Fix multi-threading by converting static member variables to instance variables
This commit is contained in:
Alexander Mai
parent
0ac89c8af2
commit
598809a834
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@ -25,10 +25,6 @@
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//---------------------------------------------------------------------------
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std::map<std::string, std::string> CheckObsoleteFunctions::_obsoleteStandardFunctions;
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std::map<std::string, std::string> CheckObsoleteFunctions::_obsoletePosixFunctions;
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std::map<std::string, std::string> CheckObsoleteFunctions::_obsoleteC99Functions;
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// Register this check class (by creating a static instance of it)
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namespace {
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@ -73,4 +69,64 @@ void CheckObsoleteFunctions::obsoleteFunctions()
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}
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}
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}
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void CheckObsoleteFunctions::initObsoleteFunctions()
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{
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// Obsolete posix functions, which messages suggest only one alternative and doesn't contain additional information.
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const struct {
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const char* bad;
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const char* good;
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} posix_stdmsgs[] = {
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{"bsd_signal", "sigaction"},
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{"gethostbyaddr", "getnameinfo"},
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{"gethostbyname", "getaddrinfo"},
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{"bcmp", "memcmp"},
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{"bzero", "memset"},
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{"ecvt", "sprintf"},
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{"fcvt", "sprintf"},
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{"gcvt", "sprintf"},
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{"getwd", "getcwd"},
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{"index", "strchr"}, // See #2334 (using the Qt Model/View function 'index')
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{"rindex", "strrchr"},
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{"pthread_attr_getstackaddr", "pthread_attr_getstack"},
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{"pthread_attr_setstackaddr", "pthread_attr_setstack"},
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{"vfork", "fork"},
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{"wcswcs", "wcsstr"},
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{"rand_r", "rand"},
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{"utime", "utimensat"},
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{"asctime_r", "strftime"},
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{"ctime_r", "strftime"}
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};
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for (std::size_t i = 0; i < (sizeof(posix_stdmsgs) / sizeof(*posix_stdmsgs)); ++i) {
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_obsoletePosixFunctions[posix_stdmsgs[i].bad] = "Obsolete function '" + std::string(posix_stdmsgs[i].bad) + "' called. It is recommended to use the function '" + posix_stdmsgs[i].good + "' instead.";
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}
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_obsoletePosixFunctions["usleep"] = "Obsolete function 'usleep' called. It is recommended to use the 'nanosleep' or 'setitimer' function instead.\n"
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"The obsolete function 'usleep' is called. 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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_obsoletePosixFunctions["bcopy"] = "Obsolete function 'bcopy' called. It is recommended to use the 'memmove' or 'memcpy' function instead.";
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_obsoletePosixFunctions["ftime"] = "Obsolete function 'ftime' called. It is recommended to use time(), gettimeofday() or clock_gettime() instead.";
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_obsoletePosixFunctions["getcontext"] = "Obsolete function 'getcontext' called. Due to portability issues, applications are recommended to be rewritten to use POSIX threads.";
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_obsoletePosixFunctions["makecontext"] = "Obsolete function 'makecontext' called. Due to portability issues, applications are recommended to be rewritten to use POSIX threads.";
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_obsoletePosixFunctions["swapcontext"] = "Obsolete function 'swapcontext' called. Due to portability issues, applications are recommended to be rewritten to use POSIX threads.";
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_obsoletePosixFunctions["scalbln"] = "Obsolete function 'scalb' called. It is recommended to use 'scalbln', 'scalblnf' or 'scalblnl' instead.";
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_obsoletePosixFunctions["ualarm"] = "Obsolete function 'ualarm' called. It is recommended to use 'timer_create', 'timer_delete', 'timer_getoverrun', 'timer_gettime' or 'timer_settime' instead.";
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_obsoletePosixFunctions["tmpnam"] = "Obsolete function 'tmpnam' called. It is recommended to use 'tmpfile', 'mkstemp' or 'mkdtemp' instead.";
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_obsoletePosixFunctions["tmpnam_r"] = "Obsolete function 'tmpnam_r' called. It is recommended to use 'tmpfile', 'mkstemp' or 'mkdtemp' instead.";
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_obsoleteStandardFunctions["gets"] = "Obsolete function 'gets' called. It is recommended to use the function 'fgets' instead.\n"
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"The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun if the input data exceeds the size of the buffer. It is recommended to use the function 'fgets' instead.";
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_obsoleteC99Functions["alloca"] = "Obsolete function 'alloca' called. In C99 and later it is recommended to use a variable length array instead.\n"
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"The obsolete function 'alloca' is called. In C99 and later it is recommended to use a variable length array or a dynamically allocated array instead. The function 'alloca' is dangerous for many reasons (http://stackoverflow.com/questions/1018853/why-is-alloca-not-considered-good-practice and http://linux.die.net/man/3/alloca).";
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_obsoleteC99Functions["asctime"] = "Obsolete function 'asctime' called. It is recommended to use the function 'strftime' instead.";
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// ctime is obsolete - it's not threadsafe. but there is no good replacement.
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//_obsoleteC99Functions["ctime"] = "Obsolete function 'ctime' called. It is recommended to use the function 'strftime' instead.";
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}
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//---------------------------------------------------------------------------
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@ -45,6 +45,7 @@ public:
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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(myName(), tokenizer, settings, errorLogger) {
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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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@ -57,69 +58,12 @@ public:
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private:
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/* function name / error message */
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static std::map<std::string, std::string> _obsoleteStandardFunctions;
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static std::map<std::string, std::string> _obsoletePosixFunctions;
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static std::map<std::string, std::string> _obsoleteC99Functions;
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std::map<std::string, std::string> _obsoleteStandardFunctions;
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std::map<std::string, std::string> _obsoletePosixFunctions;
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std::map<std::string, std::string> _obsoleteC99Functions;
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/** init obsolete functions list ' */
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void initObsoleteFunctions() {
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// Obsolete posix functions, which messages suggest only one alternative and doesn't contain additional information.
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const struct {
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const char* bad;
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const char* good;
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} posix_stdmsgs[] = {
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{"bsd_signal", "sigaction"},
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{"gethostbyaddr", "getnameinfo"},
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{"gethostbyname", "getaddrinfo"},
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{"bcmp", "memcmp"},
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{"bzero", "memset"},
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{"ecvt", "sprintf"},
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{"fcvt", "sprintf"},
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{"gcvt", "sprintf"},
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{"getwd", "getcwd"},
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{"index", "strchr"}, // See #2334 (using the Qt Model/View function 'index')
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{"rindex", "strrchr"},
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{"pthread_attr_getstackaddr", "pthread_attr_getstack"},
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{"pthread_attr_setstackaddr", "pthread_attr_setstack"},
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{"vfork", "fork"},
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{"wcswcs", "wcsstr"},
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{"rand_r", "rand"},
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{"utime", "utimensat"},
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{"asctime_r", "strftime"},
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{"ctime_r", "strftime"}
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};
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for (std::size_t i = 0; i < (sizeof(posix_stdmsgs) / sizeof(*posix_stdmsgs)); ++i) {
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_obsoletePosixFunctions[posix_stdmsgs[i].bad] = "Obsolete function '" + std::string(posix_stdmsgs[i].bad) + "' called. It is recommended to use the function '" + posix_stdmsgs[i].good + "' instead.";
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}
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_obsoletePosixFunctions["usleep"] = "Obsolete function 'usleep' called. It is recommended to use the 'nanosleep' or 'setitimer' function instead.\n"
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"The obsolete function 'usleep' is called. 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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_obsoletePosixFunctions["bcopy"] = "Obsolete function 'bcopy' called. It is recommended to use the 'memmove' or 'memcpy' function instead.";
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_obsoletePosixFunctions["ftime"] = "Obsolete function 'ftime' called. It is recommended to use time(), gettimeofday() or clock_gettime() instead.";
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_obsoletePosixFunctions["getcontext"] = "Obsolete function 'getcontext' called. Due to portability issues, applications are recommended to be rewritten to use POSIX threads.";
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_obsoletePosixFunctions["makecontext"] = "Obsolete function 'makecontext' called. Due to portability issues, applications are recommended to be rewritten to use POSIX threads.";
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_obsoletePosixFunctions["swapcontext"] = "Obsolete function 'swapcontext' called. Due to portability issues, applications are recommended to be rewritten to use POSIX threads.";
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_obsoletePosixFunctions["scalbln"] = "Obsolete function 'scalb' called. It is recommended to use 'scalbln', 'scalblnf' or 'scalblnl' instead.";
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_obsoletePosixFunctions["ualarm"] = "Obsolete function 'ualarm' called. It is recommended to use 'timer_create', 'timer_delete', 'timer_getoverrun', 'timer_gettime' or 'timer_settime' instead.";
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_obsoletePosixFunctions["tmpnam"] = "Obsolete function 'tmpnam' called. It is recommended to use 'tmpfile', 'mkstemp' or 'mkdtemp' instead.";
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_obsoletePosixFunctions["tmpnam_r"] = "Obsolete function 'tmpnam_r' called. It is recommended to use 'tmpfile', 'mkstemp' or 'mkdtemp' instead.";
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_obsoleteStandardFunctions["gets"] = "Obsolete function 'gets' called. It is recommended to use the function 'fgets' instead.\n"
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"The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun if the input data exceeds the size of the buffer. It is recommended to use the function 'fgets' instead.";
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_obsoleteC99Functions["alloca"] = "Obsolete function 'alloca' called. In C99 and later it is recommended to use a variable length array instead.\n"
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"The obsolete function 'alloca' is called. In C99 and later it is recommended to use a variable length array or a dynamically allocated array instead. The function 'alloca' is dangerous for many reasons (http://stackoverflow.com/questions/1018853/why-is-alloca-not-considered-good-practice and http://linux.die.net/man/3/alloca).";
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_obsoleteC99Functions["asctime"] = "Obsolete function 'asctime' called. It is recommended to use the function 'strftime' instead.";
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// ctime is obsolete - it's not threadsafe. but there is no good replacement.
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//_obsoleteC99Functions["ctime"] = "Obsolete function 'ctime' called. It is recommended to use the function 'strftime' instead.";
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}
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void initObsoleteFunctions();
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void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) const {
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CheckObsoleteFunctions c(0, settings, errorLogger);
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