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Richard Quirk d28cf42d4c Fix ticket #3317 (same expression false positives) 
Add a check for function calls that have no side effects. That means
known const methods and a list including strcmp, strlen, etc.

If the function is not known to be side effect-free then no style
warning is given.

Add test cases for the duplicate expressions.
 		2011-11-23 21:39:03 +01:00
..
check.h Reverted previous commit. There are testrunner problems when the code is removed. 2011-11-19 15:14:45 +01:00
check64bit.cpp Change every 'tokAt(1)->' to 'next()->' because 'tokAt(1) == 0' is equivalent to 'next() == 0', hence the equivalent cppcheck crash. 2011-11-20 15:09:57 +01:00
check64bit.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checkassignif.cpp Change every 'tokAt(..)->link()' to 'linkAt(..)'. 2011-11-20 14:24:27 +01:00
checkassignif.h improved error message 'mismatching comparison' 2011-11-18 20:07:42 +01:00
checkautovariables.cpp Change every 'tokAt(1)' to 'next()' and every 'tokAt(-1)' to 'previous()'. 2011-11-20 15:59:37 +01:00
checkautovariables.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checkboost.cpp Change every 'tokAt(1)' to 'next()' and every 'tokAt(-1)' to 'previous()'. 2011-11-20 15:59:37 +01:00
checkboost.h Fixed #3232 (Check if container is modified inside BOOST_FOREACH) 2011-10-23 13:07:43 +02:00
checkbufferoverrun.cpp astyle formatting 2011-11-20 16:50:41 +01:00
checkbufferoverrun.h DJGPP: Fixed a few compiler errors by using std::size_t instead of size_t 2011-11-22 21:14:14 +01:00
checkclass.cpp Fix ticket #2233 (unused private static function) 2011-11-23 21:28:08 +01:00
checkclass.h removed 'explicit constructors' check. see comments in pull request #51 for the reasons. 2011-11-02 17:12:46 +01:00
checkexceptionsafety.cpp Change every 'tokAt(...)->str()' to 'strAt(...)'. 2011-11-13 13:10:59 +01:00
checkexceptionsafety.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checkinternal.cpp Conforming style: always use 'std::' namespace where needed. This removes the mixing style inside the code. 2011-11-07 00:54:00 +01:00
checkinternal.h Add internal check that searches Token::Match() patterns for missing % end charaters 2011-10-29 12:22:26 +02:00
checkmemoryleak.cpp removed unused include 2011-11-22 19:54:15 +01:00
checkmemoryleak.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checknonreentrantfunctions.cpp checkMathFunctions: Refactoring the check 2011-10-22 12:31:47 +02:00
checknonreentrantfunctions.h Fix #3243 (Improve non reentrant function check) 2011-10-22 11:54:52 +02:00
checknullpointer.cpp Fix false positives for null pointer on exit 2011-11-23 21:27:15 +01:00
checknullpointer.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checkobsoletefunctions.cpp Change every 'tokAt(1)' to 'next()' and every 'tokAt(-1)' to 'previous()'. 2011-11-20 15:59:37 +01:00
checkobsoletefunctions.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checkother.cpp Fix ticket #3317 (same expression false positives) 2011-11-23 21:39:03 +01:00
checkother.h Fix ticket #3317 (same expression false positives) 2011-11-23 21:39:03 +01:00
checkpostfixoperator.cpp Change: 'next()->next()'->'tokAt(2)', 'previous()->previous()'->'tokAt(-2)'. 2011-11-12 22:33:03 +01:00
checkpostfixoperator.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checkstl.cpp Fixed #3255 (Error message for std::string::c_str() is not descriptive) 2011-11-20 19:26:07 +01:00
checkstl.h Fixed #3255 (Error message for std::string::c_str() is not descriptive) 2011-11-20 19:26:07 +01:00
checkuninitvar.cpp Uninitvar: Made checking experimental 2011-11-20 15:19:56 +01:00
checkuninitvar.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checkunusedfunctions.cpp Change every 'tokAt(1)' to 'next()' and every 'tokAt(-1)' to 'previous()'. 2011-11-20 15:59:37 +01:00
checkunusedfunctions.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
checkunusedvar.cpp Change every 'tokAt(..)->link()' to 'linkAt(..)'. 2011-11-20 14:24:27 +01:00
checkunusedvar.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
cppcheck.cpp Fixed #3347 (False positive: unused function (taking address)) 2011-11-21 19:12:54 +01:00
cppcheck.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
errorlogger.cpp changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
errorlogger.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
executionpath.cpp Change every 'tokAt(..)->link()' to 'linkAt(..)'. 2011-11-20 14:24:27 +01:00
executionpath.h Add more warnings and fix the ones reported by them. 2011-10-22 15:05:43 +02:00
lib.pri Add check for cppcheck's internal API usage (#3263) 2011-10-28 22:46:07 +02:00
mathlib.cpp Remove duplicate expressions on both sides of || 2011-11-08 21:56:54 +01:00
mathlib.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
path.cpp Add condition for HP-UX. 2011-10-20 09:01:58 +02:00
path.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
pcrerules.pri Complete 'disable the rules by default' for other platforms. 2011-10-19 15:14:39 +02:00
preprocessor.cpp Preprocessor: better handling of #define A 0 => #if A==0. ticket #3331 2011-11-17 19:19:43 +01:00
preprocessor.h Preprocessor: Bailout #include if it is recursive 2011-10-30 19:00:11 +01:00
settings.cpp support any number of --append=<file> options 2011-11-15 19:27:36 +01:00
settings.h Optimize handling of --append=<file> option (execution time, memory) 2011-11-15 19:27:36 +01:00
standards.h Add newline at end of file! 2011-10-31 15:12:29 +01:00
suppressions.cpp changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
suppressions.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
symboldatabase.cpp Change every 'tokAt(..)->link()' to 'linkAt(..)'. 2011-11-20 14:24:27 +01:00
symboldatabase.h DJGPP: Fixed a few compiler errors by using std::size_t instead of size_t 2011-11-22 21:14:14 +01:00
timer.cpp changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
timer.h changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
token.cpp DJGPP: Fixed a few compiler errors by using std::size_t instead of size_t 2011-11-22 21:14:14 +01:00
token.h DJGPP: Fixed a few compiler errors by using std::size_t instead of size_t 2011-11-22 21:14:14 +01:00
tokenize.cpp Tokenizer::setVarId: Fixed problem with class declarations with inheritance. skip them. 2011-11-21 21:18:56 +01:00
tokenize.h 1) Run runastyle; 2011-11-20 19:06:55 +01:00