148 lines
8.1 KiB
C++
148 lines
8.1 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2010 Daniel Marjamäki and 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 CheckObsoleteFunctionsH
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#define CheckObsoleteFunctionsH
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//---------------------------------------------------------------------------
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#include "check.h"
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#include <string>
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#include <list>
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/// @addtogroup Checks
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/// @{
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/**
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* @brief Using obsolete functions that are always insecure to use.
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*/
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class CheckObsoleteFunctions : public Check
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{
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public:
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/** This constructor is used when registering the CheckObsoleteFunctions */
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CheckObsoleteFunctions() : Check()
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{
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initObsoleteFunctions();
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}
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/** This constructor is used when running checks. */
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CheckObsoleteFunctions(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
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: Check(tokenizer, settings, errorLogger)
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{
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initObsoleteFunctions();
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}
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void runSimplifiedChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
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{
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CheckObsoleteFunctions checkObsoleteFunctions(tokenizer, settings, errorLogger);
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checkObsoleteFunctions.obsoleteFunctions();
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}
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/** Check for obsolete functions */
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void obsoleteFunctions();
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private:
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/* function name / error message */
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std::list< std::pair< const std::string, const std::string> > _obsoleteFunctions;
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/** init obsolete functions list ' */
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void initObsoleteFunctions()
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{
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_obsoleteFunctions.push_back(std::make_pair("bsd_signal","Found obsolete function 'bsd_signal'. It is recommended that new applications use the 'sigaction' function"));
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_obsoleteFunctions.push_back(std::make_pair("gethostbyaddr","Found obsolete function 'gethostbyaddr'. It is recommended that new applications use the 'getaddrinfo' function"));
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_obsoleteFunctions.push_back(std::make_pair("gethostbyname","Found obsolete function 'gethostbyname'. It is recommended that new applications use the 'getnameinfo' function"));
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_obsoleteFunctions.push_back(std::make_pair("usleep","Found obsolete function 'usleep'. It is recommended that new applications use the 'nanosleep' or 'setitimer' function\n"
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"Found obsolete function 'usleep'. POSIX.1-2001 declares usleep() function obsolete and POSIX.1-2008 removes it. It is recommended that new applications use the 'nanosleep' or 'setitimer' function."));
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_obsoleteFunctions.push_back(std::make_pair("bcmp","Found obsolete function 'bcmp'. It is recommended that new applications use the 'memcmp' function"));
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_obsoleteFunctions.push_back(std::make_pair("bcopy","Found obsolete function 'bcopy'. It is recommended that new applications use the 'memmove' function"));
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_obsoleteFunctions.push_back(std::make_pair("bzero","Found obsolete function 'bzero'. It is recommended that new applications use the 'memset' function"));
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_obsoleteFunctions.push_back(std::make_pair("ecvt","Found obsolete function 'ecvt'. It is recommended that new applications use the 'sprintf' function"));
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_obsoleteFunctions.push_back(std::make_pair("fcvt","Found obsolete function 'fcvt'. It is recommended that new applications use the 'sprintf' function"));
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_obsoleteFunctions.push_back(std::make_pair("gcvt","Found obsolete function 'gcvt'. It is recommended that new applications use the 'sprintf' function"));
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_obsoleteFunctions.push_back(std::make_pair("ftime","Found obsolete function 'ftime'.\n"
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"It is recommended that new applications use time(), gettimeofday(), or clock_gettime() instead.\n"
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"For high-resolution timing on Windows, QueryPerformanceCounter() and QueryPerformanceFrequency may be used."));
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_obsoleteFunctions.push_back(std::make_pair("getcontext","Found obsolete function 'getcontext'. Due to portability issues with this function, applications are recommended to be rewritten to use POSIX threads"));
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_obsoleteFunctions.push_back(std::make_pair("makecontext","Found obsolete function 'makecontext'. Due to portability issues with this function, applications are recommended to be rewritten to use POSIX threads"));
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_obsoleteFunctions.push_back(std::make_pair("swapcontext","Found obsolete function 'swapcontext'. Due to portability issues with this function, applications are recommended to be rewritten to use POSIX threads"));
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_obsoleteFunctions.push_back(std::make_pair("getwd","Found obsolete function 'getwd'. It is recommended that new applications use the 'getcwd' function"));
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/* Disabled to fix #2334
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_obsoleteFunctions.push_back(std::make_pair("index","Found obsolete function 'index'. It is recommended to use the function 'strchr' instead"));
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*/
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_obsoleteFunctions.push_back(std::make_pair("rindex","Found obsolete function 'rindex'. It is recommended to use the function 'strrchr' instead"));
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_obsoleteFunctions.push_back(std::make_pair("pthread_attr_getstackaddr","Found obsolete function 'pthread_attr_getstackaddr'.It is recommended that new applications use the 'pthread_attr_getstack' function"));
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_obsoleteFunctions.push_back(std::make_pair("pthread_attr_setstackaddr","Found obsolete function 'pthread_attr_setstackaddr'.It is recommended that new applications use the 'pthread_attr_setstack' function"));
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_obsoleteFunctions.push_back(std::make_pair("scalbln","Found obsolete function 'scalb'.It is recommended to use either 'scalbln', 'scalblnf' or 'scalblnl' instead of this function"));
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_obsoleteFunctions.push_back(std::make_pair("ualarm","Found obsolete function 'ualarm'.It is recommended to use either 'timer_create', 'timer_delete', 'timer_getoverrun', 'timer_gettime', or 'timer_settime' instead of this function"));
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_obsoleteFunctions.push_back(std::make_pair("vfork","Found obsolete function 'vfork'. It is recommended to use the function 'fork' instead"));
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_obsoleteFunctions.push_back(std::make_pair("wcswcs","Found obsolete function 'wcswcs'. It is recommended to use the function 'wcsstr' instead"));
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_obsoleteFunctions.push_back(std::make_pair("gets","Found obsolete function 'gets'. It is recommended to use the function 'fgets' instead\n"
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"Found obsolete function 'gets'. With gets you'll get buffer overruns if the input data too big for the buffer. It is recommended to use the function 'fgets' instead."));
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}
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void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings)
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{
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CheckObsoleteFunctions c(0, settings, errorLogger);
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std::list< std::pair<const std::string, const std::string> >::const_iterator it(_obsoleteFunctions.begin()), itend(_obsoleteFunctions.end());
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for (; it!=itend; ++it)
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{
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c.reportError(0, Severity::style, "obsoleteFunctions"+it->first, it->second);
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}
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}
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std::string name() const
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{
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return "Obsolete functions";
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}
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std::string classInfo() const
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{
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std::string info = "Warn if any of these obsolete functions are used:\n";
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std::list< std::pair<const std::string, const std::string> >::const_iterator it(_obsoleteFunctions.begin()), itend(_obsoleteFunctions.end());
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for (; it!=itend; ++it)
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{
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info += "* " + it->first + "\n";
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}
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return info;
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}
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};
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/// @}
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//---------------------------------------------------------------------------
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#endif
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