Paul Fultz II
7368a54629
Add generic valueflow forward analysis ( #2511 )
2020-02-13 16:27:06 +01:00
Daniel Marjamäki
b44029cdaa
Refactoring; CWEs should be clarified
2020-01-01 09:09:10 +01:00
Daniel Marjamäki
36f369473e
isPointerDeref: Return false for function declarations
2019-12-15 16:36:46 +01:00
Paul Fultz II
a71f58ffc2
Fix issue 9441: false positive: new(std::nothrow) and nullPointerRedundantCheck ( #2403 )
...
* Fix issue 9441: false positive: new(std::nothrow) and nullPointerRedundantCheck
* Skip new if it is a variable
2019-12-01 12:16:31 +01:00
Paul Fultz II
6f29e299fc
Fix issue 9439: false positive: unique_ptr and nullPointerRedundantCheck ( #2346 )
2019-11-10 09:44:59 +01:00
Paul Fultz II
19cf636a4a
Move necessary code into valuetype ( #2265 )
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* Fix parsing of smart pointers
* Improve deduction of return type
* Valuetype computation for decayed pointers
2019-10-12 11:40:02 +02:00
Paul Fultz II
166bd2bafc
Fix issue 2153: valueFlowAfterCondition: struct member ( #2228 )
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* Fix issue 2153: valueFlowAfterCondition: struct member
* Fix null pointer dereference
* Formatting
* Check for another null pointer
* Initialize variables
* Remove redundant condition
* Format
* Add missing initialization to copy constructor
* Format
2019-09-30 21:04:43 +02:00
Paul Fultz II
39f4374446
Improve diagnostics with null smart pointers ( #1805 )
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* Warn when dereferencing null smart pointers
* Improve tracking of smart pointer values
* Use library isSmartPointer
2019-04-26 11:30:09 +02:00
Daniel Marjamäki
15fc9a622d
CheckBufferOverrun: Add CTU analysis
2019-03-23 08:36:10 +01:00
Daniel Marjamäki
b0c92c1ac1
CheckNullPointer: Use library instead of hardcoding
2019-03-17 07:37:38 +01:00
Daniel Marjamäki
87fe5c060e
Refactoring of Null Pointer Checker
2019-03-16 21:21:30 +01:00
Rikard Falkeborn
a53b016414
checknullpointer: Remove duplicated include ( #1732 )
2019-03-08 20:55:09 +01:00
Daniel Marjamäki
bd7790fd8c
Update copyright year
2019-02-09 07:24:06 +01:00
Daniel Marjamäki
37a3544ff5
CheckNullPointer: Try to report all CTU issues not just the first found issue
2018-12-31 07:52:14 +01:00
Daniel Marjamäki
91a580cbd7
CTU: more warnings
2018-12-30 18:31:37 +01:00
Daniel Marjamäki
c8901e9bab
CTU: Find paths better
2018-12-30 16:23:25 +01:00
Daniel Marjamäki
b3fcd8a685
astyle formatting
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[ci skip]
2018-12-30 11:59:06 +01:00
Daniel Marjamäki
378e083585
CTU: Refactoring the xml load/write. Renamed members.
2018-12-30 11:55:39 +01:00
ivangalkin
3f318548e2
CheckNullPointer: Add missing id 'nullPointerArithmeticRedundantCheck' to errorlist ( #1535 )
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* split CheckNullPointer::arithmeticError() into
* CheckNullPointer::pointerArithmeticError() and
* CheckNullPointer::redundantConditionWarning()
* Additional errorlist entry:
```XML
<error id="nullPointerArithmeticRedundantCheck"
severity="warning"
msg="Either the condition is redundant or there is pointer arithmetic with NULL pointer."
verbose="Either the condition is redundant or there is pointer arithmetic with NULL pointer." cwe="682"/>
```
2018-12-29 21:34:22 +01:00
Daniel Marjamäki
d18f5d8709
CTU: Reuse CheckNullPointer::isPointerDeRef in the nullpointer isUnsafeUsage
2018-12-29 09:26:57 +01:00
Daniel Marjamäki
a788512d66
CTU: Refactor isUnsafeFunction
2018-12-26 19:17:49 +01:00
Daniel Marjamäki
a6e227a73c
CTU: Refactoring; getErrorPath
2018-12-26 15:56:10 +01:00
Daniel Marjamäki
e39be48c92
CTU: Refactoring, create ErrorPath in ctu
2018-12-26 11:36:26 +01:00
Daniel Marjamäki
271763e680
CTU: Refactoring
2018-12-25 21:11:23 +01:00
Daniel Marjamäki
0f63874c62
Take back the whole program analysis for null pointers and uninitialized variables
2018-12-18 07:56:33 +01:00
Daniel Marjamäki
0c84475aac
Clarify code with Token::isUnaryOp()
2018-07-14 10:26:22 +02:00
Daniel Marjamäki
449c48f6a7
Refactoring: Use range for loops
2018-07-14 10:23:41 +02:00
Daniel Marjamäki
79ffe1d4fc
Rename _tokenizer, _settings, _errorLogger
2018-06-16 16:10:28 +02:00
Daniel Marjamäki
df9b243227
Modernize: use ranged for loops in CheckNullPointer
2018-06-03 09:27:18 +02:00
Daniel Marjamäki
7b6ddc50ae
astyle formatting
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[ci skip]
2018-05-10 17:57:16 +02:00
Paul Fultz II
0197343e0c
Fix false positive when using null arithmetic with class type ( #1214 )
2018-05-09 09:06:49 +02:00
Daniel Marjamäki
7dfbe7389b
Clarify null pointer arithmetic message
2018-05-02 12:57:24 +02:00
Daniel Marjamäki
b2343a2d4b
Fixed #8518 (Clarify warning for a NULL pointer which is received by a function call parameter.)
2018-05-01 17:30:29 +02:00
Daniel Marjamäki
f336c2efe7
Refactoring; Renamed Scope::classStart and Scope::classEnd
2018-04-27 22:36:30 +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
PKEuS
e2002db78d
Replaced make_container by C++11 initializer lists
2018-04-08 23:03:44 +02:00
jrp2014
b6504c70ca
Improve constness
2018-04-04 21:51:31 +02:00
Paul
d240a36a60
Extend nullPointerArithmetic to check for addition as well
2018-04-03 21:32:37 +02:00
Daniel Marjamäki
7e4dba6a7e
Updated copyright year
2018-03-31 20:59:09 +02:00
Daniel Marjamäki
1ae75303a7
micro optimisation, use const reference
2018-03-19 09:53:14 +01:00
Daniel Marjamäki
f7d537ea26
Null pointers: better detection of null pointer dereference
2018-03-18 19:02:30 +01:00
Daniel Marjamäki
58066b1f0c
Remove whole program analysis from 'uninitialized variables' and 'null pointer dereference' checkers. I think this logic can more or less be added in ValueFlow instead and then all ValueFlow checkers should get whole program analysis.
2018-02-06 14:56:17 +01:00
Daniel Marjamäki
4998248501
Null pointers: Fixed false positives when running whole program analysis. Copied the fix from the CheckUninitVar::isUnsafeFunction.
2018-02-04 15:29:57 +01:00
Daniel Marjamäki
512b9f512c
Refactoring whole program analysis for CheckUninitVar and CheckNullPointer
2018-01-21 22:56:46 +01:00
Daniel Marjamäki
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
Oleksandr Redko
a8700f5622
Remove redundant parts of conditional expressions ( #988 )
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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
ba8222de1c
ValueFlow: Put 'inconclusive' state in the ValueKind. A value can't be both known and inconclusive.
2017-09-20 22:41:36 +02:00
Ayaz Salikhov
b8cd7dbb5c
Use nullptr instead of 0 or NULL ( #936 )
2017-08-09 20:00:26 +02:00
orbitcowboy
0e575ce12c
Modernize: make use of 'nullptr' and added a rule-file for finding non-nullptr (zero) initializations.
2017-07-28 15:20:43 +02:00
Ayaz Salikhov
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +02:00