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1381 Commits

Author SHA1 Message Date
Daniel Marjamäki 08ddd84780 Update copyright year 2020-05-10 11:16:32 +02:00
Daniel Marjamäki 3e0218299b Revert "Update copyright year" 
This reverts commit 6eec6c4bd5.
 2020-05-10 11:13:05 +02:00
Daniel Marjamäki 6eec6c4bd5 Update copyright year 2020-05-10 11:11:34 +02:00
Paul Fultz II d88557bc18
Rename constArgument to knownArgument (#2616) 2020-04-22 09:13:35 +02:00
Daniel Marjamäki da6e0308c5 Fixed #9195 (False positive: shadowFunction when constructor is shadowed) 2020-04-20 18:02:10 +02:00
Oliver Stöneberg 2c1e36e63e
cleaned up includes based on include-what-you-use (#2600) 
* cleaned up includes based on include-what-you-use

* check.h: trying to work around Visual Studio 2012 bug

* fixed Visual Studio compilation
 2020-04-13 13:44:48 +02:00
Daniel Marjamäki 320cb9008f minor tweaks of knownConditionTrueFalse 2020-02-15 20:21:13 +01:00
Rikard Falkeborn b1c6f2946a
Fix redundant FP assignment with unsigned zero (#2521) 
* Refactor isNullOperand out of FwdAnalysis

* Improve isNullOperand

* Fix redundantAssignment FP with unsigned zero

* isNullValue check number

* Enhance isNullOperand to handle c++ casts

Also handle cast of NULL.
 2020-02-09 11:16:08 +01:00
Daniel Marjamäki b6833b525f Clang import 2020-01-25 17:01:17 +01:00
Dmitry-Me 01e0a61ebe Break loops earlier 2020-01-16 18:37:10 +03:00
Daniel Marjamäki 4f1e8bc5e7 astyle formatting 
[ci skip]
 2020-01-04 18:47:05 +01:00
Ken-Patrick Lehrmann eca7ee9260 9356: Prevent false positive when passing non-const reference to member constructor (#2370) 
* Add cases for 9356

* 9356: Prevent false positive when passing non-const reference to member constructor

This workarounds false positives 'Parameter  can be declared with const [constParameter]'
when said parameter is used in constructor call. It assume the
constructor call might change the parameter (without any checks.
The drawback is that we have false negative, in cases where we could
check the constructor actually takes a const reference, or a copied by
value parameter.

* Add todo comment in isVariableMutableInInitializer
 2020-01-04 11:36:45 +01:00
Paul Fultz II dd05839a7e Fix false positives in knownConditionTrueFalse when using expressions with const variables (#2469) 2020-01-03 19:35:28 +01:00
Paul Fultz II 06752d75a5 Fix issue 9485: knownConditionTrueFalse false positive with integer constants (#2447) 
* Fix issue 9485: knownConditionTrueFalse false positive with integer constants

* Formatting
 2019-12-14 09:15:00 +01:00
Daniel Marjamäki 676a837af6 Fixed #9335 (FP constStatement "Found a statement that begins with string constant") 2019-11-28 17:49:33 +01:00
Sebastian c990d10ffa
Check for JSON error when parsing addon .json files + fixes (#2374) 
* cppcheck.cpp: Check for JSON error when parsing addon .json files

This fixes that errors in JSON files given via `--addon=*.json` are
silently ignored and maybe only a part of the JSON file is used.
Now the error message which picojson can return is checked and a
corresponding error message is returned again by getAddonInfo().

* naming.json: Fix missing comma

* CLI: Fix naming violations detected by addon naming.py via naming.json

* Addon naming: Add argument for validating names of constants

* LIB: Rename functions/variables so they are valid, loosen naming rules

* GUI: Fix naming violations
 2019-11-20 15:37:09 +01:00
Paul Fultz II ed1acc319d Fixx issue 9355: FP constParameter when returning non-const reference to struct member (#2373) 2019-11-18 06:39:50 +01:00
Rikard Falkeborn 38dea4719b Fix #9166 (print proper types in invalidCast message) (#2347) 
* Fix #9166 (print proper types in invalidCast message)

* Use ValueType->str()

* astyle

* Set default sign to avoid issues on different platforms
 2019-11-11 07:17:50 +01:00
Daniel Marjamäki 00fae7fb42 Fixed #9261 (Inconsistent violation report between using global enum and namespaced enum.) 2019-10-20 07:07:38 +02:00
Daniel Marjamäki 574141a492 shadowVariable: Add comment 2019-10-19 18:51:36 +02:00
Daniel Marjamäki 24db81adb5 Fixed #8903 (False positive 'shadows outer variable' when using GCC statement expressions) 2019-10-19 18:50:27 +02:00
Steve Mokris 506a952ad2 Parse `extern "C"`, and use it to avoid FP reference warnings (#2234) 
Previously, cppcheck discarded the `extern "C"` specifier.  This patch modifies cppcheck to parse each as a Scope in the symbol database, then uses that scope to avoid false positives when making recommendations about changing a function argument to be a reference (since variable references is a C++ feature, unavailable in C, and thus unavailable in `extern "C"`).
 2019-10-08 17:48:09 +02:00
Daniel Marjamäki 07b337c580 Removed extra zero division heuristics, they seem redundant as ValueType is used 2019-10-01 17:33:58 +02:00
warmsocks a56bc006b7 Fixed a typo in lib/checkother.cpp. Corrected spelling errors found by codespell. (#2170) 2019-09-11 19:21:38 +02:00
Daniel Marjamäki a9fda3f488 Clarify redundantVarAssignment warnings 2019-09-04 10:55:41 +02:00
IOBYTE e5220bdf0c make ellipsis ... a single token (#2143) 
* make ellipsis ... a single token

Using cppcheck -E to preprocess code with ellipsis produces output that
can't be compiled because ... is split into 3 tokens.

* try to fix addon
 2019-09-04 08:07:30 +02:00
Paul Fultz II 0b9e823fc8 Fix issue 9305: False positive uninitvar - struct initialized via function (#2123) 2019-08-30 18:32:45 +02:00
Daniel Marjamäki 4bd9d76a4c Try to make Travis happy 2019-08-25 10:24:13 +02:00
Daniel Marjamäki 82eec11898 Created redundantInitialization id 2019-08-25 09:45:39 +02:00
Daniel Marjamäki 9cbdc262f6 Fix Cppcheck internal warning 2019-08-23 16:56:28 +02:00
Daniel Marjamäki d3f7fc92f2 Quick fix to make Travis happy 2019-08-23 15:23:49 +02:00
Daniel Marjamäki 7061cc334b RedundantAssignment: Don't warn for initialization with {0} 2019-08-23 08:51:16 +02:00
Paul Fultz II 744a94ad5a Fix issue 9231: FP constParameter - argument passed parent ctor (#2032) 2019-07-24 20:59:58 +02:00
Paul Fultz II bb52a63c4e Add check for const variables 
When a local reference is declared, this will check if that local reference can be declared as `const`.
 2019-07-24 09:59:01 +02:00
Daniel Marjamäki d11d6f112e Detect shadowed arguments 2019-07-17 17:08:42 +02:00
Daniel Marjamäki ef73a10e30 Replace 'unsigned' with 'nonneg' in checkother 2019-07-16 09:10:10 +02:00
Daniel Marjamäki cf06acae08 Fixed #5995 (False negative selfAssignment regression from 1.65) 2019-07-13 21:45:54 +02:00
Daniel Marjamäki 9f548efbd3 Refactoring: enum class 2019-07-10 15:27:07 +02:00
shaneasd 7e54f989f9 Update symbol database such that the override keyword implies that the function is also virtual (#1907) 
* Update symbol database such that the override keyword implies that the function is also virtual

* Add test case for implicit override

* change isVirtual to hasVirtualSpecifier

* fix method documentation for getVirtualFunctionCalls and getFirstVirtualFunctionCallStack

* Fix isImplicitlyVirtual to consider the override keyword and document logic

* Fix getFirstVirtualFunctionCallStack and getVirtualFunctionCalls to use isImplicitlyVirtual instead of isVirtual so new test case passes
 2019-07-04 12:32:32 +02:00
Daniel Marjamäki 7ceb51a952 Try to improve 'clarifyStatement' warning message 2019-06-22 08:44:41 +02:00
Paul Fultz II f75c15af56 Fix issue 6821: New check: access heap/stack data using address of variable 
This fixes errors with:

```cpp
int f() {
    int i;
    return (&i)[1];
}
```

It uses the lifetime analysis to detect the issues.
 2019-05-31 12:24:31 +02:00
Daniel Marjamäki de4a33167d astyle formatting 
[ci skip]
 2019-05-21 10:43:33 +02:00
Paul Fultz II 9838bfa79f Fix false positive in constArgument when passing struct member (#1845) 2019-05-21 10:41:16 +02:00
Daniel Marjamäki cb06aebdab Removed --std=posix. From now on, if you use --library=posix then the posix checks will be enabled. 2019-04-12 06:47:28 +02:00
Rikard Falkeborn d23e987941 Fix CheckInternal warnings (#1790) 2019-04-06 06:55:46 +02:00
Daniel Marjamäki 3f9dd4c567 Variable scope: Fix FP for reference variable in range for loop 2019-04-02 12:59:24 +02:00
Daniel Marjamäki 0efddc4010 astyle formatting 
[ci skip]
 2019-03-31 16:20:06 +02:00
Daniel Marjamäki 29a5404d1e Incomplete statement: Fix FP for 'ar & x' 2019-03-31 11:50:57 +02:00
Daniel Marjamäki 6eaf2c03d9 CheckOther::checkInvalidFree: Move check to normal checking. And clarify the message. 2019-03-07 06:35:44 +01:00
Paul Fultz II 032020c40d Fix issue 9001: FP: Found suspicious operator ',' [constStatement] 2019-02-27 07:09:22 +01:00