111 lines
4.3 KiB
C++
111 lines
4.3 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2012 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 CheckNonReentrantFunctionsH
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#define CheckNonReentrantFunctionsH
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//---------------------------------------------------------------------------
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#include "check.h"
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#include <string>
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#include <map>
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/// @addtogroup Checks
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/// @{
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/**
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* @brief Using non reentrant functions that can be replaced by their reentrant versions
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*/
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class CheckNonReentrantFunctions : public Check {
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public:
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/** This constructor is used when registering the CheckNonReentrantFunctions */
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CheckNonReentrantFunctions() : Check(myName()) {
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initNonReentrantFunctions();
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}
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/** This constructor is used when running checks. */
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CheckNonReentrantFunctions(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
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: Check(myName(), tokenizer, settings, errorLogger) {
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initNonReentrantFunctions();
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}
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void runSimplifiedChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger) {
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CheckNonReentrantFunctions checkNonReentrantFunctions(tokenizer, settings, errorLogger);
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checkNonReentrantFunctions.nonReentrantFunctions();
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}
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/** Check for non reentrant functions */
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void nonReentrantFunctions();
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private:
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/* function name / error message */
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std::map<std::string,std::string> _nonReentrantFunctions;
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/** init nonreentrant functions list ' */
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void initNonReentrantFunctions() {
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static const char * const non_reentrant_functions_list[] = {
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"localtime", "gmtime", "strtok", "gethostbyname", "gethostbyaddr", "getservbyname"
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, "getservbyport", "crypt", "ttyname", "gethostbyname2"
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, "getprotobyname", "getnetbyname", "getnetbyaddr", "getrpcbyname", "getrpcbynumber", "getrpcent"
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, "ctermid", "readdir", "getlogin", "getpwent", "getpwnam", "getpwuid", "getspent"
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, "fgetspent", "getspnam", "getgrnam", "getgrgid", "getnetgrent", "tempnam", "fgetpwent"
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, "fgetgrent", "ecvt", "gcvt", "getservent", "gethostent", "getgrent", "fcvt"
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};
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// generate messages
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for (unsigned int i = 0; i < (sizeof(non_reentrant_functions_list) / sizeof(char *)); ++i) {
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std::string strMsg("Found non reentrant function \'");
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strMsg+=non_reentrant_functions_list[i];
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strMsg+= "\'. For threadsafe applications it is recommended to use the reentrant replacement function \'";
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strMsg+=non_reentrant_functions_list[i];
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strMsg+="_r\'";
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_nonReentrantFunctions[non_reentrant_functions_list[i]] = strMsg;
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}
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}
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void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) {
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CheckNonReentrantFunctions c(0, settings, errorLogger);
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std::map<std::string,std::string>::const_iterator it(_nonReentrantFunctions.begin()), itend(_nonReentrantFunctions.end());
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for (; it!=itend; ++it) {
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c.reportError(0, Severity::portability, "nonreentrantFunctions"+it->first, it->second);
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}
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}
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std::string myName() const {
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return "Non reentrant functions";
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}
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std::string classInfo() const {
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std::string info = "Warn if any of these non reentrant functions are used:\n";
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std::map<std::string,std::string>::const_iterator it(_nonReentrantFunctions.begin()), itend(_nonReentrantFunctions.end());
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for (; it!=itend; ++it) {
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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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