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/* -*- C++ -*-
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2025 Cppcheck team.
*
* 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 "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(myName()) {}
private:
CheckVaarg(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
: Check(myName(), tokenizer, settings, errorLogger) {}
void runChecks(const Tokenizer &tokenizer, ErrorLogger *errorLogger) override;
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);
void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) const override;
static std::string myName() {
return "Vaarg";
}
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";
}
};
/// @}
//---------------------------------------------------------------------------
#endif // checkvaargtH
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