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f201ceee8c
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@910 72102866-910b-0410-8b05-ffd578937521
59 lines
2 KiB
C
59 lines
2 KiB
C
/* Macros for bit-wise operations.
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* Copyright (C) 1996 Free Software Foundation, Inc.
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*
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* Author: Albin L. Jones <Albin.L.Jones@Dartmouth.EDU>
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* Created: Sat Feb 10 21:17:10 EST 1996
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* Updated: Sat Feb 10 21:17:10 EST 1996
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* Serial: 96.02.10.01
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*
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* This file is part of the GNU Objective C Class Library.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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/**** Included Headers *******************************************************/
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#include <objects/callbacks.h>
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/**** Type, Constant, and Macro Definitions **********************************/
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/**** Function Implementations ***********************************************/
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#ifndef __bits_h_OBJECTS_INCLUDE
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#define __bits_h_OBJECTS_INCLUDE 1
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/**** Included Headers *******************************************************/
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/**** Type, Constant, and Macro Definitions **********************************/
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/** Bit operations **/
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/* Set the Nth bit of V to one. */
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#define OBJECTS_BIT_POKE(V,N) ((V) |= (1 << (N)))
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/* Set the Nth bit of V to zero. */
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#define OBJECTS_BIT_NOCK(V,N) ((V) &= ~(1 << (N)))
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/* Toggle the Nth bit of V. */
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#define OBJECTS_BIT_PLUK(V,N) ((V) ^= (1 << (N)))
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/* Grab the Nth bit of V. */
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#define OBJECTS_BIT_PEEK(V,N) ((V) & (1 << (N)))
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/**** Function Prototypes ****************************************************/
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#endif /* __bits_h_OBJECTS_INCLUDE */
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