
+    ext->MinorOpcode = MinorOpcodeProc;
+    ProcVector[i + EXTENSION_BASE] = MainProc;
+    SwappedProcVector[i + EXTENSION_BASE] = SwappedMainProc;
+    if (NumEvents)
+    {
+        ext->eventBase = lastEvent;
+	ext->eventLast = lastEvent + NumEvents;
+	lastEvent += NumEvents;
+    }
+    else
+    {
+        ext->eventBase = 0;
+        ext->eventLast = 0;
+    }
+    if (NumErrors)
+    {
+        ext->errorBase = lastError;
+	ext->errorLast = lastError + NumErrors;
+	lastError += NumErrors;
+    }
+    else
+    {
+        ext->errorBase = 0;
+        ext->errorLast = 0;
+    }
+
+    RegisterExtensionNames(ext);
+    return ext;
+}
+
+Bool AddExtensionAlias(char *alias, ExtensionEntry *ext)
+{
+    char *name;
+    char **aliases;
+
+    if (!ext)
+        return FALSE ;
+    aliases = (char **)realloc(ext->aliases,
+				(ext->num_aliases + 1) * sizeof(char *));
+    if (!aliases)
+	return FALSE;
+    ext->aliases = aliases;
+    name = strdup(alias);
+    if (!name)
+	return FALSE;
+    ext->aliases[ext->num_aliases] = name;
+    ext->num_aliases++;
+    return TRUE;
+}
+
+static int
+FindExtension(char *extname, int len)
+{
+    int i, j;
+
+    for (i=0; i<NumExtensions; i++)
+    {
+	if ((strlen(extensions[i]->name) == len) &&
+	    !strncmp(extname, extensions[i]->name, len))
+	    break;
+	for (j = extensions[i]->num_aliases; --j >= 0;)
+	{
+	    if ((strlen(extensions[i]->aliases[j]) == len) &&
+		!strncmp(extname, extensions[i]->aliases[j], len))
+		break;
+	}
+	if (j >= 0) break;
+    }
+    return ((i == NumExtensions) ? -1 : i);
+}
+
+/*
+ * CheckExtension returns the extensions[] entry for the requested
+ * extension name.  Maybe this could just return a Bool instead?
+ */
+ExtensionEntry *
+CheckExtension(const char *extname)
+{
+    int n;
+
+    n = FindExtension((char*)extname, strlen(extname));
+    if (n != -1)
+	return extensions[n];
+    else
+	return NULL;
+}
+
+/*
+ * Added as part of Xace.
+ */
+ExtensionEntry *
+GetExtensionEntry(int major)
+{    
+    if (major < EXTENSION_BASE)
+	return NULL;
+    major -= EXTENSION_BASE;
+    if (major >= NumExtensions)
+	return NULL;
+    return extensions[major];
+}
+
+unsigned short
+StandardMinorOpcode(ClientPtr client)
+{
+    return ((xReq *)client->requestBuffer)->data;
+}
+
+unsigned short
+MinorOpcodeOfRequest(ClientPtr client)
+{
+    unsigned char major;
+
+    major = ((xReq *)client->requestBuffer)->reqType;
+    if (major < EXTENSION_BASE)
+	return 0;
+    major -= EXTENSION_BASE;
+    if (major >= NumExtensions)
+	return 0;
+    return (*extensions[major]->MinorOpcode)(client);
+}
+
+void
+CloseDownExtensions(void)
+{
+    int i,j;
+
+    for (i = NumExtensions - 1; i >= 0; i--)
+    {
+	if (extensions[i]->CloseDown)
+	    extensions[i]->CloseDown(extensions[i]);
+	NumExtensions = i;
+	free(extensions[i]->name);
+	for (j = extensions[i]->num_aliases; --j >= 0;)
+	    free(extensions[i]->aliases[j]);
+	free(extensions[i]->aliases);
+	dixFreePrivates(extensions[i]->devPrivates, PRIVATE_EXTENSION);
+	free(extensions[i]);
+    }
+    free(extensions);
+    extensions = (ExtensionEntry **)NULL;
+    lastEvent = EXTENSION_EVENT_BASE;
+    lastError = FirstExtensionError;
+}
+
+int
+ProcQueryExtension(ClientPtr client)
+{
+    xQueryExtensionReply reply;
+    int i;
+    REQUEST(xQueryExtensionReq);
+
+    REQUEST_FIXED_SIZE(xQueryExtensionReq, stuff->nbytes);
+
+    memset(&reply, 0, sizeof(xQueryExtensionReply));
+    reply.type = X_Reply;
+    reply.length = 0;
+    reply.major_opcode = 0;
+    reply.sequenceNumber = client->sequence;
+
+    if ( ! NumExtensions )
+        reply.present = xFalse;
+    else
+    {
+	i = FindExtension((char *)&stuff[1], stuff->nbytes);
+        if (i < 0 || XaceHook(XACE_EXT_ACCESS, client, extensions[i]))
+            reply.present = xFalse;
+        else
+        {            
+            reply.present = xTrue;
+	    reply.major_opcode = extensions[i]->base;
+	    reply.first_event = extensions[i]->eventBase;
+	    reply.first_error = extensions[i]->errorBase;
+	}
+    }
+    WriteReplyToClient(client, sizeof(xQueryExtensionReply), &reply);
+    return Success;
+}
+
+int
+ProcListExtensions(ClientPtr client)
+{
+    xListExtensionsReply reply;
+    char *bufptr, *buffer;
+    int total_length = 0;
+
+    REQUEST_SIZE_MATCH(xReq);
+
+    memset(&reply, 0, sizeof(xListExtensionsReply));
+    reply.type = X_Reply;
+    reply.nExtensions = 0;
+    reply.length = 0;
+    reply.sequenceNumber = client->sequence;
+    buffer = NULL;
+
+    if ( NumExtensions )
+    {
+        int i, j;
+
+        for (i=0;  i<NumExtensions; i++)
+	{
+	    /* call callbacks to find out whether to show extension */
+	    if (XaceHook(XACE_EXT_ACCESS, client, extensions[i]) != Success)
+		continue;
+
+	    total_length += strlen(extensions[i]->name) + 1;
+	    reply.nExtensions += 1 + extensions[i]->num_aliases;
+	    for (j = extensions[i]->num_aliases; --j >= 0;)
+		total_length += strlen(extensions[i]->aliases[j]) + 1;
+	}
+        reply.length = bytes_to_int32(total_length);
+	buffer = bufptr = malloc(total_length);
+	if (!buffer)
+	    return BadAlloc;
+        for (i=0;  i<NumExtensions; i++)
+        {
+	    int len;
+	    if (XaceHook(XACE_EXT_ACCESS, client, extensions[i]) != Success)
+		continue;
+
+            *bufptr++ = len = strlen(extensions[i]->name);
+	    memmove(bufptr, extensions[i]->name,  len);
+	    bufptr += len;
+	    for (j = extensions[i]->num_aliases; --j >= 0;)
+	    {
+		*bufptr++ = len = strlen(extensions[i]->aliases[j]);
+		memmove(bufptr, extensions[i]->aliases[j],  len);
+		bufptr += len;
+	    }
+	}
+    }
+    WriteReplyToClient(client, sizeof(xListExtensionsReply), &reply);
+    if (reply.length)
+        WriteToClient(client, total_length, buffer);
+
+    free(buffer);
+    return Success;
+}