Daniel Marjamäki
4f3878eb1e
Fixed #3569 (false negative: buffer access out of bounds)
2012-03-13 21:30:03 +01:00
Daniel Marjamäki
a9480ca0c1
CheckBufferOverrun: move condition before loop
2012-03-13 21:19:10 +01:00
PKEuS
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
Daniel Marjamäki
a9d56f2738
Tokenizer: simplify known variable value inside conditional block
2012-03-12 17:32:30 +01:00
PKEuS
533db6421f
Renamed ID uninitialized member variables in constructors to "uninitMemberVar" to avoid ambiguity ( #2715 )
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Refactorizations:
- Replaced another single-token-pattern
- Replaced a "continue" with a "break" statement, because its safe to assume that only one variable with a specific ID can exist in a scope
2012-03-11 14:29:00 +01:00
PKEuS
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
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
Simon Martin
190cba519d
Fixed shadowing warning
2012-03-09 08:06:58 +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
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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
Stefan Weil
2ce5b80599
Fix compilation with HAVE_RULES=yes
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Signed-off-by: Stefan Weil <sw@weilnetz.de>
2012-03-01 20:07:00 +01:00
PKEuS
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
PKEuS
c61762f454
Refactorized doAssignement:
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- Enhanced performance by directly iterating through the token list instead of index access
- Added more allocation functions
- Simplified code
Replaced avoidable strlen call in cppcheckexecutor.cpp
2012-02-29 20:57:48 +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
Ettl Martin
2ac907b40a
fixed compiler warning (gcc-4.6.1)
2012-02-27 14:13:34 +01:00
Ettl Martin
013ef6157d
fixed regression
2012-02-26 13:35:35 +01:00
PKEuS
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
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:
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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
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.
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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
PKEuS
b1ff900aaa
Some refactorizations
2012-02-18 23:43:51 +01:00
Edoardo Prezioso
d7a918e549
Fixed ticket #3616 (segmentation fault of cppcheck).
2012-02-18 17:58:50 +01:00
Daniel Marjamäki
a118f82ca7
Tokenizer::simplifyVarDecl: Don't simplify inside parenhteses
2012-02-18 15:05:29 +01:00
PKEuS
4b52df675a
Some refactorizations
2012-02-18 14:44:04 +01:00
Daniel Marjamäki
0705dbd34a
Tokenizer::simplifyCasts: don't simplify 'f((double)(v1)*v2)' to 'f(*v2)'
2012-02-18 14:26:00 +01:00
PKEuS
2ba2a4e6ae
Some refactorizations
2012-02-18 11:55:05 +01:00
Daniel Marjamäki
bfb4dd6425
Fixed #3529 (False 'Boolean result is used in bitwise operation' in a template)
2012-02-18 08:51:09 +01:00
Edoardo Prezioso
a08dab3776
Fixed warning about order of variable initialisations in Settings constructor.
2012-02-17 21:22:42 +01:00
Edoardo Prezioso
17cd5ec906
Fixed ticket #3604 (cppcheck(1.53) crash).
2012-02-17 21:14:38 +01:00
PKEuS
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
PKEuS
8ea5df62c4
- Improved support for numbers in code:
...
-- 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
Zachary Blair
9d75641ef8
Fixed #3598 (false positive: (error) Memory pointed to by 'a' is freed twice.)
2012-02-16 21:03:38 -08:00
Ettl Martin
d8c24c3afc
fixed wrong spelled word.
2012-02-15 22:57:20 +01:00
Daniel Marjamäki
04e4b5d14d
lib: fix for my previous commit. If there are no dependencies then don't insert dependencies
2012-02-15 08:13:42 +01:00
Daniel Marjamäki
8f3d511871
lib: allow that file dependencies are taken from Cppcheck after a check
2012-02-15 08:08:28 +01:00
PKEuS
2e13a51d08
Fixed #3591
2012-02-13 19:46:45 +01:00
PKEuS
df0cb89a40
Fixed compiler error
2012-02-13 18:48:44 +01:00
PKEuS
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
Daniel Marjamäki
da8abeb63c
Fixed #3584 (2 internal errors : Token::Match called with varid 0)
2012-02-12 17:30:47 +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
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- Improved accuracy of function analysis in symboldatabase
- Code cleanups
2012-02-11 12:26:48 +01:00
Daniel Marjamäki
c33dbb80fb
1.53: Updated version info
2012-02-11 08:17:07 +01:00
Daniel Marjamäki
4511d0fe5f
fixed cppcheck inconclusive warning, possible null pointer dereference otherwise condition is redundant
2012-02-11 08:07:19 +01:00
Daniel Marjamäki
bbb707c460
Fixed #3587 (Wrong tokenizer simplification - variable assigned by operator>>)
2012-02-07 08:05:50 +01:00
Daniel Marjamäki
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
Daniel Marjamäki
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
Daniel Marjamaki
fbb5ebe3c6
Fixed #3577 (Preprocessor: Defines given on command line are not used in the code)
2012-02-05 20:48:28 +01:00
Zachary Blair
8f827aa65f
FIxed #3581 (double free false positive when exception rethrown)
2012-02-04 11:24:40 -08:00
PKEuS
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
Daniel Marjamäki
2be85e9d37
Fixed #3538 (false positive caused by bad tokenizer simplification)
2012-02-01 21:13:26 +01:00
Daniel Marjamäki
036b2a84bf
Fixed #3570 (False Postive for 'nullPointer' check)
2012-02-01 20:38:47 +01:00
Edoardo Prezioso
f9ade9562c
Fixed ticket #3572 (segmentation fault).
2012-01-31 22:32:28 +01:00
Edoardo Prezioso
bc034095f1
Fixed ticket #3543 (segmentation fault of cppcheck).
2012-01-31 19:34:55 +01:00
Edoardo Prezioso
66e1761ffe
Fixed ticket #3571 (segmentation fault of cppcheck while scanning gcc-testsuite).
2012-01-31 18:42:19 +01:00
PKEuS
22c1ce8a68
Fixes for #3480 and #3568 .
2012-01-31 15:49:34 +01:00
Edoardo Prezioso
9f81b48dc1
Fixed ticket #3558 (Tokenizer: improve simplifyVarDecl to take count of undefined size VLA's).
2012-01-30 23:41:43 +01:00
Edoardo Prezioso
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
Edoardo Prezioso
11e724df46
Tokenizer::simplifyTypedef: some optimizations on new code.
2012-01-30 17:08:35 +01:00
Edoardo Prezioso
7cd36f44b6
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': finished.
2012-01-30 16:38:04 +01:00
Edoardo Prezioso
67d095a10e
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': work in progress..
2012-01-30 16:20:15 +01:00
Edoardo Prezioso
7c596a2b90
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': work in progress..
2012-01-30 16:18:42 +01:00
Edoardo Prezioso
187c463475
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': work in progress..
2012-01-30 16:17:57 +01:00
Edoardo Prezioso
b366bf69ad
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': work in progress..
2012-01-30 16:16:08 +01:00
Edoardo Prezioso
fa077ede94
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': work in progress..
2012-01-30 15:08:01 +01:00
Edoardo Prezioso
9438d1c2d0
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': work in progress..
2012-01-30 15:04:41 +01:00
Edoardo Prezioso
fe3fd1a073
Tokenizer::simplifyTypedef: redundant assignment to 'offset'.
2012-01-30 13:33:27 +01:00
Edoardo Prezioso
5a1585dcfb
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': work in progress..
2012-01-30 13:24:31 +01:00
Edoardo Prezioso
d9e9c0aceb
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': in progress..
2012-01-30 13:15:25 +01:00
Edoardo Prezioso
017f0090fa
Tokenizer::simplifyTypedef: 'tokAt(offset)=>tokOffset': begin conversion.
2012-01-30 13:10:50 +01:00
Edoardo Prezioso
e530d770e1
Tokenizer::simplifyTypedef: to be sure there are no problems, promote to 'int' the variable 'offset'.
2012-01-30 13:04:10 +01:00
Edoardo Prezioso
a93af0dba6
Tokenizer:: Use 'link' instead of 'parens' variable.
2012-01-30 12:22:37 +01:00
Daniel Marjamäki
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
.
I don't want this hard coding of macro names. Feel free to come with a more generic solution if you want.
2012-01-30 06:15:41 +01:00
Robert Reif
415aaca6dd
Merge branch 'master' of git://github.com/danmar/cppcheck
2012-01-28 20:59:51 -05:00
Robert Reif
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
Edoardo Prezioso
697af4f7be
Improve 'CheckMemoryLeakInClass::check'.
2012-01-28 23:24:00 +01:00
Edoardo Prezioso
fa77f98b1c
Tokenizer: it's possible to set null lower bound for eraseDeadCode when used inside simplifyFlowControl.
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Remove now unused 'beginindent' and moved 'goto' simplification together with 'return' group.
2012-01-28 21:37:30 +01:00
Edoardo Prezioso
bb703f4d0b
Fixed: (warning) Found simple pattern inside Token::Match() call.
2012-01-28 20:31:12 +01:00
PKEuS
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
Daniel Marjamäki
46b8dc5e16
Fixed #3527 (Internal error. Token::Match called with varid 0. Please report this to Cppcheck developers)
2012-01-28 10:00:41 +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
Robert Reif
42afd2d63a
fix #3561 (SymbolDatabase: throw foo; creates a variable with type throw)
2012-01-27 19:24:01 -05:00
Edoardo Prezioso
8289e2428d
Tokenizer: Stylish change to condition.
2012-01-27 17:12:28 +01:00
Edoardo Prezioso
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
Edoardo Prezioso
6314d04a04
Tokenizer: Add 'BOOST_FOREACH' pattern where it was missing.
2012-01-27 16:47:26 +01:00
Edoardo Prezioso
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
Edoardo Prezioso
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
Edoardo Prezioso
0f1f3c0f5f
Tokenizer::removeRedundantCondition: refactoring due to various reasons.
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1) Remove the dead code with 'eraseDeadCode', not with 'eraseTokens' because of the possible presence of labels.
2) It's impossible that in tokenizer there is pattern like 'if (true|false) {code;} else if (cond) {code_cond;}' because the function 'Tokenizer::elseif' adds '{' between 'else' and 'if', hence a code path is redundant, so it's removed from code.
2012-01-26 22:32:11 +01:00
Edoardo Prezioso
b6763313c5
Tokenizer::simplifyQuestionMark: use links instead of indentation level number.
2012-01-26 17:55:22 +01:00
Edoardo Prezioso
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
PKEuS
6906001366
Added support for references to symboldatabase
2012-01-26 17:04:25 +01:00
PKEuS
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
Edoardo Prezioso
f428a29d8e
Improve simplifyReturnStrncat when each argument is not composed by one token.
2012-01-26 16:09:32 +01:00
Edoardo Prezioso
20372eecfa
Fixed gcc warning: variable which shadows a member of 'this'.
2012-01-26 15:20:20 +01:00