a53b016414
checknullpointer: Remove duplicated include ( #1732 )
2019-03-08 20:55:09 +01:00
bd7790fd8c
Update copyright year
2019-02-09 07:24:06 +01:00
37a3544ff5
CheckNullPointer: Try to report all CTU issues not just the first found issue
2018-12-31 07:52:14 +01:00
91a580cbd7
CTU: more warnings
2018-12-30 18:31:37 +01:00
c8901e9bab
CTU: Find paths better
2018-12-30 16:23:25 +01:00
b3fcd8a685
astyle formatting
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[ci skip]
2018-12-30 11:59:06 +01:00
378e083585
CTU: Refactoring the xml load/write. Renamed members.
2018-12-30 11:55:39 +01:00
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
d18f5d8709
CTU: Reuse CheckNullPointer::isPointerDeRef in the nullpointer isUnsafeUsage
2018-12-29 09:26:57 +01:00
a788512d66
CTU: Refactor isUnsafeFunction
2018-12-26 19:17:49 +01:00
a6e227a73c
CTU: Refactoring; getErrorPath
2018-12-26 15:56:10 +01:00
e39be48c92
CTU: Refactoring, create ErrorPath in ctu
2018-12-26 11:36:26 +01:00
271763e680
CTU: Refactoring
2018-12-25 21:11:23 +01:00
0f63874c62
Take back the whole program analysis for null pointers and uninitialized variables
2018-12-18 07:56:33 +01:00
0c84475aac
Clarify code with Token::isUnaryOp()
2018-07-14 10:26:22 +02:00
449c48f6a7
Refactoring: Use range for loops
2018-07-14 10:23:41 +02:00
79ffe1d4fc
Rename _tokenizer, _settings, _errorLogger
2018-06-16 16:10:28 +02:00
df9b243227
Modernize: use ranged for loops in CheckNullPointer
2018-06-03 09:27:18 +02:00
7b6ddc50ae
astyle formatting
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[ci skip]
2018-05-10 17:57:16 +02:00
0197343e0c
Fix false positive when using null arithmetic with class type ( #1214 )
2018-05-09 09:06:49 +02:00
7dfbe7389b
Clarify null pointer arithmetic message
2018-05-02 12:57:24 +02:00
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
f336c2efe7
Refactoring; Renamed Scope::classStart and Scope::classEnd
2018-04-27 22:36:30 +02:00
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
e2002db78d
Replaced make_container by C++11 initializer lists
2018-04-08 23:03:44 +02:00
b6504c70ca
Improve constness
2018-04-04 21:51:31 +02:00
d240a36a60
Extend nullPointerArithmetic to check for addition as well
2018-04-03 21:32:37 +02:00
7e4dba6a7e
Updated copyright year
2018-03-31 20:59:09 +02:00
1ae75303a7
micro optimisation, use const reference
2018-03-19 09:53:14 +01:00
f7d537ea26
Null pointers: better detection of null pointer dereference
2018-03-18 19:02:30 +01:00
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
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
512b9f512c
Refactoring whole program analysis for CheckUninitVar and CheckNullPointer
2018-01-21 22:56:46 +01:00
c4caee6b18
Updated copyright year
2018-01-14 15:37:52 +01:00
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
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
b8cd7dbb5c
Use nullptr instead of 0 or NULL ( #936 )
2017-08-09 20:00:26 +02:00
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
28aa939d69
iwyu - include what you use
2017-05-27 04:33:47 +02:00
55ae206ecc
ErrorPath: better output
2017-05-19 17:29:16 +02:00
c617851567
ErrorLogger: Added ErrorPath where each item has token and info
2017-05-16 22:38:13 +02:00
3ef2f825c7
Fixed Cppcheck warnings about null pointer dereference
2017-05-15 20:36:28 +02:00
8d75d1b920
Partial fix for #8028 (ValueFlow: Origin/callstack of value)
2017-05-15 20:05:11 +02:00
c1cdcc158f
Run astyle. Fix some Doxygen issues
2017-05-06 11:57:02 +02:00
b1f4bd7504
Refactorization: Reimplemented Settings::_enabled as a bitfeld instead of std::set ( #7995 )
2017-04-11 11:49:26 +02:00
de86d40c97
Fixed handling of NULL and nullptr in CheckNullPointer
2017-02-24 19:44:28 +01:00
b08f99a082
Fixed false negative: nullpointer passed as std::string argument ( #7927 )
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Refactorization: Removed dead code from CheckNullPointer::parseFunctionCall()
2017-02-24 19:10:34 +01:00
7e7aa21029
astyle formatting
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[ci skip]
2016-12-26 14:14:48 +01:00
04f24b4220
CWE mapping of accessMoved, accessForwarded, nullPointerArithmeticRedundantCheck, nullPointerArithmetic
2016-12-24 23:07:37 +00:00
01e5f14bf8
CheckClass::virtualDestructorError and a variation of CheckNullPointer::nullPointerError would print inconclusive,warning messages altough no --enable=warning was given. Fix.
2016-11-23 00:13:09 +01:00
af5dd2c29e
New check: Pointer overflow (null pointer subtracted)
2016-10-09 15:15:29 +02:00
87409ea6b3
Running astyle; Improved testing of std::find; std.cfg: Added support for istream::read and ifstream::read.
2016-08-25 19:17:07 +02:00
01ee9ee5e6
CWE mapping of invalidLengthModifierError, leakUnsafeArgAlloc, nullPointerDefaultArg, nullPointerRedundantCheck, raceAfterInterlockedDecrement.
2016-08-24 15:37:14 +01:00
224e55780e
Add const where const access is enough
2016-07-22 15:35:07 +03:00
4b903a838f
Fixed #5522 (CheckLeakAutoVar: Don't treat 'x==p' as dereference of p)
2016-05-26 19:22:38 +02:00
923f7f843d
Better distinguishing between possible and known null pointer dereferenciations ( #7157 )
2016-01-30 20:43:40 +01:00
5e10e680da
CWE: refactoring. use constants instead of magic numbers.
2016-01-25 20:01:48 +01:00
5ce69da02d
Mapped 26 errors to their CWEs ID.
2016-01-24 20:53:05 +00:00
4a3ece5847
CheckNullPointer: Fix FP for 'buf[p]' when p is NULL
2016-01-20 08:42:58 +01:00
996c9244d8
Update copyright year to 2007-2016.
2016-01-01 15:34:45 +02:00
f762affea0
Small refactoring: replace NULL by nullptr, remove redundant static keyword, Tokenizer::setVarId() uses const variable 'notstart'
2015-11-30 22:13:49 +01:00
e8522c7883
Small refactorizations:
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- #include cleanup
- Use std::array instead of std::vector
- Do not create a stringstream to concatenate 4 strings
- Use std::cout instead of printf
2015-11-29 10:56:44 +01:00
0f9d90d2be
Changed Copyrights. Removed my name.
2015-11-18 20:04:50 +01:00
1fd9ba0cc4
Fixed #6988 (incorrect nullPointer error for string)
2015-09-13 10:53:05 +02:00
ab8afec3eb
Refactorizations:
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- Avoid unnecessary loop iterations
- Avoid unnecessary condition checking
- Reduced code duplication in symboldatabase.cpp
2015-08-16 14:23:07 +02:00
4d80df2f4a
Added pointer to Type to Token (similar to Token::Variable() and Token::function()):
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- Accessible via Token::type()
- Renamed former Token::type() to Token::tokType()
- Removed SymbolDatabase::isClassOrStruct()
2015-08-15 11:19:21 +02:00
6790d91fbb
Improve error messages for conditional values. make valueFlowSwitchVariable values conditional that depend on the case. Partial fix for #6884 .
2015-07-29 19:54:57 +02:00
d45021673e
Assign different IDs for different nullPointer messages ( #6166 )
2015-07-23 14:53:18 +02:00
40d7baa6bb
Fix more (potential) multi-threading issues by moving static local vars (non-POD-type) to file scope
2015-06-13 16:22:43 +02:00
f0bc300198
#6510 False positive performance warning for std::list::size(). Fix this and other similar false positives. Refactoring of Variable::isStlType(), use fail-safe std::set instead of plain array. Run astyle
2015-05-17 20:02:41 +02:00
88f59ad7e8
Partial fix for #6656 (Allow that CWE is mapped for error message)
2015-04-25 17:48:11 +02:00
bdc024bd7c
Fixed 6634 (false positive: dereferencing null pointer in a sizeof operation)
2015-04-20 13:46:02 +02:00
42f0955e3f
Move more setting checks out of loops and use const bools instead. Reorder a few related checks.
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Follow up to eedcb6abcb
2015-04-10 14:31:19 +02:00
eedcb6abcb
move setting flags checks out of for loops, make them const.
2015-04-07 07:23:28 +02:00
7fdbb91694
don't print warning message if --enable=warning is not specified.
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message was of type:
(warning) Possible null pointer dereference: previous - otherwise it is redundant to check it against null.
2015-04-06 15:05:34 +02:00
fd6bd97972
Fixed #6495 (Improve check: uninitialized variable, 3rd function argument)
2015-03-14 19:23:33 +01:00
451a277b18
Refactorization: Support function default values in ValueFlow, removed now obsolete CheckNullPointer::nullPointerDefaultArgument().
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-> Use valueFlowForward() to parse values passed to functions
-> valueFlowForward(): Set value in first occurrence of a variable in a condition
2015-02-01 15:15:00 +01:00
b2835051df
Refactorization: Renamed Token::Match pattern %var% to %name%, implement new pattern %var% which is true if varId > 0.
2015-01-31 12:32:04 +01:00
332254e0af
Make patterns compilable (mini refactoring)
2015-01-09 23:43:45 +01:00
6a8293a8b7
Library: More strict matching of functions
2015-01-08 19:31:41 +01:00
ba1c24ee65
Fixed #6422 (symbol database: put function flags into a single flag variable)
2015-01-08 05:45:31 +01:00
fe8d04e840
CheckNullPointer: Fix FP when x is NULL and address is calculated with expression '&x->y.z[0]'
2015-01-05 14:54:24 +01:00
ff11ba9847
Updated copyright year to 2015
2015-01-03 12:14:58 +01:00
c4fd8919a2
Fixed #6014 : Added plausibility check before issuing null pointer messages on function calls defined in library
2015-01-02 13:35:39 +01:00
8b59c39c42
Refactorization: Removed whitespaces at the end of Token::Match patterns
2014-12-27 11:09:54 +01:00
079f495455
Added missing relational operators to pattern, as suggested in #6189
2014-10-16 20:37:21 +02:00
a99fd364ef
Restored functionality to detect std::string(0) calls as null pointer dereferences ( #6189 )
2014-10-16 19:12:02 +02:00
21c85118d6
#6189 assign with operator= a '\0' to a std::string is not an error
2014-09-26 20:40:44 +02:00
a2b30c7801
Detect -> accesses on uninitialized pointers
2014-09-12 10:19:00 +04:00
f7824bfd00
CheckNullPointer::isPointerDeRef: Improve handling of static member variables and functions
2014-09-09 05:36:09 +02:00
e8f7279039
Refactorization: Moved detection of STL strings to SymbolDatabase
2014-09-05 12:03:08 +02:00
5483c8ed5e
Removed obsolete function from checkNullPointer
2014-08-18 11:42:50 +02:00
76510e0006
null pointer: perform proper null pointer checking when no --enable=warning is given.
2014-08-16 12:48:20 +02:00
0ddd7752b5
Avoid crash reported in #5943 (using the example from duplicate ticket #5971 )
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Replace a few size_t/unsigned int by std::size_t
2014-07-06 14:48:24 +02:00
ac4e727da7
Removed redundant code (replaced by libaries, should fix #5934 ).
2014-06-24 21:57:19 +02:00
f78cbda2db
Refactoring: Removed CheckNullPointer::nullPointerByCheckAndDeRef and implemented needed analysis in ValueFlow instead.
2014-06-22 10:02:14 +02:00
9dd4ac68c0
Refactorization in CheckNullPointer:
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- Use AST to detect dereferences
- Added more unit tests
- Removed handling of unknown constructs in CheckNullPointer::isPointerDeRef()
Added link to verbose message cstyleCast.
2014-05-22 19:48:00 +02:00
ac8d283afb
Fixed CID 1214638: Dereference before null check (REVERSE_INULL).
2014-05-12 17:18:51 +02:00
91e7116de1
Fix regression from first attempt fixing #5811 ( 9dce9bddcb)
2014-05-17 19:14:29 +02:00
9dce9bddcb
#5811 false postive: (error) Null pointer dereference
2014-05-17 18:18:20 +02:00
Rikard Falkeborn
Daniel Marjamäki
ivangalkin
Paul Fultz II
PKEuS
jrp2014
Oleksandr Redko
Ayaz Salikhov
orbitcowboy
Ayaz Salikhov
Alexander Mai
PKEuS
Roberto Martelloni
Matthias Krüger
orbitcowboy
Dmitry-Me
Lauri Nurmi
Frank Zingsheim
Thomas Jarosch
Robert Reif
PKEuS