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Annotation of researchv9/X11/src/X.V11R1/server/include/misc.h, revision 1.1

1.1     ! root        1: /***********************************************************
        !             2: Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
        !             3: and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
        !             4: 
        !             5:                         All Rights Reserved
        !             6: 
        !             7: Permission to use, copy, modify, and distribute this software and its 
        !             8: documentation for any purpose and without fee is hereby granted, 
        !             9: provided that the above copyright notice appear in all copies and that
        !            10: both that copyright notice and this permission notice appear in 
        !            11: supporting documentation, and that the names of Digital or MIT not be
        !            12: used in advertising or publicity pertaining to distribution of the
        !            13: software without specific, written prior permission.  
        !            14: 
        !            15: DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            16: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            17: DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            18: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            19: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            20: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            21: SOFTWARE.
        !            22: 
        !            23: ******************************************************************/
        !            24: /* $Header: misc.h,v 1.43 87/09/11 07:49:51 toddb Exp $ */
        !            25: #ifndef MISC_H
        !            26: #define MISC_H 1
        !            27: /*
        !            28:  *  X internal definitions 
        !            29:  *
        !            30:  */
        !            31: 
        !            32: 
        !            33: extern unsigned long globalSerialNumber;
        !            34: 
        !            35: #ifndef NULL
        !            36: #define NULL            0
        !            37: #endif
        !            38: 
        !            39: #define MAXSCREENS     3
        !            40: #define MAXCLIENTS     128
        !            41: #define MAXFORMATS     8
        !            42: #define MAXVISUALS_PER_SCREEN 50
        !            43: 
        !            44: typedef unsigned char *pointer;
        !            45: typedef int Bool;
        !            46: typedef long PIXEL;
        !            47: typedef int ATOM;
        !            48: 
        !            49: 
        !            50: #ifndef TRUE
        !            51: #define TRUE 1
        !            52: #define FALSE 0
        !            53: #endif
        !            54: #include "os.h"        /* for ALLOCATE_LOCAL and DEALLOCATE_LOCAL */
        !            55: 
        !            56: #define NullBox ((BoxPtr)0)
        !            57: #define MILLI_PER_MIN (1000 * 60)
        !            58: #define MILLI_PER_SECOND (1000)
        !            59: #define DEFAULT_SCREEN_SAVER_TIME (10 * MILLI_PER_MIN);
        !            60: 
        !            61:     /* this next is used with None and ParentRelative to tell
        !            62:        PaintWin() what to use to paint the background. Also used
        !            63:        in the macro IS_VALID_PIXMAP */
        !            64: 
        !            65: #define USE_BACKGROUND_PIXEL 3
        !            66: #define USE_BORDER_PIXEL 3
        !            67: 
        !            68: 
        !            69: /* byte swap a long literal */
        !            70: #define lswapl(x) ((((x) & 0xff) << 24) |\
        !            71:                   (((x) & 0xff00) << 8) |\
        !            72:                   (((x) & 0xff000) >> 8) |\
        !            73:                   (((x) >> 24) & 0xff))
        !            74: 
        !            75: /* byte swap a short literal */
        !            76: #define lswaps(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))
        !            77: 
        !            78: #define min(a, b) (((a) < (b)) ? (a) : (b))
        !            79: #define max(a, b) (((a) > (b)) ? (a) : (b))
        !            80: #define abs(a) ((a) > 0 ? (a) : -(a))
        !            81: #define fabs(a) ((a) > 0.0 ? (a) : -(a))       /* floating absolute value */
        !            82: #define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
        !            83: 
        !            84: #define MAXSHORT 32767
        !            85: #define MINSHORT -MAXSHORT 
        !            86: 
        !            87: 
        !            88: /* byte swap a long */
        !            89: #define swapl(x, n) n = ((char *) (x))[0];\
        !            90:                 ((char *) (x))[0] = ((char *) (x))[3];\
        !            91:                 ((char *) (x))[3] = n;\
        !            92:                 n = ((char *) (x))[1];\
        !            93:                 ((char *) (x))[1] = ((char *) (x))[2];\
        !            94:                 ((char *) (x))[2] = n;
        !            95: 
        !            96: /* byte swap a short */
        !            97: #define swaps(x, n) n = ((char *) (x))[0];\
        !            98:                 ((char *) (x))[0] = ((char *) (x))[1];\
        !            99:                 ((char *) (x))[1] = n
        !           100: 
        !           101: 
        !           102: 
        !           103: typedef struct _DDXPoint *DDXPointPtr;
        !           104: typedef struct _Box *BoxPtr;
        !           105: typedef struct _Rectangle *RectanglePtr;
        !           106: 
        !           107: #endif /* MISC_H */

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