d04698df13
Merge pull request #87 from HeisSpiter/master
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Fix a bug introduced with a previous commit and add a new check
2012-03-21 13:20:39 -07:00
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
002389f836
Fixed #3677
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Added forgotten testcase for #3672
2012-03-21 18:40:32 +01:00
9d002916f4
Fix line number displayed on leakNoVarr error
2012-03-20 22:28:56 +01:00
a2351ba44f
Fixed #3648 (Internal error: Token::Match called with varid 0)
2012-03-20 19:05:24 +01:00
d6c8de104c
Revert "Fixed #3648 (Internal error: Token::Match called with varid 0)"
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This reverts commit 1fa1ddccba
2012-03-20 19:00:16 +01:00
1fa1ddccba
Fixed #3648 (Internal error: Token::Match called with varid 0)
2012-03-20 18:58:27 +01:00
cb2a754983
Implemented support for C++11 right angle brackets (>>)
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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
7055526f4a
Fixed #3672 : bitwise and operator in if/while does no longer confuse setVarId code
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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
f079ee7c31
test: Fix preprocessor code in test data
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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
544a1f714e
Updated error message about not taking return value from function that returns allocated memory
2012-03-18 13:45:50 +01:00
1e125dc017
Fixed #3671 (False positive: Resource leak: fd)
2012-03-18 11:54:09 +01:00
29063098bf
Fixed #3670 (false positive: Allocation with open never assigned)
2012-03-18 07:49:22 +01:00
2757229064
Fixed #3666 (False positive: Uninitialized variable (taking address))
2012-03-16 17:28:05 +01:00
0340764726
Improved nullpointer check: Detect dereferences by streams ( #410 )
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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
b6057a1148
Improved CheckOther::checkIncorrectLogicOperator:
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- 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
fc84f55f80
Fixed #3536 (Preprocessor #if fails to correctly compare two #defined values)
2012-03-15 20:04:34 +01:00
813a193bb6
Merge pull request #84 from HeisSpiter/master
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Fix for bug #3439
2012-03-15 11:37:42 -07:00
555e8c6efc
Fixed #36221 (Input streams: Wrong token list simplification)
2012-03-15 19:09:36 +01:00
5dc4fcaa0a
Add two tests for the new memory leak detection
2012-03-14 23:45:20 +01:00
7cfffc9c9d
Improved CheckOther::checkIncorrectLogicOperator:
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- 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
a9d56f2738
Tokenizer: simplify known variable value inside conditional block
2012-03-12 17:32:30 +01:00
6f164de609
Improved static string comparision check: Implemented #3214
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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
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
e0bee0e037
Fixed #3567 (False positives in boolean expressions)
2012-03-07 20:31:23 +01:00
680883a6a7
fixed #3649 (False Positive: Uninitialized variable using operator assignment)
2012-03-06 18:51:50 +01:00
ef6e381d47
Improved bitwise on boolean check to make it working on more code patterns
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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
1ef99e2f21
Improved checkautovariables:
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- 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
db1205cdb3
Preprocessor: better handling of '#if A==1'
2012-02-29 19:08:01 +01:00
527d3791e6
Fixed #3596 (memory leak false positive on libedit sources)
2012-02-27 18:55:36 +01:00
1747813a8b
Added check for invalid pointer casts ( #1255 )
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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
385c9d341d
Fixed #3633 (False positive: struct array not assigned a value)
2012-02-26 08:29:02 +01:00
4d3013d43d
Improve 'Tokenizer::elseif' code in order to not touch 'else if' inside a macro parenthesis.
2012-02-26 02:50:48 +01:00
bbfae8e3ae
Fixed #3583 (False positive Variable X is assigned a value that is never used)
2012-02-25 12:56:33 +01:00
9431fb1b7e
Improved STL checks:
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- 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
9a5f66030c
Improved unused private function check:
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- 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
9f42ce91a1
Refactored STL container usage in CLI.
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Pathmatcher masks are converted to lowercase only once when instance is created
2012-02-19 17:22:59 +01:00
39b0f1ba95
Fixed #3608 (unreadVariable when variable used in inline assembly)
2012-02-19 16:04:35 +01:00
69d03bac34
Fixed #3603 (False Positive: Variable is assigned a value that is never used)
2012-02-19 15:25:46 +01:00
0e791929b5
Ticket #3598 - Added a missing ASSERT_EQUALS() statement to the end of checkDoubleFree()
2012-02-18 12:13:21 -08:00
d7a918e549
Fixed ticket #3616 (segmentation fault of cppcheck).
2012-02-18 17:58:50 +01:00
a118f82ca7
Tokenizer::simplifyVarDecl: Don't simplify inside parenhteses
2012-02-18 15:05:29 +01:00
4b52df675a
Some refactorizations
2012-02-18 14:44:04 +01:00
0705dbd34a
Tokenizer::simplifyCasts: don't simplify 'f((double)(v1)*v2)' to 'f(*v2)'
2012-02-18 14:26:00 +01:00
2ba2a4e6ae
Some refactorizations
2012-02-18 11:55:05 +01:00
bfb4dd6425
Fixed #3529 (False 'Boolean result is used in bitwise operation' in a template)
2012-02-18 08:51:09 +01:00
17cd5ec906
Fixed ticket #3604 (cppcheck(1.53) crash).
2012-02-17 21:14:38 +01:00
485e836535
Refactorizations in MathLib.
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Fixed recently introduced bug on floating point numbers with multiple preceding zeros (for example 004.123)
2012-02-17 19:54:53 +01:00
bf776044d8
Fixed compiler error
2012-02-17 16:09:24 +01:00
8ea5df62c4
- Improved support for numbers in code:
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-- Use MathLib::toLongNumber for conversion in tokenizer (Fix #3610 )
-- Handle octal numbers in tokenizer
- Refactorizations in MathLib::toLongNumber and Settings
2012-02-17 15:47:08 +01:00
9d75641ef8
Fixed #3598 (false positive: (error) Memory pointed to by 'a' is freed twice.)
2012-02-16 21:03:38 -08:00
2e13a51d08
Fixed #3591
2012-02-13 19:46:45 +01:00
bb319c1c96
Improved Tokens and Tokenizer:
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- Better handling of deleteThis() as last element of token list
- Code simplified
2012-02-13 17:44:08 +01:00
da8abeb63c
Fixed #3584 (2 internal errors : Token::Match called with varid 0)
2012-02-12 17:30:47 +01:00
f1dbd1a89a
Fixed #3518 (False negative: Possible null pointer dereference (in the same condition))
2012-02-11 16:15:38 +01:00
42f418db54
- Improved nullpointer check: Fixed #1171
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- Improved accuracy of function analysis in symboldatabase
- Code cleanups
2012-02-11 12:26:48 +01:00
bbb707c460
Fixed #3587 (Wrong tokenizer simplification - variable assigned by operator>>)
2012-02-07 08:05:50 +01:00
47c7e346aa
Uninitialized variables: Another fix for false positives when it's known that inner conditions are true
2012-02-06 19:26:28 +01:00
05fc77c347
Revert "Uninit var: Added TODO test case"
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The test case was not valid because the variable assignment is redundant and is therefore removed by the tokenizer.
This reverts commit 548a43fc49
2012-02-06 07:41:48 +01:00
d6a887e1f9
Uninitialized variables: Fixed false positives when goto is simplified and inner condition is known to be true/false
2012-02-06 07:32:29 +01:00
548a43fc49
Uninit var: Added TODO test case
2012-02-06 07:17:39 +01:00
fbb5ebe3c6
Fixed #3577 (Preprocessor: Defines given on command line are not used in the code)
2012-02-05 20:48:28 +01:00
69567515ce
Ticket #3581 - added missing newlines to the test code
2012-02-04 11:39:29 -08:00
8f827aa65f
FIxed #3581 (double free false positive when exception rethrown)
2012-02-04 11:24:40 -08:00
d5c2c7db88
- Moved checkCatchExceptionByValue from CheckOther to CheckExceptionSafety
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- Fixed false positive: throw outerCatchVar; in inner catch is now correctly handled
- Added eTry and eCatch to Scope::isLocal -> Scopes inside catch are now detected by symbol database
2012-02-02 16:17:42 +01:00
2be85e9d37
Fixed #3538 (false positive caused by bad tokenizer simplification)
2012-02-01 21:13:26 +01:00
036b2a84bf
Fixed #3570 (False Postive for 'nullPointer' check)
2012-02-01 20:38:47 +01:00
f9ade9562c
Fixed ticket #3572 (segmentation fault).
2012-01-31 22:32:28 +01:00
bc034095f1
Fixed ticket #3543 (segmentation fault of cppcheck).
2012-01-31 19:34:55 +01:00
aaa6070fc9
Run astyle.
2012-01-31 18:43:11 +01:00
66e1761ffe
Fixed ticket #3571 (segmentation fault of cppcheck while scanning gcc-testsuite).
2012-01-31 18:42:19 +01:00
f8578a380a
Added test case from #3533 (segmentation fault of cppcheck).
2012-01-31 18:23:02 +01:00
86a5a9a7bf
fixed wrong testcase
2012-01-31 16:48:05 +01:00
c1e2802175
ticket 3569: added further testcases
2012-01-31 16:25:57 +01:00
7110fa2c0c
added tests for ticket #3569
2012-01-31 16:13:28 +01:00
22c1ce8a68
Fixes for #3480 and #3568 .
2012-01-31 15:49:34 +01:00
9f81b48dc1
Fixed ticket #3558 (Tokenizer: improve simplifyVarDecl to take count of undefined size VLA's).
2012-01-30 23:41:43 +01:00
0fd7504295
Related to ticket #3560 (conditional pointer user): remove also dead code in the lower scope if the actual scope isn't special.
2012-01-30 21:43:23 +01:00
9df6088ddd
Revert "really fix #3527 (Internal error. Token::Match called with varid 0. Please report this to Cppcheck developers)"
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This reverts commit a37031944e
2012-01-30 06:15:41 +01:00
a37031944e
really fix #3527 (Internal error. Token::Match called with varid 0. Please report this to Cppcheck developers)
2012-01-28 20:58:51 -05:00
91a01a0a0d
- checkUnsignedDivision checks for variable/variable (inconclusive). General bailout for if-statements.
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- Make use of recently implemented symboldatabase functions (catch-support, reference-support)
- Other refactorizations
2012-01-28 12:32:28 +01:00
01f6bbda62
Null pointers: fixed false positive when '?' is used in return statement. Ticket: #3560
2012-01-28 08:06:03 +01:00
42afd2d63a
fix #3561 (SymbolDatabase: throw foo; creates a variable with type throw)
2012-01-27 19:24:01 -05:00
0dd4b9ad3a
Temporary workaround to ticket #3459 (Simplify goto before loop) :
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don't simplify code which contains the label pointed by 'goto'.
2012-01-27 16:56:12 +01:00
ca8e8d26c7
Tokenizer: extract realloc simplification and simplify also when each argument is done by more than one token.
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Restyling of a comment in tokenize.h.
2012-01-27 13:56:06 +01:00
421ae9df03
simplifyCondition: handle also '( a || true || b)' -> '(true)' and '( a && false && b)' -> '(false)'.
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Clarify a comment about previous commit.
2012-01-26 23:14:44 +01:00
7cf8e5dfff
TestTokenizer: moved test to proper place.
2012-01-26 22:25:19 +01:00
6e164ae7ed
Fixed ticket #3557 (Tokenizer: simplification of '[]' doesn't work well):
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extract undefined size array simplification and handle multiple arrays and combos between pointers and arrays, don't handle the definitions as arguments of function.
2012-01-26 17:25:52 +01:00
6906001366
Added support for references to symboldatabase
2012-01-26 17:04:25 +01:00
5c2af0b2e3
- initialising std::string with 0 in initialisation list is partially detected in nullpointer check ( #3520 )
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- executionpath checking makes use of symboldatabase
- CheckExceptionSafety::checkRethrowCopy makes use of symboldatabase
2012-01-26 16:50:59 +01:00
f428a29d8e
Improve simplifyReturnStrncat when each argument is not composed by one token.
2012-01-26 16:09:32 +01:00
4d56395504
symbol database: add simple try/catch tests
2012-01-25 22:48:18 -05:00
42a75692d4
Improved nullpointer check:
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- 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
589a2461bd
Fixed ticket #3550 (false positive: (error) Memory pointed to by 'pxpm' is freed twice)
2012-01-24 22:43:44 -08:00
8e2c40b4b3
Fixed #3323 (#undef needs different handling)
2012-01-24 07:43:26 +01:00
5953ed7318
Fixed ticket #3528 (Tokenizer: improve simplifyFunctionParameters to take count of square brackets)
2012-01-23 16:10:15 +01:00
9f139cf414
Fixed #3509 (FP: Variable 'itemList' is not assigned a value, when << operator is used)
2012-01-23 08:02:59 +01:00
9eb1a5864b
Fixed #3502 (segmentation fault of cppcheck (struct{x y:};))
2012-01-23 07:39:31 +01:00
f81557da50
Fixed #3508 (Symbol database: mixing up constructors and destructors)
2012-01-22 19:48:36 +01:00
b8faee9d30
Fixed #3497 (False positive: Uninitialized variable)
2012-01-21 20:42:41 +01:00
Daniel Marjamäki
Pierre Schweitzer
PKEuS
Stefan Weil
August Sodora
Edoardo Prezioso
Zachary Blair
Erik Lax
Daniel Marjamäki
Ettl Martin
Robert Reif