mirror of
https://github.com/ShaYmez/xlxd.git
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74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
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/*
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* Copyright (C) 2009,2014,2015,2016 Jonathan Naylor, G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program 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
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* GNU General Public License for more details.
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*/
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#include "cutils.h"
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#include <cstdio>
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#include <cassert>
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void CUtils::byteToBitsBE(unsigned char byte, bool* bits)
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{
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assert(bits != NULL);
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bits[0U] = (byte & 0x80U) == 0x80U;
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bits[1U] = (byte & 0x40U) == 0x40U;
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bits[2U] = (byte & 0x20U) == 0x20U;
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bits[3U] = (byte & 0x10U) == 0x10U;
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bits[4U] = (byte & 0x08U) == 0x08U;
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bits[5U] = (byte & 0x04U) == 0x04U;
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bits[6U] = (byte & 0x02U) == 0x02U;
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bits[7U] = (byte & 0x01U) == 0x01U;
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}
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void CUtils::byteToBitsLE(unsigned char byte, bool* bits)
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{
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assert(bits != NULL);
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bits[0U] = (byte & 0x01U) == 0x01U;
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bits[1U] = (byte & 0x02U) == 0x02U;
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bits[2U] = (byte & 0x04U) == 0x04U;
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bits[3U] = (byte & 0x08U) == 0x08U;
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bits[4U] = (byte & 0x10U) == 0x10U;
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bits[5U] = (byte & 0x20U) == 0x20U;
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bits[6U] = (byte & 0x40U) == 0x40U;
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bits[7U] = (byte & 0x80U) == 0x80U;
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}
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void CUtils::bitsToByteBE(const bool* bits, unsigned char& byte)
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{
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assert(bits != NULL);
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byte = bits[0U] ? 0x80U : 0x00U;
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byte |= bits[1U] ? 0x40U : 0x00U;
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byte |= bits[2U] ? 0x20U : 0x00U;
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byte |= bits[3U] ? 0x10U : 0x00U;
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byte |= bits[4U] ? 0x08U : 0x00U;
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byte |= bits[5U] ? 0x04U : 0x00U;
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byte |= bits[6U] ? 0x02U : 0x00U;
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byte |= bits[7U] ? 0x01U : 0x00U;
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}
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void CUtils::bitsToByteLE(const bool* bits, unsigned char& byte)
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{
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assert(bits != NULL);
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byte = bits[0U] ? 0x01U : 0x00U;
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byte |= bits[1U] ? 0x02U : 0x00U;
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byte |= bits[2U] ? 0x04U : 0x00U;
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byte |= bits[3U] ? 0x08U : 0x00U;
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byte |= bits[4U] ? 0x10U : 0x00U;
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byte |= bits[5U] ? 0x20U : 0x00U;
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byte |= bits[6U] ? 0x40U : 0x00U;
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byte |= bits[7U] ? 0x80U : 0x00U;
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}
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