92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2023 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License 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, see <http://www.gnu.org/licenses/>.
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*/
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//---------------------------------------------------------------------------
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#ifndef checkvaargtH
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#define checkvaargtH
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//---------------------------------------------------------------------------
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#include "check.h"
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#include "config.h"
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#include "tokenize.h"
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#include <string>
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class ErrorLogger;
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class Settings;
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class Token;
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/// @addtogroup Checks
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/// @{
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/**
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* @brief Checking for misusage of variable argument lists
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*/
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class CPPCHECKLIB CheckVaarg : public Check {
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public:
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CheckVaarg() : Check(myName()) {}
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private:
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CheckVaarg(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
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: Check(myName(), tokenizer, settings, errorLogger) {}
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void runChecks(const Tokenizer &tokenizer, ErrorLogger *errorLogger) override {
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CheckVaarg check(&tokenizer, tokenizer.getSettings(), errorLogger);
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check.va_start_argument();
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check.va_list_usage();
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}
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void va_start_argument();
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void va_list_usage();
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void wrongParameterTo_va_start_error(const Token *tok, const std::string& paramIsName, const std::string& paramShouldName);
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void referenceAs_va_start_error(const Token *tok, const std::string& paramName);
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void va_end_missingError(const Token *tok, const std::string& varname);
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void va_list_usedBeforeStartedError(const Token *tok, const std::string& varname);
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void va_start_subsequentCallsError(const Token *tok, const std::string& varname);
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void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) const override {
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CheckVaarg c(nullptr, settings, errorLogger);
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c.wrongParameterTo_va_start_error(nullptr, "arg1", "arg2");
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c.referenceAs_va_start_error(nullptr, "arg1");
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c.va_end_missingError(nullptr, "vl");
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c.va_list_usedBeforeStartedError(nullptr, "vl");
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c.va_start_subsequentCallsError(nullptr, "vl");
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}
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static std::string myName() {
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return "Vaarg";
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}
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std::string classInfo() const override {
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return "Check for misusage of variable argument lists:\n"
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"- Wrong parameter passed to va_start()\n"
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"- Reference passed to va_start()\n"
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"- Missing va_end()\n"
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"- Using va_list before it is opened\n"
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"- Subsequent calls to va_start/va_copy()\n";
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}
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};
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/// @}
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//---------------------------------------------------------------------------
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#endif // checkvaargtH
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