Commit Graph

7165 Commits

Author SHA1 Message Date
orbitcowboy 785df82513 #6660: Fixed crash in Tokenize::SetVarid(). 2015-04-29 09:18:54 +02:00
Daniel Marjamäki 88f59ad7e8 Partial fix for #6656 (Allow that CWE is mapped for error message) 2015-04-25 17:48:11 +02:00
Daniel Marjamäki ad6db2ba81 Reverted 105de8e917, new checker had FPs that need to be fixed. 2015-04-25 15:35:31 +02:00
Daniel Marjamäki bdc024bd7c Fixed 6634 (false positive: dereferencing null pointer in a sizeof operation) 2015-04-20 13:46:02 +02:00
amai2012 8d8fffb20f #6651 Don't call member function on NULL pointer - even if call is "safe" 2015-04-17 08:47:59 +02:00
PKEuS ac867b4220 Handle pointers to const member functions in Tokenizer::simplifyFunctionPointers() (#6603) 2015-04-13 21:21:57 +02:00
PKEuS c4ceb97cea Fixed #6629: Don't simplify sinf(0) if sinf is a variable 2015-04-13 20:37:07 +02:00
PKEuS 708a379fd2 Refactorized simplification of sizeof without parantheses:
- Moved sizeofAddParentheses() behind combineOperators()
- Improved sizeofAddParentheses() to handle all code from unit tests at simplifyTokenList1()
- Removed simplification from simplifyTokenList2()
2015-04-13 20:18:21 +02:00
PKEuS 4c40664861 Fixed #6639: Calculate sizeof() of multidimensional arrays 2015-04-13 20:18:21 +02:00
PKEuS 19bba94282 Merge pull request #589 from simartin/restore_libcpp_build
Restore build with libc++ and revert PR#228 and PR#562.
2015-04-13 17:12:00 +02:00
PKEuS b6709294a8 Fixed ...... in template instantiations (similar to constconst from #6604) 2015-04-13 17:03:06 +02:00
Simon Martin e5745d7d4a Restore build with libc++ and revert PR#228 and PR#562. 2015-04-12 20:29:49 +02:00
PKEuS c2ccd7d9e4 Simplify _declspec like __declspec 2015-04-11 11:02:52 +02:00
Matthias Krüger 42f0955e3f Move more setting checks out of loops and use const bools instead. Reorder a few related checks.
Follow up to eedcb6abcb .
2015-04-10 14:31:19 +02:00
Frank Zingsheim 84830638a2 Improved fix #6636: (False positive unreadVariable - scope analysis seems to fail to False positive unreadVariable) 2015-04-09 21:09:31 +02:00
Robert Reif 4ceb24630d Fixed #6568: Scope for template class member function missing in symboldatabase 2015-04-09 21:01:47 +02:00
PKEuS d5ad1def40 Removed two unused functions 2015-04-09 20:54:07 +02:00
PKEuS 4e5c5eb238 Fixed #5665: Recognize free() with more than one parameter 2015-04-09 20:50:19 +02:00
Frank Zingsheim d52b031301 Fixed #6638: (varid for loop in for statement) 2015-04-09 19:58:12 +02:00
Frank Zingsheim 648ee95f31 Fixed #6636: (False positive unreadVariable - scope analysis seems to fail to False positive unreadVariable)
Bug was introduced by 1f5265c1bd
2015-04-08 20:30:41 +02:00
Daniel Marjamäki d563bd73f4 Fixed #6583 (False positive uninitvar - exit() ignored?!) 2015-04-08 15:35:04 +02:00
Gustav Palmqvist 105de8e917 #220 uninitialized variable: using variable in ctor before it has been initialized. Implement new check usageBeforeInitialization 2015-04-07 22:01:13 +02:00
orbitcowboy 8596794ce7 MathLib:mod: Declared local variable as const. No functional change. 2015-04-07 17:21:28 +02:00
Matthias Krüger eedcb6abcb move setting flags checks out of for loops, make them const. 2015-04-07 07:23:28 +02:00
Frank Zingsheim 1f5265c1bd Fixed #6253 ([False Positive] Variable not initialized in the constructor) 2015-04-06 19:47:21 +02:00
Alexander Mai 9876cf2312 #6626 crash: Token::astOperand2() const ( do while ). Fix two segmentation faults on invalid code. 2015-04-06 17:23:48 +02:00
Matthias Krüger 7fdbb91694 don't print warning message if --enable=warning is not specified.
message was of type:
(warning) Possible null pointer dereference: previous - otherwise it is redundant to check it against null.
2015-04-06 15:05:34 +02:00
Matthias Krüger 22d97fdbd6 don't print style message if --enable=style is not specified.
message was of type:
(style) Redundant checking of STL container element existence before removing it.
2015-04-06 14:26:15 +02:00
Matthias Krüger 988acf11b4 don't print warning message if --enable=warning is not given.
message was of type:
(warning) Passing value 0 to foo() leads to implementation-defined result.
2015-04-06 13:37:27 +02:00
Matthias Krüger 592177200a don't print warning message if --enable=warning is not given.
message was of type:
(warning) Call of pure virtual function 'foo' in constructor.
2015-04-06 13:34:44 +02:00
Matthias Krüger 6ff9a52d8b don't print style message if --enable=style is not given (#6627)
message was of type:
(style) Class 'foo' is unsafe, 'foo::bar' can leak by wrong usage.
2015-04-06 12:02:21 +02:00
Simon Martin 0f7f08644c Show template instantiation and not definition location in template instantiation debug message. 2015-04-05 14:54:24 +02:00
Robert Reif c02acea5bf Fixed #6614 (false positive: (style) The class 'A' does not have a constructor.) 2015-04-04 11:33:25 +02:00
Daniel Marjamäki aacd9b9f6b Fixed #6586 (Tokenizer: '>>' is wrongly tokenized as '> >' - if (n1 < len>>1)) 2015-04-03 20:25:49 +02:00
Dmitry-Me ba423185b8 Omit uneeded checks 2015-04-02 10:26:19 +03:00
amai2012 788da37e05 Merge pull request #584 from Dmitry-Me/betterVariableName3
Formatting cleanup, better variable name
2015-04-02 09:20:31 +02:00
Dmitry-Me 7b69396223 Formatting cleanup, better variable name 2015-04-01 18:23:51 +03:00
Dmitry-Me aa7d665e7a Better variable name 2015-04-01 16:39:45 +03:00
PKEuS 72b4809da0 Moved simplification of operator names before template and parentheses simplifications (#6576) 2015-04-01 13:47:36 +02:00
PKEuS 0d37c4df04 Fixed three unique crashs on garbage code (#6613).
Removed redundant copy of string in templatesimplifier.cpp
2015-04-01 12:43:24 +02:00
PKEuS 4c3a7661c3 Merge pull request #565 from Dmitry-Me/cacheAndReuse
Cache and reuse value
2015-04-01 11:30:13 +02:00
PKEuS 04a3196a32 Merge pull request #576 from Dmitry-Me/anyParameterType
Constructor parameter type need not be a number
2015-04-01 11:29:44 +02:00
Daniel Marjamäki e3bff8ff07 astyle formatting 2015-03-29 21:05:18 +02:00
Dmitry-Me 7c402afeb7 Preprocessor: Reduce overhead from searching for fallthrough comments when not needed 2015-03-29 09:28:17 +02:00
Dmitry-Me e36ff852cd Don't call abort() in the middle of C++ code 2015-03-26 15:26:08 +03:00
Dmitry-Me e8f0abf259 Proper simplify delete a,b 2015-03-25 16:54:23 +03:00
Dmitry-Me d735918a8a Constructor parameter type need not be a number 2015-03-25 14:56:45 +03:00
Dmitry-Me 9398fa810b Avoid value truncation 2015-03-25 10:39:09 +03:00
PKEuS be4e51f00b Merge pull request #571 from Dmitry-Me/omitUnneededActions3
Omit unneeded actions
2015-03-24 19:25:22 +01:00
PKEuS b9ff2fd922 Merge pull request #573 from Dmitry-Me/removeDuplicateCheck
Remove duplicate check
2015-03-24 19:24:14 +01:00
amai2012 035faa4b6b Merge pull request #572 from Dmitry-Me/mergeOverlappingPatterns4
Merge overlapping patterns
2015-03-24 16:55:37 +01:00
Dmitry-Me 8a4033e13a Omit unneeded actions 2015-03-24 16:01:59 +03:00
Dmitry-Me c9cdba5865 Remove duplicate check 2015-03-24 15:58:03 +03:00
Dmitry-Me 4201279954 Merge overlapping patterns 2015-03-24 10:22:26 +03:00
Daniel Marjamäki a3a5c74bbf Revert "Remove bitwise-or abuse"
This reverts commit 7017b051fe.
2015-03-24 08:07:15 +01:00
PKEuS ab97d8dd6f Merge pull request #569 from Dmitry-Me/removeBitwiseOpAbuse
Remove bitwise-or abuse
2015-03-23 20:23:07 +01:00
Dmitry-Me 7017b051fe Remove bitwise-or abuse 2015-03-23 13:30:05 +03:00
Dmitry-Me 0383998aea Better variable name 2015-03-23 11:58:56 +03:00
PKEuS 19f770e41b Fixed #6604 - don't create template instanciations with "const const const const..." patterns. 2015-03-22 11:20:47 +01:00
amai2012 a9b7299dc3 Merge pull request #566 from simartin/ticket_6587
Ticket #6587: Do not consider template expressions in decltype as instantiations
2015-03-21 18:13:46 +01:00
Simon Martin ec1eebf585 Ticket #6587: Never consider a template parameter's default value as an instantiation. 2015-03-21 16:30:00 +01:00
amai2012 bb9848d24a Merge pull request #563 from Dmitry-Me/deconvoluteCheck
Make the check slightly less convoluted
2015-03-21 12:27:37 +01:00
Dmitry-Me 8f21aba606 Cache and reuse value 2015-03-20 12:39:51 +03:00
Dmitry-Me 4a75ac58cf Merge overlapping patterns 2015-03-20 11:06:18 +03:00
Dmitry-Me 5f6aaa4573 Make the check slightly less convoluted 2015-03-20 11:03:11 +03:00
Simon Martin 2587ebf189 Restore build on Mac OS X on which we're force to use GNU's STL, that does not have cend()... 2015-03-19 20:25:57 +01:00
amai2012 4086127144 Merge pull request #559 from Dmitry-Me/omitUnneededActions2
Omit unnecessary operations
2015-03-19 19:03:47 +01:00
Dmitry-Me 20d4c6fad3 Eliminate duplication in TCHAR functions substitution 2015-03-19 18:41:36 +03:00
Dmitry-Me 4fcbe00913 Omit unnecessary operations 2015-03-19 15:14:07 +03:00
Dmitry-Me 9703e6b72b Unicode names set for ANSI 2015-03-19 13:26:08 +03:00
Dmitry-Me 7afe4ba5e0 Mismatching TCHAR function names 2015-03-19 10:41:02 +03:00
Daniel Marjamäki dbfbddb178 Merge pull request #555 from Dmitry-Me/eliminateRepeatedFind
Eliminate repeated lookup
2015-03-19 06:45:26 +01:00
Jakub Melka a49efb13f6 Added auto_ptr checking for malloc 2015-03-19 06:41:54 +01:00
Dmitry-Me 8f8ba65a29 Eliminate repeated lookup 2015-03-18 11:52:09 +03:00
Dmitry-Me 15a847cc0d Move declaration to where it's first needed 2015-03-18 10:07:13 +03:00
Dmitry-Me 3ab3715a88 Merge overlapping patterns 2015-03-17 16:23:19 +03:00
PKEuS e8161aeda6 Refactorized Scope::getVariableList(): Removed scope depth counter, simplified patterns 2015-03-15 12:37:50 +01:00
PKEuS e978a681a3 Removed unused variable 2015-03-15 10:19:35 +01:00
PKEuS 0d127f15a5 Fixed grammar mistake; fixed two VS2013 code analysis messages; removed redundant Token::Match call 2015-03-15 10:06:56 +01:00
PKEuS 713d993f71 Some refactorizations in Tokenizer:
- Refactorized simplifyTypedef
- Perform some template specific code only on non-C code
2015-03-15 10:04:44 +01:00
PKEuS d6751a7987 Merge pull request #537 from Dmitry-Me/decouplePatternMatchingFromOtherChecks
Decouple pattern matching from other checks
2015-03-15 08:50:59 +01:00
Daniel Marjamäki a200e5b32f Merge pull request #551 from simartin/ticket_4335
Ticket #4335: Properly detect and handle template class specialisations
2015-03-15 07:59:11 +01:00
Simon Martin 520314f9a0 Ticket #4335: Properly detect and handle template class specializations. 2015-03-15 00:28:33 +01:00
Simon Martin 32a7a178e8 Code simplification now that ">>" is turned into "> >" when it closes template argument lists. 2015-03-14 23:02:10 +01:00
amai2012 40769c9a59 Merge pull request #549 from simartin/ticket_6437
Ticket #6347: Fix use after delete when simplifying template instantiations
2015-03-14 22:30:58 +01:00
PKEuS 430d8ca760 Refactorized code in simplifyEnum() 2015-03-14 20:43:14 +01:00
Daniel Marjamäki fd6bd97972 Fixed #6495 (Improve check: uninitialized variable, 3rd function argument) 2015-03-14 19:23:33 +01:00
Simon Martin 4c916641cc Ticket #6347: Fix use after delete when simplifying template instantiations. 2015-03-14 18:46:17 +01:00
Daniel Marjamäki 42c4aa1c49 Fixed #4880 (false negative: uninitialized variable, handling of conditional noreturn scopes) 2015-03-14 17:59:11 +01:00
amai2012 53e2d425d1 Merge pull request #546 from Dmitry-Me/properChainConditions
Proper if-else-if chain for mutually exclusive conditions
2015-03-14 17:38:06 +01:00
Dmitry-Me 2b50e73aa9 Misleading comment 2015-03-14 15:18:29 +03:00
Dmitry-Me 89ec9058a8 Proper if-else-if chain for mutually exclusive conditions 2015-03-14 15:09:46 +03:00
Dmitry-Me 43a19dee8b Remove unneded deep copy, make reference const 2015-03-14 13:45:21 +03:00
PKEuS 6e0302fd56 Refactorized CheckBool::checkComparisonOfBoolWithInt(), CheckBool::checkComparisonOfBoolExpressionWithInt() and CheckBool::pointerArithBool():
- Support more patterns in CheckBool::pointerArithBool()
- Use AST and SymbolDatabase
- Removed redundant skipping over template arguments
2015-03-12 20:07:48 +01:00
PKEuS 7f2b6881b3 Refactorization: Avoid including path.h in (almost) every source file (via library.h) 2015-03-11 22:54:45 +01:00
PKEuS 3d2e26daeb Small Refactorizations:
- Removed #include "symboldatabase.h" from library.h
- Moved variable to inner scope in tokenize.cpp
- Removed unnecessary variable in tokenize.cpp
2015-03-11 20:52:54 +01:00
PKEuS cd84d78e92 Ran AStyle, fixed VS2015 warning in symboldatabase.h 2015-03-11 20:26:53 +01:00
PKEuS 9bafa3bf25 Fixed false positive #6575 2015-03-11 20:25:27 +01:00
amai2012 ed097d4c4f Merge pull request #540 from JakubMelka/ticket_695
Ticket #695: new style check : explicit declaration of ctor
2015-03-11 12:15:22 +01:00
Jakub Melka e1e1dbfe97 Ticket #695: Fixed VS 2010 issue, switched to "style" severity, changed error messages and updated unit tests 2015-03-10 19:35:12 +01:00
Jakub Melka b7d92a4fc7 Fixed warnings of CppCheck's own code (caused by new check #695) 2015-03-08 18:18:09 +01:00
Daniel Marjamäki 2d8a6c7b89 Fixed #6571 (Library::isNotLibraryFunction: Return true for methods) 2015-03-08 16:13:32 +01:00
Simon Martin 1d973b882d Ticket #6567: Handle member functions in TemplateSimplifier::getTemplateNamePosition. 2015-03-07 21:52:12 +01:00
Jakub Melka 2af9212b16 Ticket #695: new style check : explicit declaration of ctor 2015-03-07 20:07:54 +01:00
Daniel Marjamäki 0131bda065 Merge pull request #539 from simartin/ticket_6181
Ticket #6181: Normalize '>>' into '> >' when it's closing a C++11 template parameter list
2015-03-07 15:02:21 +01:00
Simon Martin 9c6a625f91 Ticket #6181: Normalize '>>' into '> >' when it's closing a C++11 template parameter list. 2015-03-07 11:06:04 +01:00
Daniel Marjamäki 87ebeb3f65 Fixed #6533 (library: alloc/dealloc doesn't work when function declaration is seen) 2015-03-07 09:43:56 +01:00
Dmitry-Me 74417699db Remove redundant break 2015-03-06 18:55:47 +01:00
Daniel Marjamäki f705cdce72 Fixed #6556 (Tokenizer::simplifyVarDecl: doesn't simplify template variables properly) 2015-03-06 17:30:20 +01:00
Daniel Marjamäki e38f15ecc0 --check-library: dont write <noreturn> messages now since they cant be fixed. 2015-03-05 07:19:03 +01:00
Daniel Marjamäki 6646a896f9 Fixed #6446 (FP zerodivcond on double arithmetics) 2015-03-03 15:50:31 +01:00
Daniel Marjamäki 925f077b8a Fixed #6110 (TemplateSimplifier::simplifyCalculations: wrong simplification of 'if (VG_(strlen)(s)>=3)') 2015-03-02 16:27:00 +01:00
Daniel Marjamäki 86cdc8e7a6 Fixed #6540 (Tokenizer::simplifyKnownVariables: Missing varid for simplification in conditional code) 2015-03-02 06:18:00 +01:00
Daniel Marjamäki 830f656a25 Library: variables are not library functions (variable declarations can look like function calls) 2015-03-01 11:46:43 +01:00
Robert Reif 27388c3696 Fixed #6546 (False positive uselessAssignmentPtrArg - triggered by throw?) 2015-02-28 16:07:43 +01:00
Daniel Marjamäki 449b88aa0c Fixed #6547 (Regression - unknown macro causes analysis error) 2015-02-28 11:09:39 +01:00
Daniel Marjamäki 3add466035 Add isFunctionHead() in Tokenizer 2015-02-27 18:29:34 +01:00
Dmitry-Me 10b762da98 Decouple pattern matching from other checks 2015-02-27 13:09:06 +03:00
Dmitry-Me 848f50b005 Get rid of Hungarian notation 2015-02-27 12:02:12 +03:00
Daniel Marjamäki acbf48c7fa Fixed #6548 (Tokenizer: Wrong varid set after function which is throw()) 2015-02-26 16:31:42 +01:00
Dmitry-Me 22b0f37aaf Cache and reuse value 2015-02-26 14:34:18 +03:00
Dmitry-Me d7365519a5 Cache and reuse value 2015-02-26 11:48:15 +03:00
PKEuS cb4bf73749 Merge pull request #530 from Dmitry-Me/doChecksEarlier
Don't run the checks which will be silenced later anyway
2015-02-25 19:22:00 +01:00
amai2012 b9316e8ce0 Merge pull request #531 from Dmitry-Me/removeRedundantCasts
Remove redundant casts
2015-02-25 07:57:52 +01:00
Daniel Marjamäki d1892786b8 ValueFlow: Improved when using '[' on arrays and strings 2015-02-24 15:57:39 +01:00
Dmitry-Me 938b84903f Remove redundant casts 2015-02-24 15:15:22 +03:00
Alexander Mai 8427398d9d #6539 Segmentation fault in Tokenizer::duplicateTypedef. Avoid crash on garbage code 2015-02-24 11:15:23 +01:00
Dmitry-Me 24d2b0368f Don't run the checks which will be silenced later anyway 2015-02-24 10:20:43 +03:00
Robert Reif 130ffc5752 Fixed #6538 (Symboldatabase: improve isFunction) 2015-02-24 06:11:31 +01:00
Alexander Mai b9cc5b5c6b #6543 crash: CheckCondition::checkBadBitmaskCheck ; wine dlls/gdi32/dibdrv/primitives.c. Run astyle. 2015-02-23 22:06:55 +01:00
Daniel Marjamäki fb5cc6fded Fixed #5905 (isSameExpression: comparisons 'a<b' and 'a>b' are same) 2015-02-23 16:38:55 +01:00
Daniel Marjamäki 830d1eb3fd Revert "Fixed #6538 (Symboldatabase: improve isFunction)"
This reverts commit d7ef89bbe6.

There was crashes in a Travis job.
2015-02-23 08:07:19 +01:00
Robert Reif d7ef89bbe6 Fixed #6538 (Symboldatabase: improve isFunction) 2015-02-23 06:49:50 +01:00
Alexander Mai 26c2c4a824 Extend verbose message for memsetClassFloat 2015-02-22 15:41:02 +01:00
Daniel Marjamäki d4fa656e58 Refactor and improve Tokenizer::sizeofAddParentheses 2015-02-22 13:38:06 +01:00
PKEuS bedc935ab0 New check: Warn about constant expression if ( unknown | non_null_constant) (#6519) 2015-02-22 13:09:39 +01:00
PKEuS 5f31242ee8 CheckOther::checkRedundantAssignment(): Bail out on inline assembly (#6525) 2015-02-22 12:03:53 +01:00
PKEuS f04070940e Fixed setVarId on ternary operator in initialization list 2015-02-22 11:57:46 +01:00
PKEuS bae95b4560 Fixed noise in CheckOther::checkLibraryMatchFunctions(). 2015-02-21 12:39:02 +01:00
PKEuS e02caea025 Fixed C&P-mistake in comment 2015-02-21 12:39:02 +01:00
Dmitry-Me 19d05979ee Remove C4189 in release builds 2015-02-20 11:00:34 +03:00
Dmitry-Me 158a2acc41 Resolve CID 1037075 2015-02-19 17:16:38 +03:00
PKEuS 6227abac73 Fixed GCC (testsymboldatabase.cpp) and MSVC (checkother.cpp) warnings 2015-02-18 21:19:36 +01:00
Alexander Mai 6a7605271a Fix compiler warning. Add interfaces of POSIX passwd.h and pwd.h to posix.cfg 2015-02-18 20:56:44 +01:00
Daniel Marjamäki e251a99817 AST: fix handling of sizeof. ticket #6515 2015-02-18 19:56:13 +01:00
Daniel Marjamäki b1e9d9b86f Coverity CID 1270450: Removed redundant conditions 2015-02-17 19:32:59 +01:00
Alexander Mai 0a6babea74 #6181 Drop redundantGetAndSetUserId. Ensure (style-) warnings are issued if setuid()/getuid() and some related functions are ignored. Move strdupa()/strndupa() from posix.cfg to gnu.cfg 2015-02-16 22:19:51 +01:00
Daniel Marjamäki 42b40b0c85 Merge pull request #525 from Dmitry-Me/moreDoubleSlashCases
Handles double slashes close to end of path, more tests
2015-02-16 18:02:51 +01:00
Dmitry-Me f0e0201c2d Better handle double slashes, more tests 2015-02-16 13:11:13 +03:00
Dmitry-Me 56747e4af9 Reorder checks 2015-02-16 12:11:13 +03:00
Simon Martin c4c46be972 Revert fix for #6181, that caused #6354 and #6414. 2015-02-14 12:29:05 +01:00
Luis Díaz Más 22424ba54a Add CMake files 2015-02-13 19:00:14 +01:00
Daniel Marjamäki 6afe2e9fdc astyle formatting 2015-02-13 16:36:47 +01:00
Dmitry-Me 5674b3c49d early break in loop for readability 2015-02-13 16:36:20 +01:00
Dmitry-Me 7961bba0da Path: better handling of UNC paths 2015-02-13 16:32:45 +01:00
Daniel Marjamäki 2d21eb07ba Cleaned up snprintf hardcoding in CheckBufferOverrun 2015-02-13 06:44:38 +01:00
Daniel Marjamäki 9aad4fa8ca CheckBufferOverrun: Remove hardcoding for sprintf and rely on cfg configuration instead 2015-02-12 17:29:36 +01:00
amai2012 baba720e58 Merge pull request #518 from Dmitry-Me/removeRedundantCode
Remove completely redundant code
2015-02-11 17:17:15 +01:00
Daniel Marjamäki a24cbc448a CheckBufferOverrun: loop through all arguments in checkFunctionCall 2015-02-11 16:24:25 +01:00
Daniel Marjamäki d9deabe2ce TestBufferOverrun: clean up 2015-02-10 17:29:36 +01:00
Dmitry-Me 77aa385384 Remove completely redundant code 2015-02-10 13:52:04 +03:00
Dmitry-Me dfd19233e9 Simplify loop logic 2015-02-09 14:40:17 +03:00
Dmitry-Me 6eacb4957c Simplify ternary operators, use else-if to avoid extra comparison 2015-02-09 11:46:27 +03:00
Dmitry-Me fd0155cacf Reuse already known values 2015-02-09 10:23:36 +03:00
Daniel Marjamäki 8a1b8df1ba ValueFlow: Improved handling of alias values in valueFlowForward 2015-02-08 19:20:05 +01:00
Daniel Marjamäki 1d873de67f Fix testrunner 2015-02-07 19:44:33 +01:00
Daniel Marjamäki 62a5d88eb0 ValueFlow: Improved handling of strings 2015-02-07 18:14:22 +01:00
Matthias Krüger dd70b6e0cd fix internal message: [lib/valueflow.cpp:239]: (warning) Found simple pattern inside Token::Match() call: "} ;" 2015-02-07 12:51:17 +01:00
Daniel Marjamäki 29db3eb848 Fixed #5980 (ValueFlow: pointer cant be 0 below throw in switch) 2015-02-07 10:45:30 +01:00
Dmitry-Me 6f6f9f7754 Reorder checks, move declaration 2015-02-06 16:30:39 +03:00
Daniel Marjamäki eec938dbad Fixed #6249 (False positive: Incorrect detection of (assignment + comparison) inside for-clause) 2015-02-05 20:17:30 +01:00
Dmitry-Me cc18b8d1bb Merge overlapping patterns 2015-02-05 17:30:49 +03:00
Dmitry-Me 1f31dd749b Break loop early 2015-02-04 10:47:58 +03:00
Robert Reif 323475393b Symboldatabase: improved debug output 2015-02-04 06:08:41 +01:00
PKEuS f1714110d0 Fixed crash if double constants are passed as default arguments (#6494) 2015-02-03 22:12:05 +01:00
Daniel Marjamäki 5888b65bd4 fixed --check-library information message 2015-02-03 17:50:32 +01:00
Dmitry-Me 5517c22524 Omit redundant token match 2015-02-03 15:01:09 +03:00
Dmitry-Me c05e632baf Cache and reuse value 2015-02-03 11:00:40 +03:00
Dmitry-Me 21fbc30d59 Calling a function using Class::func() syntax should not be simplified 2015-02-02 10:37:10 +03:00
PKEuS 9dfb864522 Fixed two nullpointer messages in cppcheck 2015-02-01 15:21:09 +01:00
PKEuS 451a277b18 Refactorization: Support function default values in ValueFlow, removed now obsolete CheckNullPointer::nullPointerDefaultArgument().
-> Use valueFlowForward() to parse values passed to functions
-> valueFlowForward(): Set value in first occurrence of a variable in a condition
2015-02-01 15:15:00 +01:00
PKEuS f78744ac30 Fixed AST generation if expression starts with ternary operator 2015-02-01 14:02:19 +01:00
Daniel Marjamäki d6c94e3828 isOppositeCond: Fixed FN 2015-02-01 13:03:38 +01:00
Daniel Marjamäki d091639080 Fixed #6482 (False positive multiCondition) 2015-02-01 12:58:06 +01:00
PKEuS b74b94b1e6 Partially reverted previous commit - std::vetcor instance creation can't be avoided without generating lots of debug messages 2015-02-01 12:33:53 +01:00
PKEuS 58c3fdd063 Fixed crash on garbage code introduced recently, optimized code in valueFlowFunctionReturn. 2015-02-01 12:26:46 +01:00
PKEuS a4cc4c3e3f Refactorization: Use SymbolDatabase scope information in ValueFlow 2015-02-01 12:10:20 +01:00
PKEuS 54b6b8e571 Fixed false positive #6481 2015-01-31 20:34:06 +01:00
PKEuS 21cb0cfd60 Take simplifyIfNotNull and simplifyIfNot out of simplifyTokenList1 (first step for #6072) 2015-01-31 20:12:02 +01:00
PKEuS 1f97e3001b Fixed calculation of array size (#6487) 2015-01-31 19:06:44 +01:00
PKEuS ae4b86c231 Several improvements to CheckMemoryLeakNoVar::checkForUnusedReturnValue():
- Support user defined functions (solves TODO tests)
- Print message if return value is not stored properly (adapted message text, #6458)
2015-01-31 17:28:03 +01:00
Daniel Marjamäki 73113c67e7 Fixed #6480 (False positive unreachableCode - member function exit called instead of ::exit()) 2015-01-31 16:55:55 +01:00
PKEuS 789665dadf Fixed #6455: Show uninitvar even for const variables 2015-01-31 13:21:22 +01:00
PKEuS 27924d4ae2 Improved detection of array dimensions (#6430) 2015-01-31 13:12:06 +01:00
PKEuS f771a79738 Removed obsolete internal check. The underlying but in Token::Match should be fixed since b4f0869a71 2015-01-31 12:56:54 +01:00
PKEuS 18b0e14590 Refactorizations: Fixed a pattern in checkbufferoverrun.cpp, simplified one in checkclass.cpp 2015-01-31 12:32:05 +01:00
PKEuS b2835051df Refactorization: Renamed Token::Match pattern %var% to %name%, implement new pattern %var% which is true if varId > 0. 2015-01-31 12:32:04 +01:00
PKEuS 33f5d27b53 Fixed varId0 message #6443. 2015-01-31 10:33:32 +01:00
Daniel Marjamäki 57ec1aea91 Library: Don't rely on ast in isNotLibraryFunction since it's used in tokenizer 2015-01-31 10:24:10 +01:00
PKEuS 36841cfa41 Better support for stream operator in CheckAutoVariables::returnReference() (#6423) 2015-01-31 10:12:49 +01:00
PKEuS 3a1bd4a5ad Fixed gcc shadowing warnings 2015-01-30 22:04:26 +01:00
PKEuS dcc1362890 SymbolDatabase: Support std::array (fixes #6401) 2015-01-30 21:56:27 +01:00
PKEuS 03e44d4aa0 CheckMemoryLeakInFunction: Don't treat delete as delete operator for C code
Fixed GCC message in checkbufferoverrun.cpp
2015-01-30 20:55:53 +01:00
PKEuS 98e33a189f Enhanced CheckBufferOverrun:
- Fixed bug in library: manual and existing libraries use "size", but library.cpp reads "sizeof" as podtype attribute
- Fixed a couple of bugs in handling unknown size in checkbufferoverrun.cpp, get size from library if available.
2015-01-30 20:27:48 +01:00
PKEuS b69528eb80 Bailout in Token::getValueTokenDeadPointer() if reference is used (#6399) 2015-01-30 19:29:37 +01:00
PKEuS 0d151b45b5 Better support for funciton pointers in checkuninitvar.cpp (#6404) 2015-01-30 19:16:25 +01:00
PKEuS 80feb8697d Fixed false positives #6473 and #6469 2015-01-29 21:26:06 +01:00
PKEuS 71379616e7 Fixed false positive #6467 2015-01-29 10:18:21 +01:00
PKEuS 9ada111045 Fixed false positive #6466 2015-01-29 09:50:48 +01:00
PKEuS 8225b12763 Fixed some cppcheck messages 2015-01-28 22:29:07 +01:00
PKEuS 3342ea4c54 CheckInternal: Complain about Token::Match pattern if %or% or %oror% is the only "complex" pattern 2015-01-28 19:48:36 +01:00
PKEuS 21bd1d080e Refactorization: Rearranged some code in checkleakautovar.cpp 2015-01-28 19:44:59 +01:00
PKEuS 0488f45a5f Removed standalone check CheckOther::checkDoubleFree(), integrated (most of) the functionality into CheckLeakAutoVar. Added support for new/delete to checkLeakAutoVar. 2015-01-28 17:38:43 +01:00
PKEuS 5c56e63996 Fixed false positive #6452: Handle member functions in CheckIO::checkFileUsage() 2015-01-27 21:52:52 +01:00
PKEuS e82d2b3c8d Fixed false positive #6453: Skip over inner class if checking outer function 2015-01-27 21:21:17 +01:00
Daniel Marjamäki 3285f85ebf Fixed #6460 (Library: better function/type matching) 2015-01-27 17:55:18 +01:00
PKEuS bfa16ec258 Set /LARGEADDRESSAWARE flag for Win32 builds
Idea from Kosta-Github (pull-request #501)
2015-01-27 15:43:40 +01:00
Dmitry-Me e7bb43fc6b Cache and reuse token pointer 2015-01-27 10:23:58 +03:00
Dmitry-Me c79bfdce2c CheckClass: Better checking of what operator= returns 2015-01-24 11:18:33 +01:00
PKEuS ee046af20c Fixed false positives #6450 and #6451 2015-01-23 19:38:39 +01:00
PKEuS da35a74589 Fixed false negative: Passing uninitialized variable to stream (#4673) 2015-01-22 22:56:41 +01:00
PKEuS da5a04f071 Fixed recently introduced FP in checkuninitvar.cpp if address of variable is passed to a function 2015-01-22 21:22:02 +01:00
PKEuS 4c76f71499 Reactivated old uninitialized variable checker which I accidentially disabled in previous commit 2015-01-22 17:34:22 +01:00
PKEuS f4d11a4209 Fixed false negatives on try and non-executable scopes in checkUninitVar, removed unnecessary function parameters 2015-01-22 13:55:19 +01:00
PKEuS bdae9064ea Support throw in checkleakautovar.cpp 2015-01-22 11:12:26 +01:00
PKEuS 331a6b66be Fixed internal message 2015-01-22 10:53:53 +01:00
PKEuS 7c60fe4aef Fixed crash introduced by last commit. 2015-01-22 10:51:06 +01:00
PKEuS 7364cc8040 Fixed false positive in fityk: operator new calling constructor 2015-01-22 10:37:31 +01:00
PKEuS 60b2b655df Support new/delete in new uninitialized variable checking; realloc() requires an initialized first argument. 2015-01-21 23:46:52 +01:00
PKEuS c3e47f7eaa Fixed false positive in CheckUninitVar and internal message 2015-01-21 22:26:44 +01:00
PKEuS 94c3c45350 CheckUninitVar: Use function information from library, bailout for '?' 2015-01-21 22:02:25 +01:00
PKEuS ecb9d87e42 Fixed false positive: Bailout in checkuninitvar.cpp if setjmp is found 2015-01-21 16:49:34 +01:00
PKEuS 5334aaa25f Refactorization:
- Removed a few unit tests of old uninitialized variable checking expecting other results than same test for new checking
- A few tweaks to new uninitvar checking to improve results when run on tests for old check
- switched some (TODO) tests to new check if the TODO is fixed
2015-01-21 16:17:58 +01:00
PKEuS d8e282fe76 Refactorization: Made checkUninitVar::isVariableUsage() non-static 2015-01-21 13:52:03 +01:00
PKEuS 346532d312 Fixed false positives in CheckUninitVar::checkStruct() 2015-01-21 13:11:48 +01:00
PKEuS 54de731cac Refactorized CheckUninitVar::checkScope(), fixed false negative 2015-01-21 12:20:03 +01:00
PKEuS 5f36c7c914 Improved detection of Type::needInitialization:
- Implement shortcut for C code - all types need initialization there
- Break out of loop faster if we encounter a type that needs initialization (it is sufficient if one member needs initialization)
2015-01-21 10:34:58 +01:00
Samir Aguiar 141a071792 * Added Clang-related flag to gui.pro
* Updated external lib location with PWD variable
2015-01-20 19:20:00 +01:00
Thomas Jarosch ec21134817 Fix false negatives for local suppressions
Introduce a new bool setting jointSuppressionReport
that will be set by the analyseWholeProgram() code path.

When the flag is enabled, unmatched suppressions are
collected after running the final whole program analysis
to prevent false positives for the unusedFunction check.

The check functions in the unit test
for single / multi file suppressions were unified.
2015-01-20 18:47:30 +01:00
orbitcowboy 5a8574cc05 tokenlist::createAst(); should not be const. 2015-01-20 11:22:22 +01:00
orbitcowboy bf1565bd34 Fixed inconclusive warnings regarding const correctness. 2015-01-20 09:09:16 +01:00
Robert Reif 56dc0b02ef Fixed #6432 (cppcheck fails to detect ctor - partial template specialization) 2015-01-19 16:15:11 +01:00
Robert Reif 3b8540fdc0 Fixed #6424 (false negative: Use of 'class Ns::C' silence Cppcheck) 2015-01-19 06:38:54 +01:00
Thomas Jarosch a83fe0e268 Check "var" for null pointer before using it
Reported by covertey -> amai on IRC.
2015-01-18 13:02:58 +01:00
Thomas Jarosch c0aceb893e Replace custom code with Settings::isWindowsPlatform() 2015-01-18 12:43:43 +01:00
Thomas Jarosch 9a5260a43f Only simplify Windows's DEBUG_NEW macro on Windows platform 2015-01-18 12:20:23 +01:00
Thomas Jarosch cd4c297dce Fix segfault in template simplifier
When something parsing the template syntax
went wrong, "tok2" was NULL and resulted
in deleting all remaining tokens. Whoops.

Triggered by gcc test suite:
gcc/testsuite/g++.dg/cpp0x/variadic87.C

Tracked down the source of the bug with
valgrind's "--track-origins=yes" switch.
2015-01-18 01:43:43 +01:00
Thomas Jarosch 58cb6cc116 Add new "style" check to catch redundant pointer operations
Doing "&*some_ptr_var" is redundant and might be the remainder
of a refactoring. Warnings for expanded macros are excluded though:
They are often used with and without pointers and
do something like this: "func(&(*macroarg))".

The new check is fully AST based and was given
strong false positive testing on a large code base.
2015-01-18 00:34:07 +01:00
Thomas Jarosch 2bcd675653 Verbose AST dump: Show if token is expanded from macro
I also added the token variable id, but that decreased
readability of the AST tree too much.
2015-01-17 23:20:52 +01:00
Thomas Jarosch 10fffbfce0 Use unsigned int for all flags
Frank Zingsheim reported: With the parameter 'flag_'
and the member variable '_flags' having the type 'int'
produces a lot of warings in clang:

"warning: implicit conversion changes signedness: 'int' to 'unsigned int'".
2015-01-17 16:46:05 +01:00
Thomas Jarosch fd01cafb1b Clean up redundant pointer operations 2015-01-17 16:29:50 +01:00
Thomas Jarosch e6f042dadc Multi process check: Sanitize error messages for illegal characters
before sending them across the pipe.

The deserializer died while deserializing
a string containing a binary zero.
2015-01-17 16:12:00 +01:00
Thomas Jarosch 36bcefc39d Don't crash when the deserialization of an error message fails
Found while scanning the code of an
open source project related to onions.
2015-01-17 16:09:58 +01:00
Robert Reif 193645318b Tokenizer: Remove macro in class declaration like 'class DLLEXPORT Fred {}' to be able to handle the class better later 2015-01-17 07:42:49 +01:00
Thomas Jarosch 08985bf68a Throw exception in getVariableFromVarId() if called with out_of_range varId
That way we have a chance to catch code bugs at all.
2015-01-15 18:52:11 +01:00
Thomas Jarosch 1cc85bfce3 Add bounds check to getVariableFromVarId()
While poking around the memory leak check,
I managed to trigger an out-of-bounds access
in the symbol database.

Fix it by sanity checking the variable id
passed to getVariableFromVarId().
2015-01-14 23:00:38 +01:00
Thomas Jarosch ef7f104335 Make sure we have a valid Variable pointer before dereferencing it
All other call sites check the pointer already.
2015-01-14 23:00:28 +01:00
Thomas Jarosch c92d861b1e Fix typo in "internal error" message 2015-01-12 23:09:17 +01:00
Robert Reif 68bb197bcb Destructor detected as constructor resulting in false variable not initialized warnings 2015-01-12 06:11:22 +01:00
Thomas Jarosch 059f9d056c Move to global variables to file scope
Putting them in the anonymous namespace
is the same effect as making them "static".
2015-01-11 12:37:11 +01:00
PKEuS 787cbcb02e Accept unknown elements in Library files, but print a warning. This fixes backward compatibility of libraries with older cppcheck versions 2015-01-10 22:18:57 +01:00
PKEuS fd2f93bb80 Two small refactorizations:
- Avoid leaving and entering again critical section without doing anything
- Use isPointer() in checkbufferoverrun.cpp instead of string comparison
2015-01-10 21:03:21 +01:00
PKEuS d019b7f9a6 Fixed wrong condition in library.cpp 2015-01-10 20:51:14 +01:00
Aneesh Azhakesan S fe5d2fc245 Fixed #5906 (false negative: 'else if' expression is always false (use library to determine if function is pure)) 2015-01-10 12:21:55 +01:00
Thomas Jarosch 332254e0af Make patterns compilable (mini refactoring) 2015-01-09 23:43:45 +01:00
PKEuS d110d715ba Refactorization: Use Token::link() when stringifying template argument list in symboldatabase.cpp 2015-01-09 22:03:43 +01:00
PKEuS 4da314b2e4 Declared recently added helper functions as static 2015-01-09 21:40:50 +01:00
PKEuS 25cd3794ac Refactorization: Simplified and unified SymbolDatabase printing 2015-01-09 21:35:16 +01:00
PKEuS 7452613479 Refactorization:
- Merged messages exceptThrowInNoexecptFunction, exceptThrowInNoThrowFunction, exceptThrowInAttributeNoThrowFunction and exceptThrowInDeclspecNoThrowFunction into a single message.
- Merged Token::fIsDeclspecNothrow into Token::fIsAttributeNothrow
2015-01-09 20:18:09 +01:00
PKEuS 4d5bf28b33 Refactorization: Removed code for copying attributes from function declaration to implementation in symboldatabase as it is neither tested nor necessary 2015-01-09 19:46:04 +01:00
Robert Reif 6998c55680 Symboldatabase: function return token (#6244) 2015-01-09 16:08:34 +01:00
Thomas Jarosch 374af15bd4 Fix parsing linkage specifier from global function declaration
Our very own "tools/dmake.cpp" had a function declaration
featuring "static void foobar()" while the function implementation
did not have the 'static' keyword (which is perfectly legal code).
2015-01-09 00:38:25 +01:00
Daniel Marjamäki 2375f1c46d CheckBufferOverrun: Fix FN when multifile checking is used. 2015-01-08 21:01:22 +01:00
Daniel Marjamäki 6a8293a8b7 Library: More strict matching of functions 2015-01-08 19:31:41 +01:00
Robert Reif ba1c24ee65 Fixed #6422 (symbol database: put function flags into a single flag variable) 2015-01-08 05:45:31 +01:00
Thomas Jarosch 4248c94d87 Silence compiler warning about unused parameter
PKEuS should decide if we can drop the parameter altogether.
2015-01-07 16:30:30 +01:00
Thomas Jarosch 2cb2161c5d Fix unmatched local suppression error message for "unusedFunction" (#6228)
This fixes a regression from commit
e35329aba3
(fix for #4946)
2015-01-07 15:40:12 +01:00
orbitcowboy cd98471398 Merge branch 'master' of https://github.com/danmar/cppcheck 2015-01-07 08:30:17 +01:00
Thomas Jarosch 4bec2b58fd Unused function check: Fix detection of func.usedOtherFile
Check if function is called from another file or not.
2015-01-07 11:29:37 +01:00
orbitcowboy c07b07b8fe Fixed #6415 - FP stringCompare memcmp(ptr, ptr+offset, length). 2015-01-07 08:30:05 +01:00
orbitcowboy ba837a6f2d Added support for strpbrk to std.cfg. Running astyle. 2015-01-07 02:34:41 +01:00
Daniel Marjamäki 8a6bb46958 Tokenizer: only print AST in debug output if --verbose is used 2015-01-07 06:46:04 +01:00
Daniel Marjamäki b0cc46e98b reverted 840b2fb0, it caused FN. tweaked the Tokenizer::simplifyAssignmentBlock to fix the FP it caused. 2015-01-07 06:38:42 +01:00
Daniel Marjamäki 840b2fb035 Tokenizer: Removed simplification Tokenizer::simplifyAssignmentBlock. This fixes a fp in linux. 2015-01-06 20:44:58 +01:00
Daniel Marjamäki a87fb96eaf Uninitialized variables: fix fp when 'a=((b)=c)' is used 2015-01-06 18:03:40 +01:00
Daniel Marjamäki 88e7b55a2d CheckSizeof: only report warnings when --enable=warning has been used 2015-01-06 15:20:42 +01:00
Daniel Marjamäki 1068e095e7 Fixed cppcheck warning about iterator post increment 2015-01-06 15:16:29 +01:00
Daniel Marjamäki 6c3b7c1d0e CheckBufferOverrun: only report warnings when --enable=warning has been used 2015-01-06 15:14:15 +01:00
Daniel Marjamäki 228f5960fc CheckIO: only report warnings when --enable=warning has been used 2015-01-06 15:08:25 +01:00
Daniel Marjamäki eee9183406 ValueFlow: improved handling of conditional noreturn scope in valueFlowForward 2015-01-06 14:12:35 +01:00
Daniel Marjamäki f2e5fbd30d Uninitialized variables: bailout when ({..}) are used to avoid fp. it can be handled better. 2015-01-06 07:44:04 +01:00
Daniel Marjamäki 1f698ca493 ValueFlow: Fixed valueFlowForward, when condition is false and else-block returns dont set values below the else-code 2015-01-05 16:39:47 +01:00
Daniel Marjamäki fe8d04e840 CheckNullPointer: Fix FP when x is NULL and address is calculated with expression '&x->y.z[0]' 2015-01-05 14:54:24 +01:00
Daniel Marjamäki c5467766e2 ValueFlow: Fix for valueflow analysis after for loop 2015-01-05 14:00:12 +01:00
Daniel Marjamäki a80101f277 CheckMemoryLeak: Fix FP for allocation functions that register memory before returning it 2015-01-05 13:23:38 +01:00
Daniel Marjamäki fb685f096a CheckOther:checkNegativeBitwiseShift: Fix FP when shift is protected by ?: 2015-01-05 10:01:04 +01:00
Thomas Jarosch 1ef1143609 Make local functions static 2015-01-05 01:25:49 +01:00
Daniel Marjamäki d1927e3492 Removed Tokenizer::simplifyStructInit simplification. 2015-01-04 16:48:52 +01:00
PKEuS 432ff8fa7b Fixed GCC warnings in checkstl.cpp 2015-01-04 14:32:20 +01:00
Daniel Marjamäki 7bafbfbd6e Tokenizer: cleanup simplification of '!= 0' to avoid FP in 'x[(y & 0x80) != 0]' (linux) 2015-01-04 13:50:54 +01:00
PKEuS e06a4cdf00 Refactorized CheckStl::if_find():
- Added support for find()-like functions to Library::Container
- Use <container> information from library
- Fixed false positive #6402
2015-01-04 12:43:50 +01:00
Daniel Marjamäki f94243f85e CheckMemoryLeak: Fix fp for allocation function that returns success value 2015-01-04 11:46:26 +01:00
Daniel Marjamäki b3c2ea2c4f CheckUninitVar: Fix fp for 'int x=2+x();' when x() is an unseen preprocessor macro 2015-01-04 11:13:20 +01:00
Zachary Blair 22bd20c94a New check: Use make_shared/make_unique (#5673) 2015-01-04 11:07:53 +01:00
PKEuS 016e89e422 Refactorizations:
- Disabled some parts of setVarId() for C code.
- Fixed mistake in <contaier> documentation
2015-01-04 10:52:11 +01:00
Daniel Marjamäki 8dd569b9e1 Refactoring: Use AST in CheckUninitVar::isVariableUsage() to determine if & operator is address-of. This fixes FP in linux. 2015-01-04 09:23:24 +01:00
PKEuS 11fa185cae Fixed crash on range-based for-loop 2015-01-03 22:36:39 +01:00
PKEuS 7ece58c3a0 CheckStl::stlOutOfBounds() now uses <container> information from Libraries 2015-01-03 22:18:33 +01:00
PKEuS e39729ffcc Library: Add <container> tag to Libraries, provide configuration for std::vector, std::deque, std::array and STL strings
Token: Added function to jump to the next template argument
2015-01-03 22:18:33 +01:00
Daniel Marjamäki eb1c048d2a Tokenizer: Fix wrong simplification when checking linux kernel 2015-01-03 21:35:03 +01:00
Daniel Marjamäki 014f8e3c71 Fixed #6396 (There are false negatives when --include is used) 2015-01-03 18:22:52 +01:00
PKEuS 267552779d Improved check (#6391): Detect identical code in both branches of ternary operator 2015-01-03 18:01:49 +01:00
PKEuS bb9ce68354 Refactorization: Reduced chaos in CheckOther::classInfo() 2015-01-03 18:00:16 +01:00
PKEuS 9e46aabc03 Set version to 1.68.99/1.69 dev 2015-01-03 17:44:47 +01:00
Daniel Marjamäki 6793e96458 1.68: Set versions 2015-01-03 13:20:01 +01:00
Daniel Marjamäki ff11ba9847 Updated copyright year to 2015 2015-01-03 12:14:58 +01:00
PKEuS 1355f49af7 Fixed false positive: Support assignments in CheckStl::if_find() 2015-01-03 11:29:13 +01:00
PKEuS 8885ac3eba Fixed #6217, refactorized CheckStl::if_find(): allow all comparison operators, use AST, fixed wrong unit tests 2015-01-03 11:07:11 +01:00
Martin Ettl c8bb19567b CheckString::checkAlwaysTrueOrFalseStringCompare: Added support for Microsofts string compare functions. 2015-01-02 15:33:55 +01:00
Martin Ettl 8f4f3ca063 CheckString::checkAlwaysTrueOrFalseStringCompare: Added support for string compare more functions. 2015-01-02 13:12:42 +01:00
Martin Ettl 465f74b3bb Fixed #6398 - false negative: (warning) Unnecessary comparison of static strings. 2015-01-02 12:58:04 +01:00
Robert Reif 1aa3adbb46 Refactorization: Speedup function lookup in symboldatabase (#6277) (Part 2) 2015-01-02 21:41:01 +01:00
PKEuS 417f42f732 Fixed #6096: bool is an integral type, but there is no portability issue if a pointer is assigned to a bool. 2015-01-02 21:07:02 +01:00
PKEuS 274e1a838a Fixed #5871: Properly parse initialization list in setVarId() if constructor is declared as noexcept 2015-01-02 20:03:06 +01:00
Robert Reif 9a679d1720 Refactorization: Speedup function lookup in symboldatabase (#6277) 2015-01-02 16:11:21 +01:00
orbitcowboy d53f2f583c Fixed #6388: Support strncasecmp 2015-01-02 14:04:55 +01:00
PKEuS c4fd8919a2 Fixed #6014: Added plausibility check before issuing null pointer messages on function calls defined in library 2015-01-02 13:35:39 +01:00
PKEuS 88990bac59 Fixed #6386: Improved behaviour on unknown language (header file) 2015-01-02 12:32:23 +01:00
PKEuS a3fbc5aee5 Refactorization: Avoid stringification of second branch if first branch was empty in CheckOther::checkDuplicateBranch() 2015-01-02 11:24:28 +01:00
Daniel Marjamäki 2831bbd420 ValueFlow: better handling of goto to avoid false positives 2015-01-01 14:29:49 +01:00
Alexander Mai d2caf89706 #6385 crash in Variable::getFlag(). Catch token without variable in fix for #6095. 2014-12-31 18:19:10 +01:00
Daniel Marjamäki 5c2a2a5c22 Fixed #6095 (False positive oppositeInnerCondition - neglecting statements with side-effects) 2014-12-31 15:14:22 +01:00
PKEuS 58f4660c94 Fixed #5223: Bailout in valueFlowForLoop1() for complex conditions
Refactorization: Reuse result instead of calling MathLib::toLongNumber() twice
2014-12-30 19:56:47 +01:00
PKEuS 5dc45bd4ac Fixed #5497: Support designated initializers in array size detection 2014-12-30 19:23:01 +01:00
PKEuS ec826a0e0e Fixed #6022: Support ++%var% in valueFlowForLoop1
Fixed TODO unit test: properly handle loops that are never executed
2014-12-30 18:50:22 +01:00
PKEuS 9e8a66ee40 Fixed #6373: Support bitops in clarifyCalculation check 2014-12-30 17:55:29 +01:00
Thomas Jarosch 69b31a0743 Fix up extra whitespaces in match patterns
Detected by new internal check.
2014-12-30 14:53:43 +01:00
Thomas Jarosch 17b47f1ce0 New internal check: Catch extra whitespace in match patterns
Inspired by a recent commit from PKEuS.
2014-12-30 14:21:18 +01:00
Daniel Marjamäki 208761f0c3 Fixed #6361 (crash: CheckBufferOverrun) 2014-12-28 10:05:08 +01:00
PKEuS 8b59c39c42 Refactorization: Removed whitespaces at the end of Token::Match patterns 2014-12-27 11:09:54 +01:00
PKEuS 990d14f3e2 Fixed #6328: Use isAttributeNoreturn() whereever we also check Library::isnoreturn(). 2014-12-27 11:07:36 +01:00
Robert Reif 9e60f584d9 Fixed #6321: Implemented function Token::swapWithNext(). 2014-12-27 10:53:26 +01:00
Dmitry-Me 14f13afa0a Don't care which type protected operator= returns 2014-12-26 15:38:22 +01:00
Daniel Marjamäki 6194a4eefd Fixed #6357 (Improve check: pointer arithmetic 'p+x' overrun, conditional x) 2014-12-26 09:12:00 +01:00
Daniel Marjamäki 7ab12cea63 Improved pointer arithmetic message 2014-12-25 14:31:46 +01:00
Daniel Marjamäki bc594d52c8 Fixed #6349 (Pointer arithmetic: clarify message) 2014-12-25 10:05:55 +01:00
Thomas Jarosch 26aa049724 Fix C++11 compat wrapper for clang
clang identifies itself as gcc 4.2.
The preprocessor macros can be dumped with:
     clang++ -dM -E -x c /dev/null
2014-12-25 01:28:02 +01:00
Daniel Marjamäki 0c086cf247 Incomplete statement: tweaked bailout for '0;' statement using isExpandedMacro() 2014-12-24 21:47:37 +01:00
Daniel Marjamäki 7cfa54f0e0 Fixed #6353 (False positive: CheckBufferOverrun checking reassigned array function parameter) 2014-12-24 14:03:52 +01:00
Daniel Marjamäki 06803ee333 Refactoring Tokenizer::simplifyAttribute 2014-12-24 13:03:38 +01:00
Daniel Marjamäki fb3f5a159d Token: Added flag for attribute noreturn (#6328) 2014-12-24 12:50:51 +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
Daniel Marjamäki 1b2a23b3fe Fixed #6350 (Tokenizer::simplifyCast: set Token::isCasted when cast is removed) 2014-12-23 16:16:14 +01:00
Daniel Marjamäki e16a934fb3 CheckBufferOverrun: Added comment in code to clarify why severity is portability for pointerOutOfBounds message. 2014-12-22 15:41:46 +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 10ae551fef CheckBufferOverrun: Use portability warning for pointer arithmetic UB. It can be used by intention and usually works as intended. 2014-12-22 10:56:17 +01:00
Thomas Jarosch dca65ce3da Fix FP if sizeof is used without parentheses on struct members
Right now we only support checking basic pointer types.
Pointers inside structs are not supported yet.

Consider the tokens "foo@1 . bar@2",
Token::Match( "sizeof ( %varid% )" ) won't match it.
Token::Match( "sizeof %varid%" ) did match it -> FP.
2014-12-22 09:44:08 +01:00
Daniel Marjamäki 93ac5a41cd Fixed #6346 (pointer calculation overflow) 2014-12-22 09:38:00 +01:00
Daniel Marjamäki 293dc1efc7 Fixed #6327 (Unwanted constStatement on (void)0) 2014-12-21 13:42:21 +01:00
PKEuS e03f49360f Merge pull request #484 from simartin/ticket_6181
Ticket #6181: Properly handle >> terminating template parameter lists.
2014-12-21 12:21:17 +01:00
Lauri Nurmi d543a85510 Fix compilation with GCC 4.4.
It was broken by fe468ac142.
2014-12-21 02:15:53 +02:00
Daniel Marjamäki a95e5bff2b Fixed #6344 (false positive: out of bounds access when array size is unknown) 2014-12-20 18:50:08 +01:00
Daniel Marjamäki f24e1b82cf astyle formatting 2014-12-20 18:47:40 +01:00
Daniel Marjamäki b8371ebd87 Revert 2e45df3b. Because there are FP. 2014-12-18 06:37:15 +01:00
Matthias Krüger cc7f69da54 fix two internal warnings:
[lib/checkuninitvar.cpp:1668]: (style) Call to 'Token::tokAt()' followed by 'Token::str()' can be simplified.
[lib/checkuninitvar.cpp:1669]: (style) Call to 'Token::tokAt()' followed by 'Token::str()' can be simplified.
2014-12-17 19:06:13 +01:00
orbitcowboy 2e45df3b72 Fixed #6341: false negative uninitvar pattern "return foo ( %var%" 2014-12-17 17:43:31 +01:00
Daniel Marjamäki a1537e1a6e Fixed #6339 (false negative: array index out of bounds on allocated buffer using valueflow) 2014-12-17 16:23:48 +01:00
Simon Martin 4c7a8c5497 Ticket #6181: Properly handle >> terminating template parameter lists. 2014-12-14 15:14:27 +01:00
PKEuS 010eb1c8cb Merge pull request #483 from simartin/ticket_6172
Ticket #6172: Properly grok %type%... template parameters.
2014-12-14 17:01:25 +01:00
Simon Martin 859c6381cc Ticket #6172: Properly grok %type%... template parameters. 2014-12-14 14:33:37 +01:00
Daniel Marjamäki 5490fad8c7 Fixed #5840 (False positive (inconclusive): Possible nullpointer dereference - use before for-loop over nested list) 2014-12-14 14:10:42 +01:00
Thomas Jarosch 2f1ba89567 Improve readability of Library::load()
by caching often used node names.

Also constify existing name caches.
2014-12-12 22:18:22 +01:00
PKEuS ff5ede342b Fixed #6266: Support noexcept(false) 2014-12-09 23:53:50 +01:00
PKEuS 4d81945ac5 Fixed a couple of #6276 integer over/underflow issues 2014-12-09 23:28:22 +01:00
PKEuS 493ab541ab Fixed #6291 and #6293: Support :: in front of function name in checkUnusedFunctions
Simplified code in CheckUnusedFunctions
2014-12-09 22:04:51 +01:00
PKEuS e9bc3b7acf Fixed #6308: Properly associate Function with Scope for destructors in SymbolDatabase 2014-12-09 21:36:09 +01:00
Alexander Mai cef324435f Remove dead code in CheckMemoryLeakInFunction::call_func() (Coverity CID 1257017) 2014-12-09 20:34:30 +01:00
Dmitry-Me ff6604e289 Make expensive string manipulation depend on settings 2014-12-09 06:08:38 +01:00
Alexander Mai ec2c4aa2e3 #6301 Unused shared lock variable. Add exception for std::shared_lock() to CheckUnusedVar::checkFunctionVariableUsage_iterateScopes() 2014-12-07 15:32:09 +01:00
Daniel Marjamäki 64e6b5186d astyle formatting 2014-12-05 06:41:47 +01:00
Alexander Mai c2584aa635 #6303 crash in CheckBufferOverrun. Add check on loop variable in CheckBufferOverrun::checkScope(). 2014-12-04 20:49:58 +01:00
Matthias Krüger 7a6cd54059 Fix [lib/tokenize.cpp:6184]: (warning) Found simple pattern inside Token::Match() call: ") {" 2014-12-04 11:11:47 +01:00
Daniel Marjamäki e3892a95b5 Fixed #6290 (Tokenizer: Because 'and' is not simplified to '&&' there are false positives) 2014-12-03 16:32:05 +01:00
Dmitry-Me 7d259c073a Cache and reuse value 2014-12-02 16:19:52 +03:00
Daniel Marjamäki 0b9d80c95d Refactoring CheckUnusedFunctions so it uses new infrastructure for multifile analysis 2014-12-02 06:41:18 +01:00
Dmitry-Me cf3f8c2f38 Refactoring: Replace names with underscores with camelCase names 2014-12-01 16:22:56 +01:00
Dmitry-Me c0d2933ec7 Reorder checks to avoid redundant actions 2014-11-30 16:14:53 +03:00
Dmitry-Me 6482fefe3e Cache and reuse previously computed value 2014-11-30 13:00:27 +01:00
Dmitry-Me 5e37275b2a Code cleanup. Use 'isDelete' instead of token match 2014-11-28 17:50:23 +01:00
Dmitry-Me 828fdb6c47 Code cleanup. Omit redundant check. 2014-11-28 17:48:23 +01:00
Robert Reif 418c2e51a0 Fixed #3314 (cppcheck incorrectly reporting Syntax error.) 2014-11-28 17:44:36 +01:00
Robert Reif 0dad8b64e8 Fixed #6268 (False positive functionStatic (inconclusive) - nested namespaces) 2014-11-27 06:29:33 +01:00
Daniel Marjamäki 139414bd5c astyle formatting 2014-11-26 16:13:57 +01:00
Daniel Marjamäki 465555e39d Fixed memory leaks for non-solaris compilers. 2014-11-26 16:13:40 +01:00
amai2012 0913a51ccd Merge pull request #469 from lasergnu/SEGV
Fix SEGV on Solaris x86
2014-11-25 17:01:00 +01:00
Dmitry-Me f926958acb Fix false positive about return type when there's =delete in operator= declaration 2014-11-25 15:52:52 +01:00
Jay Sigbrandt f7eeb82ca4 Fix SEGV on Solaris x86
On Solaris x86, with both GCC 4.8 and 4.9, running cppcheck causes a segmentation fault when process terminates.

The backtrace (dbx) where
=>[1] _ZNSt14_List_iteratorIP5CheckEppEv(0x804798c, 0x8047994, 0xc0d61d6, 0x291a), at 0x8291b7c
  [2] std::list<Check*, std::allocator, <Check*>void>::remove(0x84ab328, 0x80479c8, 0x80479d4, 0x82d96fc), at 0x82da984
  [3] Check::~Check(0x84a9fc4, 0x83d232c, 0xfef411fb, 0x83d135c), at 0x82d9709
  [4] CheckExceptionSafety::~CheckExceptionSafety(0x84a9fc4, 0xfee82a40, 0xfee82a40, 0xfedcf000), at 0x8311e7d
  [5] __static_initialization_and_destruction_0(0x0, 0xffff, 0xfedd4c80, 0xfedcf000), at 0x81b01f8
  [6] _GLOBAL__sub_D__ZN20CheckExceptionSafety11destructorsEv(0x83d135c, 0xfedd4f18, 0x8047a50, 0x828a5f5, 0xfedcf000, 0x8047a68), at 0x81b023c
  [7] __do_global_dtors_aux(0xfedcf000, 0x8047a68, 0xfece28cd, 0x8047b08, 0x8047a48, 0xfedcf000), at 0x8185b90
  [8] _fini(0x8047b08, 0x8047a48, 0xfedcf000, 0xfedd4f00, 0x8047a80, 0xfecd4e72), at 0x828a5f5
  [9] _exithandle(0xfeffb7d8, 0x8185a1a, 0x0, 0x0, 0x0, 0x0), at 0xfece28cd
  [10] exit(0x1, 0x8047b70, 0x0, 0x8047ba3, 0x8047bba, 0x8047ce6), at 0xfecd4e72

The destructor order is somehow getting messed up on this platform.

This fix moves the code away from header file and ensures _instances remains valid during termination.
2014-11-25 14:03:46 +01:00
Daniel Marjamäki a002654c47 Reverted refactoring 828417c for now. It caused a major slowdown in the unused functions checking. 2014-11-24 06:37:08 +01:00
Dmitry-Me 298021af1f Remove redundant variable and manipulation thereof 2014-11-22 12:17:49 +01:00