Commit Graph

235 Commits

Author SHA1 Message Date
Daniel Marjamäki f68fa72095 Fixed #7583 (Defect: False positive '(error) Reference to temporary returned') 2017-02-26 13:41:49 +01:00
PKEuS ea53bd22b7 Fixed false positive returnTempReference with operator++ (#7874) 2016-12-22 11:49:59 +01:00
Daniel Marjamäki aaf19c1e4f Fixed #7839 (Prefix increment triggers parameter modification warning) 2016-12-19 15:25:36 +01:00
Daniel Marjamäki 4388435ce1 Revert "checkautovariable: fix #7818, crash when accessing nullpointer tok2->next()."
This reverts commit a5d32aa7a5.
2016-11-20 17:21:56 +01:00
Matthias Krüger a5d32aa7a5 checkautovariable: fix #7818, crash when accessing nullpointer tok2->next().
Not test case added yet because I failed to add it as .h files to testgarbage.
2016-11-16 14:46:37 +01:00
Daniel Marjamäki 4732667488 ValueFlow: allow more value types 2016-11-13 22:33:39 +01:00
PKEuS 1715969f6f Support prefix-increment/decrement in CheckAutoVariables::assignFunctionArg() (#3177) 2016-10-10 21:34:40 +02:00
Alexander Mai d492500f34 #5844 False positive: returnReference fp for inner lambda function 2016-05-20 23:46:56 +02:00
Roberto Martelloni d3645d874e Mapped toomanyconfigs ,AssignmentAddressToInteger
,AssignmentIntegerToAddress ,CastIntegerToAddressAtReturn
,CastAddressToIntegerAtReturn ,assertWithSideEffect ,assignmentInAssert
,uselessAssignmentArg ,uselessAssignmentPtrArg
,comparisonOfFuncReturningBoolError
,comparisonOfTwoFuncsReturningBoolError ,comparisonOfBoolWithBoolError
,incrementboolean ,comparisonOfBoolWithInt ,compareBoolExpressionWithInt
,negativeIndex ,pointerOutOfBounds ,arrayIndexThenCheck
,possibleBufferAccessOutOfBounds ,argumentSize
,arrayIndexOutOfBoundsCond ,noConstructor ,copyCtorPointerCopying
,noCopyConstructor ,uninitMemberVar ,operatorEqVarError
,unusedPrivateFunction ,memsetClassFloat ,mallocOnClassWarning
,operatorEq ,thisSubtraction ,operatorEqRetRefThis ,operatorEqToSelf
,useInitializationList ,duplInheritedMember ,assignIfError
,comparisonError ,multiCondition ,mismatchingBitAnd
,oppositeInnerCondition ,incorrectLogicOperator ,redundantCondition
,moduloAlwaysTrueFalse to their CWEs ids.
2016-02-26 23:53:52 +00:00
PKEuS 23ad881c64 Fixed false positive returnLocalVariable (#7180) 2016-01-30 20:18:12 +01:00
Daniel Marjamäki 5e10e680da CWE: refactoring. use constants instead of magic numbers. 2016-01-25 20:01:48 +01:00
Roberto Martelloni bb6880919c CWE mapping 2016-01-15 17:07:14 +01:00
Lauri Nurmi 996c9244d8 Update copyright year to 2007-2016. 2016-01-01 15:34:45 +02:00
Daniel Marjamäki 0f9d90d2be Changed Copyrights. Removed my name. 2015-11-18 20:04:50 +01:00
Daniel Marjamäki 71bf0f076f CheckAutoVariables: Handle 'x-y' better in isAutoVarArray 2015-11-15 19:34:36 +01:00
Daniel Marjamäki 4e578af603 CheckAutoVar: Improved usage of AST and ValueFlow 2015-11-15 14:48:13 +01:00
Daniel Marjamäki c10a10c26f CheckAutoVariables: use ValueFlow to detect more errors when pointer aliases are used 2015-11-15 12:10:35 +01:00
Daniel Marjamäki ad0d23036c Fixed some cppcheck warnings about methods that can be static/const 2015-11-14 18:43:07 +01:00
PKEuS a8cf63239a Fixed false positive autovarInvalidDeallocation if deallocting result of member function (#6551) 2015-11-11 16:59:31 +01:00
Daniel Marjamäki 47f64df8aa minor refactoring 2015-09-09 10:08:37 +02:00
Simon Martin 59abb04042 Ticket #6596: Address of local variables can also be assigned to pointer-pointer arguments using the ptr[] syntax. 2015-08-28 20:29:51 +02:00
PKEuS 7bb79562e9 Skip inner classes in CheckAutoVariables::returnReference() (#6951) 2015-08-26 13:31:51 +02:00
PKEuS 6b4a0a5ed7 Merge pull request #652 from Dmitry-Me/mergeIdenticalMAtches
Merge identical matches
2015-08-26 11:38:50 +02:00
Dmitry-Me 77317c3373 Merge identical matches 2015-08-26 10:43:15 +03:00
Simon Martin 6fb19b02d0 Properly differentiate arrays of pointers and pointers to arrays. 2015-08-25 21:19:19 +02:00
PKEuS 4d80df2f4a Added pointer to Type to Token (similar to Token::Variable() and Token::function()):
- Accessible via Token::type()
- Renamed former Token::type() to Token::tokType()
- Removed SymbolDatabase::isClassOrStruct()
2015-08-15 11:19:21 +02:00
PKEuS a297a03b64 Fixed false positive #6787: Skip over lambdas in CheckAutoVariables::returnReference() 2015-08-14 13:03:07 +02:00
Daniel Marjamäki 9627fccdc5 assignFunctionArg: don't warn when there is self assignment. There is a separate warning for self assignments. 2015-08-09 14:51:23 +02:00
Boris Egorov f7c6140e1a checkautovariables: Simplify some conditions 2015-07-05 17:15:13 +02:00
Simon Martin 7481fbb028 Fixed #6506 (Properly detect calls to the deallocating free() function) 2015-06-20 21:00:54 +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
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
Matthias Krüger eedcb6abcb move setting flags checks out of for loops, make them const. 2015-04-07 07:23:28 +02:00
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 36841cfa41 Better support for stream operator in CheckAutoVariables::returnReference() (#6423) 2015-01-31 10:12:49 +01:00
Daniel Marjamäki ff11ba9847 Updated copyright year to 2015 2015-01-03 12:14:58 +01:00
Daniel Marjamäki a3efa1e180 Fixed #4776 (FP: Assignment of function parameter has no effect outside the function, with goto) 2014-10-21 16:21:33 +02:00
PKEuS 80df3dc642 Disabled several checks and simplifications for C code, if they are C++-only. Do not match arguments for C code, since there can't be overloads. 2014-09-01 18:43:24 +02:00
Dmitry-Me 9199dde560 Move declarations closer to where they're first used 2014-09-01 10:05:59 +04:00
PKEuS ac59485e7e Refactorized CheckAutoVariables::assignFunctionArg():
- Splitted message into style message (assigning non-pointers) and warning message (assigning pointers)
- Support operator++/-- (#4793)
2014-08-04 11:45:24 +02:00
Dmitry-Me c829dff2b9 Use temp variable to omit recomputing the same value. 2014-07-17 10:44:19 +04:00
PKEuS a04036337d Fixed #5860: Don't show returnTempReference for calculations on unknown types 2014-05-24 12:50:04 +02:00
PKEuS 8f79dc3ff8 Cleaned up includes and forward declarations in checkers:
- Removed definitely unnecessary forward declarations (e.g. "class Token"; token.h is already included by check.h, so a definition is unnecessary)
 - Removed unused includes
2014-05-24 12:50:03 +02:00
PKEuS 6635abbe55 Improved check: Complain about returning reference to literals or reference to calculation result (#4317) 2014-05-22 11:39:11 +02:00
Alexander Mai 146bf11aa7 #5793 - False positive: Deallocation of an auto-variable (at reference notation) 2014-05-12 19:53:49 +02:00
Alexander Mai d2ebd718a9 #5691 False positive: autovarInvalidDeallocation - function name 'delete' in C code 2014-05-01 07:32:37 +02:00
PKEuS ea23a0467b Fixed false positive #5732: autovarInvalidDeallocation on pointer to array 2014-04-27 12:18:33 +02:00
Alexander Mai 6a08c27183 Fix segfault in variableIsUsedInScope() - loop variable not check against NULL 2014-03-22 11:14:11 +01:00
Alexander Mai 3f30753122 Fixed #5537 (crash: clang ./lib/Basic/FileManager.cpp , since 354e84e7c8 , /lib/symboldatabase.h:288) 2014-03-09 08:17:24 +01:00
Daniel Marjamäki 569db24756 astyle formatting 2014-03-06 16:21:57 +01:00
Alexander Mai 354e84e7c8 Fixed #2298 (new check: passing stack-address to free()) 2014-03-06 06:32:30 +01:00
Simon Martin 875a3f47e7 Ticket #5478: Only functions and equal operators might return a temporary. 2014-03-02 09:39:10 +01:00
Daniel Marjamäki 23efc68dd7 use nullptr 2014-02-16 10:32:10 +01:00
Daniel Marjamäki fd3a8a2a18 Update copyright 2014-02-15 07:45:39 +01:00
Daniel Marjamäki 0ef1529ba5 Fixed #5005 (false positive: (warning) Assignment of function parameter has no effect outside the function.) 2013-10-06 16:07:27 +02:00
Daniel Marjamäki 1234ec95f0 Fixed #4998 (False positive: Address of local auto-variable assigned to a function parameter) 2013-10-06 14:23:26 +02:00
Daniel Marjamäki c2a8f6f59a astyle formatting 2013-09-28 09:32:41 +02:00
Simon Martin d67a0add47 Ticket #5024: Don't crash upon invalid code when checking auto variables. 2013-09-28 00:14:12 +02:00
PKEuS 8e84f30244 Refactorization: Make use of Function::retDef where it makes sense 2013-09-03 11:40:43 +02:00
PKEuS a9a5dc0354 Updated to AStyle 2.03, require this version 2013-08-07 16:27:37 +02:00
Daniel Marjamäki cd5e32446f Fixed #4641 (False positive: Address of local auto-variable assigned to a function parameter) 2013-06-13 16:19:19 +02:00
PKEuS 33cf561d85 Refactorized check for assigning function parameters:
- Fixed false negative: Check is also valid for all non-references, not only for pointers.
- Fixed false negative: Usage before assignment doesn't require bailout
- Fixed false positive #4598 caused by inadequate usage of CheckUninitVar::isVariableUsage
- Made several member functions static
2013-02-18 08:52:49 -08:00
Daniel Marjamki 75e20a996d assign function pointer: Fixed false positive when pointer is used also. Ticket: #2930 2013-02-02 15:26:14 +01:00
Daniel Marjamki 6bb8dd605a assign function parameters: only show warning when --enable=warning or --enable=style is used. Ticket: #2930 2013-02-02 15:08:43 +01:00
Daniel Marjamäki cbbb582fc9 Fixed #2930 (new check: redundant assignment of pointer function parameter) 2013-02-01 19:16:17 +01:00
Robert Reif 94c953931d Simplify checks by caching symbol database Variable pointer in Token 2013-01-31 20:08:48 +01:00
Robert Reif ec1c86c152 Symbol database: more function/variable cleanup. Ticket: #4494 2013-01-31 06:41:18 +01:00
Robert Reif 859793731d SymbolDatabase: Refactor findFunction handling. Ticket: #4494 2013-01-28 06:47:48 +01:00
Reijo Tomperi 5d5f7085bf Updating year 2012 -> 2013 to .cpp and .h files and man page. 2013-01-01 18:29:08 +02:00
Robert Reif 0d4b87c71e SymbolDatabase: Improved find function functionality. Taking arguments into account 2012-10-14 17:30:37 +02:00
Robert Reif 5a7aae31f3 speed up checkautovariables by caching commonly looked up stuff in the symbol database (#4266) 2012-10-12 06:15:46 +02:00
PKEuS 1e5d082251 Moved remaining part of c_str() checking to checkstl.cpp. Fixed false positive #4157. 2012-09-10 15:20:38 +02:00
PKEuS 4fb464982c Fixed crash reported in #4076 2012-08-22 10:17:23 -07:00
PKEuS e05a597066 Fixed false negatives in checkautovariables.cpp:
- Detect returning temporary instances (#4076)
- Added support for returning user defined types
2012-08-22 04:08:32 -07:00
Daniel Marjamäki 9352e124fe Auto variables: Speedup my fix. Use the symbol database instead of Token::findmatch. 2012-07-19 16:42:56 +02:00
Daniel Marjamäki 17c27f51ff Fixed #3791 (False positive: returnTempReference) 2012-07-18 07:22:29 +02:00
PKEuS 247d820027 Fixed #3972: Don't issue auto variable error when the address is assigned to a reference to a non-pointer. 2012-07-13 05:21:45 -07:00
PKEuS f5f63dc4a6 Message refactorization: check64bit.cpp
Added two articles in checkautovariables.cpp as suggested by kimmov
2012-07-08 02:38:58 -07:00
PKEuS 0f1cb4c98c Message refactorization: checkassignif.cpp, checkautovariables.cpp 2012-07-07 11:31:18 -07:00
Daniel Marjamäki d6e2e867ea refactoring CheckAutoVariables 2012-06-22 11:21:51 +02:00
PKEuS ec00824fd3 Fixed #3357:
- Print "inconclusive" tag in cli
- Fixed inconclusive handling in checkbufferoverrun.cpp
- Merged reportInconclusiveError into reportError by adding an additional parameter "bool inconclusive" which is false per default
2012-05-06 10:37:41 -07:00
PKEuS 746beb98bf Added support for delete and delete[] in invalidDeallocation check (fixes #1773) 2012-04-26 16:44:33 +02:00
Daniel Marjamäki abcbe2e49f Fixed #3594 (false positive: returning reference to auto variable) 2012-03-28 18:21:06 +02:00
PKEuS 1ef99e2f21 Improved checkautovariables:
- Added support for checking a few more code patterns
- Simplified code by using more information from the symboldatabase
- Moved redundant part of c_str-check to checkstl
Two fixes according to output of pvs studio in testsimplifytokens.cpp
2012-03-01 18:38:20 +01:00
PKEuS 91a01a0a0d - checkUnsignedDivision checks for variable/variable (inconclusive). General bailout for if-statements.
- Make use of recently implemented symboldatabase functions (catch-support, reference-support)
- Other refactorizations
2012-01-28 12:32:28 +01:00
PKEuS c273d6d31d Refactorized checkautovariables.cpp. Removed indendation counters.
Fixed #3478
2012-01-08 15:32:22 +01:00
Reijo Tomperi 8cae17fda8 Update year to 2012 2012-01-01 01:05:37 +02:00
Daniel Marjamäki 6a0c463ebd #3382 (Clarify error message 'invalid deallocation') 2011-12-30 10:32:55 +01:00
Daniel Marjamäki fd3f384e24 astyle formatting 2011-12-26 07:58:02 +01:00
Daniel Marjamäki 096b22c46e #3434 (False positive Returning reference to auto variable) 2011-12-26 07:44:16 +01:00
PKEuS dca03c3ce2 Remove unnecessary includes
Also add a unit test related to #3427
Also improve the description text in checkclass and remove unused variable.
2011-12-23 23:31:48 +02:00
Edoardo Prezioso 767413adad 1)internal check found a 'findmatch' with simple string argument;
2)Style: uniform 'while (...)' when inside it there's an assignment;
3)Replace '0' with 'NULL' where there's comparison with a pointer.
2011-12-01 12:04:47 +01:00
Edoardo Prezioso a32b05197d Change every 'tokAt(1)' to 'next()' and every 'tokAt(-1)' to 'previous()'.
Added a safety check to ensure that a 'previous()' call doesn't crash (not sure if it's needed or not).
2011-11-20 15:59:37 +01:00
Edoardo Prezioso 11dd3c09ce Change every 'tokAt(1)->' to 'next()->' because 'tokAt(1) == 0' is equivalent to 'next() == 0', hence the equivalent cppcheck crash. 2011-11-20 15:09:57 +01:00
Edoardo Prezioso 42e369a4b4 Change every 'tokAt(..)->link()' to 'linkAt(..)'. 2011-11-20 14:24:27 +01:00
Thomas Jarosch 54adb910ec Use Token::simpleMatch instead of Token::Match for simple patterns 2011-10-27 15:59:22 +02:00
Daniel Marjamäki 6f8e42a5af changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
Robert Reif e19cbf0cdd fix false positive introduced by previous false negative fix commit 2011-09-02 10:39:04 -04:00
Robert Reif 833865e736 fix #3066 (False positive: Inconclusive: Assigning address of local auto-variable to a function parameter.) 2011-09-01 22:22:33 -04:00
Robert Reif 5bad978833 fix line number in messagex for CheckAutoVariables::autoVariables 2011-09-01 20:34:31 -04:00
Robert Reif 2667e34a07 fix again #3064 (false negative: returning address of stack variable) 2011-09-01 18:30:49 -04:00
Robert Reif ff690abf80 better error message for #3064 (false negative: returning address of stack variable) 2011-09-01 07:10:11 -04:00
Robert Reif e7dc765ece fix #3064 (false negative: returning address of stack variable) 2011-08-31 21:36:31 -04:00
Robert Reif 7eb43bc107 partial fix for #3030 (Improve check: Returning pointer to local array variable with '&' pointer operator) 2011-08-20 15:08:30 -04:00
Daniel Marjamäki 9a24492a00 Fixed #2975 (False positive: Return of the address of an auto-variable) 2011-08-10 18:16:31 +02:00
Daniel Marjamäki 2b8b0c44b2 Fixed #2969 (False positive: assign address of auto-var to function parameter, when function parameter is reassigned later) 2011-08-09 18:24:39 +02:00
Daniel Marjamäki 2b48c7624c Auto Variables: Reverted fix for #1514 because my idea was wrong. See ticket: #2944 2011-07-27 10:43:44 +02:00
Robert Reif 527c1aae33 fix #2931 (another false negative in auto variables checking when function parameter is a struct) 2011-07-22 08:31:31 -04:00
Robert Reif 84ca1902a5 fix #1514 (Improve CheckAutoVariables: assign autovariable address to effective parameter) 2011-07-21 22:37:36 -04:00
Robert Reif 4e64d35462 fix #2926 (false negative in auto variables checking when function parameter is a struct) 2011-07-21 22:26:42 -04:00
Robert Reif cc1ecccd01 fix #2928 (False positive (static variable misinterpreted as auto variable)) 2011-07-21 18:20:19 -04:00
Daniel Marjamäki 31e3844f3f Fixed #2856 (--errorlist not printing all auto-variable errors) 2011-07-21 14:50:38 +02:00
Robert Reif 32f94a47cc fix #2925 (False negative: auto variables - assigning address of array to function parameter) 2011-07-20 19:02:54 -04:00
Robert Reif bb5dfa58a1 fix #2765 (Non local address detected as address of local auto-variable) 2011-05-06 19:26:04 -04:00
Robert Reif ccb831d375 fix regression #1819 (False positive: auto variable assignment (unseen typedef)) 2011-05-06 18:18:48 -04:00
Robert Reif 29c73e0571 fix false positive introduced in CheckAutoVariables::autoVariables conversion to use symbol database 2011-04-26 20:16:09 -04:00
Robert Reif 55898c0dfc convert last check in checkautovariables to use the symbol database 2011-04-23 09:50:56 -04:00
Robert Reif 79f0fe7d1c refactor symbol database and checks to use list of Scope rather than list of Scope pointers 2011-03-10 19:43:29 -05:00
Robert Reif 4b0edccec4 convert some of the checks in CheckAutoVariables to use the variable symbol table 2011-03-02 21:21:46 -05:00
Robert Reif 1e0d538273 checkautovariables: refactor to use the symbol database 2011-02-07 19:26:34 -05:00
Raphael Geissert 8d5863133c Use Token::simpleMatch where no patterns are used 2011-02-02 13:27:01 -06:00
Daniel Marjamäki 93d1313186 Refactoring: Check if type is class/struct through symbol database 2011-01-16 19:57:29 +01:00
Reijo Tomperi 226b605774 Change year 2010 -> 2011 in license texts. 2011-01-09 21:33:36 +02:00
Kimmo Varis 8369d0ddd6 Improving 'Wrong assignment of auto variable' error message.
Improving the error message as discussed at dev-forum:
https://sourceforge.net/apps/phpbb/cppcheck/viewtopic.php?f=3&t=192&start=0
2010-12-04 09:55:20 +02:00
Daniel Marjamäki 3d195f2326 Auto variables: improved the check for 'return retval.c_str()'. Ticket: #2191 2010-11-13 15:38:21 +01:00
Daniel Marjamäki c907acf767 Fixed #1819 (False positive: auto variable assignment (unseen typedef)) 2010-10-22 21:12:56 +02:00
Reijo Tomperi 35d2a27b9c Update copyright year in all source files 2010-04-13 22:23:17 +03:00
Daniel Marjamäki 0cad22314e Reverted 'astyle fix'. Those changes are not in sync with my astyle configuration/setup. 2010-04-02 07:30:58 +02:00
Martin Ettl 193aa7d1d3 astyle fix 2010-04-02 02:21:53 +02:00
Daniel Marjamäki 1c84dc814c Auto variables: Improved handling of temporaries 2010-01-27 19:16:32 +01:00
Daniel Marjamäki 32fcb8fe18 Auto variables: returning pointer to temporary .c_str() data 2010-01-26 22:11:34 +01:00
Daniel Marjamäki f62466493b New Check: Detect return of invalid reference 2010-01-23 20:39:12 +01:00
Slava Semushin 82ae064218 Fixed #1013 (autovariables: detect when assigning parameter **par)
http://sourceforge.net/apps/trac/cppcheck/ticket/1013
2010-01-02 03:53:34 +06:00
Reijo Tomperi db30c5b0d2 Fix #1069 (Minor spelling mistake across cppcheck)
http://sourceforge.net/apps/trac/cppcheck/ticket/1069
2009-12-08 20:10:08 +02:00
Daniel Marjamäki 09859c1019 refactoring the folder structure 2009-10-25 12:49:06 +01:00