Commit Graph

183 Commits

Author SHA1 Message Date
Daniel Marjamäki 28cfee2d4f Fixed #8250 (New check: Pointer calculation result cant be NULL unless there is overflow) 2017-10-22 14:32:54 +02:00
Daniel Marjamäki 4700b75ded Clarify error message 'condition is always true/false' 2017-10-16 22:05:00 +02:00
Dmitry-Me 696c5b8100 Reduce duplication, omit building unneeded string 2017-09-18 03:06:35 +03:00
Dmitry-Me 7d6ef71c4d More selective match pattern 2017-09-18 02:45:02 +03:00
Daniel Marjamäki 927b14b60f Fixed #8217 (Crash in isVariableChanged()) 2017-09-14 15:45:15 +02:00
Daniel Marjamäki bb20c0504e CheckCondition: Fix FP in daca (iqtree) 'in >> ch' 2017-09-13 22:46:36 +02:00
Daniel Marjamäki db321c2617 CheckCondition: Fix FP when there is increment/decrement in condition (daca icu) 2017-09-10 22:58:05 +02:00
Daniel Marjamäki c34fdd1905 CheckCondition: Fix FP for undeclared variables (daca) 2017-09-10 22:30:41 +02:00
Daniel Marjamäki b81b4fcb78 Fixed #8208 (CheckCondition: Use Library to determine if function is const) 2017-09-08 18:08:32 +02:00
Daniel Marjamäki 899ad8479d CheckCondition: Fixed FP when condition contains global static variable 2017-09-08 15:44:56 +02:00
Daniel Marjamäki d9adb5432a astyle formatting
[ci skip]
2017-09-08 15:41:14 +02:00
Nekto89 9cbfa0e383 Fix #7803: false negative: condition is always true 'if (flags & A)' (#938) 2017-09-08 14:30:42 +02:00
Daniel Marjamäki 58db814d72 Rephraze /Same/Identical/ 2017-09-08 12:41:33 +02:00
Daniel Marjamäki 120d0f86d0 CheckCondition: Fix FP about same condition when switch case is used (daca) 2017-09-07 22:05:01 +02:00
Daniel Marjamäki 4c30a5af25 CheckCondition: Break out code to check if function call is non-const 2017-09-06 22:51:21 +02:00
Daniel Marjamäki e0c7f7f8f2 CheckCondition: Fix FP when there are method calls in condition 2017-09-06 22:26:00 +02:00
Daniel Marjamäki 35736364f8 Fixed #8199 (false negative: (warning) Same condition '...', second condition is always false) 2017-09-05 22:45:28 +02:00
Daniel Marjamäki e5e6f37e41 Fixed #7405 (false positive: (warning) Opposite conditions in nested 'if' blocks lead to a dead code block.) 2017-09-05 22:03:29 +02:00
Daniel Marjamäki c1000998f0 CheckCondition: Fix FP found in daca results (ace) 2017-09-05 09:33:35 +02:00
Daniel Marjamäki d02d235e5e Refactoring oppositeInnerCondition checking 2017-09-04 22:54:06 +02:00
Daniel Marjamäki d82805b7fe CheckCondition: Improved checking for same conditions 2017-09-04 22:40:34 +02:00
Daniel Marjamäki abae5e0156 Fixed #8198 (false positive: (warning) Same condition, second condition is always false) 2017-09-04 22:25:20 +02:00
Daniel Marjamäki d838dc2129 CheckCondition::multiCondition2: Fix FN for pointers 2017-09-04 15:58:22 +02:00
orbitcowboy 095e435031 wxwidgets.cfg: Added support for some wxTextFile functions. 2017-09-04 14:52:10 +02:00
Daniel Marjamäki 9465dca583 CheckCondition: Fix FPs for aliased variables (daca) 2017-09-04 09:34:03 +02:00
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
Daniel Marjamäki 24438c326e Fixed #7233 (Fasle negative 'unknownEvaluationOrder in case of macro) 2015-12-25 18:31:21 +01:00
Daniel Marjamäki 8f27cec991 Revert "minor tweak of comment"
This reverts commit b1d1869f22.
2015-12-14 20:29:29 +01:00
Daniel Marjamäki b1d1869f22 minor tweak of comment 2015-12-14 20:03:40 +01:00
Daniel Marjamäki 1b0bb02f1d invalidTestForOverflow: Fixed some false negatives (#7184) 2015-11-30 11:12:51 +01:00
Daniel Marjamäki fb8cce647c invalidTestForOverflow: Refactor; move from checkother to checkcondition 2015-11-30 08:51:15 +01:00
PKEuS 00bdc89f98 Refactorizations:
- Rely on SymbolDatabase to detect string types
- Loop over variable list instead of token list
- Fixed two comments claiming that the AST is experimental
2015-11-20 11:20:42 +01:00
Daniel Marjamäki 0f9d90d2be Changed Copyrights. Removed my name. 2015-11-18 20:04:50 +01:00
Daniel Marjamäki b9b0964dab Fixed #7006 (False positive Mismatching assignment and comparison (variable is changed in loop)) 2015-11-11 13:45:28 +01:00
Aleksandr Pikalev 2d0ecc08c1 Check pointers for NULL before utilizing and do not check it later 2015-11-06 20:24:09 +01:00
Simon Martin f273323cd0 Fixed TODO-test for CheckCondition::checkBadBitmaskCheck by handling functions return bool. 2015-09-03 21:07:03 +02:00
PKEuS 4d80df2f4a Added pointer to Type to Token (similar to Token::Variable() and Token::function()):
- Accessible via Token::type()
- Renamed former Token::type() to Token::tokType()
- Removed SymbolDatabase::isClassOrStruct()
2015-08-15 11:19:21 +02:00
Dmitry-Me ce96a5e84f Run cheaper checks first 2015-08-07 16:25:47 +03:00
Daniel Marjamäki a51acc8abd minor tweak of 'Redundant condition' error message 2015-08-05 11:30:58 +02:00
Daniel Marjamäki eda5272dfd Fixed #6875 (Improve 'Redundant condition' error message) 2015-08-05 11:15:54 +02:00
Daniel Marjamäki e598b07a6d Moved functions to astutils 2015-08-03 09:20:50 +02:00
Alexander Mai 96c3c111fc Refactoring: Move some AST related functions to distinct source file 2015-08-02 21:57:32 +02:00
Matthias Krüger 87891b4128 CheckCondition::checkIncorrectLogicOperator put conditions in single quotes 2015-07-31 15:28:48 +02:00
Matthias Krüger 21ed807f8d CheckCondition::alwaysTrueFalseError: put condition in single quotes. 2015-07-31 15:28:37 +02:00
amai2012 249a05126b #6895 segmentation fault (invalid code) in CheckCondition::isOppositeCond 2015-07-30 17:19:19 +02:00
Daniel Marjamäki 1752c4f4f0 Avoid 'Condition always true/false' FP when part of the condition is an expanded macro 2015-07-30 13:30:16 +02:00
Daniel Marjamäki 120f3072eb alwaysTrueFalse: Dont write warning when comparison is made in macro 2015-07-29 12:51:00 +02:00
Daniel Marjamäki afd9f071c0 simplified the code for ValueFlow Known/Possible values 2015-07-25 19:36:29 +02:00
Daniel Marjamäki eda3fdc96a CheckCondition: Refactoring function parameter lookup 2015-07-23 12:06:33 +02:00
Daniel Marjamäki f711520892 Fixed #6852 (false negative: logical conjunction 'x == 0') 2015-07-21 22:26:22 +02:00
Daniel Marjamäki 1b8252181d Tokenizer: Removed Tokenizer::simplifyIfNotNull (#6072) 2015-07-21 17:58:44 +02:00