mirror of
https://github.com/geometer/FBReaderJ.git
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55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
/*
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* Copyright (C) 2004-2015 FBReader.ORG Limited <contact@fbreader.org>
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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; either version 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include "OleUtil.h"
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int OleUtil::get4Bytes(const char *buffer, unsigned int offset) {
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const unsigned char *buf = (const unsigned char*)buffer;
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return
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(int)buf[offset]
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| ((int)buf[offset + 1] << 8)
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| ((int)buf[offset + 2] << 16)
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| ((int)buf[offset + 3] << 24);
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}
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unsigned int OleUtil::getU4Bytes(const char *buffer, unsigned int offset) {
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const unsigned char *buf = (const unsigned char*)buffer;
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return
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(unsigned int)buf[offset]
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| ((unsigned int)buf[offset + 1] << 8)
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| ((unsigned int)buf[offset + 2] << 16)
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| ((unsigned int)buf[offset + 3] << 24);
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}
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unsigned int OleUtil::getU2Bytes(const char *buffer, unsigned int offset) {
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const unsigned char *buf = (const unsigned char*)buffer;
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return
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(unsigned int)buf[offset]
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| ((unsigned int)buf[offset + 1] << 8);
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}
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unsigned int OleUtil::getU1Byte(const char *buffer, unsigned int offset) {
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const unsigned char *buf = (const unsigned char*)buffer;
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return (unsigned int)buf[offset];
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}
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int OleUtil::get1Byte(const char *buffer, unsigned int offset) {
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const unsigned char *buf = (const unsigned char*)buffer;
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return (int)buf[offset];
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}
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