Daniel Marjamäki
1b4f4d7130
Fixed #8495 (False positive: boolean result used in bitwise operation when & is overloaded)
2018-04-17 22:14:17 +02:00
PKEuS
b15cc3f236
Refactorization: Replace several push_back-sequences by initializer lists
2018-04-09 09:54:39 +02:00
Daniel Marjamäki
795b9f5e0f
astyle formatting
2018-04-08 09:25:59 +02:00
Paul Fultz II
b85dda77da
Add a check for identical inner conditions ( #1156 )
2018-04-08 08:13:44 +02:00
jrp2014
17bd2f0c72
Refactor lib/checkcondition.cpp
2018-04-05 15:53:49 +02:00
jrp2014
b6504c70ca
Improve constness
2018-04-04 21:51:31 +02:00
Daniel Marjamäki
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
Dmitry-Me
5a642ac35e
Omit unneeded computations
2017-12-26 02:07:24 +03:00
Dmitry-Me
8851fd64a6
Break loop early
2017-12-21 03:13:00 +03:00
Oleksandr Redko
a8700f5622
Remove redundant parts of conditional expressions ( #988 )
...
All issues were found with PVS-Studio:
V560 A part of conditional expression is always true: tok. astutils.cpp 407
V560 A part of conditional expression is always true: size > 0. checkbufferoverrun.cpp 709
V547 Expression 'secondTrue' is always true. checkcondition.cpp 1013
V547 Expression 'firstTrue' is always true. checkcondition.cpp 1020
V560 A part of conditional expression is always true: !scan. checkio.cpp 1036
V560 A part of conditional expression is always true: scope->function. checknullpointer.cpp 395
V560 A part of conditional expression is always true: tok2. checkstl.cpp 268
V560 A part of conditional expression is always true: par. tokenize.cpp 9440
V547 Expression '!erased' is always true. symboldatabase.cpp 3990
2017-11-03 10:39:57 +01:00
Daniel Marjamäki
539258f7a3
Fix FP for pointer addition checker
2017-10-22 23:13:12 +02:00
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
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[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"
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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