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18655 Commits

Author SHA1 Message Date
Paul Fultz II d62ed420d8 Add a check target to cmake (#1465) 2018-11-05 18:13:04 +01:00
Daniel Marjamäki ca19894a04 ValueFlow: In evaluate handle correlated values 2018-11-05 18:07:35 +01:00
orbitcowboy 458f1ae510 Merge branch 'master' of https://github.com/danmar/cppcheck 2018-11-05 17:25:31 +01:00
orbitcowboy df1c23f826 zlib.cfg: Added zlib.cfg (ref. https://www.zlib.net/manual.html ) 2018-11-05 17:25:02 +01:00
Daniel Marjamäki da44ce0b5d ValueFlow: evaluate strlen and char literals better 2018-11-05 16:52:12 +01:00
Daniel Marjamäki 307a19d17e Refactoring: Use range for loop 2018-11-05 09:49:28 +01:00
IOBYTE 2275f05f65 Fixed #8833 (false negative: No 'return' statement in non-void function causes undefined behavior.) (#1463) 2018-11-05 06:55:30 +01:00
Daniel Marjamäki 977fdd88a9 ValueFlow: Fix a few issues in 'evaluate' 2018-11-05 06:53:48 +01:00
Daniel Marjamäki 8a54420274 ValueFlow: Try to handle multiple argument values in <returnValue> evaluation 2018-11-04 20:52:12 +01:00
Daniel Marjamäki dd9a1e890b valueFlowRightShift: Do not perform analysis when rhs is negative 2018-11-04 17:13:23 +01:00
orbitcowboy 1d5e797e6d testother: Fixed typos in tests. Replaced 'voif' with 'void'. 2018-11-04 14:46:22 +01:00
Daniel Marjamäki efd92fd714 Refactoring: reuse utility function in SymbolDatabase 2018-11-04 13:29:29 +01:00
Daniel Marjamäki 6878de2c5e ValueFlow: getExpressionRange, valueFlowRightShift 2018-11-03 23:25:46 +01:00
Daniel Marjamäki 8a05be34f8 Fix Cppcheck shadow variable warning 2018-11-03 19:41:25 +01:00
Daniel Marjamäki f8b0584f6a replace 'constexpr' with 'const' 2018-11-03 19:22:51 +01:00
Daniel Marjamäki fb76ef1db1 Fixed testrunner 2018-11-03 18:59:55 +01:00
Daniel Marjamäki 66ca03fa0c Fixed #8826 (false negative: Invalid memory address freed) 2018-11-03 18:55:20 +01:00
Daniel Marjamäki ef35b86b4a Multipass Valueflow 2018-11-03 15:53:24 +01:00
Daniel Marjamäki 6138294e3d Fixed #8818 (AST broken: restrict) 2018-11-03 11:05:38 +01:00
Daniel Marjamäki 9741239b2f Fixed #8824 (False positive: uninitialized variable (regression)) 2018-11-03 10:31:55 +01:00
Armin Müller acf2035a53 Typos found by running "codespell" (#1461) 2018-11-03 07:34:27 +01:00
Daniel Marjamäki a4afcb5995 Revert "Fixed #8818 (AST broken: restrict)" 
This reverts commit e7d61f399a.
 2018-11-02 21:07:37 +01:00
Daniel Marjamäki 0cc4555337 Revert "Tokenizer: Do not remove 'constexpr'" 
This reverts commit 2f400b40ba.
 2018-11-02 21:07:24 +01:00
Daniel Marjamäki 2f400b40ba Tokenizer: Do not remove 'constexpr' 2018-11-02 20:32:12 +01:00
Daniel Marjamäki e7d61f399a Fixed #8818 (AST broken: restrict) 2018-11-02 20:28:49 +01:00
Daniel Marjamäki 614a252704 Fix Match warning 2018-11-02 20:14:34 +01:00
Daniel Marjamäki 5de683ec49 Container size: Fix false positive 2018-11-02 20:10:40 +01:00
Daniel Marjamäki e53be26f48 Try to fix Travis 2018-11-02 19:04:21 +01:00
Daniel Marjamäki 16cc20a232 ValueFlow: Better handling of container size values 2018-11-02 18:28:32 +01:00
Daniel Marjamäki 590bf97247 bump simplecpp 2018-11-02 16:28:48 +01:00
Daniel Marjamäki 3798feecad TemplateSimplifier : Remove 'class|struct' in template arguments 2018-11-02 14:49:40 +01:00
rikardfalkeborn 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
rikardfalkeborn 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
Paul Fultz II 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
orbitcowboy ba28cbe0ff gnu.cfg: Replaced '__builtin_memset' definition with macro definition, since it is equal to 'memset' from std.cfg. 2018-10-30 15:37:20 +01:00
Markus Elfring 02c2018f25 Addition of a null pointer check in ProjectFileDialog::removeSuppression() (#1457) 
The function “QListWidget::takeItem” is documented in the way
that a null pointer can be returned. This result was not checked
by the function “ProjectFileDialog::removeSuppression” so far.
Thus add a corresponding check so that an inappropriate pointer access
should not happen any more here.

Link: https://sourceforge.net/p/cppcheck/discussion/development/thread/d1d0b65245/#a1bf
Link: https://trac.cppcheck.net/ticket/8814
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
 2018-10-29 14:21:56 +01:00
Daniel Marjamäki 25a3aeef86 cert.py: another fix for valueflow 2018-10-29 01:39:52 +01:00
amai 3032ac4619 Fix compile error in test code 2018-10-28 21:36:28 +01:00
Daniel Marjamäki b5241ecb80 cert.py: more robust handling of values 2018-10-28 20:55:15 +01:00
Daniel Marjamäki 2730b16326 cppcheckdata.py: read more data from dumps 2018-10-28 20:47:44 +01:00
Daniel Marjamäki c03d32b429 ValueFlow: Improve containerSize handling of string like classes 2018-10-28 19:14:00 +01:00
Daniel Marjamäki 8beb42cc90 astyle formatting 
[ci skip]
 2018-10-28 17:37:19 +01:00
Paul Fultz II 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
Paul Fultz II 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
Daniel Marjamäki 06ede9c239 ValueFlow: handle x+=y for containers 2018-10-27 18:38:04 +02:00
orbitcowboy b998dcb5aa gnu.cfg: Added support for '__builtin_memset'. 2018-10-27 18:25:05 +02:00
IOBYTE adbbadec7f Fixed #8798 (template simplifier: wrong simpifications for namespaces) (#1452) 2018-10-26 14:20:13 +02:00
Daniel Marjamäki ab08801dc4 Remove header tests from testconstructors, because they were invalid (using preprocessor directive) 
The checker does not care if it's a header or source file. So I guess these tests were added to test
some parsing problem. Nowadays, #line is removed by simplecpp::preprocess, but there is no proper
testing for it in simplecpp.. I will add some testing for #line asap.
 2018-10-26 07:03:15 +02:00
Kamil Dudka d206047b84 Fixed #8794 - Memory leak false positive triggered by !(x != NULL) (#1450) 2018-10-26 06:21:45 +02:00
Daniel Marjamäki 86782af43c Fix Cppcheck warning 2018-10-25 07:15:32 +02:00