xserver xkeyboar-config mesa git update 16 May 2011

6 files changed, 403 insertions, 369 deletions

diff --git a/xorg-server/include/dix.h b/xorg-server/include/dix.h
index c201e3ac1..9a111e8a7 100644
--- a/xorg-server/include/dix.h
+++ b/xorg-server/include/dix.h
@@ -375,7 +375,7 @@ extern void ReleaseActiveGrabs(
 extern GrabPtr CheckPassiveGrabsOnWindow(
     WindowPtr /* pWin */,
     DeviceIntPtr /* device */,
-    DeviceEvent * /* event */,
+    InternalEvent * /* event */,
     BOOL /* checkCore */,
     BOOL /* activate */);
 
@@ -415,7 +415,7 @@ extern void DeliverFocusedEvent(
     InternalEvent* /* event */,
     WindowPtr /* window */);
 
-extern void DeliverGrabbedEvent(
+extern int DeliverGrabbedEvent(
     InternalEvent* /* event */,
     DeviceIntPtr /* thisDev */,
     Bool /* deactivateGrab */);
diff --git a/xorg-server/include/eventstr.h b/xorg-server/include/eventstr.h
index 673207ce3..049688ca0 100644
--- a/xorg-server/include/eventstr.h
+++ b/xorg-server/include/eventstr.h
@@ -68,10 +68,6 @@ enum EventType {
     ET_Internal = 0xFF /* First byte */
 };
 
-#define CHECKEVENT(ev) if (ev && ((InternalEvent*)(ev))->any.header != 0xFF) \
-                          FatalError("Wrong event type %d.\n", \
-                                     ((InternalEvent*)(ev))->any.header);
-
 /**
  * Used for ALL input device events internal in the server until
  * copied into the matching protocol event.
diff --git a/xorg-server/include/input.h b/xorg-server/include/input.h
index 86078daee..4de4ff52c 100644
--- a/xorg-server/include/input.h
+++ b/xorg-server/include/input.h
@@ -109,19 +109,8 @@ typedef union _GrabMask GrabMask;
 
 typedef struct _ValuatorMask ValuatorMask;
 
-typedef struct _EventList {
-    xEvent* event;
-    int evlen; /* length of allocated memory for event in bytes.  This is not
-                  the actual length of the event. The event's actual length is
-                  32 for standard events or 32 +
-                  ((xGenericEvent*)event)->length * 4 for GenericEvents.
-                  For events in the EQ, the length is
-                  ((InternalEvent*)event)->u.any.length */
-} EventList, *EventListPtr;
-
 /* The DIX stores incoming input events in this list */
-extern EventListPtr InputEventList;
-extern int InputEventListLen;
+extern InternalEvent* InputEventList;
 
 typedef int (*DeviceProc)(
     DeviceIntPtr /*device*/,
@@ -439,22 +428,28 @@ extern _X_EXPORT void CloseInput(void);
 
 extern _X_EXPORT int GetMaximumEventsNum(void);
 
-extern _X_EXPORT int GetEventList(EventListPtr* list);
-extern _X_EXPORT EventListPtr InitEventList(int num_events);
-extern _X_EXPORT void FreeEventList(EventListPtr list, int num_events);
+extern _X_EXPORT InternalEvent *InitEventList(int num_events);
+extern _X_EXPORT void FreeEventList(InternalEvent *list, int num_events);
 
-extern void CreateClassesChangedEvent(EventListPtr event,
+extern void CreateClassesChangedEvent(InternalEvent *event,
                                       DeviceIntPtr master,
                                       DeviceIntPtr slave,
                                       int type);
-extern EventListPtr UpdateFromMaster(
-    EventListPtr events,
+extern InternalEvent * UpdateFromMaster(
+    InternalEvent *events,
     DeviceIntPtr pDev,
     int type,
     int *num_events);
 
 extern _X_EXPORT int GetPointerEvents(
-    EventListPtr events,
+    InternalEvent *events,
+    DeviceIntPtr pDev,
+    int type,
+    int buttons,
+    int flags,
+    const ValuatorMask *mask);
+
+extern _X_EXPORT void QueuePointerEvents(
     DeviceIntPtr pDev,
     int type,
     int buttons,
@@ -462,14 +457,25 @@ extern _X_EXPORT int GetPointerEvents(
     const ValuatorMask *mask);
 
 extern _X_EXPORT int GetKeyboardEvents(
-    EventListPtr events,
+    InternalEvent *events,
+    DeviceIntPtr pDev,
+    int type,
+    int key_code,
+    const ValuatorMask *mask);
+
+extern _X_EXPORT void QueueKeyboardEvents(
     DeviceIntPtr pDev,
     int type,
     int key_code,
     const ValuatorMask *mask);
 
 extern int GetProximityEvents(
-    EventListPtr events,
+    InternalEvent *events,
+    DeviceIntPtr pDev,
+    int type,
+    const ValuatorMask *mask);
+
+extern void QueueProximityEvents(
     DeviceIntPtr pDev,
     int type,
     const ValuatorMask *mask);
@@ -495,6 +501,8 @@ extern _X_EXPORT int GetMotionHistory(
     ScreenPtr pScreen,
     BOOL core);
 
+extern void ReleaseButtonsAndKeys(DeviceIntPtr dev);
+
 extern int AttachDevice(ClientPtr client,
                         DeviceIntPtr slave,
                         DeviceIntPtr master);
diff --git a/xorg-server/include/inputstr.h b/xorg-server/include/inputstr.h
index bd7c78dec..bc0accc87 100644
--- a/xorg-server/include/inputstr.h
+++ b/xorg-server/include/inputstr.h
@@ -591,4 +591,14 @@ typedef struct _EventSyncInfo {
 
 extern EventSyncInfoRec syncEvents;
 
+/**
+ * Given a sprite, returns the window at the bottom of the trace (i.e. the
+ * furthest window from the root).
+ */
+static inline WindowPtr DeepestSpriteWin(SpritePtr sprite)
+{
+    assert(sprite->spriteTraceGood > 0);
+    return sprite->spriteTrace[sprite->spriteTraceGood - 1];
+}
+
 #endif /* INPUTSTRUCT_H */
diff --git a/xorg-server/include/inpututils.h b/xorg-server/include/inpututils.h
index af07afeb0..92a754327 100644
--- a/xorg-server/include/inpututils.h
+++ b/xorg-server/include/inpututils.h
@@ -1,40 +1,42 @@
-/*

- * Copyright © 2010 Red Hat, Inc.

- *

- * 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, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice (including the next

- * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.

- *

- */

-

-#ifdef HAVE_DIX_CONFIG_H

-#include "dix-config.h"

-#endif

-

-#ifndef INPUTUTILS_H

-#define INPUTUTILS_H

-

-#include "input.h"

-

-struct _ValuatorMask {

-    int8_t      last_bit; /* highest bit set in mask */

-    uint8_t     mask[(MAX_VALUATORS + 7)/8];

-    int         valuators[MAX_VALUATORS]; /* valuator data */

-};

-

-#endif

+/*
+ * Copyright © 2010 Red Hat, Inc.
+ *
+ * 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, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include "dix-config.h"
+#endif
+
+#ifndef INPUTUTILS_H
+#define INPUTUTILS_H
+
+#include "input.h"
+
+struct _ValuatorMask {
+    int8_t      last_bit; /* highest bit set in mask */
+    uint8_t     mask[(MAX_VALUATORS + 7)/8];
+    int         valuators[MAX_VALUATORS]; /* valuator data */
+};
+
+extern void verify_internal_event(const InternalEvent *ev);
+
+#endif
diff --git a/xorg-server/include/misc.h b/xorg-server/include/misc.h
index 42f225b17..bdcc8cc1e 100644
--- a/xorg-server/include/misc.h
+++ b/xorg-server/include/misc.h
@@ -1,302 +1,320 @@
-/***********************************************************

-

-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.

-

-Copyright 1992, 1993 Data General Corporation;

-Copyright 1992, 1993 OMRON Corporation  

-

-Permission to use, copy, modify, distribute, and sell this software and its

-documentation for any purpose is hereby granted without fee, provided that the

-above copyright notice appear in all copies and that both that copyright

-notice and this permission notice appear in supporting documentation, and that

-neither the name OMRON or DATA GENERAL be used in advertising or publicity

-pertaining to distribution of the software without specific, written prior

-permission of the party whose name is to be used.  Neither OMRON or 

-DATA GENERAL make any representation about the suitability of this software

-for any purpose.  It is provided "as is" without express or implied warranty.  

-

-OMRON AND DATA GENERAL EACH DISCLAIM ALL WARRANTIES WITH REGARD TO THIS

-SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,

-IN NO EVENT SHALL OMRON OR DATA GENERAL 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.

-

-******************************************************************/

-#ifndef MISC_H

-#define MISC_H 1

-/*

- *  X internal definitions 

- *

- */

-

-#include <X11/Xosdefs.h>

-#include <X11/Xfuncproto.h>

-#include <X11/Xmd.h>

-#include <X11/X.h>

-#include <X11/Xdefs.h>

-

-#include <stddef.h>

-#include <stdint.h>

-

-#ifndef MAXSCREENS

-#define MAXSCREENS	16

-#endif

-#define MAXCLIENTS	256

-#define MAXEXTENSIONS   128

-#define MAXFORMATS	8

-#define MAXDEVICES	40 /* input devices */

-

-#define EXTENSION_EVENT_BASE 64

-#define EXTENSION_BASE 128

-

-typedef uint32_t ATOM;

-

-#ifndef TRUE

-#define TRUE 1

-#define FALSE 0

-#endif

-

-#ifndef _XTYPEDEF_CALLBACKLISTPTR

-typedef struct _CallbackList *CallbackListPtr; /* also in dix.h */

-#define _XTYPEDEF_CALLBACKLISTPTR

-#endif

-

-typedef struct _xReq *xReqPtr;

-

-#include "os.h" 	/* for ALLOCATE_LOCAL and DEALLOCATE_LOCAL */

-#include <X11/Xfuncs.h> /* for bcopy, bzero, and bcmp */

-

-#define NullBox ((BoxPtr)0)

-#define MILLI_PER_MIN (1000 * 60)

-#define MILLI_PER_SECOND (1000)

-

-    /* this next is used with None and ParentRelative to tell

-       PaintWin() what to use to paint the background. Also used

-       in the macro IS_VALID_PIXMAP */

-

-#define USE_BACKGROUND_PIXEL 3

-#define USE_BORDER_PIXEL 3

-

-

-/* byte swap a 32-bit literal */

-#define lswapl(x) ((((x) & 0xff) << 24) |\

-		   (((x) & 0xff00) << 8) |\

-		   (((x) & 0xff0000) >> 8) |\

-		   (((x) >> 24) & 0xff))

-

-/* byte swap a short literal */

-#define lswaps(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))

-

-#undef min

-#undef max

-

-#define min(a, b) (((a) < (b)) ? (a) : (b))

-#define max(a, b) (((a) > (b)) ? (a) : (b))

-/* abs() is a function, not a macro; include the file declaring

- * it in case we haven't done that yet.

- */

-#include <stdlib.h>

-#ifndef Fabs

-#define Fabs(a) ((a) > 0.0 ? (a) : -(a))	/* floating absolute value */

-#endif

-#define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))

-/* this assumes b > 0 */

-#define modulus(a, b, d)    if (((d) = (a) % (b)) < 0) (d) += (b)

-/*

- * return the least significant bit in x which is set

- *

- * This works on 1's complement and 2's complement machines.

- * If you care about the extra instruction on 2's complement

- * machines, change to ((x) & (-(x)))

- */

-#define lowbit(x) ((x) & (~(x) + 1))

-

-/* XXX Not for modules */

-#include <limits.h>

-#if !defined(MAXSHORT) || !defined(MINSHORT) || \

-    !defined(MAXINT) || !defined(MININT)

-/*

- * Some implementations #define these through <math.h>, so preclude

- * #include'ing it later.

- */

-

-#include <math.h>

-#undef MAXSHORT

-#define MAXSHORT SHRT_MAX

-#undef MINSHORT

-#define MINSHORT SHRT_MIN

-#undef MAXINT

-#define MAXINT INT_MAX

-#undef MININT

-#define MININT INT_MIN

-

-#include <assert.h>

-#include <ctype.h>

-#include <stdio.h>     /* for fopen, etc... */

-

-#endif

-

-#ifndef PATH_MAX

-#include <sys/param.h>

-#ifndef PATH_MAX

-#ifdef MAXPATHLEN

-#define PATH_MAX MAXPATHLEN

-#else

-#define PATH_MAX 1024

-#endif

-#endif

-#endif

-

-/**

- * Calculate the number of bytes needed to hold bits.

- * @param bits The minimum number of bits needed.

- * @return The number of bytes needed to hold bits.

- */

-static inline int

-bits_to_bytes(const int bits) {

-    return ((bits + 7) >> 3);

-}

-/**

- * Calculate the number of 4-byte units needed to hold the given number of

- * bytes.

- * @param bytes The minimum number of bytes needed.

- * @return The number of 4-byte units needed to hold bytes.

- */

-static inline int

-bytes_to_int32(const int bytes) {

-    return (((bytes) + 3) >> 2);

-}

-

-/**

- * Calculate the number of bytes (in multiples of 4) needed to hold bytes.

- * @param bytes The minimum number of bytes needed.

- * @return The closest multiple of 4 that is equal or higher than bytes.

- */

-static inline int

-pad_to_int32(const int bytes) {

-    return (((bytes) + 3) & ~3);

-}

-

-extern char**

-xstrtokenize(const char *str, const char* separators);

-

-/* some macros to help swap requests, replies, and events */

-

-#define LengthRestB(stuff) \

-    ((client->req_len << 2) - sizeof(*stuff))

-

-#define LengthRestS(stuff) \

-    ((client->req_len << 1) - (sizeof(*stuff) >> 1))

-

-#define LengthRestL(stuff) \

-    (client->req_len - (sizeof(*stuff) >> 2))

-

-#define SwapRestS(stuff) \

-    SwapShorts((short *)(stuff + 1), LengthRestS(stuff))

-

-#define SwapRestL(stuff) \

-    SwapLongs((CARD32 *)(stuff + 1), LengthRestL(stuff))

-

-/* byte swap a 32-bit value */

-#define swapl(x, n) { \

-		 n = ((char *) (x))[0];\

-		 ((char *) (x))[0] = ((char *) (x))[3];\

-		 ((char *) (x))[3] = n;\

-		 n = ((char *) (x))[1];\

-		 ((char *) (x))[1] = ((char *) (x))[2];\

-		 ((char *) (x))[2] = n; }

-

-/* byte swap a short */

-#define swaps(x, n) { \

-		 n = ((char *) (x))[0];\

-		 ((char *) (x))[0] = ((char *) (x))[1];\

-		 ((char *) (x))[1] = n; }

-

-/* copy 32-bit value from src to dst byteswapping on the way */

-#define cpswapl(src, dst) { \

-                 ((char *)&(dst))[0] = ((char *) &(src))[3];\

-                 ((char *)&(dst))[1] = ((char *) &(src))[2];\

-                 ((char *)&(dst))[2] = ((char *) &(src))[1];\

-                 ((char *)&(dst))[3] = ((char *) &(src))[0]; }

-

-/* copy short from src to dst byteswapping on the way */

-#define cpswaps(src, dst) { \

-		 ((char *) &(dst))[0] = ((char *) &(src))[1];\

-		 ((char *) &(dst))[1] = ((char *) &(src))[0]; }

-

-extern _X_EXPORT void SwapLongs(

-    CARD32 *list,

-    unsigned long count);

-

-extern _X_EXPORT void SwapShorts(

-    short *list,

-    unsigned long count);

-

-extern _X_EXPORT void MakePredeclaredAtoms(void);

-

-extern _X_EXPORT int Ones(

-    unsigned long /*mask*/);

-

-typedef struct _xPoint *DDXPointPtr;

-typedef struct pixman_box16 *BoxPtr;

-typedef struct _xEvent *xEventPtr;

-typedef struct _xRectangle *xRectanglePtr;

-typedef struct _GrabRec *GrabPtr;

-

-/*  typedefs from other places - duplicated here to minimize the amount

- *  of unnecessary junk that one would normally have to include to get

- *  these symbols defined

- */

-

-#ifndef _XTYPEDEF_CHARINFOPTR

-typedef struct _CharInfo *CharInfoPtr; /* also in fonts/include/font.h */

-#define _XTYPEDEF_CHARINFOPTR

-#endif

-

-extern _X_EXPORT unsigned long globalSerialNumber;

-extern _X_EXPORT unsigned long serverGeneration;

-

-#endif /* MISC_H */

+/***********************************************************
+
+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.
+
+Copyright 1992, 1993 Data General Corporation;
+Copyright 1992, 1993 OMRON Corporation  
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that the
+above copyright notice appear in all copies and that both that copyright
+notice and this permission notice appear in supporting documentation, and that
+neither the name OMRON or DATA GENERAL be used in advertising or publicity
+pertaining to distribution of the software without specific, written prior
+permission of the party whose name is to be used.  Neither OMRON or 
+DATA GENERAL make any representation about the suitability of this software
+for any purpose.  It is provided "as is" without express or implied warranty.  
+
+OMRON AND DATA GENERAL EACH DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
+IN NO EVENT SHALL OMRON OR DATA GENERAL 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.
+
+******************************************************************/
+#ifndef MISC_H
+#define MISC_H 1
+/*
+ *  X internal definitions 
+ *
+ */
+
+#include <X11/Xosdefs.h>
+#include <X11/Xfuncproto.h>
+#include <X11/Xmd.h>
+#include <X11/X.h>
+#include <X11/Xdefs.h>
+
+#include <stddef.h>
+#include <stdint.h>
+
+#ifndef MAXSCREENS
+#define MAXSCREENS	16
+#endif
+#define MAXCLIENTS	256
+#define MAXEXTENSIONS   128
+#define MAXFORMATS	8
+#define MAXDEVICES	40 /* input devices */
+
+#define EXTENSION_EVENT_BASE 64
+#define EXTENSION_BASE 128
+
+typedef uint32_t ATOM;
+
+#ifndef TRUE
+#define TRUE 1
+#define FALSE 0
+#endif
+
+#ifndef _XTYPEDEF_CALLBACKLISTPTR
+typedef struct _CallbackList *CallbackListPtr; /* also in dix.h */
+#define _XTYPEDEF_CALLBACKLISTPTR
+#endif
+
+typedef struct _xReq *xReqPtr;
+
+#include "os.h" 	/* for ALLOCATE_LOCAL and DEALLOCATE_LOCAL */
+#include <X11/Xfuncs.h> /* for bcopy, bzero, and bcmp */
+
+#define NullBox ((BoxPtr)0)
+#define MILLI_PER_MIN (1000 * 60)
+#define MILLI_PER_SECOND (1000)
+
+    /* this next is used with None and ParentRelative to tell
+       PaintWin() what to use to paint the background. Also used
+       in the macro IS_VALID_PIXMAP */
+
+#define USE_BACKGROUND_PIXEL 3
+#define USE_BORDER_PIXEL 3
+
+
+/* byte swap a 32-bit literal */
+#define lswapl(x) ((((x) & 0xff) << 24) |\
+		   (((x) & 0xff00) << 8) |\
+		   (((x) & 0xff0000) >> 8) |\
+		   (((x) >> 24) & 0xff))
+
+/* byte swap a short literal */
+#define lswaps(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))
+
+#undef min
+#undef max
+
+#define min(a, b) (((a) < (b)) ? (a) : (b))
+#define max(a, b) (((a) > (b)) ? (a) : (b))
+/* abs() is a function, not a macro; include the file declaring
+ * it in case we haven't done that yet.
+ */
+#include <stdlib.h>
+#ifndef Fabs
+#define Fabs(a) ((a) > 0.0 ? (a) : -(a))	/* floating absolute value */
+#endif
+#define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
+/* this assumes b > 0 */
+#define modulus(a, b, d)    if (((d) = (a) % (b)) < 0) (d) += (b)
+/*
+ * return the least significant bit in x which is set
+ *
+ * This works on 1's complement and 2's complement machines.
+ * If you care about the extra instruction on 2's complement
+ * machines, change to ((x) & (-(x)))
+ */
+#define lowbit(x) ((x) & (~(x) + 1))
+
+/* XXX Not for modules */
+#include <limits.h>
+#if !defined(MAXSHORT) || !defined(MINSHORT) || \
+    !defined(MAXINT) || !defined(MININT)
+/*
+ * Some implementations #define these through <math.h>, so preclude
+ * #include'ing it later.
+ */
+
+#include <math.h>
+#undef MAXSHORT
+#define MAXSHORT SHRT_MAX
+#undef MINSHORT
+#define MINSHORT SHRT_MIN
+#undef MAXINT
+#define MAXINT INT_MAX
+#undef MININT
+#define MININT INT_MIN
+
+#include <assert.h>
+#include <ctype.h>
+#include <stdio.h>     /* for fopen, etc... */
+
+#endif
+
+#ifndef PATH_MAX
+#include <sys/param.h>
+#ifndef PATH_MAX
+#ifdef MAXPATHLEN
+#define PATH_MAX MAXPATHLEN
+#else
+#define PATH_MAX 1024
+#endif
+#endif
+#endif
+
+/**
+ * Calculate the number of bytes needed to hold bits.
+ * @param bits The minimum number of bits needed.
+ * @return The number of bytes needed to hold bits.
+ */
+static inline int
+bits_to_bytes(const int bits) {
+    return ((bits + 7) >> 3);
+}
+/**
+ * Calculate the number of 4-byte units needed to hold the given number of
+ * bytes.
+ * @param bytes The minimum number of bytes needed.
+ * @return The number of 4-byte units needed to hold bytes.
+ */
+static inline int
+bytes_to_int32(const int bytes) {
+    return (((bytes) + 3) >> 2);
+}
+
+/**
+ * Calculate the number of bytes (in multiples of 4) needed to hold bytes.
+ * @param bytes The minimum number of bytes needed.
+ * @return The closest multiple of 4 that is equal or higher than bytes.
+ */
+static inline int
+pad_to_int32(const int bytes) {
+    return (((bytes) + 3) & ~3);
+}
+
+extern char**
+xstrtokenize(const char *str, const char* separators);
+
+/**
+ * Compare the two version numbers comprising of major.minor.
+ *
+ * @return A value less than 0 if a is less than b, 0 if a is equal to b,
+ * or a value greater than 0
+ */
+static inline int
+version_compare(uint16_t a_major, uint16_t a_minor,
+                uint16_t b_major, uint16_t b_minor)
+{
+    int a, b;
+
+    a = a_major << 16 | a_minor;
+    b = b_major << 16 | b_minor;
+
+    return (a - b);
+}
+
+/* some macros to help swap requests, replies, and events */
+
+#define LengthRestB(stuff) \
+    ((client->req_len << 2) - sizeof(*stuff))
+
+#define LengthRestS(stuff) \
+    ((client->req_len << 1) - (sizeof(*stuff) >> 1))
+
+#define LengthRestL(stuff) \
+    (client->req_len - (sizeof(*stuff) >> 2))
+
+#define SwapRestS(stuff) \
+    SwapShorts((short *)(stuff + 1), LengthRestS(stuff))
+
+#define SwapRestL(stuff) \
+    SwapLongs((CARD32 *)(stuff + 1), LengthRestL(stuff))
+
+/* byte swap a 32-bit value */
+#define swapl(x, n) { \
+		 n = ((char *) (x))[0];\
+		 ((char *) (x))[0] = ((char *) (x))[3];\
+		 ((char *) (x))[3] = n;\
+		 n = ((char *) (x))[1];\
+		 ((char *) (x))[1] = ((char *) (x))[2];\
+		 ((char *) (x))[2] = n; }
+
+/* byte swap a short */
+#define swaps(x, n) { \
+		 n = ((char *) (x))[0];\
+		 ((char *) (x))[0] = ((char *) (x))[1];\
+		 ((char *) (x))[1] = n; }
+
+/* copy 32-bit value from src to dst byteswapping on the way */
+#define cpswapl(src, dst) { \
+                 ((char *)&(dst))[0] = ((char *) &(src))[3];\
+                 ((char *)&(dst))[1] = ((char *) &(src))[2];\
+                 ((char *)&(dst))[2] = ((char *) &(src))[1];\
+                 ((char *)&(dst))[3] = ((char *) &(src))[0]; }
+
+/* copy short from src to dst byteswapping on the way */
+#define cpswaps(src, dst) { \
+		 ((char *) &(dst))[0] = ((char *) &(src))[1];\
+		 ((char *) &(dst))[1] = ((char *) &(src))[0]; }
+
+extern _X_EXPORT void SwapLongs(
+    CARD32 *list,
+    unsigned long count);
+
+extern _X_EXPORT void SwapShorts(
+    short *list,
+    unsigned long count);
+
+extern _X_EXPORT void MakePredeclaredAtoms(void);
+
+extern _X_EXPORT int Ones(
+    unsigned long /*mask*/);
+
+typedef struct _xPoint *DDXPointPtr;
+typedef struct pixman_box16 *BoxPtr;
+typedef struct _xEvent *xEventPtr;
+typedef struct _xRectangle *xRectanglePtr;
+typedef struct _GrabRec *GrabPtr;
+
+/*  typedefs from other places - duplicated here to minimize the amount
+ *  of unnecessary junk that one would normally have to include to get
+ *  these symbols defined
+ */
+
+#ifndef _XTYPEDEF_CHARINFOPTR
+typedef struct _CharInfo *CharInfoPtr; /* also in fonts/include/font.h */
+#define _XTYPEDEF_CHARINFOPTR
+#endif
+
+extern _X_EXPORT unsigned long globalSerialNumber;
+extern _X_EXPORT unsigned long serverGeneration;
+
+#endif /* MISC_H */