Merge commit '777bf90abeac37087a3d0538b847742523d5acf2'

20 files changed, 95 insertions, 128 deletions

diff --git a/Xext/xace.c b/Xext/xace.c
index c757cad05..ef69fe363 100644
--- a/Xext/xace.c
+++ b/Xext/xace.c
@@ -101,6 +101,10 @@ int XaceHook(int hook, ...)
     } u;
     int *prv = NULL;	/* points to return value from callback */
     va_list ap;		/* argument list */
+
+    if (!XaceHooks[hook])
+	return Success;
+
     va_start(ap, hook);
 
     /* Marshal arguments for passing to callback.
diff --git a/Xext/xf86bigfont.c b/Xext/xf86bigfont.c
index 4b63a13a1..5053852a4 100644
--- a/Xext/xf86bigfont.c
+++ b/Xext/xf86bigfont.c
@@ -300,7 +300,7 @@ ProcXF86BigfontQueryVersion(
 #endif
     reply.capabilities =
 #ifdef HAS_SHM
-	(LocalClient(client) && !client->swapped ? XF86Bigfont_CAP_LocalShm : 0)
+	(client->local && !client->swapped ? XF86Bigfont_CAP_LocalShm : 0)
 #else
 	0
 #endif
@@ -367,7 +367,7 @@ ProcXF86BigfontQueryFont(
 #else
     switch (client->req_len) {
 	case 2: /* client with version 1.0 libX11 */
-	    stuff_flags = (LocalClient(client) && !client->swapped ? XF86Bigfont_FLAGS_Shm : 0);
+	    stuff_flags = (client->local && !client->swapped ? XF86Bigfont_FLAGS_Shm : 0);
 	    break;
 	case 3: /* client with version 1.1 libX11 */
 	    stuff_flags = stuff->flags;
diff --git a/dix/dispatch.c b/dix/dispatch.c
index 048dff652..b91b41f4a 100644
--- a/dix/dispatch.c
+++ b/dix/dispatch.c
@@ -425,9 +425,11 @@ Dispatch(void)
 			client->minorOp = ext->MinorOpcode(client);
 		}
 #ifdef XSERVER_DTRACE
-		XSERVER_REQUEST_START(LookupMajorName(client->majorOp), client->majorOp,
-			      ((xReq *)client->requestBuffer)->length,
-			      client->index, client->requestBuffer);
+		if (XSERVER_REQUEST_START_ENABLED())
+		    XSERVER_REQUEST_START(LookupMajorName(client->majorOp),
+					  client->majorOp,
+					  ((xReq *)client->requestBuffer)->length,
+					  client->index, client->requestBuffer);
 #endif
 		if (result > (maxBigRequestSize << 2))
 		    result = BadLength;
@@ -438,8 +440,10 @@ Dispatch(void)
 		    XaceHookAuditEnd(client, result);
 		}
 #ifdef XSERVER_DTRACE
-		XSERVER_REQUEST_DONE(LookupMajorName(client->majorOp), client->majorOp,
-			      client->sequence, client->index, result);
+		if (XSERVER_REQUEST_DONE_ENABLED())
+		    XSERVER_REQUEST_DONE(LookupMajorName(client->majorOp),
+					 client->majorOp, client->sequence,
+					 client->index, result);
 #endif
 
 		if (client->noClientException != Success)
@@ -3578,12 +3582,14 @@ ProcInitialConnection(ClientPtr client)
     REQUEST(xReq);
     xConnClientPrefix *prefix;
     int whichbyte = 1;
+    char order;
 
     prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
-    if ((prefix->byteOrder != 'l') && (prefix->byteOrder != 'B'))
+    order = prefix->byteOrder;
+    if (order != 'l' && order != 'B' && order != 'r' && order != 'R')
 	return client->noClientException = -1;
-    if (((*(char *) &whichbyte) && (prefix->byteOrder == 'B')) ||
-	(!(*(char *) &whichbyte) && (prefix->byteOrder == 'l')))
+    if (((*(char *) &whichbyte) && (order == 'B' || order == 'R')) ||
+	(!(*(char *) &whichbyte) && (order == 'l' || order == 'r')))
     {
 	client->swapped = TRUE;
 	SwapConnClientPrefix(prefix);
@@ -3595,6 +3601,10 @@ ProcInitialConnection(ClientPtr client)
     {
 	swaps(&stuff->length);
     }
+    if (order == 'r' || order == 'R')
+    {
+	client->local = FALSE;
+    }
     ResetCurrentRequest(client);
     return Success;
 }
diff --git a/dix/dixutils.c b/dix/dixutils.c
index 00bbde67c..2b5391f2d 100644
--- a/dix/dixutils.c
+++ b/dix/dixutils.c
@@ -202,13 +202,12 @@ dixLookupDrawable(DrawablePtr *pDraw, XID id, ClientPtr client,
     int rc;
 
     *pDraw = NULL;
-    client->errorValue = id;
-
-    if (id == INVALID)
-	return BadDrawable;
 
     rc = dixLookupResourceByClass((pointer *)&pTmp, id, RC_DRAWABLE, client, access);
 
+    if (rc != Success)
+	client->errorValue = id;
+
     if (rc == BadValue)
 	return BadDrawable;
     if (rc != Success)
diff --git a/hw/kdrive/ephyr/ephyrdriext.c b/hw/kdrive/ephyr/ephyrdriext.c
index 0741a7294..85e38e058 100644
--- a/hw/kdrive/ephyr/ephyrdriext.c
+++ b/hw/kdrive/ephyr/ephyrdriext.c
@@ -586,7 +586,7 @@ ProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client)
     }
     rep.isCapable = isCapable;
 
-    if (!LocalClient(client) || client->swapped)
+    if (!client->local || client->swapped)
 	rep.isCapable = 0;
 
     if (client->swapped) {
@@ -1253,7 +1253,7 @@ ProcXF86DRIDispatch (register ClientPtr	client)
         }
     }
 
-    if (!LocalClient(client))
+    if (!client->local)
         return DRIErrorBase + XF86DRIClientNotLocal;
 
     switch (stuff->data)
diff --git a/hw/xfree86/ddc/ddcProperty.c b/hw/xfree86/ddc/ddcProperty.c
index 5d6eec927..c3aced5c2 100644
--- a/hw/xfree86/ddc/ddcProperty.c
+++ b/hw/xfree86/ddc/ddcProperty.c
@@ -33,7 +33,6 @@
 #include <string.h>
 
 #define EDID1_ATOM_NAME         "XFree86_DDC_EDID1_RAWDATA"
-#define EDID2_ATOM_NAME         "XFree86_DDC_EDID2_RAWDATA"
 
 static void
 edidMakeAtom(int i, const char *name, CARD8 *data, int size)
@@ -52,59 +51,21 @@ edidMakeAtom(int i, const char *name, CARD8 *data, int size)
 static void
 addRootWindowProperties(ScrnInfoPtr pScrn, xf86MonPtr DDC)
 {
-    int i, scrnIndex = pScrn->scrnIndex;
-    Bool makeEDID1prop = FALSE;
-    Bool makeEDID2prop = FALSE;
+    int scrnIndex = pScrn->scrnIndex;
 
     if (DDC->flags & MONITOR_DISPLAYID) {
 	/* Don't bother, use RANDR already */
 	return;
     } else if (DDC->ver.version == 1) {
-	makeEDID1prop = TRUE;
-    } else if (DDC->ver.version == 2) {
-	int checksum1;
-	int checksum2;
-	makeEDID2prop = TRUE;
+	int size = 128 +
+	    (DDC->flags & EDID_COMPLETE_RAWDATA ? DDC->no_sections * 128 : 0);
 
-	/* Some monitors (eg Panasonic PanaSync4)
-	 * report version==2 because they used EDID v2 spec document,
-	 * although they use EDID v1 data structure :-(
-	 *
-	 * Try using checksum to determine when we have such a monitor.
-	 */
-	checksum2 = 0;
-	for (i = 0; i < 256; i++)
-	    checksum2 += DDC->rawData[i];
-	if (checksum2 % 256) {
-	    xf86DrvMsg(scrnIndex, X_INFO, "Monitor EDID v2 checksum failed\n");
-	    xf86DrvMsg(scrnIndex, X_INFO,
-		    "XFree86_DDC_EDID2_RAWDATA property may be bad\n");
-	    checksum1 = 0;
-	    for (i = 0; i < 128; i++)
-		checksum1 += DDC->rawData[i];
-	    if (!(checksum1 % 256)) {
-		xf86DrvMsg(scrnIndex, X_INFO,
-			"Monitor EDID v1 checksum passed,\n");
-		xf86DrvMsg(scrnIndex, X_INFO,
-			"XFree86_DDC_EDID1_RAWDATA property created\n");
-		makeEDID1prop = TRUE;
-	    }
-	}
+	edidMakeAtom(scrnIndex, EDID1_ATOM_NAME, DDC->rawData, size);
     } else {
 	xf86DrvMsg(scrnIndex, X_PROBED, "unexpected EDID version %d.%d\n",
 		DDC->ver.version, DDC->ver.revision);
 	return;
     }
-
-    if (makeEDID1prop) {
-	int size = 128 +
-	    (DDC->flags & EDID_COMPLETE_RAWDATA ? DDC->no_sections * 128 : 0);
-
-	edidMakeAtom(scrnIndex, EDID1_ATOM_NAME, DDC->rawData, size);
-    } 
-
-    if (makeEDID2prop)
-	edidMakeAtom(scrnIndex, EDID2_ATOM_NAME, DDC->rawData, 256);
 }
 
 Bool
diff --git a/hw/xfree86/dixmods/extmod/xf86dga2.c b/hw/xfree86/dixmods/extmod/xf86dga2.c
index 4bcf77efd..4b17f152e 100644
--- a/hw/xfree86/dixmods/extmod/xf86dga2.c
+++ b/hw/xfree86/dixmods/extmod/xf86dga2.c
@@ -928,7 +928,7 @@ ProcXDGADispatch (ClientPtr client)
 {
     REQUEST(xReq);
 
-    if (!LocalClient(client))
+    if (!client->local)
 	return DGAErrorBase + XF86DGAClientNotLocal;
 
 #ifdef DGA_REQ_DEBUG
diff --git a/hw/xfree86/dixmods/extmod/xf86vmode.c b/hw/xfree86/dixmods/extmod/xf86vmode.c
index 6d3d5fcbc..6e5e3f94c 100644
--- a/hw/xfree86/dixmods/extmod/xf86vmode.c
+++ b/hw/xfree86/dixmods/extmod/xf86vmode.c
@@ -1527,7 +1527,7 @@ ProcXF86VidModeGetPermissions(ClientPtr client)
     rep.sequenceNumber = client->sequence;
     rep.permissions = XF86VM_READ_PERMISSION;
     if (xf86GetVidModeEnabled() &&
-	(xf86GetVidModeAllowNonLocal() || LocalClient (client))) {
+	(xf86GetVidModeAllowNonLocal() || client->local)) {
 	rep.permissions |= XF86VM_WRITE_PERMISSION;
     }
     if(client->swapped) {
@@ -1597,7 +1597,7 @@ ProcXF86VidModeDispatch(ClientPtr client)
     default:
 	if (!xf86GetVidModeEnabled())
 	    return VidModeErrorBase + XF86VidModeExtensionDisabled;
-	if (xf86GetVidModeAllowNonLocal() || LocalClient (client)) {
+	if (xf86GetVidModeAllowNonLocal() || client->local) {
 	    switch (stuff->data) {
 	    case X_XF86VidModeAddModeLine:
 		return ProcXF86VidModeAddModeLine(client);
@@ -2017,7 +2017,7 @@ SProcXF86VidModeDispatch(ClientPtr client)
     default:
 	if (!xf86GetVidModeEnabled())
 	    return VidModeErrorBase + XF86VidModeExtensionDisabled;
-	if (xf86GetVidModeAllowNonLocal() || LocalClient(client)) {
+	if (xf86GetVidModeAllowNonLocal() || client->local) {
 	    switch (stuff->data) {
 	    case X_XF86VidModeAddModeLine:
 		return SProcXF86VidModeAddModeLine(client);
diff --git a/hw/xfree86/dri/xf86dri.c b/hw/xfree86/dri/xf86dri.c
index c35ba2f94..723e52622 100644
--- a/hw/xfree86/dri/xf86dri.c
+++ b/hw/xfree86/dri/xf86dri.c
@@ -130,7 +130,7 @@ ProcXF86DRIQueryDirectRenderingCapable(
     }
     rep.isCapable = isCapable;
 
-    if (!LocalClient(client) || client->swapped)
+    if (!client->local || client->swapped)
 	rep.isCapable = 0;
 
     if (client->swapped) {
@@ -557,7 +557,7 @@ ProcXF86DRIDispatch (
 	return ProcXF86DRIQueryDirectRenderingCapable(client);
     }
 
-    if (!LocalClient(client))
+    if (!client->local)
 	return DRIErrorBase + XF86DRIClientNotLocal;
 
     switch (stuff->data)
diff --git a/hw/xfree86/dri2/dri2ext.c b/hw/xfree86/dri2/dri2ext.c
index 73ef7f25e..21331559f 100644
--- a/hw/xfree86/dri2/dri2ext.c
+++ b/hw/xfree86/dri2/dri2ext.c
@@ -547,7 +547,7 @@ ProcDRI2Dispatch (ClientPtr client)
 	return ProcDRI2QueryVersion(client);
     }
 
-    if (!LocalClient(client))
+    if (!client->local)
 	return BadRequest;
 
     switch (stuff->data) {
diff --git a/hw/xquartz/applewm.c b/hw/xquartz/applewm.c
index 55976c454..7077a6c6a 100644
--- a/hw/xquartz/applewm.c
+++ b/hw/xquartz/applewm.c
@@ -630,7 +630,7 @@ ProcAppleWMDispatch (
         return ProcAppleWMQueryVersion(client);
     }
 
-    if (!LocalClient(client))
+    if (!client->local)
         return WMErrorBase + AppleWMClientNotLocal;
 
     switch (stuff->data)
@@ -693,7 +693,7 @@ SProcAppleWMDispatch (
     REQUEST(xReq);
 
     /* It is bound to be non-local when there is byte swapping */
-    if (!LocalClient(client))
+    if (!client->local)
         return WMErrorBase + AppleWMClientNotLocal;
 
     /* only local clients are allowed WM access */
diff --git a/hw/xquartz/xpr/appledri.c b/hw/xquartz/xpr/appledri.c
index 44c132abc..091145be3 100644
--- a/hw/xquartz/xpr/appledri.c
+++ b/hw/xquartz/xpr/appledri.c
@@ -133,7 +133,7 @@ ProcAppleDRIQueryDirectRenderingCapable(
     }
     rep.isCapable = isCapable;
 
-    if (!LocalClient(client))
+    if (!client->local)
         rep.isCapable = 0;
 
     if (client->swapped) {
@@ -365,7 +365,7 @@ ProcAppleDRIDispatch (
         return ProcAppleDRIQueryDirectRenderingCapable(client);
     }
 
-    if (!LocalClient(client))
+    if (!client->local)
         return DRIErrorBase + AppleDRIClientNotLocal;
 
     switch (stuff->data)
diff --git a/hw/xwin/winwindowswm.c b/hw/xwin/winwindowswm.c
index 577614db6..f43834d5e 100644
--- a/hw/xwin/winwindowswm.c
+++ b/hw/xwin/winwindowswm.c
@@ -548,7 +548,7 @@ ProcWindowsWMDispatch (ClientPtr client)
       return ProcWindowsWMQueryVersion(client);
     }
 
-  if (!LocalClient(client))
+  if (!client->local)
     return WMErrorBase + WindowsWMClientNotLocal;
 
   switch (stuff->data)
@@ -598,7 +598,7 @@ SProcWindowsWMDispatch (ClientPtr client)
   REQUEST(xReq);
 
   /* It is bound to be non-local when there is byte swapping */
-  if (!LocalClient(client))
+  if (!client->local)
     return WMErrorBase + WindowsWMClientNotLocal;
 
   /* only local clients are allowed WM access */
diff --git a/include/dixstruct.h b/include/dixstruct.h
index 0a85f40b6..cb370519e 100644
--- a/include/dixstruct.h
+++ b/include/dixstruct.h
@@ -90,23 +90,23 @@ typedef struct _Client {
     Mask        clientAsMask;
     pointer     requestBuffer;
     pointer     osPrivate;	/* for OS layer, including scheduler */
-    Bool        swapped;
+    char        swapped;
+    char        local;
+    char        big_requests;
+    char        closeDownMode;
+    char        clientGone;
+    char        noClientException;	/* this client died or needs to be
+					 * killed */
+    char	clientState;
     ReplySwapPtr pSwapReplyFunc;
     XID         errorValue;
     int         sequence;
-    int         closeDownMode;
-    int         clientGone;
-    int         noClientException;	/* this client died or needs to be
-					 * killed */
     int         ignoreCount;		/* count for Attend/IgnoreClient */
-    SaveSetElt	*saveSet;
     int         numSaved;
-    int         (**requestVector) (
-		ClientPtr /* pClient */);
+    SaveSetElt	*saveSet;
+    int         (**requestVector) (ClientPtr /* pClient */);
     CARD32	req_len;		/* length of current request */
-    Bool	big_requests;		/* supports large requests */
     int		priority;
-    ClientState clientState;
     PrivateRec	*devPrivates;
     unsigned short	xkbClientFlags;
     unsigned short	mapNotifyMask;
@@ -114,16 +114,16 @@ typedef struct _Client {
     unsigned short	vMajor,vMinor;
     KeyCode		minKC,maxKC;
 
-    unsigned long replyBytesRemaining;
+    unsigned int replyBytesRemaining;
     int	    smart_priority;
-    long    smart_start_tick;
-    long    smart_stop_tick;
-    long    smart_check_tick;
+    int     smart_start_tick;
+    int     smart_stop_tick;
+    int     smart_check_tick;
     
     DeviceIntPtr clientPtr;
     ClientIdPtr  clientIds;
     unsigned short majorOp, minorOp;
-}           ClientRec;
+} ClientRec;
 
 /*
  * Scheduling interface
diff --git a/include/os.h b/include/os.h
index 48ce32962..84dedd5cb 100644
--- a/include/os.h
+++ b/include/os.h
@@ -353,8 +353,6 @@ typedef struct sockaddr * sockaddrPtr;
 
 extern _X_EXPORT int InvalidHost(sockaddrPtr /*saddr*/, int /*len*/, ClientPtr client);
 
-extern _X_EXPORT int LocalClient(ClientPtr /* client */);
-
 extern _X_EXPORT int LocalClientCred(ClientPtr, int *, int *);
 
 #define LCC_UID_SET	(1 << 0)
diff --git a/include/windowstr.h b/include/windowstr.h
index 222de31dc..1124dfc4c 100644
--- a/include/windowstr.h
+++ b/include/windowstr.h
@@ -87,8 +87,8 @@ typedef struct _WindowOpt {
     struct _OtherClients *otherClients;	   /* default: NULL */
     struct _GrabRec	*passiveGrabs;	   /* default: NULL */
     PropertyPtr		userProps;	   /* default: NULL */
-    unsigned long	backingBitPlanes;  /* default: ~0L */
-    unsigned long	backingPixel;	   /* default: 0 */
+    CARD32		backingBitPlanes;  /* default: ~0L */
+    CARD32		backingPixel;	   /* default: 0 */
     RegionPtr		boundingShape;	   /* default: NULL */
     RegionPtr		clipShape;	   /* default: NULL */
     RegionPtr		inputShape;	   /* default: NULL */
diff --git a/os/access.c b/os/access.c
index b609442de..ed13d0a0d 100644
--- a/os/access.c
+++ b/os/access.c
@@ -1045,13 +1045,6 @@ ComputeLocalClient(ClientPtr client)
     return FALSE;
 }
 
-Bool LocalClient(ClientPtr client)
-{
-    if (!client->osPrivate)
-        return FALSE;
-    return ((OsCommPtr)client->osPrivate)->local_client;
-}
-
 /*
  * Return the uid and gid of a connected local client
  * 
@@ -1209,7 +1202,7 @@ AuthorizedClient(ClientPtr client)
     if (rc != Success)
 	return rc;
 
-    return LocalClient(client) ? Success : BadAccess;
+    return client->local ? Success : BadAccess;
 }
 
 /* Add a host to the access control list.  This is the external interface
diff --git a/os/connection.c b/os/connection.c
index 8a677a7ef..2c90d72a9 100644
--- a/os/connection.c
+++ b/os/connection.c
@@ -745,7 +745,7 @@ AllocNewConnection (XtransConnInfo trans_conn, int fd, CARD32 conn_time)
 	free(oc);
 	return NullClient;
     }
-    oc->local_client = ComputeLocalClient(client);
+    client->local = ComputeLocalClient(client);
 #if !defined(WIN32)
     ConnectionTranslation[fd] = client->index;
 #else
@@ -873,6 +873,8 @@ EstablishNewConnections(ClientPtr clientUnused, pointer closure)
  *     Fail a connection due to lack of client or file descriptor space
  ************/
 
+#define BOTIMEOUT 200 /* in milliseconds */
+
 static void
 ErrorConnMax(XtransConnInfo trans_conn)
 {
@@ -880,7 +882,7 @@ ErrorConnMax(XtransConnInfo trans_conn)
     xConnSetupPrefix csp;
     char pad[3];
     struct iovec iov[3];
-    char byteOrder = 0;
+    char order = 0;
     int whichbyte = 1;
     struct timeval waittime;
     fd_set mask;
@@ -893,16 +895,16 @@ ErrorConnMax(XtransConnInfo trans_conn)
     FD_SET(fd, &mask);
     (void)Select(fd + 1, &mask, NULL, NULL, &waittime);
     /* try to read the byte-order of the connection */
-    (void)_XSERVTransRead(trans_conn, &byteOrder, 1);
-    if ((byteOrder == 'l') || (byteOrder == 'B'))
+    (void)_XSERVTransRead(trans_conn, &order, 1);
+    if (order == 'l' || order == 'B' || order == 'r' || order == 'R')
     {
 	csp.success = xFalse;
 	csp.lengthReason = sizeof(NOROOM) - 1;
 	csp.length = (sizeof(NOROOM) + 2) >> 2;
 	csp.majorVersion = X_PROTOCOL;
 	csp.minorVersion = X_PROTOCOL_REVISION;
-	if (((*(char *) &whichbyte) && (byteOrder == 'B')) ||
-	    (!(*(char *) &whichbyte) && (byteOrder == 'l')))
+	if (((*(char *) &whichbyte) && (order == 'B' || order == 'R')) ||
+	    (!(*(char *) &whichbyte) && (order == 'l' || order == 'r')))
 	{
 	    swaps(&csp.majorVersion);
 	    swaps(&csp.minorVersion);
@@ -1030,7 +1032,7 @@ CloseDownConnection(ClientPtr client)
     if (FlushCallback)
 	CallCallbacks(&FlushCallback, NULL);
 
-    if (oc->output && oc->output->count)
+    if (oc->output)
 	FlushClient(client, oc, (char *)NULL, 0);
 #ifdef XDMCP
     XdmcpCloseDisplay(oc->fd);
diff --git a/os/io.c b/os/io.c
index ebb821653..78b7260c7 100644
--- a/os/io.c
+++ b/os/io.c
@@ -84,6 +84,23 @@ SOFTWARE.
 CallbackListPtr       ReplyCallback;
 CallbackListPtr       FlushCallback;
 
+typedef struct _connectionInput {
+    struct _connectionInput *next;
+    char *buffer;               /* contains current client input */
+    char *bufptr;               /* pointer to current start of data */
+    int  bufcnt;                /* count of bytes in buffer */
+    int lenLastReq;
+    int size;
+    unsigned int ignoreBytes;   /* bytes to ignore before the next request */
+} ConnectionInput, *ConnectionInputPtr;
+
+typedef struct _connectionOutput {
+    struct _connectionOutput *next;
+    unsigned char *buf;
+    int size;
+    int count;
+} ConnectionOutput, *ConnectionOutputPtr;
+
 static ConnectionInputPtr AllocateInputBuffer(void);
 static ConnectionOutputPtr AllocateOutputBuffer(void);
 
@@ -112,6 +129,8 @@ static OsCommPtr AvailableInput = (OsCommPtr)NULL;
 				  ((xBigReq *)(req))->length)
 
 #define MAX_TIMES_PER         10
+#define BUFSIZE 4096
+#define BUFWATERMARK 8192
 
 /*
  *   A lot of the code in this file manipulates a ConnectionInputPtr:
@@ -889,7 +908,7 @@ FlushClient(ClientPtr who, OsCommPtr oc, const void *__extraBuf, int extraCount)
     long notWritten;
     long todo;
 
-    if (!oco)
+    if (!oco || !oco->count)
 	return 0;
     written = 0;
     padsize = padlength[extraCount & 3];
diff --git a/os/osdep.h b/os/osdep.h
index 71a7e44e3..c9add48ee 100644
--- a/os/osdep.h
+++ b/os/osdep.h
@@ -52,10 +52,6 @@ SOFTWARE.
 #ifndef _OSDEP_H_
 #define _OSDEP_H_ 1
 
-#define BOTIMEOUT 200 /* in milliseconds */
-#define BUFSIZE 4096
-#define BUFWATERMARK 8192
-
 #if defined(XDMCP) || defined(HASXDMAUTH)
 #include <X11/Xdmcp.h>
 #endif
@@ -112,22 +108,8 @@ typedef Bool (*AddAuthorFunc)(unsigned name_length, const char *name,
 			      unsigned data_length, char *data);
 #endif
 
-typedef struct _connectionInput {
-    struct _connectionInput *next;
-    char *buffer;               /* contains current client input */
-    char *bufptr;               /* pointer to current start of data */
-    int  bufcnt;                /* count of bytes in buffer */
-    int lenLastReq;
-    int size;
-    unsigned int ignoreBytes;   /* bytes to ignore before the next request */
-} ConnectionInput, *ConnectionInputPtr;
-
-typedef struct _connectionOutput {
-    struct _connectionOutput *next;
-    int size;
-    unsigned char *buf;
-    int count;
-} ConnectionOutput, *ConnectionOutputPtr;
+typedef struct _connectionInput *ConnectionInputPtr;
+typedef struct _connectionOutput *ConnectionOutputPtr;
 
 struct _osComm;
 
@@ -166,7 +148,6 @@ typedef struct _osComm {
     XID	auth_id;		/* authorization id */
     CARD32 conn_time;		/* timestamp if not established, else 0  */
     struct _XtransConnInfo *trans_conn; /* transport connection object */
-    Bool local_client;
 } OsCommRec, *OsCommPtr;
 
 extern int FlushClient(