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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc to all files copyright Regents of Berkeley. Man, that's a lot of files.
40 lines
956 B
C
40 lines
956 B
C
/*-------------------------------------------------------------------------
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*
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* bit.h
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* Standard bit array definitions.
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*
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*
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: bit.h,v 1.7 2000/01/26 05:58:37 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef BIT_H
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#define BIT_H
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typedef bits8 *BitArray;
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typedef uint32 BitIndex;
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#define BitsPerByte 8
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/*
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* BitArraySetBit
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* Sets (to 1) the value of a bit in a bit array.
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*/
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extern void BitArraySetBit(BitArray bitArray, BitIndex bitIndex);
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/*
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* BitArrayClearBit
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* Clears (to 0) the value of a bit in a bit array.
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*/
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extern void BitArrayClearBit(BitArray bitArray, BitIndex bitIndex);
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/*
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* BitArrayBitIsSet
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* True iff the bit is set (1) in a bit array.
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*/
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extern bool BitArrayBitIsSet(BitArray bitArray, BitIndex bitIndex);
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#endif /* BIT_H */
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