30 lines
821 B
C++
30 lines
821 B
C++
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//=======================================================================
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//
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// Copyright (C) Microsoft Corporation, 1998 - 1999 All Rights Reserved.
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//
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// File: cruntime.cpp
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//
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// This file contains most commonly used string operation. ALl the setup project should link here
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// or add the common utility here to avoid duplicating code everywhere or using CRT runtime.
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//
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//=======================================================================
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#include "stdafx.h"
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#include "cruntime.h"
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#define ISHEXDIGIT(c) ((c >= '0' && c <= '9') || ((c&0xDF) >= 'A' && ((c&0xDF) <= 'F')))
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#define GETHEXDIGIT(c) ((c<'A') ? (c-0x30) : ((c&0xDF)-0x37))
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int atoh(const TCHAR *string)
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{
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int iValue = 0;
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while( ISHEXDIGIT(*string) )
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{
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iValue = (iValue << 4) + GETHEXDIGIT(*string);
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string++;
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}
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return iValue;
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}
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