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/*
* Copyright (c) 2005 Rozhuk Ivan <rozhuk.im@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#if !defined(AFX_STRHEXTONUM__H__INCLUDED_)
#define AFX_STRHEXTONUM__H__INCLUDED_
#pragma once
__inline DWORD StrHexToUNum32(LPCSTR lpcszString,size_t dwStringLen)
{
DWORD dwNum=0;
BYTE bCurentFigure;
while(dwStringLen)
{
bCurentFigure=(*lpcszString);
if ('0'<=bCurentFigure && bCurentFigure<='9')
{
bCurentFigure-='0';
}else
if ('a'<=bCurentFigure && bCurentFigure<='f')
{
bCurentFigure-=('a'+10);
}else
if ('A'<=bCurentFigure && bCurentFigure<='F')
{
bCurentFigure-=('A'+10);
}else{
bCurentFigure=255;
}
if (bCurentFigure!=255)
{
dwNum*=16;// сдвигаем предыдущее число на один разряд чтоб добавить в младший разряд новую цифру
dwNum+=bCurentFigure;// добавляем цифру в младший разряд
}
lpcszString++;// перемещаем указатель на следующую позицию
dwStringLen--;// уменьшаем длинну
}
return(dwNum);
}
#endif // !defined(AFX_STRHEXTONUM__H__INCLUDED_)
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