Commit Graph

3678 Commits

Author SHA1 Message Date
Daniel Marjamäki ca6a93816b Merge pull request #89 from HeisSpiter/master
Merged two checks to get a better one regarding sizeof
2012-03-25 02:38:04 -07:00
PKEuS e4d92055e7 Improved sizeofCalculation check:
- Bailout on expanded macros for conclusive checking
- Support for more operators
- Removed indendation counter
Improved checkSignOfUnsignedVariable:
- Made the patterns more generic
- Improved verbose error message (-> Fixed #3080)
2012-03-25 11:32:00 +02:00
PKEuS 0338153de9 Added test case for #3619 2012-03-25 10:33:18 +02:00
PKEuS e6bcab7c35 Fixed #3360: "type const* var;" is now recognized as variable declaration. 2012-03-24 15:10:06 +01:00
PKEuS b964551424 Fixed #3252
Make use of std::isupper instead of custom implementation
2012-03-24 13:48:33 +01:00
Daniel Marjamäki 4076c46a33 Merge pull request #88 from leg0/ticket_3675
Fixed ticket #3675.
2012-03-24 00:36:37 -07:00
Pierre Schweitzer 2b5ddb7858 Merge the strncmp & malloc sizeof checks into a more generic test that handles several cases where sizeof is misused, or could be misused 2012-03-23 21:47:13 +01:00
PKEuS e938235385 Store functions which are declared but not implemented in the function list of the containing scope -> Fixed #3679
Refactorizations:
- Simplified some code
- Improved condition in findVariableType to reduce unnecessary comparisions of empty strings.
2012-03-23 17:59:51 +01:00
Ahti Legonkov 780481e82a Fixed ticket #3675. 2012-03-23 01:45:47 +02:00
Daniel Marjamäki d04698df13 Merge pull request #87 from HeisSpiter/master
Fix a bug introduced with a previous commit and add a new check
2012-03-21 13:20:39 -07:00
Pierre Schweitzer ec44967e13 Add a new test to check improper sizeof usage. It's for the moment limited to malloc calls. 2012-03-21 21:13:09 +01:00
PKEuS 002389f836 Fixed #3677
Added forgotten testcase for #3672
2012-03-21 18:40:32 +01:00
Pierre Schweitzer 9d002916f4 Fix line number displayed on leakNoVarr error 2012-03-20 22:28:56 +01:00
Daniel Marjamäki a2351ba44f Fixed #3648 (Internal error: Token::Match called with varid 0) 2012-03-20 19:05:24 +01:00
Daniel Marjamäki d6c8de104c Revert "Fixed #3648 (Internal error: Token::Match called with varid 0)"
This reverts commit 1fa1ddccba.
2012-03-20 19:00:16 +01:00
Daniel Marjamäki 1fa1ddccba Fixed #3648 (Internal error: Token::Match called with varid 0) 2012-03-20 18:58:27 +01:00
PKEuS cb2a754983 Implemented support for C++11 right angle brackets (>>)
Implemented support for linkage between < and > (Information: It is possible that under certain circumstances comparision operators are linked, since its sometimes difficult to separate between them.)
2012-03-19 18:45:47 +01:00
PKEuS 7055526f4a Fixed #3672: bitwise and operator in if/while does no longer confuse setVarId code
Improvements to CheckUnusedVar:
- Improved handling of arrays of struct/class instances
- Differ between addressof and bitwise-and operator
- Made some members private to improve encapsulation
- Replaced some simple patterns by direct function calls
- Removed an unnecessary condition
2012-03-19 17:41:16 +01:00
Stefan Weil f079ee7c31 test: Fix preprocessor code in test data
This is not valid preprocessor code: #ifdef A == 1

Signed-off-by: Stefan Weil <sw@weilnetz.de>
2012-03-18 16:50:16 +01:00
Pierre Schweitzer 544a1f714e Updated error message about not taking return value from function that returns allocated memory 2012-03-18 13:45:50 +01:00
Daniel Marjamäki 1e125dc017 Fixed #3671 (False positive: Resource leak: fd) 2012-03-18 11:54:09 +01:00
Daniel Marjamäki 29063098bf Fixed #3670 (false positive: Allocation with open never assigned) 2012-03-18 07:49:22 +01:00
Daniel Marjamäki 2757229064 Fixed #3666 (False positive: Uninitialized variable (taking address)) 2012-03-16 17:28:05 +01:00
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
PKEuS b6057a1148 Improved CheckOther::checkIncorrectLogicOperator:
- Added a lot of additional pattern
- Rewrote error messages to make them more understandable and better fitting to the situation. (Fixed #3664)
- Cleanup in unit tests
Improved message of static string comparision check
2012-03-15 20:38:28 +01:00
Daniel Marjamäki fc84f55f80 Fixed #3536 (Preprocessor #if fails to correctly compare two #defined values) 2012-03-15 20:04:34 +01:00
Daniel Marjamäki 813a193bb6 Merge pull request #84 from HeisSpiter/master
Fix for bug #3439
2012-03-15 11:37:42 -07:00
Daniel Marjamäki 555e8c6efc Fixed #36221 (Input streams: Wrong token list simplification) 2012-03-15 19:09:36 +01:00
Pierre Schweitzer 5dc4fcaa0a Add two tests for the new memory leak detection 2012-03-14 23:45:20 +01:00
PKEuS 7cfffc9c9d Improved CheckOther::checkIncorrectLogicOperator:
- Implemented automatic swapping of conditions and operands
- Added several patterns
- Added support for conditions outside of if/while
2012-03-12 19:06:30 +01:00
Daniel Marjamäki a9d56f2738 Tokenizer: simplify known variable value inside conditional block 2012-03-12 17:32:30 +01:00
PKEuS 6f164de609 Improved static string comparision check: Implemented #3214
Fixed false negative on argument count of fnprintf/snprintf when first variable argument is a string. (#3655)
Uncommented call of virtualDestructorError in getErrorMessages in checkclass.h
Refactorizations:
- Rearranged code in checkother.h to make ordering more consistent and to increase encapsulation of private data
- Replaced some single-token-patterns
2012-03-11 11:01:39 +01:00
Daniel Marjamäki 3f1ab5af9b charvar: dont write warning about char type array index when array is small and the full valid range is accessible with the char type. If there are out of bounds access then, it is not because the type of the variable. 2012-03-10 12:19:28 +01:00
August Sodora e0bee0e037 Fixed #3567 (False positives in boolean expressions) 2012-03-07 20:31:23 +01:00
Daniel Marjamäki 680883a6a7 fixed #3649 (False Positive: Uninitialized variable using operator assignment) 2012-03-06 18:51:50 +01:00
PKEuS ef6e381d47 Improved bitwise on boolean check to make it working on more code patterns
Refactorizations in checkother.cpp:
- Make use of symboldabase instead of: indentation counters, manual detection of variable declarations
- Removed some indexing variables to reduce calls to tokAt and the numbers given to this function
- Use tok->nextArgument() to jump to a specific argument
2012-03-03 21:14:20 +01:00
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
Daniel Marjamäki db1205cdb3 Preprocessor: better handling of '#if A==1' 2012-02-29 19:08:01 +01:00
Daniel Marjamäki 527d3791e6 Fixed #3596 (memory leak false positive on libedit sources) 2012-02-27 18:55:36 +01:00
PKEuS 1747813a8b Added check for invalid pointer casts (#1255)
Detect sign extension problems when variable is a reference (#3637)
Refactorizations:
- Tokenizer::getFiles returns a reference instead of a pointer, because its guaranteed that no nullpointer is returned
- Remove signed/unsigned in one step for "%type% signed|unsigned"
- Fixed recently introduced compiler warning in symboldatabase.cpp
2012-02-26 11:56:32 +01:00
Daniel Marjamäki 385c9d341d Fixed #3633 (False positive: struct array not assigned a value) 2012-02-26 08:29:02 +01:00
Edoardo Prezioso 4d3013d43d Improve 'Tokenizer::elseif' code in order to not touch 'else if' inside a macro parenthesis. 2012-02-26 02:50:48 +01:00
Daniel Marjamäki bbfae8e3ae Fixed #3583 (False positive Variable X is assigned a value that is never used) 2012-02-25 12:56:33 +01:00
PKEuS 9431fb1b7e Improved STL checks:
- Added performance checking for .c_str() for return values and function parameters (#1079)
- Added more containers (basic_string, C++11 containers) and more functions to checking (.at, .resize, .reserve, ...)
- Make use of symboldatabase in missingComparision check
2012-02-25 12:43:27 +01:00
PKEuS 9a5f66030c Improved unused private function check:
- Fixed #3628
- Added support for friend
Improved symbol database:
- friend scopes are now set
- Added findScopeByName function
Refactorizations:
- Removed some unnecessary "virtual" keywords
- Removed unnecessary _filename member variable, pass it as argument instead
- Made CppCheck::replaceAll static, since it is independant from a specific CppCheck instance, Pass string to be modified by reference
2012-02-24 20:45:56 +01:00
PKEuS 9f42ce91a1 Refactored STL container usage in CLI.
Pathmatcher masks are converted to lowercase only once when instance is created
2012-02-19 17:22:59 +01:00
Daniel Marjamäki 39b0f1ba95 Fixed #3608 (unreadVariable when variable used in inline assembly) 2012-02-19 16:04:35 +01:00
Daniel Marjamäki 69d03bac34 Fixed #3603 (False Positive: Variable is assigned a value that is never used) 2012-02-19 15:25:46 +01:00
Zachary Blair 0e791929b5 Ticket #3598 - Added a missing ASSERT_EQUALS() statement to the end of checkDoubleFree() 2012-02-18 12:13:21 -08:00
Edoardo Prezioso d7a918e549 Fixed ticket #3616 (segmentation fault of cppcheck). 2012-02-18 17:58:50 +01:00