100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
//
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// The developer of the original code and/or files is Tripwire, Inc.
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// Portions created by Tripwire, Inc. are copyright (C) 2000-2017 Tripwire,
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// Inc. Tripwire is a registered trademark of Tripwire, Inc. All rights
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// reserved.
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//
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// This program is free software. The contents of this file are subject
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// to the terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2 of the License, or (at your
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// option) any later version. You may redistribute it and/or modify it
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// only in compliance with the GNU General Public 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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// However, this program is distributed AS-IS WITHOUT ANY
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// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
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// FOR A PARTICULAR PURPOSE. Please see the GNU General Public License
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// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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//
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// Nothing in the GNU General Public License or any other license to use
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// the code or files shall permit you to use Tripwire's trademarks,
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// service marks, or other intellectual property without Tripwire's
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// prior written consent.
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//
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// If you have any questions, please contact Tripwire, Inc. at either
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// info@tripwire.org or www.tripwire.org.
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//
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///////////////////////////////////////////////////////////////////////////////
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// twlimits.cpp
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//
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//=========================================================================
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// INCLUDES
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//=========================================================================
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#include "stdcore.h"
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#include "twlimits.h"
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#include "debug.h"
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//=========================================================================
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// METHOD CODE
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//=========================================================================
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bool cInterpretInt::InterpretInt( const TSTRING& str, int* pi )
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{
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ASSERT( pi != 0);
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bool fFormatOK = true;
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//
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// make sure string is not longer than a string representation of LIMIT_MAX
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//
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TOSTRINGSTREAM sstr;
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sstr << cInterpretInt::LIMIT_MAX;
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if( str.length() > sstr.str().length() )
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fFormatOK = false;
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//
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// make sure string is not too short
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//
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if( fFormatOK && str.length() <= 0 )
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fFormatOK = false;
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//
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// make sure first character is a digit or the minus sign
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//
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if( fFormatOK )
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{
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if( ! ( _T('-') == str[0] || std::isdigit<TCHAR>( str[0], std::locale() ) ) )
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fFormatOK = false;
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}
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//
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// make sure all other characters are digits
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// NOTE:BAM -- this assumes that all digits in all locales are SB characters.
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// TODO:BAM -- check this...
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for( TSTRING::size_type j = 1; fFormatOK && j < str.length(); j++ )
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{
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if( ! std::isdigit<TCHAR>( str[j], std::locale() ) )
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fFormatOK = false;
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}
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//
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// do _ttoi conversion and check that it is within allowable limits
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//
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if( fFormatOK )
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{
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*pi = _ttoi( str.c_str() );
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if( *pi < GetMin() || *pi > GetMax() )
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fFormatOK = false;
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}
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return fFormatOK;
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}
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