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
Daniel Marjamäki
Oleksandr Redko
Ayaz Salikhov
orbitcowboy
Ayaz Salikhov
Alexander Mai
PKEuS
Roberto Martelloni
Matthias Krüger
orbitcowboy
Dmitry-Me
PKEuS
Lauri Nurmi
Frank Zingsheim
Thomas Jarosch
Robert Reif