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198 Commits

Author SHA1 Message Date
Daniel Marjamäki f2d56363d3 CheckCondition: Fix TODO assertion 2017-09-06 22:53:36 +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 (false negative: (warning) Same condition '...', second condition is always false) 2017-09-05 22:45:28 +02:00
Daniel Marjamäki e5e6f37e41 Fixed (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 d82805b7fe CheckCondition: Improved checking for same conditions 2017-09-04 22:40:34 +02:00
Daniel Marjamäki abae5e0156 Fixed (false positive: (warning) Same condition, second condition is always false) 2017-09-04 22:25:20 +02:00
Daniel Marjamäki ad494b996c TestCondition: break out tests to functions 2017-09-04 22:11:53 +02:00
Daniel Marjamäki d838dc2129 CheckCondition::multiCondition2: Fix FN for pointers 2017-09-04 15:58:22 +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 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 (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 7fad1b9a36 Improved checking for opposite conditions 2017-08-31 22:53:21 +02:00
Daniel Marjamäki dce942197c Fixed (Inner condition always false inside for loop) 2017-08-31 16:00:12 +02:00
Daniel Marjamäki 255d0410a4 Fixed (Token::expressionString: unsigned long long) 2017-07-21 09:16:42 +02:00
Daniel Marjamäki 814d2ae2a4 Fixed (False positive: opposite conditions (const method modifies variable)) 2017-07-10 23:12:45 +02:00
Ayaz Salikhov 28aa939d69 iwyu - include what you use 2017-05-27 04:33:47 +02:00
Daniel Marjamäki 040d2f0012 Use simplecpp lexer in test cases 2017-05-18 21:52:31 +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
Daniel Marjamäki 7fd04cd8d0 Updated Token::expressionString(), write '->' instead of '.' 2017-04-30 14:22:18 +02:00
PKEuS 9225bff31d Added (back) support for enums to CheckCondition::checkIncorrectLogicOperator() () 2017-03-23 18:57:48 +01:00
PKEuS ca3e3b3cdb Fixed false positive multiCondition when & is used in both conditions () 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 1c6c209353 Fixed (1.77 false positive from knownConditionTrueFalse with function-like macros) 2017-03-03 19:53:16 +01:00
Daniel Marjamäki 16c06e5714 Fixed (Opposite conditions in nested 'if' blocks lead to a dead code block.) 2017-02-28 18:46:28 +01:00
Daniel Marjamäki a53f14da25 Fixed (False Positive identical condition) 2017-02-22 21:13:36 +01:00
Stefan Weil 57b57428c2 Fix some typos in comments (found by codespell) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2016-11-27 11:40:42 +01:00
Matthias Krüger cf24ea5221 fix : 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 58eb644003 Improved Check: Warn about number and char literals in boolean expressions () 2016-10-09 13:21:00 +02:00
Daniel Marjamäki 9417425829 Fix testrunner 2016-08-29 04:26:27 +02:00
Bartlomiej Grzeskowiak 09a83f2cc8 Fixed ("(a | 7) > 6U" is always true) 2016-08-07 16:58:39 +02:00
Daniel Marjamäki 5611a71820 Fixed (False positive boolean result used in bitwise operation) 2016-07-29 18:46:43 +02:00
Daniel Marjamäki 89be630156 Fixed (False positive boolean result used in bitwise operation) 2016-07-29 17:24:22 +02:00
Bartlomiej Grzeskowiak a5cfa2b12c - and 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() () 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
Bartlomiej Grzeskowiak 7e020e1d92 - fix for false negative: Statement is always false 2016-04-14 14:50:08 +02:00
Daniel Marjamäki 7bd034c009 Fixed (False positive knownConditionTrueFalse - assertions) 2016-02-06 14:37:44 +01:00
Daniel Marjamäki 40e14f401f CheckCondition::alwaysTrueFalse: Move to normal checking to catch more problems 2016-01-26 10:08:21 +01:00
Daniel Marjamäki 6faa637fc7 Fixed (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 1b0bb02f1d invalidTestForOverflow: Fixed some false negatives () 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
Daniel Marjamäki 0f9d90d2be Changed Copyrights. Removed my name. 2015-11-18 20:04:50 +01:00
Daniel Marjamäki b9b0964dab Fixed (False positive Mismatching assignment and comparison (variable is changed in loop)) 2015-11-11 13:45:28 +01:00
Alexander Mai 2554674f4b Add regression test for previously fixed , and TODO test for 2015-11-07 11:17:44 +01:00
Daniel Marjamäki ac9cb87e04 ValueType: Handle bit operations, sizeof better. Use ValueType in astIsFloat(). 2015-10-11 12:20:40 +02:00
PKEuS 0a34b206e8 Refactorization: Reduced code duplication in test suite 2015-10-08 11:35:51 +02:00
PKEuS 3a5cef8a7e Refactorization: Improved usage of Settings instances in test suite 2015-10-07 18:40:03 +02:00
Simon Martin f273323cd0 Fixed TODO-test for CheckCondition::checkBadBitmaskCheck by handling functions return bool. 2015-09-03 21:07:03 +02:00
Daniel Marjamäki 6865724c4e Fixed (Token::expressionString: parenthesis missing in expression (*it)->stats.corpse_ticks) 2015-08-12 10:55:25 +02:00
Daniel Marjamäki eda5272dfd Fixed (Improve 'Redundant condition' error message) 2015-08-05 11:15:54 +02:00
Matthias Krüger 73eefa46fc testcondition: update testcase that was added since I did the changes. 2015-07-31 15:31:43 +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
Daniel Marjamäki 251f6d2a15 Fixed (Token::expressionString: wrong output when first token is post-incremented) 2015-07-31 07:03:52 +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
amai2012 c5673612e2 False positive incorrectLogicOperator due to dynamic_cast. Run CheckCondition::checkIncorrectLogicOperator on non-simplified tokenlist. 2015-07-30 10:30:30 +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 64b72bd6e5 Fixed (False positive (oppositeInnerCondition) - if (!dynamic_cast<>)) 2015-07-27 10:43:52 +02:00
PKEuS 176b3925b3 Removed "verify" code in testrunner. Fixing its messages reduces the accuracy of the test suite. 2015-07-25 14:18:41 +02:00
Daniel Marjamäki f711520892 Fixed (false negative: logical conjunction 'x == 0') 2015-07-21 22:26:22 +02:00
Daniel Marjamäki 1b8252181d Tokenizer: Removed Tokenizer::simplifyIfNotNull () 2015-07-21 17:58:44 +02:00
Daniel Marjamäki cb04dfbd37 Fixed (condition is always true (variable is assigned constant value and then used in condition)) 2015-07-17 15:30:23 +02:00
Daniel Marjamäki 15a8e4d2df Temporarily revert "Fixed (condition is always true (variable is assigned constant value and then used in condition))" 
This reverts commit a3fbad50cb.

The ValueFlow must be updated before this can be re-added.
 2015-07-16 21:10:46 +02:00
Daniel Marjamäki a3fbad50cb Fixed (condition is always true (variable is assigned constant value and then used in condition)) 2015-07-16 20:17:57 +02:00
orbitcowboy 1d910bc3bc : Added test case for oppositeInnerCondition. 2015-07-16 08:44:38 +02:00
Daniel Marjamäki 1a872a2c9f Fixed (false negative: Expression is always true/false '!(v!=10) && !(v!=20)') 2015-07-13 20:53:49 +02:00
Alexander Mai 6e03e7dca2 Remove some code checking for invalid class hierarchy which got obsolete since 480a5672b0. Run astyle 2015-07-01 07:50:13 +02:00
amai2012 108b035af2 Adjust two checks which have different results on Windows/Visual Studio than on Linux: one succeeds already, another fails. Analysis/fix is under development. Temporary repair allows to detect further regressions. 2015-06-30 21:21:26 +02:00
Daniel Marjamäki 1d49334398 Fixed (False positive assignIfError (assignment in while condition)) 2015-06-20 16:23:16 +02:00
Alexander Mai 272cc55ab8 False positive: redundantCondition - comparing large integer values (unsigned long long). Testcase added, issue got fixed before. 2015-06-20 12:18:24 +02:00
Daniel Marjamäki af4a4663e2 Fixed (False positive redundantCondition - !(i>1) is not i<1) 2015-06-19 19:49:05 +02:00
Daniel Marjamäki 1e1ba6b4a9 Fixed (False positive oppositeInnerCondition - unknown variable) 2015-06-14 20:06:05 +02:00
Alexander Mai a7b82b5c28 Refactoring to address some issues from (handling of unsigned numbers). Also adding a TODO testcase since the real issue (FP) is still not fixed 2015-06-13 18:08:13 +02:00
Dmitry-Me cae605b1ec New warning: warn about redundant code in condition. 2015-06-10 18:53:55 +02:00
PKEuS bc5132e0ac Refactorization: Moved declaration of errout, ... to testsuite.h, uniformized style 2015-03-11 22:54:43 +01:00
Alexander Mai b9cc5b5c6b crash: CheckCondition::checkBadBitmaskCheck ; wine dlls/gdi32/dibdrv/primitives.c. Run astyle. 2015-02-23 22:06:55 +01:00
PKEuS bedc935ab0 New check: Warn about constant expression if ( unknown | non_null_constant) () 2015-02-22 13:09:39 +01:00
Daniel Marjamäki eec938dbad Fixed (False positive: Incorrect detection of (assignment + comparison) inside for-clause) 2015-02-05 20:17:30 +01:00
Daniel Marjamäki d6c94e3828 isOppositeCond: Fixed FN 2015-02-01 13:03:38 +01:00
Daniel Marjamäki d091639080 Fixed (False positive multiCondition) 2015-02-01 12:58:06 +01:00
PKEuS 21cb0cfd60 Take simplifyIfNotNull and simplifyIfNot out of simplifyTokenList1 (first step for ) 2015-01-31 20:12:02 +01:00
Aneesh Azhakesan S fe5d2fc245 Fixed (false negative: 'else if' expression is always false (use library to determine if function is pure)) 2015-01-10 12:21:55 +01:00
Daniel Marjamäki ff11ba9847 Updated copyright year to 2015 2015-01-03 12:14:58 +01:00
Alexander Mai d2caf89706 crash in Variable::getFlag(). Catch token without variable in fix for . 2014-12-31 18:19:10 +01:00
Daniel Marjamäki 5c2a2a5c22 Fixed (False positive oppositeInnerCondition - neglecting statements with side-effects) 2014-12-31 15:14:22 +01:00
Daniel Marjamäki 051d42ae6b astyle formatting 2014-11-20 14:20:09 +01:00
orbitcowboy f5d804f71a running astyle 2014-11-20 10:13:03 +01:00
Dmitry-Me 1e298a31cf Refactoring tests. Use utility function to warn about unsimplified code in tests. 2014-09-13 12:59:32 +02:00
Alexander Mai a690f5856f Fix erroneous call to check() method. That is issues was not find by cppcheck itself, so has been created 2014-08-30 18:17:18 +02:00
PKEuS 06a92e8981 Moved several condition checks from checkOther to checkCondition (former checkAssignIf) 2014-08-29 17:06:46 +02:00