PKEuS
990d14f3e2
Fixed #6328 : Use isAttributeNoreturn() whereever we also check Library::isnoreturn().
2014-12-27 11:07:36 +01:00
Daniel Marjamäki
0c086cf247
Incomplete statement: tweaked bailout for '0;' statement using isExpandedMacro()
2014-12-24 21:47:37 +01:00
Daniel Marjamäki
90bd38a972
Renamed isCasted to isCast
2014-12-24 10:35:40 +01:00
Daniel Marjamäki
de1a91f30d
Incomplete statement: tweaked bailout for '(void*)0' using isCasted()
2014-12-23 18:19:33 +01:00
Thomas Jarosch
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
Daniel Marjamäki
293dc1efc7
Fixed #6327 (Unwanted constStatement on (void)0)
2014-12-21 13:42:21 +01:00
Dmitry-Me
c0d2933ec7
Reorder checks to avoid redundant actions
2014-11-30 16:14:53 +03:00
PKEuS
4163f1e122
Fixed #6260 - C++11 style array initialization
2014-11-18 19:50:09 +01:00
Dmitry-Me
353b885948
CheckOther::invalidPointerCast: Incorrect interpretation of settings
2014-11-14 20:22:17 +01:00
Dmitry-Me
fefb0ca912
Reuse previously computed values
2014-11-14 13:24:56 +03:00
Dmitry-Me
cb9a6c1cb5
Don't show warning for same expressions alongside == in static_assert
2014-11-13 16:04:34 +01:00
Frank Zingsheim
7e0fc3d481
Fixed #6252 (False positive "freed twice")
...
--HG--
extra : rebase_source : 24f801452fbefa3a59ab2cca62c3cf02aea513b6
2014-11-03 21:24:34 +01:00
PKEuS
662283cab8
Refactorization: Avoid iterations over whole token list, limited several checks to function scopes.
2014-10-31 11:42:54 +01:00
PKEuS
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
PKEuS
b7996bd0b0
Handle overloads and custom implementations of functions checkReturnIgnoredReturnValue() to avoid false positives
2014-10-30 21:26:32 +01:00
Daniel Marjamäki
0a1a34b9b7
Fixed Cppcheck warning, possible null pointer dereference of tok.
2014-10-18 10:59:48 +02:00
Samuel Degrande
96e8b83bf8
Fixed newline in verbose message
2014-10-16 09:08:39 +02:00
orbitcowboy
5a4526e997
Fixed typos in comments, no functional changes.
2014-10-02 04:39:41 +02:00
PKEuS
374ea8f039
Fixed false positive ignoredReturnValue on unknown member function log() ( #6197 )
2014-09-29 19:55:32 +02:00
Martin Ettl
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
PKEuS
1495a411eb
Fixed false positive ignoredReturnValue for variables initialized with constructor syntax ( #6194 )
2014-09-29 10:15:29 +02:00
PKEuS
03b1afc28c
Loops over all varIds should start at 1.
2014-09-28 09:47:11 +02:00
PKEuS
210294443e
New check: Check for unused return values ( #653 )
2014-09-27 21:31:04 +02:00
PKEuS
cafddcb109
Fixed wrong function log10 being recommended instead of log1p
2014-09-14 13:36:12 +02:00
Daniel Marjamäki
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
PKEuS
6f92557478
Use information about pure/leak-ignore from library to improve accuracy of several bailouts
2014-09-11 20:27:07 +02:00
PKEuS
c1b0bfe4ee
Simplified code
2014-09-11 20:27:01 +02:00
PKEuS
fb0d145b34
Don't show inconclusive message redundantCopyLocalConst if --inconclusive is not set.
...
Ran AStyle
2014-09-11 19:45:52 +02:00
Daniel Marjamäki
7847263451
Fixed #6158 (New check: dangerous sign conversion)
2014-09-11 18:10:19 +02:00
PKEuS
865fc9aa67
Fixed #6154 : Don't suggest to reduce scope if inner scope is a lambda.
2014-09-10 20:56:34 +02:00
Daniel Marjamäki
a46f5c00a8
Minor tweaks for new CheckOther::checkIntegerOverflow checker
2014-09-10 17:26:20 +02:00
Daniel Marjamäki
974c8688c3
Fixed #1751 (Undefined Behavior: Signed integer overflow)
2014-09-10 17:02:18 +02:00
Daniel Marjamäki
a36b0e55be
CheckOther::checkTooBigBitwiseShift: improving error messages
2014-09-09 17:06:45 +02:00
Daniel Marjamäki
f111a89639
Fixed #1757 (Undefined Behavior: Shift too many bits)
2014-09-09 07:24:59 +02:00
Martin Ettl
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
PKEuS
301b668eb5
Fixed internal warning of cppcheck
2014-09-07 11:47:40 +02:00
PKEuS
ff4fc6a234
New check: Recommend expm1, log1p, erfc ( #5392 )
2014-09-07 11:38:49 +02:00
Alexander Mai
efab840b50
#5230 Explicit reinterpret_cast should not give a warning. Lower all invalidPointerCast messages to 'portability'
2014-09-06 13:09:02 +02:00
Alexander Mai
29b46cb505
#6132 crash: daca: kvirc CheckOther::checkRedundantAssignment()
2014-09-05 20:03:34 +02:00
PKEuS
e8f7279039
Refactorization: Moved detection of STL strings to SymbolDatabase
2014-09-05 12:03:08 +02:00
PKEuS
800b57d87e
Merge pull request #415 from Dmitry-Me/reducePatternsDuplication
...
Reduce patterns duplication
2014-09-04 07:46:59 +02:00
Alexander Mai
45dc4ca6be
Fix compiler warning. Re-order if-expression for performance reasons
2014-09-02 19:18:30 +02:00
Dmitry-Me
46d24c7bfb
Reduce patterns duplication
2014-09-02 19:51:22 +04:00
PKEuS
ddc19febb5
Merge pull request #413 from Dmitry-Me/improveCStyleCastsDetection
...
Improve C style casts detection
2014-09-02 08:07:53 +02:00
PKEuS
428f7a6f26
Attempt to fix crashs on clang test suite.
2014-09-01 23:29:15 +02:00
PKEuS
00044aabb0
Handle ternary operator in redundantAssignment check ( #5964 )
2014-09-01 23:16:52 +02:00
Alexander Mai
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
Dmitry-Me
f937dde1e0
Improve C style casts detection
2014-09-01 16:40:28 +04:00
PKEuS
c92230dfee
Fixed crash on garbage code introduced by recent commit.
2014-09-01 12:41:30 +02:00
PKEuS
20a066bb14
Run unreachableCode checking only on executable scopes ( #5789 )
2014-09-01 11:29:39 +02:00
PKEuS
b5e064e737
Fixed unreachableCode message if a lambda is returned ( #6008 ).
2014-09-01 11:10:42 +02:00
PKEuS
353a9e9a64
Bailout for duplicateBranch check if branches are empty ( #5354 )
2014-09-01 10:19:14 +02:00
PKEuS
e9fdfc6cd0
Fix on checking side for #6099
2014-08-30 11:18:48 +02:00
PKEuS
06a92e8981
Moved several condition checks from checkOther to checkCondition (former checkAssignIf)
2014-08-29 17:06:46 +02:00
PKEuS
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
PKEuS
7f2be2f57c
Fixed template bracket linkage in while loop simplification
...
Ran AStyle
2014-08-23 12:28:54 +02:00
amai2012
976966fe81
#5639 String literal compared with char buffer in a struct.
2014-08-23 09:41:40 +02:00
PKEuS
0bf7b03f96
Refactorization: Support :: in some places in checkother.cpp
2014-08-18 10:25:30 +02:00
Daniel Marjamäki
d44d6ad94a
incorrect logic operator: fixed crashes
2014-08-18 05:37:07 +02:00
Daniel Marjamäki
ebc0b6cd44
astIsFloat: Fix crash when there is no second operand for '.'
2014-08-17 14:28:31 +02:00
Daniel Marjamäki
f7f44f24c7
Fixed #5132 (False negative: incorrectLogicOperator in simple if-clause)
2014-08-17 14:04:40 +02:00
Daniel Marjamäki
364c975701
Fixed #5557 (astIsFloat: better handling of '.')
2014-08-15 16:48:53 +02:00
PKEuS
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
PKEuS
c3577bc8dd
Fixed crash, simplified code in testassert.cpp
2014-08-06 12:24:21 +02:00
PKEuS
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
PKEuS
4a3d719386
Fixed recently introduced FP when C-Style casting nullpointers
2014-08-04 11:42:14 +02:00
PKEuS
4c80ca4e8e
Improved cstyleCast check:
...
- Detect casting of literals
- Check initializer lists (#3630 )
2014-08-04 11:21:25 +02:00
Daniel Marjamäki
8a1c5d6fce
Fixed #6011 (crash: libreoffice/binfilter svt_enhwmf.cxx)
2014-07-28 16:33:42 +02:00
Daniel Marjamäki
fdfea717c6
Suspicious string comparison: Refactoring using AST. Fixed FP in Lac.
2014-07-28 14:27:35 +02:00
Daniel Marjamäki
76020d2ad0
astIsFloat: expression 'floatvar ? 0x40 : 0' is not float
2014-07-26 09:09:58 +02:00
Dmitry-Me
07c120f1af
Cache option flags and check them first.
2014-07-23 17:06:27 +04:00
Daniel Marjamäki
2cc31acabb
Fixed #5922 (FP: passedByValue for std::string::value_type)
2014-07-18 15:51:59 +02:00
Daniel Marjamäki
bf5b4d9ece
astyle formatting
...
[ci skip]
2014-07-14 14:38:40 +02:00
Dmitry-Me
9829e0b48a
Clearer variable names, fix typo in comment.
2014-07-11 11:33:09 +04:00
Dmitry-Me
ba3757dfd3
Bring variables decalaration to where they are really needed.
2014-07-10 11:23:14 +04:00
Daniel Marjamäki
d40b77dce2
Removed special 'else if' handling. this is redundant since these are simplified.
2014-07-02 16:16:19 +02:00
Daniel Marjamäki
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
Daniel Marjamäki
41baffdda1
Fixed #5850 (Wrong Message on self assignment)
2014-06-28 15:26:22 +02:00
orbitcowboy
16352ca674
Reverted fix 6d0f490138
, but keeping the testcase in the testsuite.
2014-06-06 14:44:22 +02:00
orbitcowboy
6d0f490138
#5895 - Fixed potential signed integer overflow in Checkother:getvalue. Added regression test.
2014-06-05 16:41:10 +02:00
orbitcowboy
e9144d1a78
Fixed #5890 - crash: wesnoth desktop_util.cpp / unicode.hpp.
2014-05-29 02:58:18 +02:00
Daniel Marjamäki
66ad3c97b9
Fixed #5857 (strPlusChar: Crash on invalid code 'int+;')
2014-05-31 10:34:00 +02:00
Daniel Marjamäki
70b4c945de
Fixed #5874 (False positive: 'opposite conditions in nested if' with arrays)
2014-05-30 19:19:24 +02:00
Daniel Marjamäki
bc2ba1706b
cleanup redundant valueflow check. if there are no values the getValue will return NULL.
2014-05-28 21:03:16 +02:00
PKEuS
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
PKEuS
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
orbitcowboy
85496cfadc
Fixed CID 1192595: Dereference null return value in checkother.
2014-05-23 18:11:44 +02:00
PKEuS
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
PKEuS
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
PKEuS
f1c303d399
Fixed recently introduced verbose message for cstyleCast
...
[ci skip]
2014-05-22 15:46:28 +02:00
PKEuS
35528ca708
Added verbose message for "C-style pointer casting" ( #4140 )
2014-05-22 08:57:45 +02:00
PKEuS
4cad064c3c
Fixed false positive on C code introduced by last commit
2014-05-21 20:36:19 +02:00
PKEuS
d19eabde42
New Check: Compare pointer with '\0' ( #4070 )
2014-05-21 19:12:07 +02:00
PKEuS
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
PKEuS
48c3d02fc3
Fixed false positives and false negatives in 'oppositeInnerCondition' (among others: #5808 )
2014-05-21 14:38:41 +02:00
PKEuS
5fbd58d98d
Fixed messages of CheckInternal, fixed a false positive.
2014-05-18 20:39:52 +02:00
PKEuS
e713ad45cb
Refactorizations:
...
- Simplified pattern ".|->" to "."
- Use nextArgument() where appropriate
2014-05-18 17:07:21 +02:00
PKEuS
780719665f
Fixed crash when checking tinyxml introduced by previous commit
2014-05-18 13:40:49 +02:00
PKEuS
20753f4697
Refactorization: Use AST in CheckOther::checkRedundantCopy(), CheckOther::clarifyStatement() and CheckPostfixOperator::postfixOperator().
2014-05-18 13:00:58 +02:00
Daniel Marjamäki
7ecdb30308
Fixed #5771 (false positive: (warning) When using 'char' variables in bit operations, sign extension can generate unexpected results.)
2014-05-13 15:53:31 +02:00
PKEuS
70dfb55f21
Simplified some Token::Match patterns
2014-05-11 17:50:58 +02:00
Daniel Marjamäki
827cfac91e
Refactoring of CheckOther::checkModuloAlwaysTrueFalse using AST
2014-05-10 20:49:29 +02:00
PKEuS
c0fc47643f
Fixed false positive #5772 : Use AST to check if modulo operation is preceded by an arithmetical operation.
2014-05-09 21:58:28 +02:00
Daniel Marjamäki
cb43bee10d
Same expression: don't warn for same expressions when there is assignment
2014-05-09 06:16:27 +02:00
Daniel Marjamäki
b354de6b23
Fixed #5750 (FP:Opposite conditions in nested 'if' blocks lead to a dead code block)
2014-05-06 16:15:12 +02:00
Alexander Mai
d3e8bbdc51
#5618 False positive: (performance) Use const reference for 'temp' to avoid unnecessary data copying. - redundantCopyLocalConst/CheckOther::checkRedundantCopy() is prone to false positives. As a quick fix that check becomes inconclusive.
2014-05-02 20:09:38 +02:00
orbitcowboy
a6af8f5dcf
#5748 : Fixed FP (wrongmathcall) do not warn if an object calls a function foo.log(0).
2014-04-23 01:23:38 +02:00
Daniel Marjamäki
fc24d491cc
Fixed #5560 (false positive: C-style pointer casting)
2014-04-29 06:21:30 +02:00
PKEuS
866ab1ce14
Fixed false positive #5689 : Care about usage of return values of memory functions
2014-04-27 12:18:33 +02:00
Daniel Marjamäki
bde6698bcd
Fixed #5731 (False positive with opposite conditions)
2014-04-27 10:21:20 +02:00
Daniel Marjamäki
7317785e32
astyle formatting
...
[ci skip]
2014-04-27 10:20:21 +02:00
Alexander Mai
17ec0af6a7
#5734 A FP literalWithCharPtrCompare was issued upon comparison with a char referenced within a string literal
2014-04-27 09:40:13 +02:00
Daniel Marjamäki
d144197d7e
Fixed segfault
2014-04-23 19:49:16 +02:00
Daniel Marjamäki
272fcc18d8
Don't warn about redundant number statement in '({ do_something(); 0; })'
2014-04-23 16:23:19 +02:00
Frank Zingsheim
87354bf9d2
Fixed #5707 (false negative: unreachable code is not detected (code after return))
2014-04-23 07:58:43 +02:00
Daniel Marjamäki
3c5cf299e3
Fixed #5708 (Improve oppositeInnerCondition)
2014-04-23 07:57:13 +02:00
Alexander Mai
ccba934cb1
#5684 The scope of the variable 'p' can be reduced - But it can not.
2014-04-17 21:32:56 +02:00
Daniel Marjamäki
8d5a9893d5
Fixed #5682 (False positive: (style) Same expression on both sides of '&&')
2014-04-16 16:04:46 +02:00
PKEuS
076f7a7542
Fixed some coverity findings about dead code, fixed a misleading comment
2014-04-14 22:46:51 +02:00
Philipp Kloke
dfd9d32c4b
Refactorization: Removed whitespaces at the end of a token
...
Removed a redundant 'void'
2014-04-12 23:41:46 +02:00
Philipp Kloke
ddf34440b6
Refactorization: Replaced several Token::findmatch calls by symboldatabase usage
2014-04-12 23:41:46 +02:00
PKEuS
7ffc313748
Save "->" in Token::originalName if simplified to "."; Fix false positive #4890 .
2014-04-12 12:04:56 +02:00
Philipp Kloke
1fafc7f4dc
Refactorization: use MathLib::isNullValue in CheckOther::checkMemsetInvalid2ndParam(); Fixed it to support also float literals like "0.f"
2014-04-11 14:17:36 +02:00
Philipp Kloke
cf30fab413
Refactorized inefficient usage of Token::findmatch in two checks in checkother.cpp
2014-04-11 14:17:35 +02:00
Philipp Kloke
20c3a5baf0
Refactorized switchCaseFallThrough: Removed lots of obsolete code
2014-04-11 14:17:35 +02:00
PKEuS
c33498fa0b
Fixed false positive redundantAssignment when operator() is called ( #5568 )
2014-04-10 21:56:30 +02:00
Daniel Marjamäki
0788e64eb8
Removed unused function expressionsHasSideEffects()
2014-04-04 07:04:19 +02:00
Daniel Marjamäki
8dcb3bae47
Refactoring checks of overlapping conditions in if and else-if
2014-04-03 19:35:50 +02:00
Daniel Marjamäki
1a83338faf
Refactoring. Created utility function isOppositeCond()
2014-04-03 17:08:42 +02:00
Daniel Marjamäki
110f956029
code cleanup for invertOperatorForOperandSwap()
2014-04-03 16:22:07 +02:00
Daniel Marjamäki
ffac614f7e
Fix Cppcheck warning. Use reference to avoid redundant data-copy
2014-04-03 16:16:39 +02:00
Daniel Marjamäki
9f80f3a4e8
Small cleanups in the code
2014-04-03 06:37:02 +02:00
Daniel Marjamäki
a115bbbbb5
Refactoring CheckOther::checkCharVariable() using AST
2014-04-03 06:27:29 +02:00
Daniel Marjamäki
bc9bb17025
Refactor CheckOther::oppositeInnerCondition() using AST and isSameExpression()
2014-04-02 16:54:01 +02:00
Daniel Marjamäki
3c64c70ce2
ValueFlow: Added utility functions getValueLE and getValueGE to simplify usage
2014-04-02 06:49:28 +02:00
Daniel Marjamäki
f4cdb2c46a
CheckOther::checkCharVariable: Refactoring using AST
2014-04-01 19:16:06 +02:00
Daniel Marjamäki
348c26f59c
fixed segmentation fault in case typeStartToken() returns 0
2014-03-29 21:01:21 +01:00
Daniel Marjamäki
efc84ac310
Fix segmentation fault when checking build/tokenize.cpp
2014-03-29 20:41:17 +01:00
Daniel Marjamäki
407c9fdf9d
Refactored checkNegativeBitwiseShift() so it uses ast and valueflow
2014-03-29 13:01:30 +01:00
Daniel Marjamäki
502ba95383
Simplification. Code 'else if ..' is simplified to 'else { if ..'
2014-03-28 18:21:56 +01:00
PKEuS
50a94885ce
Fixed oppositeInnerCondition check:
...
- Resolved false positives #4170 and #4186 , as well as numerous other potential false positives
- Improved message to point to both locations
- Inner condition could also be a while loop; Outer if could also be 'else if'
- Made the check non-experimental again (#3645 )
2014-03-28 14:55:17 +01:00
PKEuS
e8c7a723f5
Fixed five new true positives in cppcheck, silenced one new false positive (see #5618 )
2014-03-27 15:50:30 +01:00
PKEuS
b23aebf2f0
Show redundantCopyLocalConst for STL types ( #4331 )
2014-03-27 11:15:17 +01:00
PKEuS
5083dd4273
Fixed two visual studio warnings
2014-03-24 18:14:23 +01:00
PKEuS
8d5be8c4a4
Fixed related issues to #5601
2014-03-22 22:35:20 +01:00
PKEuS
58c2f372b9
Fixed false positive when noreturn function is defined ( #5601 , second attempt)
2014-03-22 19:55:13 +01:00
PKEuS
77c871035b
Fixed false positive when noreturn function is defined ( #5601 )
2014-03-22 18:57:19 +01:00
Daniel Marjamäki
7d2357de8d
Refactoring. Use astIsFloat()
2014-03-22 18:42:29 +01:00
Daniel Marjamäki
54e7f34f4a
Fixed #5584 (FP: Division by zero when function not declared)
2014-03-20 16:12:58 +01:00
PKEuS
2568baa473
#5528 : Raise duplicateExpressionError on operators /, % and -.
2014-03-17 18:35:36 +01:00