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306 Commits

Author SHA1 Message Date
Paul Fultz II 9aa97cbb95 Fix issue 8296: ValueFlow: value not set in conditional scope in subfunction (#2071) 
* Fix issue 8296: ValueFlow: value not set in conditional scope in subfunction

* Refactor condition checkingg

* Make test case TODO
 2019-08-11 15:39:37 +02:00
Paul Fultz II bd02ca5ccb Fix issue 9207: Not detected 'always true' and unreachable code 2019-08-08 07:46:47 +02:00
Paul Fultz II aaeec462e6 Re-enable valueFlowSubFunction (#2063) 
* Re-enable valueFlowSubFunction

* Formatting

* Skip ternary operators in subfunctions

* Fix test with iostreams

* Fix FP with multiple parameters
 2019-08-05 16:26:32 +02:00
Paul Fultz II ab0fcc7640 Fix issue 9216: reset() method confusion (#2025) 
* Fix issue 9216 with smart pointer reset

* Check for arrow
 2019-07-23 22:45:58 +02:00
Daniel Marjamäki 57c6628732 Revert 'Cleaning up unsimplified templates'. This fix caused problems. 2019-05-16 21:11:04 +02:00
Daniel Marjamäki d58d4273f9 Cleaning up unsimplified templates 2019-05-11 13:00:03 +02:00
Paul Fultz II a688df0ea1 Fix issue 9120: crash in valueflow (#1822) 2019-05-05 09:51:36 +02:00
Paul Fultz II 39f4374446 Improve diagnostics with null smart pointers (#1805) 
* Warn when dereferencing null smart pointers

* Improve tracking of smart pointer values

* Use library isSmartPointer
 2019-04-26 11:30:09 +02:00
Daniel Marjamäki b0c92c1ac1 CheckNullPointer: Use library instead of hardcoding 2019-03-17 07:37:38 +01:00
Daniel Marjamäki 3dc34f1515 Disable all simplified checks 2019-03-16 09:17:50 +01:00
Daniel Marjamäki 4f5a426fe5 Improved isVariableChangedByFunctionCall, better logic when parameter might be passed by reference 2019-02-28 17:02:46 +01:00
Kamil Dudka 21c22d0d4d TestNullPointer: add regression test to cover #8813 (#1699) 
... which is fixed since 1.86-72-gbc34f0239
 2019-02-26 17:14:45 +01:00
Daniel Marjamäki bd7790fd8c Update copyright year 2019-02-09 07:24:06 +01:00
amai2012 738fef6c27 Run astyle 2019-01-12 21:51:39 +01:00
Daniel Marjamäki 8dd641b8be Use OVERRIDE in test 2019-01-12 15:45:25 +01:00
Daniel Marjamäki aa4f61acdf CTU: Avoid FP in else block 2018-12-31 08:24:39 +01:00
Daniel Marjamäki fb6a291370 CTU: Avoid FP in code protected by &&,||,? 2018-12-31 08:16:21 +01:00
Daniel Marjamäki 91a580cbd7 CTU: more warnings 2018-12-30 18:31:37 +01:00
Daniel Marjamäki c8901e9bab CTU: Find paths better 2018-12-30 16:23:25 +01:00
Daniel Marjamäki d18f5d8709 CTU: Reuse CheckNullPointer::isPointerDeRef in the nullpointer isUnsafeUsage 2018-12-29 09:26:57 +01:00
Daniel Marjamäki 271763e680 CTU: Refactoring 2018-12-25 21:11:23 +01:00
Daniel Marjamäki a1dca6acd5 Fix CTU nullpointer check 2018-12-25 12:04:01 +01:00
Daniel Marjamäki bc34f0239d Disable the subfunction value flow analysis. It does not work well and needs to be rewritten. There are false positives. 2018-12-18 14:36:49 +01:00
Daniel Marjamäki 0f63874c62 Take back the whole program analysis for null pointers and uninitialized variables 2018-12-18 07:56:33 +01:00
Daniel Marjamäki ef35b86b4a Multipass Valueflow 2018-11-03 15:53:24 +01:00
Daniel Marjamäki 45379a3aa6 Updated copyright year for modified files 
[ci skip]
 2018-06-10 22:07:21 +02:00
IOBYTE ce50df8047 Fix override warnings. (#1234) 2018-05-15 16:37:40 +02:00
Paul Fultz II 0197343e0c Fix false positive when using null arithmetic with class type (#1214) 2018-05-09 09:06:49 +02:00
Daniel Marjamäki 7dfbe7389b Clarify null pointer arithmetic message 2018-05-02 12:57:24 +02:00
Daniel Marjamäki b2343a2d4b Fixed #8518 (Clarify warning for a NULL pointer which is received by a function call parameter.) 2018-05-01 17:30:29 +02:00
Paul Fultz II d8b3fa5c70 Fix #8482: Regression with valueflow (#1159) 
* Fix regression with valueflow

* Simplify test case
 2018-04-09 16:13:17 +02:00
PKEuS bbfcccf078 Refactorization: Replace several push_back-sequences by initializer lists 2018-04-09 09:41:24 +02:00
Paul d240a36a60 Extend nullPointerArithmetic to check for addition as well 2018-04-03 21:32:37 +02:00
Daniel Marjamäki 58066b1f0c Remove whole program analysis from 'uninitialized variables' and 'null pointer dereference' checkers. I think this logic can more or less be added in ValueFlow instead and then all ValueFlow checkers should get whole program analysis. 2018-02-06 14:56:17 +01:00
Daniel Marjamäki 4998248501 Null pointers: Fixed false positives when running whole program analysis. Copied the fix from the CheckUninitVar::isUnsafeFunction. 2018-02-04 15:29:57 +01:00
Daniel Marjamäki c4caee6b18 Updated copyright year 2018-01-14 15:37:52 +01:00
Ayaz Salikhov 28aa939d69 iwyu - include what you use 2017-05-27 04:33:47 +02:00
Daniel Marjamäki 040d2f0012 Use simplecpp lexer in test cases 2017-05-18 21:52:31 +02:00
Daniel Marjamäki 8d75d1b920 Partial fix for #8028 (ValueFlow: Origin/callstack of value) 2017-05-15 20:05:11 +02:00
Daniel Marjamäki 7fd04cd8d0 Updated Token::expressionString(), write '->' instead of '.' 2017-04-30 14:22:18 +02:00
Daniel Marjamäki 37fd60e879 Fixed #7293 (Use of uninitialized pointer not detected (worked in 1.71)) 2017-04-24 18:27:16 +02:00
PKEuS de86d40c97 Fixed handling of NULL and nullptr in CheckNullPointer 2017-02-24 19:44:28 +01:00
PKEuS b08f99a082 Fixed false negative: nullpointer passed as std::string argument (#7927) 
Refactorization: Removed dead code from CheckNullPointer::parseFunctionCall()
 2017-02-24 19:10:34 +01:00
PKEuS 2f6350a0d0 Refactorized Library 2016-12-06 14:09:28 +01:00
Stefan Weil 57b57428c2 Fix some typos in comments (found by codespell) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2016-11-27 11:40:42 +01:00
Frank Zingsheim d4f01583b6 Fixed TODO (check if function parameter is non-const reference etc..) by common function 2016-11-01 14:06:30 +01:00
Daniel Marjamäki efa3aba32a Remove Tokenizer::simplifyNull() 2016-10-18 21:44:02 +02:00
Daniel Marjamäki af5dd2c29e New check: Pointer overflow (null pointer subtracted) 2016-10-09 15:15:29 +02:00
Daniel Marjamäki ed4a47de45 Tokenizer: Improve syntax checking of switch,if,while 2016-07-22 16:54:24 +02:00
PKEuS 923f7f843d Better distinguishing between possible and known null pointer dereferenciations (#7157) 2016-01-30 20:43:40 +01:00