303 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			303 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
| /***********************************************************
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| 
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| Copyright 1987, 1998  The Open Group
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| 
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| Permission to use, copy, modify, distribute, and sell this software and its
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| documentation for any purpose is hereby granted without fee, provided that
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| the above copyright notice appear in all copies and that both that
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| copyright notice and this permission notice appear in supporting
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| documentation.
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| 
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| The above copyright notice and this permission notice shall be included in
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| all copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 
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| Except as contained in this notice, the name of The Open Group shall not be
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| used in advertising or otherwise to promote the sale, use or other dealings
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| in this Software without prior written authorization from The Open Group.
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| 
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| 
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| Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 
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|                         All Rights Reserved
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| 
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| Permission to use, copy, modify, and distribute this software and its 
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| documentation for any purpose and without fee is hereby granted, 
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| provided that the above copyright notice appear in all copies and that
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| both that copyright notice and this permission notice appear in 
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| supporting documentation, and that the name of Digital not be
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| used in advertising or publicity pertaining to distribution of the
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| software without specific, written prior permission.  
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| 
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| DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| SOFTWARE.
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| 
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| Copyright 1992, 1993 Data General Corporation;
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| Copyright 1992, 1993 OMRON Corporation  
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| 
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| Permission to use, copy, modify, distribute, and sell this software and its
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| documentation for any purpose is hereby granted without fee, provided that the
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| above copyright notice appear in all copies and that both that copyright
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| notice and this permission notice appear in supporting documentation, and that
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| neither the name OMRON or DATA GENERAL be used in advertising or publicity
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| pertaining to distribution of the software without specific, written prior
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| permission of the party whose name is to be used.  Neither OMRON or 
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| DATA GENERAL make any representation about the suitability of this software
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| for any purpose.  It is provided "as is" without express or implied warranty.  
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| 
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| OMRON AND DATA GENERAL EACH DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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| SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
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| IN NO EVENT SHALL OMRON OR DATA GENERAL BE LIABLE FOR ANY SPECIAL, INDIRECT
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| OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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| DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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| TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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| OF THIS SOFTWARE.
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| 
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| ******************************************************************/
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| #ifndef MISC_H
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| #define MISC_H 1
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| /*
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|  *  X internal definitions 
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|  *
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|  */
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| 
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| #include <X11/Xosdefs.h>
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| #include <X11/Xfuncproto.h>
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| #include <X11/Xmd.h>
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| #include <X11/X.h>
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| #include <X11/Xdefs.h>
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| 
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| #include <stddef.h>
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| #include <stdint.h>
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| 
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| #ifndef MAXSCREENS
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| #define MAXSCREENS	16
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| #endif
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| #define MAXCLIENTS	256
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| #define MAXEXTENSIONS   128
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| #define MAXFORMATS	8
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| #define MAXDEVICES	40 /* input devices */
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| 
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| #define EXTENSION_EVENT_BASE 64
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| #define EXTENSION_BASE 128
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| 
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| typedef uint32_t ATOM;
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| 
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| #ifndef TRUE
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| #define TRUE 1
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| #define FALSE 0
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| #endif
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| 
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| #ifndef _XTYPEDEF_CALLBACKLISTPTR
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| typedef struct _CallbackList *CallbackListPtr; /* also in dix.h */
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| #define _XTYPEDEF_CALLBACKLISTPTR
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| #endif
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| 
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| typedef struct _xReq *xReqPtr;
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| 
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| #include "os.h" 	/* for ALLOCATE_LOCAL and DEALLOCATE_LOCAL */
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| #include <X11/Xfuncs.h> /* for bcopy, bzero, and bcmp */
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| 
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| #define NullBox ((BoxPtr)0)
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| #define MILLI_PER_MIN (1000 * 60)
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| #define MILLI_PER_SECOND (1000)
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| 
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|     /* this next is used with None and ParentRelative to tell
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|        PaintWin() what to use to paint the background. Also used
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|        in the macro IS_VALID_PIXMAP */
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| 
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| #define USE_BACKGROUND_PIXEL 3
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| #define USE_BORDER_PIXEL 3
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| 
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| 
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| /* byte swap a 32-bit literal */
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| #define lswapl(x) ((((x) & 0xff) << 24) |\
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| 		   (((x) & 0xff00) << 8) |\
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| 		   (((x) & 0xff0000) >> 8) |\
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| 		   (((x) >> 24) & 0xff))
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| 
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| /* byte swap a short literal */
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| #define lswaps(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))
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| 
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| #undef min
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| #undef max
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| 
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| #define min(a, b) (((a) < (b)) ? (a) : (b))
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| #define max(a, b) (((a) > (b)) ? (a) : (b))
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| /* abs() is a function, not a macro; include the file declaring
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|  * it in case we haven't done that yet.
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|  */
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| #include <stdlib.h>
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| #ifndef Fabs
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| #define Fabs(a) ((a) > 0.0 ? (a) : -(a))	/* floating absolute value */
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| #endif
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| #define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
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| /* this assumes b > 0 */
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| #define modulus(a, b, d)    if (((d) = (a) % (b)) < 0) (d) += (b)
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| /*
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|  * return the least significant bit in x which is set
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|  *
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|  * This works on 1's complement and 2's complement machines.
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|  * If you care about the extra instruction on 2's complement
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|  * machines, change to ((x) & (-(x)))
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|  */
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| #define lowbit(x) ((x) & (~(x) + 1))
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| 
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| /* XXX Not for modules */
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| #include <limits.h>
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| #if !defined(MAXSHORT) || !defined(MINSHORT) || \
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|     !defined(MAXINT) || !defined(MININT)
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| /*
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|  * Some implementations #define these through <math.h>, so preclude
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|  * #include'ing it later.
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|  */
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| 
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| #include <math.h>
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| #undef MAXSHORT
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| #define MAXSHORT SHRT_MAX
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| #undef MINSHORT
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| #define MINSHORT SHRT_MIN
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| #undef MAXINT
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| #define MAXINT INT_MAX
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| #undef MININT
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| #define MININT INT_MIN
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| 
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| #include <assert.h>
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| #include <ctype.h>
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| #include <stdio.h>     /* for fopen, etc... */
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| 
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| #endif
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| 
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| #ifndef PATH_MAX
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| #include <sys/param.h>
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| #ifndef PATH_MAX
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| #ifdef MAXPATHLEN
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| #define PATH_MAX MAXPATHLEN
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| #else
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| #define PATH_MAX 1024
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| #endif
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| #endif
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| #endif
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| 
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| /**
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|  * Calculate the number of bytes needed to hold bits.
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|  * @param bits The minimum number of bits needed.
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|  * @return The number of bytes needed to hold bits.
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|  */
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| static inline int
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| bits_to_bytes(const int bits) {
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|     return ((bits + 7) >> 3);
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| }
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| /**
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|  * Calculate the number of 4-byte units needed to hold the given number of
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|  * bytes.
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|  * @param bytes The minimum number of bytes needed.
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|  * @return The number of 4-byte units needed to hold bytes.
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|  */
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| static inline int
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| bytes_to_int32(const int bytes) {
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|     return (((bytes) + 3) >> 2);
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| }
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| 
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| /**
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|  * Calculate the number of bytes (in multiples of 4) needed to hold bytes.
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|  * @param bytes The minimum number of bytes needed.
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|  * @return The closest multiple of 4 that is equal or higher than bytes.
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|  */
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| static inline int
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| pad_to_int32(const int bytes) {
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|     return (((bytes) + 3) & ~3);
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| }
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| 
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| extern char**
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| xstrtokenize(const char *str, const char* separators);
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| 
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| /* some macros to help swap requests, replies, and events */
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| 
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| #define LengthRestB(stuff) \
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|     ((client->req_len << 2) - sizeof(*stuff))
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| 
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| #define LengthRestS(stuff) \
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|     ((client->req_len << 1) - (sizeof(*stuff) >> 1))
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| 
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| #define LengthRestL(stuff) \
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|     (client->req_len - (sizeof(*stuff) >> 2))
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| 
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| #define SwapRestS(stuff) \
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|     SwapShorts((short *)(stuff + 1), LengthRestS(stuff))
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| 
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| #define SwapRestL(stuff) \
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|     SwapLongs((CARD32 *)(stuff + 1), LengthRestL(stuff))
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| 
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| /* byte swap a 32-bit value */
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| #define swapl(x, n) { \
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| 		 n = ((char *) (x))[0];\
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| 		 ((char *) (x))[0] = ((char *) (x))[3];\
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| 		 ((char *) (x))[3] = n;\
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| 		 n = ((char *) (x))[1];\
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| 		 ((char *) (x))[1] = ((char *) (x))[2];\
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| 		 ((char *) (x))[2] = n; }
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| 
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| /* byte swap a short */
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| #define swaps(x, n) { \
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| 		 n = ((char *) (x))[0];\
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| 		 ((char *) (x))[0] = ((char *) (x))[1];\
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| 		 ((char *) (x))[1] = n; }
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| 
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| /* copy 32-bit value from src to dst byteswapping on the way */
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| #define cpswapl(src, dst) { \
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|                  ((char *)&(dst))[0] = ((char *) &(src))[3];\
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|                  ((char *)&(dst))[1] = ((char *) &(src))[2];\
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|                  ((char *)&(dst))[2] = ((char *) &(src))[1];\
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|                  ((char *)&(dst))[3] = ((char *) &(src))[0]; }
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| 
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| /* copy short from src to dst byteswapping on the way */
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| #define cpswaps(src, dst) { \
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| 		 ((char *) &(dst))[0] = ((char *) &(src))[1];\
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| 		 ((char *) &(dst))[1] = ((char *) &(src))[0]; }
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| 
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| extern _X_EXPORT void SwapLongs(
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|     CARD32 *list,
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|     unsigned long count);
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| 
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| extern _X_EXPORT void SwapShorts(
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|     short *list,
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|     unsigned long count);
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| 
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| extern _X_EXPORT void MakePredeclaredAtoms(void);
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| 
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| extern _X_EXPORT int Ones(
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|     unsigned long /*mask*/);
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| 
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| typedef struct _xPoint *DDXPointPtr;
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| typedef struct pixman_box16 *BoxPtr;
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| typedef struct _xEvent *xEventPtr;
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| typedef struct _xRectangle *xRectanglePtr;
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| typedef struct _GrabRec *GrabPtr;
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| 
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| /*  typedefs from other places - duplicated here to minimize the amount
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|  *  of unnecessary junk that one would normally have to include to get
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|  *  these symbols defined
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|  */
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| 
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| #ifndef _XTYPEDEF_CHARINFOPTR
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| typedef struct _CharInfo *CharInfoPtr; /* also in fonts/include/font.h */
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| #define _XTYPEDEF_CHARINFOPTR
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| #endif
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| 
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| extern _X_EXPORT unsigned long globalSerialNumber;
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| extern _X_EXPORT unsigned long serverGeneration;
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| 
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| #endif /* MISC_H */
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