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-rw-r--r--nx-X11/include/extensions/xtrapbits.h83
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diff --git a/nx-X11/include/extensions/xtrapbits.h b/nx-X11/include/extensions/xtrapbits.h
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--- a/nx-X11/include/extensions/xtrapbits.h
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-/* $XFree86$ */
-/*
- * This include file is designed to be a portable way for systems to define
- * bit field manipulation of arrays of bits.
- */
-#ifndef __XTRAPBITS__
-#define __XTRAPBITS__ "@(#)xtrapbits.h 1.6 - 90/09/18 "
-
-/*****************************************************************************
-Copyright 1987, 1988, 1989, 1990, 1994 by Digital Equipment Corporation,
-Maynard, MA
-
-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.
-
-*****************************************************************************/
-/*
- *
- * CONTRIBUTORS:
- *
- * Dick Annicchiarico
- * Robert Chesler
- * Dan Coutu
- * Gene Durso
- * Marc Evans
- * Alan Jamison
- * Mark Henry
- * Ken Miller
- *
- */
-typedef unsigned char *UByteP; /* Pointer to an unsigned byte array */
-#define BitsInByte 8L /* The number of bits in a byte */
-
-#define BitInByte(bit) /* Returns the bit mask of a byte */ \
- (1L << (((bit) % BitsInByte)))
-
-#define BitInWord(bit) /* Returns the bit mask of a word */ \
- (1L << (((bit) % (BitsInByte * 2L))))
-
-#define BitInLong(bit) /* Returns the bit mask of a long */ \
- (1L << (((bit) % (BitsInByte * 4L))))
-
-#define ByteInArray(array,bit) /* Returns the byte offset to get to a bit */ \
- (((UByteP)(array))[(bit) / BitsInByte])
-
-#define BitIsTrue(array,bit) /* Test to see if a specific bit is True */ \
- (ByteInArray(array,bit) & BitInByte(bit))
-
-#define BitIsFalse(array,bit) /* Test to see if a specific bit is False */ \
- (!(BitIsTrue(array,bit)))
-
-#define BitTrue(array,bit) /* Set a specific bit to be True */ \
- (ByteInArray(array,bit) |= BitInByte(bit))
-
-#define BitFalse(array,bit) /* Set a specific bit to be False */ \
- (ByteInArray(array,bit) &= ~BitInByte(bit))
-
-#define BitToggle(array,bit) /* Toggle a specific bit */ \
- (ByteInArray(array,bit) ^= BitInByte(bit))
-
-#define BitCopy(dest,src,bit) /* Copy a specific bit */ \
- BitIsTrue((src),(bit)) ? BitTrue((dest),(bit)) : BitFalse((dest),(bit))
-
-#define BitValue(array,bit) /* Return True or False depending on bit */ \
- (BitIsTrue((array),(bit)) ? True : False)
-
-#define BitSet(array,bit,value) /* Set bit to given value in array */ \
- (value) ? BitTrue((array),(bit)) : BitFalse((array),(bit))
-
-#endif /* __XTRAPBITS__ */