96c3c111fc
Refactoring: Move some AST related functions to distinct source file
2015-08-02 21:57:32 +02:00
965a034afd
Fix some more false positives on zerodiv: error should be issued if type of epxression is known to be integral
2015-08-01 18:42:17 +02:00
f91ad9bbf6
5402 false positive: (error) Division by zero -- with boost::format
2015-08-01 17:28:54 +02:00
503fb485cf
Removed hardcoding of functions from checkZeroDivision
2015-07-30 13:48:51 +02:00
594d30f7ae
Fix Cppcheck warning about unused variable
2015-07-29 20:26:00 +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
738057229c
Improved astIsFloat(): Handle function calls and sizeof, fixed ordering of checks
...
Handle sizeof in isSameExpression() (#6851 )
2015-07-29 14:28:24 +02:00
389aec51ae
Fixed #6598 (False positive zerodivcond - cast to double ignored)
2015-07-26 22:08:36 +02:00
75f922e799
cleanup checkother
2015-07-22 18:48:43 +02:00
0dd008e068
Fixed Cppcheck warning about possible null pointer dereference
2015-07-08 16:06:35 +02:00
5a9328f26a
Fixed Cppcheck warning about possible null pointer dereference
2015-07-08 13:41:27 +02:00
56e90f95d9
Corrections for non-Microsoft compilers
2015-06-28 12:34:08 +02:00
649a89d308
Refactoring: Expose some previously local functions to public and add Tokenizer as argument to distinguish between C and C++ code (e.g. in isSameExpression).
...
Refactoring: Improve type-safety for TestFixture::assertEquals to allow tests with types which were not handled correctly (e.g. unsigned long long)
2015-06-28 12:08:36 +02:00
99524b1f59
#6780 segmentation fault (invalid code) in Token::multiCompare. Simple fix in CheckOther
2015-06-22 11:12:46 +02:00
4172011e78
Missing update for Makefile. CheckMemoryLeakInFunction::getcode(): skip some C++ token matching in C mode. Minor refactoring
2015-06-20 22:49:28 +02:00
63f39ea48f
Change unusedScopedObject severity from error to style. The checker does not determine that there is ub or wrong behaviour.
2015-06-20 11:22:15 +02:00
13c1c2c035
Refactoring (use const std::set for strings). Omit some matching for C++ stuff within C code.
2015-06-17 22:28:15 +02:00
3986c0dc64
fixed cppcheck warnings
2015-06-10 19:07:04 +02:00
0836bf3d33
astyle formatting
2015-05-27 20:26:26 +02:00
729b240d9c
Refactoring (compiler warnings and a typo)
2015-05-25 23:15:59 +02:00
e28e9be82f
Add TODO testcase for #5738 . Refactoring: add some const
2015-05-25 08:20:14 +02:00
22fbc18fb7
Fixed false positive for *a++ in for-loop condition
...
Moved unit test to testgarbage.cpp
2015-05-07 20:34:57 +02:00
88f59ad7e8
Partial fix for #6656 (Allow that CWE is mapped for error message)
2015-04-25 17:48:11 +02:00
42f0955e3f
Move more setting checks out of loops and use const bools instead. Reorder a few related checks.
...
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
988acf11b4
don't print warning message if --enable=warning is not given.
...
message was of type:
(warning) Passing value 0 to foo() leads to implementation-defined result.
2015-04-06 13:37:27 +02:00
ba423185b8
Omit uneeded checks
2015-04-02 10:26:19 +03:00
d6751a7987
Merge pull request #537 from Dmitry-Me/decouplePatternMatchingFromOtherChecks
...
Decouple pattern matching from other checks
2015-03-15 08:50:59 +01:00
43a19dee8b
Remove unneded deep copy, make reference const
2015-03-14 13:45:21 +03:00
74417699db
Remove redundant break
2015-03-06 18:55:47 +01:00
6646a896f9
Fixed #6446 (FP zerodivcond on double arithmetics)
2015-03-03 15:50:31 +01:00
10b762da98
Decouple pattern matching from other checks
2015-02-27 13:09:06 +03:00
d7365519a5
Cache and reuse value
2015-02-26 11:48:15 +03:00
fb5cc6fded
Fixed #5905 (isSameExpression: comparisons 'a<b' and 'a>b' are same)
2015-02-23 16:38:55 +01:00
5f31242ee8
CheckOther::checkRedundantAssignment(): Bail out on inline assembly ( #6525 )
2015-02-22 12:03:53 +01:00
bae95b4560
Fixed noise in CheckOther::checkLibraryMatchFunctions().
2015-02-21 12:39:02 +01:00
6227abac73
Fixed GCC (testsymboldatabase.cpp) and MSVC (checkother.cpp) warnings
2015-02-18 21:19:36 +01:00
0a6babea74
#6181 Drop redundantGetAndSetUserId. Ensure (style-) warnings are issued if setuid()/getuid() and some related functions are ignored. Move strdupa()/strndupa() from posix.cfg to gnu.cfg
2015-02-16 22:19:51 +01:00
56747e4af9
Reorder checks
2015-02-16 12:11:13 +03:00
5674b3c49d
early break in loop for readability
2015-02-13 16:36:20 +01:00
1f31dd749b
Break loop early
2015-02-04 10:47:58 +03:00
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
0488f45a5f
Removed standalone check CheckOther::checkDoubleFree(), integrated (most of) the functionality into CheckLeakAutoVar. Added support for new/delete to checkLeakAutoVar.
2015-01-28 17:38:43 +01:00
3285f85ebf
Fixed #6460 (Library: better function/type matching)
2015-01-27 17:55:18 +01:00
58cb6cc116
Add new "style" check to catch redundant pointer operations
...
Doing "&*some_ptr_var" is redundant and might be the remainder
of a refactoring. Warnings for expanded macros are excluded though:
They are often used with and without pointers and
do something like this: "func(&(*macroarg))".
The new check is fully AST based and was given
strong false positive testing on a large code base.
2015-01-18 00:34:07 +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
fb685f096a
CheckOther:checkNegativeBitwiseShift: Fix FP when shift is protected by ?:
2015-01-05 10:01:04 +01:00
267552779d
Improved check ( #6391 ): Detect identical code in both branches of ternary operator
2015-01-03 18:01:49 +01:00
ff11ba9847
Updated copyright year to 2015
2015-01-03 12:14:58 +01:00
a3fbc5aee5
Refactorization: Avoid stringification of second branch if first branch was empty in CheckOther::checkDuplicateBranch()
2015-01-02 11:24:28 +01:00
9e8a66ee40
Fixed #6373 : Support bitops in clarifyCalculation check
2014-12-30 17:55:29 +01:00
990d14f3e2
Fixed #6328 : Use isAttributeNoreturn() whereever we also check Library::isnoreturn().
2014-12-27 11:07:36 +01:00
0c086cf247
Incomplete statement: tweaked bailout for '0;' statement using isExpandedMacro()
2014-12-24 21:47:37 +01:00
90bd38a972
Renamed isCasted to isCast
2014-12-24 10:35:40 +01:00
de1a91f30d
Incomplete statement: tweaked bailout for '(void*)0' using isCasted()
2014-12-23 18:19:33 +01:00
d5e10c18d3
checkUnreachableCode(): fix FP for statements that just hide compiler warnings about unused function arguments
...
Seen throughout the rockbox codebase.
2014-12-22 11:18:23 +01:00
293dc1efc7
Fixed #6327 (Unwanted constStatement on (void)0)
2014-12-21 13:42:21 +01:00
c0d2933ec7
Reorder checks to avoid redundant actions
2014-11-30 16:14:53 +03:00
4163f1e122
Fixed #6260 - C++11 style array initialization
2014-11-18 19:50:09 +01:00
353b885948
CheckOther::invalidPointerCast: Incorrect interpretation of settings
2014-11-14 20:22:17 +01:00
fefb0ca912
Reuse previously computed values
2014-11-14 13:24:56 +03:00
cb9a6c1cb5
Don't show warning for same expressions alongside == in static_assert
2014-11-13 16:04:34 +01:00
7e0fc3d481
Fixed #6252 (False positive "freed twice")
...
--HG--
extra : rebase_source : 24f801452fbefa3a59ab2cca62c3cf02aea513b6
2014-11-03 21:24:34 +01:00
662283cab8
Refactorization: Avoid iterations over whole token list, limited several checks to function scopes.
2014-10-31 11:42:54 +01:00
b5ea677180
Some fixes for CheckOther::checkIgnoredReturnValue():
...
- Fixed name of the function
- Fixed false positive for code like "class strcmp { strcmp() {} };"
- Fixed FP #6233 on checking side (no AST generated for function call)
2014-10-30 23:24:13 +01:00
b7996bd0b0
Handle overloads and custom implementations of functions checkReturnIgnoredReturnValue() to avoid false positives
2014-10-30 21:26:32 +01:00
0a1a34b9b7
Fixed Cppcheck warning, possible null pointer dereference of tok.
2014-10-18 10:59:48 +02:00
96e8b83bf8
Fixed newline in verbose message
2014-10-16 09:08:39 +02:00
5a4526e997
Fixed typos in comments, no functional changes.
2014-10-02 04:39:41 +02:00
374ea8f039
Fixed false positive ignoredReturnValue on unknown member function log() ( #6197 )
2014-09-29 19:55:32 +02:00
a7c870bdc8
Fixed crash on garbage code in CheckOther::checkVariableScope(). The corresponding backtrace is hosted at https://github.com/orbitcowboy/cppcheck_crash_files/blob/master/crash223.cpp
2014-09-29 19:44:25 +02:00
1495a411eb
Fixed false positive ignoredReturnValue for variables initialized with constructor syntax ( #6194 )
2014-09-29 10:15:29 +02:00
03b1afc28c
Loops over all varIds should start at 1.
2014-09-28 09:47:11 +02:00
210294443e
New check: Check for unused return values ( #653 )
2014-09-27 21:31:04 +02:00
cafddcb109
Fixed wrong function log10 being recommended instead of log1p
2014-09-14 13:36:12 +02:00
0e55f12140
Fixed #6165 (Remove old checkUnsignedDivision checker that uses neither AST nor ValueFlow. The CheckType::checkSignConversion should be much more accurate)
2014-09-12 16:59:16 +02:00
6f92557478
Use information about pure/leak-ignore from library to improve accuracy of several bailouts
2014-09-11 20:27:07 +02:00
c1b0bfe4ee
Simplified code
2014-09-11 20:27:01 +02:00
fb0d145b34
Don't show inconclusive message redundantCopyLocalConst if --inconclusive is not set.
...
Ran AStyle
2014-09-11 19:45:52 +02:00
7847263451
Fixed #6158 (New check: dangerous sign conversion)
2014-09-11 18:10:19 +02:00
865fc9aa67
Fixed #6154 : Don't suggest to reduce scope if inner scope is a lambda.
2014-09-10 20:56:34 +02:00
a46f5c00a8
Minor tweaks for new CheckOther::checkIntegerOverflow checker
2014-09-10 17:26:20 +02:00
974c8688c3
Fixed #1751 (Undefined Behavior: Signed integer overflow)
2014-09-10 17:02:18 +02:00
a36b0e55be
CheckOther::checkTooBigBitwiseShift: improving error messages
2014-09-09 17:06:45 +02:00
f111a89639
Fixed #1757 (Undefined Behavior: Shift too many bits)
2014-09-09 07:24:59 +02:00
0ced0c33e5
Fixed #6149 : (gcc) warning: comparing floating point with == or != is unsafe. Using Tokenizer::isOneNumber function to compare a floating point number being 1.0.
2014-09-08 20:02:04 +02:00
301b668eb5
Fixed internal warning of cppcheck
2014-09-07 11:47:40 +02:00
ff4fc6a234
New check: Recommend expm1, log1p, erfc ( #5392 )
2014-09-07 11:38:49 +02:00
efab840b50
#5230 Explicit reinterpret_cast should not give a warning. Lower all invalidPointerCast messages to 'portability'
2014-09-06 13:09:02 +02:00
29b46cb505
#6132 crash: daca: kvirc CheckOther::checkRedundantAssignment()
2014-09-05 20:03:34 +02:00
e8f7279039
Refactorization: Moved detection of STL strings to SymbolDatabase
2014-09-05 12:03:08 +02:00
800b57d87e
Merge pull request #415 from Dmitry-Me/reducePatternsDuplication
...
Reduce patterns duplication
2014-09-04 07:46:59 +02:00
45dc4ca6be
Fix compiler warning. Re-order if-expression for performance reasons
2014-09-02 19:18:30 +02:00
46d24c7bfb
Reduce patterns duplication
2014-09-02 19:51:22 +04:00
ddc19febb5
Merge pull request #413 from Dmitry-Me/improveCStyleCastsDetection
...
Improve C style casts detection
2014-09-02 08:07:53 +02:00
428f7a6f26
Attempt to fix crashs on clang test suite.
2014-09-01 23:29:15 +02:00
00044aabb0
Handle ternary operator in redundantAssignment check ( #5964 )
2014-09-01 23:16:52 +02:00
a4ff30301a
#5805 'Passing value -1.0 to sqrt() leads to undefined result' is incorrect. Degrade wrongmathcall from error to warning, since it deals with implementation-defined behaviour
2014-09-01 19:31:32 +02:00
f937dde1e0
Improve C style casts detection
2014-09-01 16:40:28 +04:00
c92230dfee
Fixed crash on garbage code introduced by recent commit.
2014-09-01 12:41:30 +02:00
20a066bb14
Run unreachableCode checking only on executable scopes ( #5789 )
2014-09-01 11:29:39 +02:00
b5e064e737
Fixed unreachableCode message if a lambda is returned ( #6008 ).
2014-09-01 11:10:42 +02:00
353a9e9a64
Bailout for duplicateBranch check if branches are empty ( #5354 )
2014-09-01 10:19:14 +02:00
e9fdfc6cd0
Fix on checking side for #6099
2014-08-30 11:18:48 +02:00
06a92e8981
Moved several condition checks from checkOther to checkCondition (former checkAssignIf)
2014-08-29 17:06:46 +02:00
eba8c6f6c5
Refactorization:
...
- Added missing separating comments between checks in checkother.cpp
- Moved checks related to strings into own file
2014-08-27 09:42:09 +02:00
7f2be2f57c
Fixed template bracket linkage in while loop simplification
...
Ran AStyle
2014-08-23 12:28:54 +02:00
976966fe81
#5639 String literal compared with char buffer in a struct.
2014-08-23 09:41:40 +02:00
0bf7b03f96
Refactorization: Support :: in some places in checkother.cpp
2014-08-18 10:25:30 +02:00
d44d6ad94a
incorrect logic operator: fixed crashes
2014-08-18 05:37:07 +02:00
ebc0b6cd44
astIsFloat: Fix crash when there is no second operand for '.'
2014-08-17 14:28:31 +02:00
f7f44f24c7
Fixed #5132 (False negative: incorrectLogicOperator in simple if-clause)
2014-08-17 14:04:40 +02:00
364c975701
Fixed #5557 (astIsFloat: better handling of '.')
2014-08-15 16:48:53 +02:00
5d302716e7
Refactorized Variable::isIntegralType() and Variable::isFloatType():
...
- Cached property
- Make use of it in several checks
- float* is flagged as floating point type
2014-08-09 11:45:13 +02:00
c3577bc8dd
Fixed crash, simplified code in testassert.cpp
2014-08-06 12:24:21 +02:00
d3a567bf96
Fixed false positive #5824 : Variables that might be used for va_start() must not be passed by reference.
2014-08-06 12:06:36 +02:00
4a3d719386
Fixed recently introduced FP when C-Style casting nullpointers
2014-08-04 11:42:14 +02:00
4c80ca4e8e
Improved cstyleCast check:
...
- Detect casting of literals
- Check initializer lists (#3630 )
2014-08-04 11:21:25 +02:00
8a1c5d6fce
Fixed #6011 (crash: libreoffice/binfilter svt_enhwmf.cxx)
2014-07-28 16:33:42 +02:00
fdfea717c6
Suspicious string comparison: Refactoring using AST. Fixed FP in Lac.
2014-07-28 14:27:35 +02:00
76020d2ad0
astIsFloat: expression 'floatvar ? 0x40 : 0' is not float
2014-07-26 09:09:58 +02:00
07c120f1af
Cache option flags and check them first.
2014-07-23 17:06:27 +04:00
2cc31acabb
Fixed #5922 (FP: passedByValue for std::string::value_type)
2014-07-18 15:51:59 +02:00
bf5b4d9ece
astyle formatting
...
[ci skip]
2014-07-14 14:38:40 +02:00
9829e0b48a
Clearer variable names, fix typo in comment.
2014-07-11 11:33:09 +04:00
ba3757dfd3
Bring variables decalaration to where they are really needed.
2014-07-10 11:23:14 +04:00
d40b77dce2
Removed special 'else if' handling. this is redundant since these are simplified.
2014-07-02 16:16:19 +02:00
5e9e90b1c1
Fixed Token::Match pattern. In x|y|.. patterns, all %cmd% should be placed before plain-text operands.
2014-07-01 15:55:29 +02:00
41baffdda1
Fixed #5850 (Wrong Message on self assignment)
2014-06-28 15:26:22 +02:00
16352ca674
Reverted fix 6d0f490138, but keeping the testcase in the testsuite.
2014-06-06 14:44:22 +02:00
6d0f490138
#5895 - Fixed potential signed integer overflow in Checkother:getvalue. Added regression test.
2014-06-05 16:41:10 +02:00
e9144d1a78
Fixed #5890 - crash: wesnoth desktop_util.cpp / unicode.hpp.
2014-05-29 02:58:18 +02:00
66ad3c97b9
Fixed #5857 (strPlusChar: Crash on invalid code 'int+;')
2014-05-31 10:34:00 +02:00
70b4c945de
Fixed #5874 (False positive: 'opposite conditions in nested if' with arrays)
2014-05-30 19:19:24 +02:00
bc2ba1706b
cleanup redundant valueflow check. if there are no values the getValue will return NULL.
2014-05-28 21:03:16 +02:00
8f79dc3ff8
Cleaned up includes and forward declarations in checkers:
...
- Removed definitely unnecessary forward declarations (e.g. "class Token"; token.h is already included by check.h, so a definition is unnecessary)
- Removed unused includes
2014-05-24 12:50:03 +02:00
b78131cfcf
Improved cast detection in AST:
...
-> Make use of it in checkother.cpp
Use tokenizer simplification instead of reimplementation for test suite
2014-05-24 11:29:32 +02:00
85496cfadc
Fixed CID 1192595: Dereference null return value in checkother.
2014-05-23 18:11:44 +02:00
bc0682d1e9
Enhancements related to duplicate expression checking:
...
- Fixed astIsFloat() for complex expressions
- Enhanced support for commutative operators (#5260 )
2014-05-22 21:46:48 +02:00
9dd4ac68c0
Refactorization in CheckNullPointer:
...
- 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
f1c303d399
Fixed recently introduced verbose message for cstyleCast
...
[ci skip]
2014-05-22 15:46:28 +02:00
35528ca708
Added verbose message for "C-style pointer casting" ( #4140 )
2014-05-22 08:57:45 +02:00
4cad064c3c
Fixed false positive on C code introduced by last commit
2014-05-21 20:36:19 +02:00
d19eabde42
New Check: Compare pointer with '\0' ( #4070 )
2014-05-21 19:12:07 +02:00
cdfed32500
Merged checkSelfAssignment() into checkDuplicateExpression():
...
- Fixed false negatives on self assignments of more complex expressions like "a.b"
- New false negative on self assignment in initialization
- Support this->... pattern in isSameExpression()
- Fixed #5819 : Check type of operands
2014-05-21 18:19:42 +02:00
48c3d02fc3
Fixed false positives and false negatives in 'oppositeInnerCondition' (among others: #5808 )
2014-05-21 14:38:41 +02:00
5fbd58d98d
Fixed messages of CheckInternal, fixed a false positive.
2014-05-18 20:39:52 +02:00
e713ad45cb
Refactorizations:
...
- Simplified pattern ".|->" to "."
- Use nextArgument() where appropriate
2014-05-18 17:07:21 +02:00
780719665f
Fixed crash when checking tinyxml introduced by previous commit
2014-05-18 13:40:49 +02:00
Alexander Mai
Daniel Marjamäki
PKEuS
Matthias Krüger
Dmitry-Me
PKEuS
PKEuS
Thomas Jarosch
Robert Reif
Frank Zingsheim
Samuel Degrande
orbitcowboy
Martin Ettl