Commit Graph

175 Commits

Author SHA1 Message Date
Edoardo Prezioso 927d3e8ce2 Speed up the new CheckNullPointer checking.
Related to commit 095824373a, using the new precomputed vector of functions, related to ticket #4266.
2012-11-25 12:40:14 +01:00
Zachary Blair 095824373a Fixed #3302 (new check: nullpointer dereference) 2012-11-20 23:56:17 -08:00
PKEuS 4ee955fc8c Improved CheckNullPointer::isPointerDeRef():
- Fixed #4240
- Added support for wstring/wchar_t
2012-11-10 19:53:20 +01:00
PKEuS bbe06c65c0 Added support for wide-strings (wcs* functions, std::wstring, std::*wstringstream) at many places. 2012-11-06 10:54:52 -08:00
Daniel Marjamäki fefd8529c6 Fixed #4007 (False positive: 'Possible null pointer dereference' when using short-circuit evaluation) 2012-10-07 19:06:49 +02:00
Daniel Marjamäki c9c04f9691 Fixed #4038 (FP: possible null pointer dereference) 2012-09-23 09:20:16 +02:00
Daniel Marjamäki ffd5c82b4f Fixed #4118 (False null-pointer warning when check is indirect) 2012-09-18 19:16:28 +02:00
PKEuS 508e9394d3 Added some nullpointer-checks and removed some redundant ones based on VS2012 code analysis results. 2012-09-17 15:22:51 +02:00
PKEuS 547d3e94b2 Fixed some sign conversion messages from clang. 2012-09-16 16:41:15 +02:00
PKEuS 22a8e3f4e6 Replaced Tokenizer::getFunctionTokenByName() by SymbolDatabase::findFunctionByName(), which handles scopes slightly better. 2012-09-11 18:03:47 +02:00
PKEuS a4b5824dec New internal check: checkRedundantNextPrevious().
Fixed findings by new internal check
2012-09-07 12:36:40 +02:00
PKEuS 31e7e41098 Fixed and refactorized broken CheckNullPointer::CanFunctionAssignPointer():
- return true if parameter is passed by reference (fixes #4111)
- Use symboldatabase
- Improved handling of inconclusive
2012-09-06 18:33:15 +02:00
PKEuS 839f7a32a4 It is ok to pass a nullpointer as first argument to mbstowcs and wcstombs, which then just return how long the buffer has to be to store the result. 2012-08-26 10:41:48 +02:00
PKEuS c8773b891d Refactorization: Make use of Token::scope() replacing certain indentation counters 2012-08-12 03:13:07 -07:00
PKEuS 31129aad40 Refactorizations in checknullpointer.cpp:
- Removed CheckNullPointer::nullPointerAfterLoop(), improved CheckNullPointer::nullPointerByCheckAndDeRef() to cover tests
- Enhanced CheckNullPointer::nullPointerByDeRefAndChec() to check also 'else if' and 'while'
2012-08-05 02:07:38 -07:00
PKEuS 25ecd3ed71 Message refactorization: checknullpointer.cpp
Removed a duplicate test in checknullpointer.cpp
2012-08-05 01:38:48 -07:00
PKEuS 643f3890b4 Fixed #4003: tmpnam may be called with a nullpointer 2012-07-27 01:36:22 -07:00
Daniel Marjamäki a733c9b603 Fixed #3914 (false positive null pointer dereference, assignment in conditional) 2012-07-23 10:05:55 +02:00
Daniel Marjamäki edea4ef131 Refactoring: Renamed CheckNullPointer::isPointer to Token::isUpperCaseName 2012-06-21 19:00:53 +02:00
PKEuS c463d97386 Refactorization:
- Implemented consistent behaviour of Variable::typeStartToken/typeEndToken: Skip const and static on all variables.
- Simplified patterns containing "static|" or "const|" when matching typeStartToken.
2012-06-08 09:05:02 -07:00
Daniel Marjamäki d1b4bea304 Fixed #3807 (False positive: possible null pointer dereference) 2012-05-31 18:41:00 +02:00
PKEuS 9dc8123151 Refactorizations:
- Use const string references instead of const strings copies when possible
- Fixed cppcheck warning about postfix increment in CheckIO
- Use symbolDatabase to detect pointers in CheckOther::checkAssignBoolToPointer
2012-05-25 03:09:41 -07:00
PKEuS e8cd119ebd Improved parsing of functions that accept nullpointers but no uninitialized data (Fixed #3811) 2012-05-16 00:56:39 -07:00
PKEuS 06a77679d4 Refactorizations:
- Added support for pointers in self assignement check
- Removed redundant for loop in checknullpointer.cpp
- Fixed warning about signed/unsigned mismatch in cppcheck.cpp by making Settings::_maxConfig unsigned
2012-05-11 10:38:19 -07:00
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
Daniel Marjamäki d5442280b1 Fixed #3597 (Errors in evaluation of chained assignment operators) 2012-05-01 07:06:14 +02:00
PKEuS 8e362ad5f7 Fixed #3771
Stronger testing for false positives in inconclusive checking in checknullpointer.cpp
2012-04-30 12:36:41 +02:00
PKEuS f1511dd795 Fixed #3766 2012-04-27 10:17:07 +02:00
PKEuS c3578e88b6 Reverted erroneously committed lines at the end of nullpointer. Sorry for that 2012-04-26 17:55:31 +02:00
PKEuS ddca2e2f85 Added a lot of functions of the C standard library to nullpointer/uninitialized buffer checking. 2012-04-26 17:53:21 +02:00
PKEuS dd5e9aa454 Make use of recently implemented Token::type() functionality 2012-04-25 09:56:07 +02:00
PKEuS fc8749e952 Improved nullpointer check:
- Fixed #3673
- Fixed potential issue with constructor calls (like #3697)
- Added support for operator+ on std::string
2012-04-02 12:12:02 +02:00
PKEuS 0340764726 Improved nullpointer check: Detect dereferences by streams (#410)
Refactorizations:
- Replaced || by %oror% in Token::Match patterns
- Replaced some simple patterns by direct comparisions, replaced Match call with simpleMatch
- Increased data encapsulation by making more members private in CheckNullpointer
2012-03-16 17:24:03 +01:00
August Sodora e0bee0e037 Fixed #3567 (False positives in boolean expressions) 2012-03-07 20:31:23 +01:00
PKEuS 2e13a51d08 Fixed #3591 2012-02-13 19:46:45 +01:00
Erik Lax f1dbd1a89a Fixed #3518 (False negative: Possible null pointer dereference (in the same condition)) 2012-02-11 16:15:38 +01:00
PKEuS 42f418db54 - Improved nullpointer check: Fixed #1171
- Improved accuracy of function analysis in symboldatabase
- Code cleanups
2012-02-11 12:26:48 +01:00
Daniel Marjamäki 036b2a84bf Fixed #3570 (False Postive for 'nullPointer' check) 2012-02-01 20:38:47 +01:00
Edoardo Prezioso bb703f4d0b Fixed: (warning) Found simple pattern inside Token::Match() call. 2012-01-28 20:31:12 +01:00
Daniel Marjamäki 01f6bbda62 Null pointers: fixed false positive when '?' is used in return statement. Ticket: #3560 2012-01-28 08:06:03 +01:00
PKEuS 5c2af0b2e3 - initialising std::string with 0 in initialisation list is partially detected in nullpointer check (#3520)
- executionpath checking makes use of symboldatabase
- CheckExceptionSafety::checkRethrowCopy makes use of symboldatabase
2012-01-26 16:50:59 +01:00
Edoardo Prezioso 20372eecfa Fixed gcc warning: variable which shadows a member of 'this'. 2012-01-26 15:20:20 +01:00
PKEuS 42a75692d4 Improved nullpointer check:
- More accurate checking for dereferences and non-dereferences
- improved checking for nullpointer dereferences after return statement
- Supports pointer dereferences by std::string
- Code optimization/refactorization
2012-01-25 15:16:22 +01:00
PKEuS 36479499e7 - Solved FIXME: Made detection of code that is no pointer-dereference more robust, uncommented code (checknullpointer.cpp)
- Removed more indendation level counters
- Make use of symbol database more often
- Other refactorizations
2012-01-21 19:55:32 +01:00
PKEuS c294b15360 Removed more indendation counters. 2012-01-15 12:31:49 +01:00
Reijo Tomperi 8cae17fda8 Update year to 2012 2012-01-01 01:05:37 +02:00
Reijo Tomperi 0a588496a0 Fix astyle and test failures. 2011-12-28 22:05:10 +02:00
Daniel Marjamäki 379440e2a4 CheckNullPointer: Use Tokenizer::IsScopeNoReturn 2011-12-28 08:17:58 +01:00
Daniel Marjamäki 7f42300c18 Null pointer: Removed old code for handling exit(). No testing affected. 2011-12-28 08:07:21 +01:00
Daniel Marjamäki 91874214d8 Refactoring: Added utility function that determine if scope ends with a call to a noreturn function 2011-12-27 18:00:12 +01:00