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/* -*- C++ -*-

* Cppcheck - A tool for static C/C++ code analysis

* 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 checkvaargtH

#define checkvaargtH

//---------------------------------------------------------------------------

#include "check.h"

#include "checkimpl.h"

#include "config.h"

#include <string>

class ErrorLogger;

class Settings;

class Token;

class Tokenizer;

/// @addtogroup Checks

/// @{

/**

* @brief Checking for misusage of variable argument lists

class CPPCHECKLIB CheckVaarg : public Check {

public:

CheckVaarg() : Check("Vaarg") {}

void runChecks(const Tokenizer &tokenizer, ErrorLogger& errorLogger) override;

private:

void getErrorMessages(ErrorLogger& errorLogger, const Settings &settings) const override;

std::string classInfo() const override {

return "Check for misusage of variable argument lists:\n"

"- Wrong parameter passed to va_start()\n"

"- Reference passed to va_start()\n"

"- Missing va_end()\n"

"- Using va_list before it is opened\n"

"- Subsequent calls to va_start/va_copy()\n";

}

};

class CPPCHECKLIB CheckVaargImpl : public CheckImpl

{

public:

CheckVaargImpl(const Tokenizer *tokenizer, const Settings &settings, ErrorLogger &errorLogger)

: CheckImpl(tokenizer, settings, errorLogger) {}

void va_start_argument();

void va_list_usage();

void wrongParameterTo_va_start_error(const Token *tok, const std::string& paramIsName, const std::string& paramShouldName);

void referenceAs_va_start_error(const Token *tok, const std::string& paramName);

void va_end_missingError(const Token *tok, const std::string& varname);

void va_list_usedBeforeStartedError(const Token *tok, const std::string& varname);

void va_start_subsequentCallsError(const Token *tok, const std::string& varname);

};

/// @}

//---------------------------------------------------------------------------

#endif // checkvaargtH