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108 Commits

Author SHA1 Message Date
Daniel Marjamäki ef4a7ba7f2 Fix FP in CheckCondition::multiCondition2 2017-09-03 14:46:37 +02:00
Daniel Marjamäki e5c6379d01 CheckCondition: Fix FP in Cppcheck 2017-09-03 11:35:37 +02:00
Daniel Marjamäki b9849d9e4e CheckCondition::multiCondition2: Handle loops better 2017-09-03 11:03:01 +02:00
Daniel Marjamäki 01e65d3e00 Improved CheckCondition::multiCondition2 so deeper bugs are found 2017-09-03 10:44:22 +02:00
Daniel Marjamäki f2ec5f24ce Fixed #5845 (new check: same condition after noreturn conditional code => second condition is always false) 2017-09-03 10:34:34 +02:00
Daniel Marjamäki 0b751dcc1b Opposite conditions: Better matching when outer condition uses && 2017-09-01 23:24:15 +02:00
Daniel Marjamäki 3b4f60fd21 Updated error message 2017-09-01 13:33:47 +02:00
Daniel Marjamäki dce942197c Fixed #8186 (Inner condition always false inside for loop) 2017-08-31 16:00:12 +02:00
Dmitry-Me cf6d3ba398 Omit unneeded computations 2017-08-28 18:10:49 +03:00
Ayaz Salikhov b8cd7dbb5c Use nullptr instead of 0 or NULL (#936) 2017-08-09 20:00:26 +02:00
Daniel Marjamäki 814d2ae2a4 Fixed #7028 (False positive: opposite conditions (const method modifies variable)) 2017-07-10 23:12:45 +02:00
Daniel Marjamäki 32fe0aba41 Fixed #8037 (ValueFlow: global variable might be modified by function call) 2017-07-09 12:50:17 +02:00
Ayaz Salikhov 28aa939d69 iwyu - include what you use 2017-05-27 04:33:47 +02:00
Daniel Marjamäki 55cd69e290 alwaysTrueFalse: Dont warn when checking sizeof for some type. such condition might be platform dependent. 2017-05-13 19:07:24 +02:00
PKEuS b1f4bd7504 Refactorization: Reimplemented Settings::_enabled as a bitfeld instead of std::set (#7995) 2017-04-11 11:49:26 +02:00
PKEuS 3c8f5b85ae Refactorization: Allocate Token::_values (ValueFlow information) dynamically, reducing size of each token by around 10% 2017-03-27 18:48:34 +02:00
PKEuS 9225bff31d Added (back) support for enums to CheckCondition::checkIncorrectLogicOperator() (#7794) 2017-03-23 18:57:48 +01:00
PKEuS ca3e3b3cdb Fixed false positive multiCondition when & is used in both conditions (#7827) 2017-03-15 19:37:14 +01:00
Daniel Marjamäki 263c3596d5 known conditions: dont warn about 0 or 1 conditions as those look intentional 2017-03-08 18:39:19 +01:00
Daniel Marjamäki ecc59859e1 Don't simplify _Bool in TokenList 2017-03-04 11:13:28 +01:00
Daniel Marjamäki 1c6c209353 Fixed #7890 (1.77 false positive from knownConditionTrueFalse with function-like macros) 2017-03-03 19:53:16 +01:00
Daniel Marjamäki 16c06e5714 Fixed #7588 (Opposite conditions in nested 'if' blocks lead to a dead code block.) 2017-02-28 18:46:28 +01:00
Matthias Krüger 6f1e7e897d simplify if(tok && Token::{simple,}Match) to if(Token::{simple,}Match). 2017-02-06 15:37:12 +01:00
PKEuS 2f6350a0d0 Refactorized Library 2016-12-06 14:09:28 +01:00
PKEuS 6e8ac13325 Refactorization: 
- Optimized std::string usage
- Replaced list by vector
- Moved iterator into loop head
- Ran AStyle
 2016-12-05 17:45:34 +01:00
Matthias Krüger 7197456c23 CheckCondition::checkIncorrectLogicOperator(): if we encounter a condition like 'A && (!A || B)', print the actual equivalent ('A && B') in the --verbose message. 2016-12-05 13:39:20 +01:00
Matthias Krüger cf24ea5221 fix #7783: false positive knownConditionTrueFalse on assert(0 && "message"). 2016-11-23 21:54:38 +01:00
Frank Zingsheim d4f01583b6 Fixed TODO (check if function parameter is non-const reference etc..) by common function 2016-11-01 14:06:30 +01:00
Harald Scheidl 04421f5601 check if AST is not null before accessing it 2016-10-09 18:21:23 +02:00
Daniel Marjamäki e0e53cbd66 alwaysTrueFalse: Don't warn when condition is 0 or 1 2016-10-09 15:20:43 +02:00
Harald Scheidl 58eb644003 Improved Check: Warn about number and char literals in boolean expressions (#7750) 2016-10-09 13:21:00 +02:00
Daniel Marjamäki 0e48625ff4 Fixed false positive when self-checking Cppcheck 'boolean result used in bitwise operation' when using boolean variables. 2016-08-29 04:09:36 +02:00
Daniel Marjamäki 706877df2d astyle formatting 
[ci skip]
 2016-08-24 12:43:45 +02:00
Roberto Martelloni 4c6f4f6708 CWE mapping of functionConst, functionStatic, initializerList, badBitmaskCheck, knownConditionTrueFalse, invalidTestForOverflow, unhandledExceptionSpecification, coutCerrMisusage, 
invalidPrintfArgType_int
 2016-08-23 16:48:36 +01:00
Bartlomiej Grzeskowiak 09a83f2cc8 Fixed #7567 ("(a | 7) > 6U" is always true) 2016-08-07 16:58:39 +02:00
Daniel Marjamäki 5611a71820 Fixed #7543 (False positive boolean result used in bitwise operation) 2016-07-29 18:46:43 +02:00
Daniel Marjamäki 89be630156 Fixed #7543 (False positive boolean result used in bitwise operation) 2016-07-29 17:24:22 +02:00
Daniel Marjamäki 9bda97975a Fixed #7037 (32bit (-m32): testsuite fails) 2016-07-19 12:14:55 +02:00
Bartlomiej Grzeskowiak a5cfa2b12c - #7522 and #7428 revisited. ((a&7)>7U) is always false and ((X|7)>=6) is correct (X can be negative). 2016-06-17 12:12:53 +02:00
PKEuS f2ae295f1e Support char literals in CheckCondition::checkIncorrectLogicOperator() (#5912) 2016-05-24 15:08:48 +02:00
PKEuS 5d5886b464 Properly detect binary & in CheckCondition::clarifyCondition() (fixes false positives when self-checking cppcheck) 2016-05-06 17:39:41 +02:00
PKEuS 3366a74bb0 Refactorized CheckCondition::clarifyCondition(): 
- Reimplemented parts of the check based on ValueType
- Merged two loops

Fixed some type conversion messages
 2016-05-06 15:22:45 +02:00
Daniel Marjamäki 00a584d8d1 astyle formatting 2016-04-22 06:01:34 +02:00
Bartlomiej Grzeskowiak 7e020e1d92 - fix for #7428 false negative: Statement is always false 2016-04-14 14:50:08 +02:00
Alexander Mai 0533d7bf9c Run astyle + minor refactoring 2016-02-27 16:03:50 +01:00
Roberto Martelloni d3645d874e Mapped toomanyconfigs ,AssignmentAddressToInteger 
,AssignmentIntegerToAddress ,CastIntegerToAddressAtReturn
,CastAddressToIntegerAtReturn ,assertWithSideEffect ,assignmentInAssert
,uselessAssignmentArg ,uselessAssignmentPtrArg
,comparisonOfFuncReturningBoolError
,comparisonOfTwoFuncsReturningBoolError ,comparisonOfBoolWithBoolError
,incrementboolean ,comparisonOfBoolWithInt ,compareBoolExpressionWithInt
,negativeIndex ,pointerOutOfBounds ,arrayIndexThenCheck
,possibleBufferAccessOutOfBounds ,argumentSize
,arrayIndexOutOfBoundsCond ,noConstructor ,copyCtorPointerCopying
,noCopyConstructor ,uninitMemberVar ,operatorEqVarError
,unusedPrivateFunction ,memsetClassFloat ,mallocOnClassWarning
,operatorEq ,thisSubtraction ,operatorEqRetRefThis ,operatorEqToSelf
,useInitializationList ,duplInheritedMember ,assignIfError
,comparisonError ,multiCondition ,mismatchingBitAnd
,oppositeInnerCondition ,incorrectLogicOperator ,redundantCondition
,moduloAlwaysTrueFalse to their CWEs ids.
 2016-02-26 23:53:52 +00:00
Daniel Marjamäki 7bd034c009 Fixed #7369 (False positive knownConditionTrueFalse - assertions) 2016-02-06 14:37:44 +01:00
Daniel Marjamäki 6faa637fc7 Fixed #6537 (False positive badBitmaskCheck - error in valueflow) 2016-01-24 13:45:44 +01:00
Lauri Nurmi 996c9244d8 Update copyright year to 2007-2016. 2016-01-01 15:34:45 +02:00
Daniel Marjamäki 8171154e12 Fixed #7230 (Confusing code snippet in error message) 2015-12-31 01:15:49 +01:00