mirror of https://github.com/jonthysell/MacLO.git
38 lines
924 B
C
38 lines
924 B
C
// Copyright (c) Jon Thysell <http://jonthysell.com>
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// Licensed under the MIT License.
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/**
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* @file Common.h
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*
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* This file includes some common utility functions and macros.
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*/
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#ifndef COMMON_H
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#define COMMON_H
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#include "stdbool.h"
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#include "stdint.h"
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/** Get the minimum of a and b. */
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#define min(a,b) ((a)<(b)?(a):(b))
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/** Get the maximum of a and b. */
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#define max(a,b) ((a)>(b)?(a):(b))
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/** Gets the bit within value. */
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#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
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/** Sets the bit within value. */
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#define bitSet(value, bit) ((value) |= (1UL << (bit)))
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/** Clears the bit within value. */
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#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
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/** Toggles the bit within value. */
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#define bitToggle(value, bit) ((value) ^= (1UL << (bit)))
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/** Sets the bit within value to bitValue. */
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#define bitWrite(value, bit, bitValue) ((bitValue) ? bitSet(value, bit) : bitClear(value, bit))
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#endif
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