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17 lines
526 B
C
17 lines
526 B
C
#ifndef _UTILITY_BITOP_H_
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#define _UTILITY_BITOP_H_
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#pragma once
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/* a=target variable, b=bit number to act upon 0-n */
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#define BIT_SET(a, b) ((a) |= (1 << (b)))
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#define BIT_CLEAR(a, b) ((a) &= ~(1 << (b)))
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#define BIT_FLIP(a, b) ((a) ^= (1 << (b)))
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#define BIT_CHECK(a, b) (((a) & (1 << (b))) != 0)
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/* x=target variable, y=mask */
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#define BITMASK_SET(x, y) ((x) |= (y))
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#define BITMASK_CLEAR(x, y) ((x) &= (~(y)))
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#define BITMASK_FLIP(x, y) ((x) ^= (y))
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#define BITMASK_CHECK(x, y) (((x) & (y)) != 0)
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#endif
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