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+/* $XFree86: xc/programs/Xserver/include/misc.h,v 3.28 2001/12/14 19:59:55 dawes Exp $ */
+/***********************************************************
+
+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.
+
+******************************************************************/
+/* $Xorg: misc.h,v 1.5 2001/02/09 02:05:15 xorgcvs Exp $ */
+#ifndef MISC_H
+#define MISC_H 1
+/*
+ * X internal definitions
+ *
+ */
+
+extern unsigned long globalSerialNumber;
+extern unsigned long serverGeneration;
+
+#include <X11/Xosdefs.h>
+#include <X11/Xfuncproto.h>
+#include <X11/Xmd.h>
+#include <X11/X.h>
+#include <X11/Xdefs.h>
+
+#ifndef IN_MODULE
+#ifndef NULL
+#include <stddef.h>
+#endif
+#endif
+
+#ifndef MAXSCREENS
+#define MAXSCREENS 16
+#endif
+#define MAXCLIENTS 256
+#define MAXDITS 1
+#define MAXEXTENSIONS 128
+#define MAXFORMATS 8
+#define MAXVISUALS_PER_SCREEN 50
+
+typedef unsigned long PIXEL;
+typedef unsigned long 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 */
+#ifndef IN_MODULE
+#include <X11/Xfuncs.h> /* for bcopy, bzero, and bcmp */
+#endif
+
+#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))
+#ifndef IN_MODULE
+/* abs() is a function, not a macro; include the file declaring
+ * it in case we haven't done that yet.
+ */
+#include <stdlib.h>
+#endif /* IN_MODULE */
+#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))
+
+#ifndef IN_MODULE
+/* 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>
+#endif
+#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
+
+/* 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 void SwapLongs(
+ CARD32 *list,
+ unsigned long count);
+
+extern void SwapShorts(
+ short *list,
+ unsigned long count);
+
+extern void MakePredeclaredAtoms(void);
+
+extern int Ones(
+ unsigned long /*mask*/);
+
+typedef struct _xPoint *DDXPointPtr;
+typedef struct _Box *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
+
+#endif /* MISC_H */