Paul Fultz II
7ef119cbfc
Fix FPs in lifetime checker
...
This fixes several FPs in the lifetime checker. It also fixes issue [8846](https://trac.cppcheck.net/ticket/8846 ):
```cpp
int * f(int a[])
{
return a;
}
```
2018-11-17 09:41:59 +01:00
Paul Fultz II
54453c5802
Fix FP when copying pointer to string ( #1479 )
2018-11-14 06:59:25 +01:00
Daniel Marjamäki
f096d7f474
astyle formatting
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[ci skip]
2018-11-12 10:08:57 +01:00
Paul Fultz II
0e11bb07c8
Extend lifetime analysis to pointer usage ( #1477 )
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* Use lifetime analysis for pointers as well
* Fix issue 1143: Pointer to local array
* Update message when using pointers
* Avoid infinite loop in tracing lifetimes
2018-11-12 10:08:17 +01:00
Paul Fultz II
68d6b96878
Diagnose invalid lifetimes ( #1475 )
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* Add check for invalid lifetimes
* Fix FP with member variables
* Dont forward lifetime values in subfunction
* Update message to use out of scope
2018-11-11 16:43:54 +01:00
Daniel Marjamäki
ee2dfb6604
Fixed #8058 (False positive returnAddressOfAutoVariable within lambda)
2018-11-11 07:52:38 +01:00
Daniel Marjamäki
d5a478d5c5
astyle formatting
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[ci skip]
2018-11-10 21:30:01 +01:00
Paul Fultz II
1ffcc6b730
Add initial lifetime checker ( #1448 )
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* Inital valueflow lifetime checker
* Forward values
* Add initial tests
* Fix deplicate messages
* Fix traversing nested lambdas
* Turn test case into a todo
* Skip if returning a container
* Fix FP when using references
* Add missing header
* Fix FP from broken scopes
* Fix FP with static variable
* Add test for more FPs
* Parse lambda functions
* Check for capture by value
* Add tests for using a container and lambda together
* Fix cppcheck errors
* Add test for nextAfterAstRightmostLeaf
* Add valueflow tests
* Update error message
* Check for correct lambda token
* Improve error path reporting
* Fix hang when parsing arrays that look almlost like lambdas
2018-11-10 16:40:40 +01:00
Daniel Marjamäki
fb76ef1db1
Fixed testrunner
2018-11-03 18:59:55 +01:00
Daniel Marjamäki
66ca03fa0c
Fixed #8826 (false negative: Invalid memory address freed)
2018-11-03 18:55:20 +01:00
Daniel Marjamäki
43233e72b2
Fixed #8691 (False negative for uselessAssignmentArg)
2018-08-17 19:56:36 +02:00
Daniel Marjamäki
a4fdef8d9e
Refactoring; Use Token::isUnaryOp() to clarify code
2018-07-13 23:02:52 +02:00
Daniel Marjamäki
d0819e4792
Reuse isVariableChanged() in auto variables
2018-06-24 08:55:23 +02:00
Daniel Marjamäki
cde63c7573
Use Variable::valueType instead of Variable::typeStartToken in auto variables
2018-06-24 08:25:19 +02:00
Daniel Marjamäki
79ffe1d4fc
Rename _tokenizer, _settings, _errorLogger
2018-06-16 16:10:28 +02:00
Daniel Marjamäki
f336c2efe7
Refactoring; Renamed Scope::classStart and Scope::classEnd
2018-04-27 22:36:30 +02:00
Daniel Marjamäki
2073bd02d8
Refactoring: Use range for loop
2018-04-20 22:13:05 +02:00
Daniel Marjamäki
a0906140a6
Suppressions: New extensible Suppressions xml format that allow more attributes. To start with it also allows symbolName.
2018-04-09 06:43:48 +02:00
Daniel Marjamäki
c110770481
Fixed #8325 (False negative: address of auto variable being returned when assigned to another variable first)
2018-01-27 14:48:45 +01:00
Daniel Marjamäki
cb297a00fc
Auto variables: Assign address of local variable to global pointer ( #6825 )
2018-01-25 22:50:41 +01:00
Daniel Marjamäki
599e038282
AutoVariables: Warn when address of local array is assigned to global pointer and pointer is not reassigned
2018-01-24 21:33:58 +01:00
Daniel Marjamäki
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
PKEuS
817f66d74d
Fixed crash on garbage code ( #8317 )
2018-01-07 12:52:28 +01:00
Ayaz Salikhov
64eccd780c
Don't use static where not needed ( #952 )
2017-09-07 13:01:07 +02:00
Daniel Marjamäki
59034e17f1
Refactoring, reuse code to skip lambda functions
2017-08-29 22:35:55 +02:00
Ayaz Salikhov
3cd2f2d092
Don't cast bool to bool
2017-06-01 01:49:40 +03:00
Ayaz Salikhov
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +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
Daniel Marjamäki
f68fa72095
Fixed #7583 (Defect: False positive '(error) Reference to temporary returned')
2017-02-26 13:41:49 +01:00
PKEuS
ea53bd22b7
Fixed false positive returnTempReference with operator++ ( #7874 )
2016-12-22 11:49:59 +01:00
Daniel Marjamäki
aaf19c1e4f
Fixed #7839 (Prefix increment triggers parameter modification warning)
2016-12-19 15:25:36 +01:00
Daniel Marjamäki
4388435ce1
Revert "checkautovariable: fix #7818 , crash when accessing nullpointer tok2->next()."
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This reverts commit a5d32aa7a5
.
2016-11-20 17:21:56 +01:00
Matthias Krüger
a5d32aa7a5
checkautovariable: fix #7818 , crash when accessing nullpointer tok2->next().
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Not test case added yet because I failed to add it as .h files to testgarbage.
2016-11-16 14:46:37 +01:00
Daniel Marjamäki
4732667488
ValueFlow: allow more value types
2016-11-13 22:33:39 +01:00
PKEuS
1715969f6f
Support prefix-increment/decrement in CheckAutoVariables::assignFunctionArg() ( #3177 )
2016-10-10 21:34:40 +02:00
Alexander Mai
d492500f34
#5844 False positive: returnReference fp for inner lambda function
2016-05-20 23:46:56 +02:00
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
PKEuS
23ad881c64
Fixed false positive returnLocalVariable ( #7180 )
2016-01-30 20:18:12 +01:00
Daniel Marjamäki
5e10e680da
CWE: refactoring. use constants instead of magic numbers.
2016-01-25 20:01:48 +01:00
Roberto Martelloni
bb6880919c
CWE mapping
2016-01-15 17:07:14 +01:00
Lauri Nurmi
996c9244d8
Update copyright year to 2007-2016.
2016-01-01 15:34:45 +02:00
Daniel Marjamäki
0f9d90d2be
Changed Copyrights. Removed my name.
2015-11-18 20:04:50 +01:00
Daniel Marjamäki
71bf0f076f
CheckAutoVariables: Handle 'x-y' better in isAutoVarArray
2015-11-15 19:34:36 +01:00
Daniel Marjamäki
4e578af603
CheckAutoVar: Improved usage of AST and ValueFlow
2015-11-15 14:48:13 +01:00
Daniel Marjamäki
c10a10c26f
CheckAutoVariables: use ValueFlow to detect more errors when pointer aliases are used
2015-11-15 12:10:35 +01:00
Daniel Marjamäki
ad0d23036c
Fixed some cppcheck warnings about methods that can be static/const
2015-11-14 18:43:07 +01:00
PKEuS
a8cf63239a
Fixed false positive autovarInvalidDeallocation if deallocting result of member function ( #6551 )
2015-11-11 16:59:31 +01:00
Daniel Marjamäki
47f64df8aa
minor refactoring
2015-09-09 10:08:37 +02:00
Simon Martin
59abb04042
Ticket #6596 : Address of local variables can also be assigned to pointer-pointer arguments using the ptr[] syntax.
2015-08-28 20:29:51 +02:00