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/*
* Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "OleUtil.h"
int OleUtil::get4Bytes(const char *buffer, unsigned int offset) {
const unsigned char *buf = (const unsigned char*)buffer;
return
(int)buf[offset]
| ((int)buf[offset+1] << 8)
| ((int)buf[offset+2] << 16)
| ((int)buf[offset+3] << 24);
}
unsigned int OleUtil::getU4Bytes(const char *buffer, unsigned int offset) {
const unsigned char *buf = (const unsigned char*)buffer;
return
(unsigned int)buf[offset]
| ((unsigned int)buf[offset+1] << 8)
| ((unsigned int)buf[offset+2] << 16)
| ((unsigned int)buf[offset+3] << 24);
}
unsigned int OleUtil::getU2Bytes(const char *buffer, unsigned int offset) {
const unsigned char *buf = (const unsigned char*)buffer;
return
(unsigned int)buf[offset]
| ((unsigned int)buf[offset+1] << 8);
}
unsigned int OleUtil::getU1Byte(const char *buffer, unsigned int offset) {
const unsigned char *buf = (const unsigned char*)buffer;
return (unsigned int)buf[offset];
}
int OleUtil::get1Byte(const char *buffer, unsigned int offset) {
const unsigned char *buf = (const unsigned char*)buffer;
return (int)buf[offset];
}
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