cppcheck/src/checkbufferoverrun.h

65 lines
2.2 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam,
* Leandro Penz, Kimmo Varis
*
* 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 3 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, see <http://www.gnu.org/licenses/
*/
//---------------------------------------------------------------------------
#ifndef CheckBufferOverrunH
#define CheckBufferOverrunH
//---------------------------------------------------------------------------
#include "settings.h"
#include <list>
class ErrorLogger;
class Token;
class Tokenizer;
class CheckBufferOverrunClass
{
public:
CheckBufferOverrunClass(const Tokenizer *tokenizer, const Settings &settings, ErrorLogger *errorLogger);
~CheckBufferOverrunClass();
/** Check for buffer overruns */
void bufferOverrun();
private:
/** Check for buffer overruns - locate struct variables and check them with the .._CheckScope function */
void CheckBufferOverrun_StructVariable();
/** Check for buffer overruns - locate global variables and local function variables and check them with the .._CheckScope function */
void CheckBufferOverrun_GlobalAndLocalVariable();
/** Check for buffer overruns - this is the function that performs the actual checking */
void CheckBufferOverrun_CheckScope(const Token *tok, const char *varname[], const int size, const int total_size, unsigned int varid);
const Tokenizer *_tokenizer;
const Settings _settings;
ErrorLogger *_errorLogger;
/** callstack - used during intra-function checking */
std::list<const Token *> _callStack;
void arrayIndexOutOfBounds(const Token *tok);
};
//---------------------------------------------------------------------------
#endif