a5af5b2d08
Revert "Fixed #7619 (False positive: Redundant assignment)"
...
There is a crash I need to look into.
2018-11-20 06:23:43 +01:00
c899792232
Fixed #7619 (False positive: Redundant assignment)
2018-11-19 21:23:36 +01:00
a8cbbe0e16
Fixed #8816 (FP shadowLocal - variable shadows a template function?)
2018-11-19 07:00:15 +01:00
9ef3c79bc6
Fixed #8851 (Crash in valueFlowContainerForward (daca@home: pbbam))
2018-11-18 20:18:55 +01:00
f2b26a488a
relative paths: another fix for {code}
2018-11-18 16:15:09 +01:00
982f7dc2b3
relative paths: show {code} properly when there are relative paths
2018-11-18 16:08:08 +01:00
7ef119cbfc
Fix FPs in lifetime checker
...
This fixes several FPs in the lifetime checker. It also fixes issue [8846](https://trac.cppcheck.net/ticket/8846 ):
```cpp
int * f(int a[])
{
return a;
}
```
2018-11-17 09:41:59 +01:00
d376e9f245
Track variable lifetime through function calls ( #1481 )
2018-11-16 06:12:28 +01:00
5d086d60ad
Fixed #8844 (snd: Wrong varid and ast)
2018-11-14 21:05:09 +01:00
69f2e0938a
VarId: Improved varids for struct members ( #8844 )
2018-11-14 19:11:35 +01:00
39c04b650d
astyle formatting
...
[ci skip]
2018-11-14 19:10:52 +01:00
69f6100d83
Fixed #8339 (false positive: unread variable despite delete is used on it)
2018-11-14 17:04:21 +01:00
54453c5802
Fix FP when copying pointer to string ( #1479 )
2018-11-14 06:59:25 +01:00
ac242b69d6
Refactoring: Use range for loops
2018-11-14 06:58:21 +01:00
f0c86b9d14
Fix issue 8842: Crash in valueFlowTerminatingCondition on incomplete code ( #1480 )
2018-11-14 06:23:45 +01:00
e839001f3d
Fix warnings ( #1478 )
2018-11-14 06:14:04 +01:00
d97851b9db
change severity for 'unknown macro' to error for now.
2018-11-13 21:08:45 +01:00
152be6df63
Report 'unknown macro' as information message with id unknownMacro
2018-11-13 20:14:56 +01:00
a50eb56d8d
Extend 'Unknown macro' check
2018-11-13 18:30:40 +01:00
e6a5e0f752
Warn when there is a unknown macro
2018-11-13 16:49:15 +01:00
69e7392ce2
Fixed #8449 (False positive 'constStatement' when initializing std::unordered_map)
2018-11-12 18:10:34 +01:00
3d629944da
Fixed #8100 (False positive when method/function defines lambda with pointer return value)
2018-11-12 11:28:38 +01:00
f096d7f474
astyle formatting
...
[ci skip]
2018-11-12 10:08:57 +01:00
0e11bb07c8
Extend lifetime analysis to pointer usage ( #1477 )
...
* Use lifetime analysis for pointers as well
* Fix issue 1143: Pointer to local array
* Update message when using pointers
* Avoid infinite loop in tracing lifetimes
2018-11-12 10:08:17 +01:00
717a2d370c
astyle formatting
...
[ci skip]
2018-11-12 06:32:02 +01:00
58882b1f14
Fixed #8261 (False positive "Statements following return, break, continue, goto or throw will never be executed.")
2018-11-12 06:31:17 +01:00
5bda102897
Fix warnings ( #1476 )
2018-11-12 06:08:57 +01:00
68d6b96878
Diagnose invalid lifetimes ( #1475 )
...
* Add check for invalid lifetimes
* Fix FP with member variables
* Dont forward lifetime values in subfunction
* Update message to use out of scope
2018-11-11 16:43:54 +01:00
bdd4623124
valueFlowLibraryFunction: fix crash found with daca@home
2018-11-11 16:41:01 +01:00
3f55707b30
Fixed #8064 (Taking the address of a moved variable is not accessing it)
2018-11-11 12:47:27 +01:00
e46691597e
Fix issue 8841: FP knownConditionTrueFalse - Dont treat unknown function as noreturn ( #1474 )
...
* Fix issue 8841: Dont treat unknown function as noreturn
* Add a parameter to set default value when the function is unknown
2018-11-11 08:04:01 +01:00
ee2dfb6604
Fixed #8058 (False positive returnAddressOfAutoVariable within lambda)
2018-11-11 07:52:38 +01:00
93cde415a7
Fixed #7988 (variable in condition gets wrong varid)
2018-11-11 07:50:25 +01:00
148f257c6b
Fixed #8838 (False positive on overridden virtual function that is marked both const and final)
2018-11-10 21:57:50 +01:00
8327aab127
Fixed #8628 (Wrong AST in case)
2018-11-10 21:32:06 +01:00
d5a478d5c5
astyle formatting
...
[ci skip]
2018-11-10 21:30:01 +01:00
4cef2e94e7
Fixed #8368 (FP redundantAssignment - assignment has unknown side-effects)
2018-11-10 18:42:13 +01:00
69e6e11844
Fix a template simplifier namespace bug in #7145 ( #1473 )
...
* Fix a template simplifier namespace bug in #7145
* Refactor template simplifier to only call getTemplateDeclarations once per loop.
2018-11-10 16:41:14 +01:00
1ffcc6b730
Add initial lifetime checker ( #1448 )
...
* Inital valueflow lifetime checker
* Forward values
* Add initial tests
* Fix deplicate messages
* Fix traversing nested lambdas
* Turn test case into a todo
* Skip if returning a container
* Fix FP when using references
* Add missing header
* Fix FP from broken scopes
* Fix FP with static variable
* Add test for more FPs
* Parse lambda functions
* Check for capture by value
* Add tests for using a container and lambda together
* Fix cppcheck errors
* Add test for nextAfterAstRightmostLeaf
* Add valueflow tests
* Update error message
* Check for correct lambda token
* Improve error path reporting
* Fix hang when parsing arrays that look almlost like lambdas
2018-11-10 16:40:40 +01:00
e302e6e7a1
Fix symbol database argsMatch to skip all redundant type information (class, struct, union, enum) ( #1472 )
2018-11-09 15:54:17 +01:00
a3e717bea9
Use functions instead of comparing with enum ( #1471 )
...
* Use isComparisonOp() instead of enum
* Use isAssignmentOp() instead of enum
2018-11-09 06:30:41 +01:00
67fe99fcd9
Fix symbol database argsMatch function and its usage so qualified types are handled properly. ( #1470 )
...
* Fix symbol database argsMatch function and its usage so qualified types are handled properly.
* Remove assert.
2018-11-09 06:11:48 +01:00
36e663e250
Fix issue 8839: FP knownConditionTrueFalse - condition inside a while-clause ( #1469 )
2018-11-09 06:09:51 +01:00
17a8a4898d
Fix another template simplifier namespace bug. ( #1467 )
...
* Fix another template simplifier namespace bug.
* Add missing forward declarations caused by token bug.
2018-11-07 21:25:42 +01:00
7373be2bfa
Add a pass in valueflow for terminating conditions ( #1323 )
...
* Add valueflow for terminating conditions
* Add valueflow test
* Dont check for same expressions for now to avoid double diagnostics
* Check nesting
* Add more tests
* Ensure conditions happen in order
* Check for null
* Add error path
* Support same expression check as well
* Use early continue
* Skip checking the same token
* Avoid double condtion diagnosis
* Fix FP when in switch statements
* Fix FP when time function
* Skip conditional escapes
* Use simpleMatch
* Fix naming
* Fix typo
2018-11-07 06:49:07 +01:00
35d18be311
ValueFlow: Refactoring, removed redundant assignment
2018-11-06 07:02:20 +01:00
c966f31183
Fixed #8835 (friend class and non-empty constructor: Uninitialized members not reported) ( #1466 )
2018-11-06 06:44:08 +01:00
00340efc57
ValueFlow: Refactoring valueFlowCallFunction
2018-11-06 06:38:26 +01:00
9b67e680ae
Fix template simplifier namespace support. ( #1464 )
2018-11-05 19:55:21 +01:00
ca19894a04
ValueFlow: In evaluate handle correlated values
2018-11-05 18:07:35 +01:00
da44ce0b5d
ValueFlow: evaluate strlen and char literals better
2018-11-05 16:52:12 +01:00
307a19d17e
Refactoring: Use range for loop
2018-11-05 09:49:28 +01:00
2275f05f65
Fixed #8833 (false negative: No 'return' statement in non-void function causes undefined behavior.) ( #1463 )
2018-11-05 06:55:30 +01:00
977fdd88a9
ValueFlow: Fix a few issues in 'evaluate'
2018-11-05 06:53:48 +01:00
8a54420274
ValueFlow: Try to handle multiple argument values in <returnValue> evaluation
2018-11-04 20:52:12 +01:00
dd9a1e890b
valueFlowRightShift: Do not perform analysis when rhs is negative
2018-11-04 17:13:23 +01:00
efd92fd714
Refactoring: reuse utility function in SymbolDatabase
2018-11-04 13:29:29 +01:00
6878de2c5e
ValueFlow: getExpressionRange, valueFlowRightShift
2018-11-03 23:25:46 +01:00
8a05be34f8
Fix Cppcheck shadow variable warning
2018-11-03 19:41:25 +01:00
f8b0584f6a
replace 'constexpr' with 'const'
2018-11-03 19:22:51 +01:00
fb76ef1db1
Fixed testrunner
2018-11-03 18:59:55 +01:00
66ca03fa0c
Fixed #8826 (false negative: Invalid memory address freed)
2018-11-03 18:55:20 +01:00
ef35b86b4a
Multipass Valueflow
2018-11-03 15:53:24 +01:00
6138294e3d
Fixed #8818 (AST broken: restrict)
2018-11-03 11:05:38 +01:00
9741239b2f
Fixed #8824 (False positive: uninitialized variable (regression))
2018-11-03 10:31:55 +01:00
acf2035a53
Typos found by running "codespell" ( #1461 )
2018-11-03 07:34:27 +01:00
a4afcb5995
Revert "Fixed #8818 (AST broken: restrict)"
...
This reverts commit e7d61f399a
2018-11-02 21:07:37 +01:00
0cc4555337
Revert "Tokenizer: Do not remove 'constexpr'"
...
This reverts commit 2f400b40ba
2018-11-02 21:07:24 +01:00
2f400b40ba
Tokenizer: Do not remove 'constexpr'
2018-11-02 20:32:12 +01:00
e7d61f399a
Fixed #8818 (AST broken: restrict)
2018-11-02 20:28:49 +01:00
614a252704
Fix Match warning
2018-11-02 20:14:34 +01:00
5de683ec49
Container size: Fix false positive
2018-11-02 20:10:40 +01:00
16cc20a232
ValueFlow: Better handling of container size values
2018-11-02 18:28:32 +01:00
3798feecad
TemplateSimplifier : Remove 'class|struct' in template arguments
2018-11-02 14:49:40 +01:00
869e4ba6ab
Add check for return value of boolean function ( #1451 )
...
* Add check for return value of boolean function
The rule for converting an integer to a boolean is that 0 is mapped to
false and everything else is mapped to true. There is nothing wrong with
the following code (according to the standards):
bool f()
{
return -1;
}
and neither gcc nor clang will warn about it. However, it's a bit
confusing. This commit adds a check that warns when a value other than 0
or 1 is returned from a boolean function (similar to the existing check
that functions with boolean arguments are only passed 0 or 1). Since the
code is perfectly legal, set the severity to "Style".
* Use early continue and remove some braces
* Add testcase with multiple returns
* Avoid null pointer dereference in case of return without operand
* Skip lambdas
Add TODO-test cases that shows FPs when the return type of lambdas are
specified explicitly (this is a problem with findLambdaEndToken).
* Enable testcases
2018-11-01 11:08:16 +01:00
88008fedb1
findLambdaEndToken handle explicit type ( #1458 )
...
* findLambdaEndToken: Add tests
* Add handling of explicit return in findLambdaEndToken()
* Use AST in findLambdaEndToken()
* Fix ast when lambda is mutable
2018-10-31 12:36:08 +01:00
fafd0742d4
Fix FPs with return conditions ( #1455 )
...
* Fix 8815: FP with identical inner conditions
* Fix issue 8801: FP when not returning a bool
* Fix FP
* Add missing semicolon
* Move returnVar
2018-10-31 09:47:48 +01:00
c03d32b429
ValueFlow: Improve containerSize handling of string like classes
2018-10-28 19:14:00 +01:00
8beb42cc90
astyle formatting
...
[ci skip]
2018-10-28 17:37:19 +01:00
2b6cc33dc6
Fix issue 8757: Throw syntax error on invalid code ( #1378 )
...
* Fix issue 8757: Throw syntax error on invalid code
* Fix FP with lambda returns
* Remove double percent
* Check more keywords
* Skip preprocessor directives
* Check for valid PP directive
* Fix preprocessor check
* Dont check for preprocessor directives
2018-10-28 17:17:53 +01:00
f5811c6818
Fix issue 8732: Syntax error when using enable_if ( #1453 )
...
* Fix issue 8732: Syntax error when using enable_if
* Fix FPs
* Use simpleMatch
2018-10-28 17:16:31 +01:00
06ede9c239
ValueFlow: handle x+=y for containers
2018-10-27 18:38:04 +02:00
adbbadec7f
Fixed #8798 (template simplifier: wrong simpifications for namespaces) ( #1452 )
2018-10-26 14:20:13 +02:00
d206047b84
Fixed #8794 - Memory leak false positive triggered by !(x != NULL) ( #1450 )
2018-10-26 06:21:45 +02:00
86782af43c
Fix Cppcheck warning
2018-10-25 07:15:32 +02:00
044c4b7fbb
Refactoring: Use range for loop
2018-10-25 06:14:27 +02:00
b8e8b12783
Fixed #8797 (exprDependsOnThis handle method call in non-inline method)
2018-10-24 20:17:00 +02:00
2348dcde6c
#8801 : Quick fix for false positives
2018-10-24 19:57:50 +02:00
ea4e6a60f7
Fix template simplifier from deleting the same declaration multiple times ( #1449 )
...
Found by running valgrind on testrunner. May fix #8808 .
2018-10-24 19:32:37 +02:00
0763fdbfad
Copy template default argument values from forward declaration to declaration. ( #1447 )
...
It is possible to define default template parameter values in forward
declarations and not define any in the actual declaration. Cppcheck
ignores forward declarations and only uses the default values in the
actual declaration so default values in forward declarations are copied
to the actual declaration when necessary.
2018-10-24 14:38:59 +02:00
be1ff268c0
Refactoring: Use range for loops
2018-10-24 11:29:15 +02:00
2e4f317c0b
Revert "Remove FIXME"
...
This reverts commit 749699c632
2018-10-22 21:03:30 +02:00
15160f1691
Fixed #8788 (AST Broken error from assigning lambda to variable)
2018-10-22 17:25:01 +02:00
749699c632
Remove FIXME
2018-10-22 12:45:34 +02:00
dc38681a56
Remove FIXME in AST validation. Ticket #8749
2018-10-22 11:37:24 +02:00
c483bcb12b
Fixed testrunner
2018-10-22 00:28:09 +02:00
f9b132e831
Tokenizer::simplifyTypedef: Fix bug with arrays
2018-10-21 21:15:34 +02:00
64fbffc90d
astyle formatting
...
[ci skip]
2018-10-21 20:28:46 +02:00
edde0eedaa
Fix FP issue 8801: Condition 'a+b' is always true ( #1444 )
2018-10-21 08:04:00 +02:00
2989c44f59
Enable checking duplicate expressions across associative operators ( #1445 )
...
* Enable checking duplicate expressions across associative operators
* Remove bitshift operators and check for streamRead
2018-10-21 07:09:20 +02:00
14afc3fd3a
Fixed #8796 (Tokenizer::simplifyCompoundAssignment: Wrong simplification of return)
2018-10-20 21:33:43 +02:00
277e0f1a8f
Fix Cppcheck error message
2018-10-20 15:28:34 +02:00
29feaa5a51
Tokenizer: Avoid constant folding
2018-10-20 10:51:50 +02:00
d265a0d6ab
Fixed #8798 (SymbolDatabase: Inner unnamed union)
2018-10-20 09:43:08 +02:00
e2ea8bc2b0
astyle formatting
...
[ci skip]
2018-10-20 09:28:28 +02:00
0858488825
insecureCmdLineArgs: Fixed FN in case strdup() copies argv[]. ( #1438 )
...
* insecureCmdLineArgs: Fixed FN in case strdup() copies argv[].
* Formatted the code. There are no functional changes intended.
* Changes due to review comments from Daniel.
2018-10-19 11:04:15 +02:00
402d0c565f
Fix false positive: Invalid string argument with array ( #1439 )
2018-10-19 07:48:47 +02:00
40cb9cb1bc
Check conditions in return statements ( #1411 )
...
* Identify return conditions in multiconditions
* Improve error messages
* Check return statements are always true or false
* Add more tests for FPs
* Fix FP when returning const like variables
* Fix FP when returning pointers or classes
* Fix FP with member variable access
* Check non-local variables
* Use simplematch
* Check for null
2018-10-18 21:01:47 +02:00
465db2dff7
Fixed #8786 (internalAstError on valid code with C style cast)
2018-10-18 20:17:23 +02:00
4983a6a5dc
astyle formatting
2018-10-18 20:08:32 +02:00
58b21e3071
Refactoring: Reuse Token::expressionString() logic for finding right-most leaf in tree
2018-10-18 12:09:55 +02:00
16c62281d0
Use followVar in checking duplicateBranch ( #1423 )
...
* Use isSameExpression for duplicate branches
* Add errorPath
* Add another test
2018-10-18 11:56:23 +02:00
58d1de5814
Expand the duplicate variable assignment warnings when the inconclusive flag is used ( #1433 )
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* Warn for more duplicate var expressions when inconclusive is set
* Fix issue with missing function name
2018-10-17 06:57:33 +02:00
0a9be3e734
Improve STL iterators checking ( #1380 )
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* Improve STL interators checking
* Improve error messages for container iterators from different scopes
* Mini refactoring
* Replace hardcoded pattern to ValueType::Type::ITERATOR
* Error messages improvements, more tests and refactoring
* Refactoring after code review
* Put getting operand data into separate function
* Update getErrorMessages and iterator errors ids
* Refactoring
* Fix error
* Refactoring, early return implementation
* Delete redundant code
* Tiny changes in comments
2018-10-17 06:36:51 +02:00
1245a036f7
Add check for shadow variables
2018-10-16 20:17:27 +02:00
f1074ea1ab
Fix false positive: Invalid string argument with pointer to pointer ( #1427 )
...
If the address is taken inside an array, the address is not of a single
character, so do not warn about this.
2018-10-16 06:54:25 +02:00
290563b964
Fix specialized template regression. ( #1425 )
...
* Fix specialized template regression.
Only check for instantiation of template being processed rather than
count of all instantiations.
* Add 2 more tests.
2018-10-15 19:35:26 +02:00
a6e8270474
insecureCmdLineArgs: Fixed false negatives in case arguments are const. ( #1419 )
...
* insecureCmdLineArgs: Fixed false negatives in case arguments are const.
* Formatted the code, there are functional changes.
* Simplified matching as suggested by Daniel.
2018-10-15 10:05:43 +02:00
613dc19b68
#4241 : Check for address of single character passed as string ( #1381 )
...
* #4241 : Check for address of single character passed as string
Add a check that address of a single character is not passed as argument
to argument marked as strings (using strz). The check does not warn if
the address of a character with known value '\0'.
Since ValueFlow currently does not handle global constants (see #7597 ),
do not warn if the variable is global to avoid FPs when the address of
a global variable assigned to '\0' is passed to a function expecting a
string.
Remove comment in docs saying strz is unused.
* Change asdf to Hello world
* Add test of address to first element in string
* Add error reporting function to getErrorMessages
* Fix strings in test
2018-10-14 18:49:34 +02:00
0a30768b59
Fixed #8693 (Template specialization: Constructor detected as normal … ( #1418 )
...
* Fixed #8693 (Template specialization: Constructor detected as normal function (functionStatic error))
Refactor template simplifier to remove the existing full specialization
function expandSpecialized and allow full specializations to use the
existing function expandTemplate. The function expandTemplate was
modified to either expand the template like it originally did by copying
it or to modify the template in place. Both instantiated and
uninstantiated full specializations are modified in place. This also
fixes #8692 and probably other related tickets as well.
The function simplifyTemplates now tries twice to simplify templates so
more templates can be simplified. We should try as many times as
necessary to find all possible templates. We can't do that now because
uninstantiated templates are left unchanged. It is relatively straight
forward to have the new code also expand in place uninstantiated
templates with their symbolic types but namespaces are not handled
properly (ticket #8671 ) and it would introduce regressions.
* Fix travis warnings.
2018-10-14 16:57:07 +02:00
895772711a
1.85: Set version
2018-10-13 18:55:19 +02:00
9cf092657c
Skip some ast errors to avoid regressions ( #1422 )
...
* Skip some ast errors to avoid regressions
* Use simpleMatch
* Skip operator functions
* Add a test for issue 8788
2018-10-13 18:38:44 +02:00
7833ade128
Updated copyright year
2018-10-13 18:20:31 +02:00
936c627307
Fix --doc output. * must be escaped.
2018-10-11 13:59:21 +02:00
7eb5ebe17e
Fixed #7887 (User function 'search' is wrongly mixed with std function)
2018-10-10 17:35:53 +02:00
25cbfe27cf
Partial fix for #7887 , Improved tokenizer simplification of 'using namespace std;' - do not simplify user functions
2018-10-10 14:28:53 +02:00
053b0d1654
STL: enable inconclusive warnings with --inconclusive
2018-10-09 20:10:43 +02:00
babafd75e3
Added support for -U option to the GUI.
2018-10-09 15:05:05 +02:00
75caf8e4de
Fix #8230 : FP unknown evaluation order on comma expression in while clause ( #1415 )
...
The while part of a do-while loop looks almost like a function call, so
extend the check for function calls to ignore while-statements.
Note that there was only an FP when checking c-code, since the check is
disabled for c++-code. Therefore, make sure the test cases are run on a
c-file.
2018-10-09 14:44:01 +02:00
20121b34d8
Fixed #7718 (False positive: out of bounds of already resized std::string)
2018-10-09 06:53:26 +02:00
aa58f41e6d
Fixed #7152 (False positive for redundantAssignment after calling a lambda function)
2018-10-08 21:07:21 +02:00
86a1b84b0c
Fixed handling of macros with known value defined in header file in configuration splitting ( #8404 )
...
Added proper unit test for configuration validation to ensure that it actually works when cppcheck is executed
2018-10-08 16:38:47 +02:00
c312bbad78
Fixed a typo. There are no functional changes intended.
2018-10-08 13:58:21 +02:00
c3e6e7c338
Fixed #8664 (setVarId: Wrongly set varid for lambda argument)
2018-10-07 20:40:59 +02:00
f961324d45
Fixed #8735 (FP oppositeInnerCondition - regression)
2018-10-07 18:30:29 +02:00
d66c92edc3
Remove unused parameters for CheckOther::oppositeExpressionError ( #1412 )
2018-10-05 08:36:49 +02:00
26a8435d76
Use knownConditionTrueFalse when is duplicate expression is true or false ( #1410 )
2018-10-05 06:00:24 +02:00
e170a45230
Enable followVar for opposite expressions ( #1404 )
...
Enable followVar for opposite expressions
2018-10-04 21:17:47 +02:00
c98c7a2ebf
suppressions: Avoid duplicate comparison.
2018-10-04 17:13:11 +02:00
a31db92918
Fixed #8669 (operator>> causes wrong style message)
2018-10-03 13:00:11 +02:00
de621eab99
Refactoring; use range for loop
2018-10-03 12:54:59 +02:00
1fe1ec09a8
Reenable follow var for logical conjunction ( #1400 )
2018-10-01 14:40:03 +02:00
2c91b95d2a
Reenable followVar for multicondition ( #1401 )
2018-10-01 14:34:55 +02:00
4598995564
Enable followVar for duplicate ternary expressions ( #1406 )
2018-10-01 14:31:06 +02:00
b3fef7957a
Fix FP with fclose after comma ( #7525 ) ( #1407 )
2018-10-01 11:58:27 +02:00
3a186b5bff
astyle formatting
2018-10-01 11:53:32 +02:00
4ed22f1ff8
Fix some FPs in mismatchingContainerExpression ( #1402 )
2018-09-30 14:49:58 +02:00
f65cf220ba
Fix false positives in unknownEvaluationOrder when using followVar ( #1391 )
...
Fix false positives in unknownEvaluationOrder when using followVar
2018-09-28 08:38:24 +02:00
9dccc4037b
Fixed #8747 (Syntax error, AST broken (a = --*b))
2018-09-27 19:26:08 +02:00
b79d829cfc
Use for arithOperationsOnVoidPointer messages
2018-09-26 17:58:22 +02:00
e25bf187ad
Attempt to fix regression for pcre_free_study().
2018-09-26 08:07:26 +02:00
33b74a04ab
Add union support to template simplifier. ( #1398 )
2018-09-26 06:23:12 +02:00
5e120b567c
isVariableDeclaration: Handle pointer to const pointer ( #1395 )
...
isVariableDeclaration did not handle pointer to const pointer, or
pointer to volatile pointer. This resulted in FPs in examples like the
following:
class Fred {
public:
const char *const *data;
const char *const *getData() { return data; };
}
where cppcheck would say getData could be static, since it didn't
recognize const char *const *data as a variable declaration.
2018-09-25 06:19:26 +02:00
ca5542131a
Travis: Fix xml validation by readding the line attribute in <location>.
2018-09-25 06:14:26 +02:00
2f032d8fa7
Improved const correctness of local variables. ( #1396 )
...
* Improved const correctness of local variables.
* Running astyle [ci-skip].
* Removed duplicate 'const'-keyword.
2018-09-24 15:08:16 +02:00
bdb136de02
PCRE: Fixed unintended message when HAVE_RULES=yes was set.
2018-09-24 09:00:09 +02:00
01f9ce2c4a
Improve debug printing of type qualification when declaration and definition are in different scopes. ( #1394 )
2018-09-24 06:40:20 +02:00
5bebeec224
Fix issue 8775: Dont follow aliased variables ( #1390 )
2018-09-24 06:37:47 +02:00
d08b39c915
Improved const correctness of local variables. There are no functional changes intended. ( #1392 )
2018-09-23 20:24:51 +02:00
6ceab1f245
New fix for #8771 . Remove line attribute in <location> when there is no line. This is more 'proper'.
2018-09-23 17:27:38 +02:00
83e8465d18
Fixed #8771 (Invalid line number on unmatchedSuppression)
2018-09-23 17:05:32 +02:00
3a007cbcbf
astyle formatting
...
[ci skip]
2018-09-23 17:04:52 +02:00
7f255c9e6f
Refactoring: Use range for loop
2018-09-23 17:02:54 +02:00
7db671fee6
Suppressions::NO_LINE : fixed comparisons
2018-09-23 16:50:51 +02:00
afe09f4d7a
Temporarily comment out the followVariable() handling
2018-09-23 16:03:18 +02:00
29d7872440
Improvements for PCRE API usage (HAVE_RULES=yes) ( #1384 )
...
* PCRE: added pcre_study to improve regex matching speed.
* PCRE: catch return values from pcre_exec and return an error message in case it fails.
* Formatted the code. There are no functional changes intended.
* PCRE: decode internal PCRE error messages.
* Integrating comments from PR.
* PCRE: Use pcre_study() only in case PCRE_CONFIG_JIT is defined.
* PCRE: Fixed potential resource leak. In case prce_compile worked, but pcre_study() returns an error, the allocated resources by pcre_compile() can be freed.
* Make travis happy.
* PCRE: Improved output message format.
* PCRE: Attempt to be compliant to older PCRE versions and fix travis build.
2018-09-23 14:27:46 +02:00
6bde2445a6
Ticket #8632 : Parenthesize ternary operator operands containing < to avoid wrongly thinking a template instantiation is met. ( #1389 )
2018-09-23 10:27:38 +02:00
f965e5873d
checkstl: remove uused variable 'beginCondTok'
...
Was:
lib/checkstl.cpp:2022:30: warning: unused variable 'beginCondTok' [-Wunused-variable]
const Token *beginCondTok = condBodyTok->previous()->link();
^
also run dmake to update Makefile
2018-09-22 21:10:21 +02:00
915acac0b8
Ticket #8734 : Skip static member variables in CheckUninitVar. ( #1388 )
2018-09-22 16:52:34 +02:00
d43cd56afd
Show line number when suggesting std::transform ( #1385 )
2018-09-21 10:38:30 +02:00
a26ac4d266
Running astyle. There is no functional change intended.
2018-09-21 08:53:09 +02:00
1e347f6cde
Initial check for recommending algorithms ( #1352 )
...
Add initial check for loop algorithms
2018-09-19 18:58:59 +02:00
83cb0b3394
--suppress on line 0 ( #1354 )
...
Fixed --suppress on line 0
2018-09-18 12:58:14 +02:00
a812da2cf1
Formatted the code.
2018-09-17 17:16:32 +02:00
e9a44f70b2
Remove out of line member functions of instantiated template classes. ( #1377 )
...
* Remove out of line member functions of instantiated template classes.
2018-09-14 14:16:34 +02:00
4e7ed9ea6e
More robust checking for crashes in followVar ( #1375 )
...
More robust checking for crashes in followVar
2018-09-13 09:19:15 +02:00
eb07280075
Fix issue 8743: FP when derefencing iterators ( #1376 )
2018-09-12 17:33:53 +02:00
90a29d986b
Fix issue 8730: Dont follow variables with unknown symbols ( #1374 )
2018-09-12 17:30:18 +02:00
9f5e648b9f
Enhance debug output for AST syntax error (inspired by #8747 )
2018-09-10 08:55:46 +02:00
0dfedd977e
CppCheck: Minor tweak. Do no clear internalErrorFound, instead ensure that it's not written upon suppression
2018-09-10 06:02:01 +02:00
523a9c1c4a
Fixed #8746 (Syntax error, AST broken (using a::operator=))
2018-09-09 21:11:45 +02:00
1bb1c4cc8e
Use early continue
2018-09-09 20:58:30 +02:00
404eb6c746
Fixed #8745 (Syntax error: AST broken (or))
2018-09-09 16:41:06 +02:00
772939476d
Remove inconclusive warnings about reading empty stl container. We have better ValueFlow-based checking.
2018-09-09 11:25:04 +02:00
f4f3f81e8f
Fix issue 8741: Require pure when following variables in isSameExpression ( #1373 )
2018-09-09 07:08:32 +02:00
fa40b821e6
Fix issue 8740: Add a pass to check for valid operators ( #1372 )
2018-09-08 21:10:34 +02:00
509cb35168
astyle formatting
...
[ci skip]
2018-09-08 15:19:32 +02:00
7ad09b44c3
Ticket 7792: Suppression both exit_code and syntaxError when call cppcheck suppressions ( #1345 )
2018-09-08 11:09:49 +02:00
d7de46f50e
ValueFlow: Fix false positive for container size
2018-09-08 10:43:08 +02:00
738fb1b23a
Disabled CheckClass::checkCopyCtorAndEqOperator because of FP ( #8388 )
2018-09-08 09:14:02 +02:00
df9df70ba7
astyle formatting
...
[ci skip]
2018-09-08 09:07:59 +02:00
cb03b9883f
Fix issue 8737: FP with identical inner condition due to followVar ( #1371 )
2018-09-07 20:16:38 +02:00
5a2362b2a0
Fix issue 8738: Dont warn about multiconditions when value is known ( #1369 )
2018-09-07 15:02:34 +02:00
f7e7e9bd3c
Fix issue 8736: Iterators to containers from different expressions (a.begin().x == b.begin().x) ( #1370 )
2018-09-07 07:08:02 +02:00
2da958efb5
Fix issue 8722: Avoid duplicate messages due for followVar ( #1367 )
2018-09-06 06:55:36 +02:00
b46e25c18e
Fix issue 8730: False positive: Opposite expression on both sides of && ( #1366 )
2018-09-05 18:07:01 +02:00
1d85a78874
Ticket #8654 : Properly setup links for variadic template bases. ( #1357 )
2018-09-05 14:10:56 +02:00
08f301a0de
Reenable followVar ( #1363 )
...
Reenable followVar
2018-09-05 05:53:33 +02:00
c6d43506b6
ValueFlow: Fix FP in switch
2018-09-04 20:28:48 +02:00
3a8bdad20a
Fixed #8232 (segmentation fault on valid C++ code in isOppositeCond())
2018-09-04 18:10:31 +02:00
5afb755a3c
SymbolDatabase: Fix variable matching
2018-09-04 06:39:02 +02:00
93be440f92
Fix issue 8709: crash with switch statement with followVar ( #1362 )
...
* Fix crash with switch statement
* Update comment
2018-09-03 19:54:14 +02:00
0e5fabf4dc
Dont follow volatile variables ( #1365 )
2018-09-03 19:51:48 +02:00
756c1d8de7
Fixed #8341 (error:iterators not correct)
2018-09-02 21:04:45 +02:00
7224ee27d9
Fixed #8122 (simplifyTemplates: constructor outside template class not simplified properly) ( #1361 )
2018-09-02 17:49:13 +02:00
cc402869a6
Fixed #8689 (False positive: containerOutOfBounds after function call)
2018-09-02 14:08:34 +02:00
ab55b9eccb
Check for same expression in condition check to avoid duplicate messages ( #1359 )
2018-09-02 08:43:17 +02:00
341dee4a07
Fixed #8725 (Template out of line function return type missing when instantiated.) ( #1360 )
2018-09-02 08:35:05 +02:00
8353f94b93
Fix crashes in followVarExpression ( #1358 )
...
* Fix crashes in followVarExpression
* Add a regression test for issue 8717
* Skip reference declarations
2018-09-02 08:28:53 +02:00
0a9d417266
add comments
2018-09-01 16:45:14 +02:00
3cad3c901f
Another patch to temporarily disable the followVariableExpression
2018-09-01 11:39:21 +02:00
508e8c234b
Fixed #8683 (Using deleted token with multiple template instantiations.) ( #1353 )
...
* Fixed #8683 (Using deleted token with multiple template instantiations.)
* Fixed #8321 (heap use after free: templatesimplifier)
* Add a flag to Token indicating that it has a pointer to it.
* Run dmake
* Fix one source of list pointers to deleted tokens.
Refactor TemplateSimplifier class to get access to template lists.
Remove many function parameters now that they are class variables.
Fix one source of list pointers to deleted tokens.
Add tests with no output to catch crashes.
* Run dmake again.
* Make 2 more functions private.
* Make requested changes.
* Missed one change request.
* Use TokenList rather than Tokenizer.
* Move TokenAndName constructor to cpp file so token.h is not needed in header file.
2018-09-01 11:26:10 +02:00
12b7c9e597
Fix Cppcheck warning
2018-09-01 08:41:41 +02:00
a331206b44
Temporarily disable followVariableExpressions(), there are problems that should be fixed.
2018-09-01 08:32:06 +02:00
f388c77042
Fixed #8721 (Regression: False positive array index out of bounds)
2018-08-31 18:25:43 +02:00
c7e5176284
Fixed #8061 (Problems with handling of --project argument)
2018-08-31 16:06:52 +02:00
b9cd7368f5
Typos found by running "codespell" ( #1355 )
...
* Update astutils.cpp
* Update checksizeof.cpp
2018-08-30 19:51:39 +02:00
7591616f43
Fixed #8710 (Update message duplicateExpression when operand is integer literal)
2018-08-30 18:28:34 +02:00
27aae8d032
Fixed #8644 (crash (CheckBufferOverrun::checkGlobalAndLocalVariable): local function)
2018-08-30 10:04:07 +02:00
6223204a06
Fixed #8708 (FP: Accessing an item in container that is empty)
2018-08-27 13:49:47 +02:00
4378327c43
astyle formatting
...
[ci skip]
2018-08-27 13:48:46 +02:00
fc135e1087
Check if member function modifies the variable ( #1350 )
...
* Check if member function modifies the variable
* Check for const pointer
* Add test for const condition
* Add more null checking
* Add todo assert for FN
2018-08-27 11:09:09 +02:00
acb0b9f07e
Ticket #8679 : Add support for C++11 thread_local and GCC's (among others) __thread extension. ( #1351 )
2018-08-26 19:46:36 +02:00
ad0ebd8f1a
astyle formatting
...
[ci skip]
2018-08-25 21:32:52 +02:00
a5f4c5d0eb
Improve message for same expressions ( #1349 )
...
* Improve message for same expressions
* Update message
2018-08-25 14:25:31 +02:00
4d0262fd0a
astyle formatting
...
[ci skip]
2018-08-23 06:06:58 +02:00
0ca6ab1a71
ErrorLogger: add {cwe} ( #1341 )
2018-08-21 13:58:19 +02:00
f79849f6ba
Diagnose mismatching iterators used together in operators ( #1343 )
...
* Diagnose mismatching iterators used together in operators
* Fix fp getting iterator expression in function call
2018-08-21 06:34:30 +02:00
866d198756
Fixed #8697 (noreturn output stream)
2018-08-21 06:32:33 +02:00
a30941d885
Refactoring; Use range for loops
2018-08-19 17:27:41 +02:00
4d78a2e178
Fixed #7790 (Wrong order of <location> XML-elements for error duplInheritedMember)
2018-08-19 14:13:58 +02:00
212af76367
astyle formatting
...
[ci skip]
2018-08-18 15:45:50 +02:00
fd49112196
Avoid duplicates in the error path ( #1346 )
2018-08-18 07:32:30 +02:00
43233e72b2
Fixed #8691 (False negative for uselessAssignmentArg)
2018-08-17 19:56:36 +02:00
e442bc47b1
astyle formatting
...
[ci skip]
2018-08-17 19:55:21 +02:00
c5ebf26f9f
cppcheck.cpp: fix suppression of syntaxError ( #1333 )
...
* cppcheck.cpp: fix suppression of syntaxError
* test: add supression test for syntaxError while file read
2018-08-17 10:05:25 +02:00
bbf876256c
Add error path to more diagnostics that rely on isSameExpression ( #1342 )
2018-08-17 09:25:07 +02:00
13617375df
missingOverride: False positive with cv-ref mismatch ( #1340 )
2018-08-17 08:42:22 +02:00
0e70c8a916
Added '-' and '.' to allowed chars in error ids for suppressions. ( #1338 )
...
Those chars are used for example in misra.py
2018-08-17 08:20:39 +02:00
f33c09f1a7
Allow syntax "typedef 'typename' unsigned 'typename' (functon_name)()" ( #1334 )
...
* Allow syntax "typedef 'typename' unsigned 'typename' (functon_name)()" for some old libraries
https://trac.cppcheck.net/ticket/7792
* Unnecessary check of "tokOffset", match-function already checks if it is null
* add testcase ticket #7792 : simplifyTypedef124
2018-08-16 14:30:28 +02:00
fc97a5b11c
Uninitalized variables: Fixed false positive
2018-08-15 18:04:36 +02:00
2f834c3c3b
Fixed #8688 (False positive: containerOutOfBounds)
2018-08-13 21:27:29 +02:00
c5154286da
Fix issue 8687: false positive with same expression ( #1336 )
2018-08-13 12:55:41 +02:00
55ab842083
valueFlowSizeForward: Bailout when function calls modify the container size
2018-08-13 06:54:18 +02:00
183345a939
valueFlowContainerSize: Fix FP when container size is changed
2018-08-12 22:23:19 +02:00
7074eeb869
valueFlowContainerSize: assignment of string-like containers
2018-08-12 22:01:58 +02:00
189ea5003a
valueFlowContainerSize: empty container variables
2018-08-12 14:41:00 +02:00
be4ae66e36
Fix wrong message
2018-08-12 08:01:15 +02:00
a9ae897f8c
checkstl: fix inconsistent-missing-override warning reported by clang.
...
Warning was:
lib/checkstl.h:57:18: warning: 'runChecks' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
virtual void runChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger) {
^
lib/check.h:67:18: note: overridden virtual function is here
virtual void runChecks(const Tokenizer *, const Settings *, ErrorLogger *) {
^
2018-08-11 21:33:44 +02:00
0e30bdef9d
containerAccessOutOfBounds: Fix FPs for maps etc
2018-08-11 18:57:21 +02:00
811a71aa06
valueFlowContainerSize: Handle guard logic
2018-08-11 15:08:54 +02:00
f0c1d49abf
Fix Cppcheck warning
2018-08-11 14:45:12 +02:00
6008bbdfb4
valueFlowContainerSize: Fix wrong value after condition if conditional code escapes
2018-08-11 13:49:42 +02:00
1f427eda8f
CheckStl: rewrite and refactor out of bounds checker
2018-08-11 11:40:48 +02:00
10461e5429
valueFlowContainerSize: forward analysis inside conditional code
2018-08-10 22:18:38 +02:00
4a502a7f6b
valueFlowContainerSize: add simple forward analysis
2018-08-10 22:06:23 +02:00
2b10e38eec
valueFlowContainerSize: handling of 'v.size() == 10'
2018-08-10 21:43:47 +02:00
3947c23290
Fix issue 8369: False negative: Condition 'condition' is always true ( #1325 )
...
* Fix issue 8369: False negative: Condition 'condition' is always true
* Use simpleMatch
* Add iterator header
* Cleanup
* Remove unused variable
2018-08-10 18:05:23 +02:00
3805af18a2
valueFlowContainerSize: Fix crash when container pointer is null
2018-08-10 12:53:16 +02:00
f37434cd1d
valueFlowContainerReverse: Fix FPs when there is assignment
2018-08-10 12:26:53 +02:00
907f81d059
ValueFlow: Improved analysis of container size
2018-08-10 11:53:56 +02:00
81f54f7094
Fixed #8681 (ValueFlow: Container size)
2018-08-10 11:29:16 +02:00
8032f64c15
Refactoring; Use range for loops
2018-08-10 10:04:10 +02:00
b707f6e476
Refactoring; use range for loops
2018-08-10 06:47:18 +02:00
223a116f24
The checksum in analyzer info files will now depend on the suppressions
2018-08-09 09:27:26 +02:00
f2e7071922
Fix FP, conversion of char literal '\0' to boolean is not true
2018-08-08 19:04:10 +02:00
1f1c44a04f
Fixed #8677 (False positive: unused method)
2018-08-08 11:31:35 +02:00
80290a15e0
Fix FP with duplicate assign ( #1330 )
2018-08-08 08:31:31 +02:00
c3a44ce56b
astyle formatting
...
[ci skip]
2018-08-07 18:06:51 +02:00
78df7f98dd
Fixed #8674 (False positive: Method that returns const should not be const)
2018-08-07 18:06:14 +02:00
f603b529df
Fix issue 8413: Condition is always false 'i=expr; if (i != expr) {}' ( #1295 )
...
* Follow variables when comparing same expression
* Remove assert include
* Dont follow function arguments
* Improve the checking to check more cases
* Add more tests
* Check if the variable is used inside a loop
* Follow both variables
* Only skip loops when variable is modified in scope
* Fix FP when followed variable is modified
* Dont follow arrays
* Skip pointer indirection
* Make recursive
* Improve checking more variables
* Fix test with sizeof
* Skip following operators
* Fix test when using sizeof
* Dont check every step
* Use early returns
* Update test to use a loop instead of conditional
* Add static
* Check variables are global
* Check local variables in another scope
* Fix issue with const pointers
* Distinguish between pointer indirection and multiply
* Use simple match
* Prevent crash with uniform initialization
* Use unary op and ast to detect pointer indirection
* Expand error message when expression do not match exactly
* Add errorpath to issameexpression
* Revert "Clarify warning message for 'Same expression on both sides of operator'"
This reverts commit 0e491b41a8
2018-08-07 09:32:16 +02:00
1b933f4dd1
astyle formatting
...
[ci skip]
2018-08-05 22:40:21 +02:00
b839ad60dd
Fix issue 6856: add checks in isOppositeCond when using == and < or > ( #1298 )
...
* Fix issue 6856: add checks in isOppositeCond when using == and < or >
* Move tests to testcondition
* Fix some more tests
* Fix test messages
* Remove the float check
2018-08-05 22:39:40 +02:00
ddbe4b89b5
Renamed --debug to --debug-simplified
2018-08-05 11:19:20 +02:00
bcdd58de0b
astyle formatting
...
[ci skip]
2018-08-05 10:48:28 +02:00
0e491b41a8
Clarify warning message for 'Same expression on both sides of operator'
2018-08-05 10:48:02 +02:00
ed197f235a
Fix issue 4693: Diagnostic when using the same iterators to an algorithm ( #1326 )
...
* Fix issue 4693: Diagnostic when using the same iterators to an algorithm
* Update classinfo
2018-08-05 09:10:54 +02:00
710d7ce015
Add checks of log2 and log1p range ( #1324 )
...
* Add tests for log10{,f,l} valid arguments
* Add log2{,f,l} to checkfunctions
* Add log1p{,f,l} to checkfunctions
* checkfunctions: Simplify check for log function limit out of range
The conditions for negative and non-negative int and float were
identical so the call to isNegative can be removed and the if-statements
be simplified.
2018-08-03 12:14:39 +02:00
0a66f5c4f9
astyle formatting
...
[ci skip]
2018-07-26 22:24:00 +02:00
e2a4b1706c
Refactoring CheckStl::mismatchingContainers; Use AST
2018-07-26 22:23:37 +02:00
86721f5b91
small refactorings
2018-07-26 22:08:05 +02:00
d471c27502
astyle formatting
...
[ci skip]
2018-07-26 22:03:49 +02:00
0d35a96594
Improve checking of mismatch iterators ( #1293 )
2018-07-26 22:00:48 +02:00
54e2726bf3
Fixed #8636 (Misleading verbose message if virtual method called from destructor)
2018-07-26 09:16:17 +02:00
c666f74755
astyle formatting
...
[ci skip]
2018-07-25 23:02:16 +02:00
f093692551
ValueFlow: Set values in else branch even when the first branch modifies the value ( #1309 )
...
* Set values in else branch even when the first branch modifies the value
* Move tests
* Add check for goto
* Remvoe todo
* Also check scope is noreturn
* Use isEscapeScope when variables are changed
2018-07-25 22:59:54 +02:00
01ceb9bae7
fixed issue 8661: Misleading error message when compilation database is not recognized
2018-07-25 16:26:25 +02:00
58c91c4645
Revert "Refactoring endsWith utility function"
...
This reverts commit d300d1f61b
2018-07-25 16:14:43 +02:00
f9a5a114bb
astyle formatting
...
[ci skip]
2018-07-25 07:44:06 +02:00
d300d1f61b
Refactoring endsWith utility function
2018-07-25 07:43:50 +02:00
9895ea5ff2
Fix issue 470: Condition is always true or false on logical operators ( #1294 )
...
* Fix issue 470: Condition is always true or false on logical operators
* Dont warn on literals
* Compute logical operators using valueflow
* Fix FP when using literals
* Always warn on subconditions that are always true
* Use percent matches first
* Add test for logical operators
* Check if parent is null
2018-07-23 08:51:59 +02:00
12e58c8521
fix ticket 8570: passedByValue with member initializer list and std::move ( #1316 )
...
* fix ticket 8570
allow member initializer list variables that are moved to be non-const
* review feedback
* replace tabs with spaces in test code
2018-07-22 15:01:18 +02:00
77b653bf94
Clarify warnings when char literals are converted to bool in conditions
2018-07-21 18:40:06 +02:00
417670d947
Clarify code with continue
2018-07-20 21:44:23 +02:00
30a8d953e3
Move sqrt{,f,l} argument checks to cfg file ( #1313 )
2018-07-20 20:56:39 +02:00
7c4820e047
Rename Library::isargvalid()
2018-07-15 23:05:48 +02:00
491ee577c6
Support floats in valid config ( #1297 )
...
* Add tests for invalid ranges
* Refactor loadLibErrors
This reduces the amount of code slightly and will simplify adding
more tests.
* Handle empty valid field
Before this change, the sequence <valid></valid> in a config file would
result in a segmentation fault. Now an empty field results in the error
message:
cppcheck: Failed to load library configuration file 'mycfg.cfg'. Bad attribute value '""'
* Add support for valid for floating point arguments
Previously, it was not possible to add valid ranges to floating point
arguments since it only handled integers. This made ranges not work well
for floating point arguments since arguments were cast to integers
before the ranges were handled.
Fix this by using doubles instead of integers if the argument is a float.
Add some tests for this and make sure errors are printed with enough
precision (somewhat arbitrarily chosen).
Note that it is still only possible to add integer ranges (i.e. -1:1).
* Add support for floats in configuration valid range
Now that it is possible to handle decimal arguments, there is no reason
to not allow non-integer ranges. Take care to not allow broken
configurations.
* Move check to within if-clause
* Move asin{,f,l} and acos{,f,l} input checks to config file
2018-07-15 22:47:56 +02:00
39857220ce
Refactoring: Use range for loops
2018-07-15 15:08:35 +02:00
cc5f00c252
Refactoring; use range for loops
2018-07-15 15:03:08 +02:00
518dd8bfa3
Refactoring: Use range for loops
2018-07-15 14:51:33 +02:00
Daniel Marjamäki
Paul Fultz II
IOBYTE
rikardfalkeborn
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