897e8637b4
Fixed #3168 (false negative: buffer overflow in subfunction)
2011-12-10 19:26:12 +01:00
5f522fb841
Tokenizer: improve code and remove redundant checks.
...
In particular: improve 'double sharp' concatenation by handling also code which begins without the [{};]. Do the same with C# code. Also, in the labels simplification function, skip also '{}' when the open bracket is after a '='.
2011-12-10 18:45:27 +01:00
8624c0b9fd
Merge pull request #67 from makulik/master
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Fixed ticket #3389 '-U option doesn't supress include file handling for #include statements inside #ifdef code paths'
2011-12-10 02:44:01 -08:00
91a0a071d0
Take symbol database into use or improve its usage in some checks.
2011-12-09 23:28:10 +02:00
0a777dcb52
Fixed ticket #3389 '-U option doesn't supress include file handling for #include statements inside #ifdef code paths'
...
Signed-off-by: makulik <g-makulik@t-online.de>
2011-12-09 21:57:06 +01:00
9b685ba3c3
Code cleanup
2011-12-09 21:00:57 +01:00
7d12951da0
1)Fixed ticket #3184 (Improve Tokenizer: improve simplifyMulAnd to simplify weirder code);
...
2)Fix a test case inside TestSimplifyTokens::flowControl.
2011-12-09 20:47:51 +01:00
f46cf5fd65
Exception safety: refactorings, use the symbol database
2011-12-09 19:53:00 +01:00
167a7e3e51
Various code cleanups
2011-12-08 21:28:34 +01:00
e2dd085b60
Fixed #3394 (False positive: possible null pointer dereference)
2011-12-08 19:30:14 +01:00
1bef8d1247
Tokenizer: Code cleanups
2011-12-08 17:42:26 +01:00
1c1c31bea0
Tokenizer: Refactorings and improvements. Better handling of []
2011-12-07 21:15:00 +01:00
97eecb78a7
Fixed #3381 (false positive: (style) Statements following return, break, continue, goto or throw will never be executed)
2011-12-07 18:20:52 +01:00
b9224439c1
Add 'exit' and 'abort' to the flow control list in order to simplify code after them.
2011-12-06 22:56:12 +01:00
eb5fe250ab
Partial fix ticket #3385 ('throw' isn't removed if the argument of the function is type 'struct|class').
2011-12-06 21:02:26 +01:00
4884a1dfe0
sanity check for ticket #3387 ( buffer access out of bounds)
2011-12-06 20:53:56 +01:00
0504952950
Remove some redundant parenthesis - part 9
2011-12-06 16:53:57 +01:00
9cadd7c17a
Remove some redundant semicolons - part 8
2011-12-04 19:11:51 +01:00
4946b036ad
Remove some redundant semicolons - part 7
2011-12-04 18:08:35 +01:00
52a174fa9d
Remove some redundant semicolons - part 6
2011-12-04 17:30:25 +01:00
b45d63a10a
Remove some redundant semicolons - part 5
2011-12-04 17:15:53 +01:00
2fc067e6ab
Tokenizer::simplifyConst : handle also '%type% const' when the 'type' token is the first one in the list.
2011-12-04 16:59:19 +01:00
a363749a17
1) Remove some redundant semicolons - part 4 ('typedef' != _tokens.str());
...
2) Tokenizer: Use Token::eraseTokens instead of using the same instructions as the ones inside such function.
2011-12-04 15:40:05 +01:00
eeb6dc48a5
Fixed #3359 (False positive: array[idx++] += val triggers unexpected 'Array index out of bounds' error)
2011-12-04 12:22:21 +01:00
49784a44e1
Tokenizer: improved handling of inner templates. Partial fix for #3226
2011-12-04 11:38:41 +01:00
f47ac539d6
Tokenizer::simplifyFlowControl: 1) remove consecutive 'break' or 'continue', since they don't influence the CheckOther results; 2) improve the code speed where possible;
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Tokenizer::eraseDeadCode: Ditto.
2011-12-03 17:15:19 +01:00
50dfdf7c2e
Fixed #3350 (Analysis failed)
2011-12-03 15:15:15 +01:00
c90558f730
Fixed #3358 (False null pointer dereference positive with ternary ?: operator)
2011-12-03 13:10:07 +01:00
b7988a3dab
Fixed #3336 (False positive: Member function is not used (used by template function))
2011-12-03 12:19:26 +01:00
1f438b0505
Fixed #3375 (Improve check: Detect unreachable code)
2011-12-03 11:43:23 +01:00
fb3115a199
Fixed #3267 (False positive: resource leak in vdr-xinelib)
2011-12-03 09:53:36 +01:00
00bae586e9
Add 'throw' to the flow control statements list for simplification of dead code.
2011-12-03 02:04:29 +01:00
42a557432d
Remove some redundant semicolons - part 3
2011-12-02 23:04:06 +01:00
c2ddb67316
Remove some redundant semicolons - part 2
2011-12-02 22:58:29 +01:00
ff1cb241a8
Remove some redundant semicolons - part 1
2011-12-02 22:39:33 +01:00
9a84c5845a
Fixed #3373 (False posititive: incorrect %* handling in sscanf)
2011-12-02 17:09:32 +01:00
6763e596b9
Fixed #3345 (false positive: possible null pointer dereference (guarded by &&))
2011-12-02 06:11:55 +01:00
b2ea78543b
Fix false positive with non-const function calls
2011-12-01 19:57:04 +01:00
98480bf504
Fixed #3354 (Incorrect both sides of '||' expression match when using increment in expression.)
2011-12-01 17:46:33 +01:00
31b576de3b
Fixed #3334 (Test for same expression on both sides of '&' reports false positive)
2011-12-01 17:07:55 +01:00
c5695503b3
Merge pull request #66 from makulik/master
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Fixed preprocessor testcases
2011-11-30 20:57:45 -08:00
344d7e2f34
Fixed #3283 (False negative: array index out of bounds not found for constant string and known array index value)
2011-11-30 19:17:09 -08:00
8c04431b17
Removed int cast from undef preprocessor testcases
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Signed-off-by: makulik <g-makulik@t-online.de>
2011-11-30 22:10:49 +01:00
31c22ca31e
Fixed preprocessor testcases
...
Signed-off-by: makulik <g-makulik@t-online.de>
2011-11-30 21:51:23 +01:00
0bf17213ec
Merge pull request #65 from makulik/master
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Solution for ticket #3353 'Allow explicit undef's for configuration'
2011-11-30 12:42:11 -08:00
323019c48f
Fixed #3355 (False positive: member variable initialization (::ZeroMemory))
2011-11-30 21:28:16 +01:00
1e8fc71f8e
Solution for ticket #3353 'Allow explicit undef's for configuration'
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Signed-off-by: makulik <g-makulik@t-online.de>
2011-11-30 20:24:01 +01:00
ee3e10ea97
Fixed #3364 (Crash in printf parsing)
2011-11-30 20:23:29 +01:00
d0247f3a8d
Fixed #3268 (False positive: resource leak in vdr-xineliboutput)
2011-11-30 20:07:56 +01:00
dcd3f4fe3d
Fixed #3267 (False positive (experimental): resource leak in vdr-xinelib)
2011-11-30 19:43:02 +01:00
414e0ecc3c
Uninitvar: Reactivated the checking
2011-11-30 18:57:52 +01:00
b61c01c6a4
Fixed #3356 (false positive: (warning) Comparison of a boolean with integer that is neither 1 nor 0)
2011-11-29 18:14:57 +01:00
b538f49a6e
Merge pull request #61 from richq/sameexpr
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Fix for #3317 - same expression on both side of '&&' false positives
2011-11-29 08:50:02 -08:00
be0acad11f
Improvements to Nullpointer dereference on function call check:
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printf format string parser improved (similar to my recent patch
on the argument counter), frexp/modf supported (#1572 ), Code
cleanup
2011-11-28 22:32:07 +02:00
39af75abb4
Fixed #3303 (false positive: memory leak (reference count))
2011-11-28 20:08:29 +01:00
522da8d258
sizeof for numeric constant : disabled check. see ticket #3179
2011-11-27 18:50:21 +01:00
e0b50719f4
Fixed #909 (improve check: out of bounds of memchr function and out of bounds check)
2011-11-27 07:54:52 +01:00
71c8669261
Fixed #3311 , #3313 and #3339 (printf format string false positives)
2011-11-27 07:29:09 +01:00
6b1594244e
code cleanups and refactorings
2011-11-26 21:15:16 +01:00
50c320ef27
memory leaks: Made leak checking inconclusive instead of experimental
2011-11-25 14:47:45 +01:00
a8f2dc1fec
Fixed #1841 (STL: false negative for invalidated iterator after erase)
2011-11-25 07:34:50 +01:00
3ae96600b5
Fixed #3212 (Simplify the double pointer cast)
2011-11-25 07:23:54 +01:00
0722da026f
Run astyle
2011-11-24 10:08:21 +01:00
d28cf42d4c
Fix ticket #3317 (same expression false positives)
...
Add a check for function calls that have no side effects. That means
known const methods and a list including strcmp, strlen, etc.
If the function is not known to be side effect-free then no style
warning is given.
Add test cases for the duplicate expressions.
2011-11-23 21:39:03 +01:00
511ac0ab1f
Remove false positives for nested logic
2011-11-23 21:39:03 +01:00
b0574cd02e
Fix ticket #2233 (unused private static function)
2011-11-23 21:28:08 +01:00
d76657fec8
Fix false positives for null pointer on exit
2011-11-23 21:27:15 +01:00
1b1fd9d39c
Fixed #3196 (False positive: member variable not initialized in constructor (union))
2011-11-22 19:26:00 +01:00
add2b3706b
Fixed #3352 (False positive: member variable not initialized (3D array))
2011-11-22 18:45:25 +01:00
17f891ad34
Tokenizer::setVarId: Fixed problem with class declarations with inheritance. skip them.
2011-11-21 21:18:56 +01:00
9aa8a49677
Tokenizer::setVarId: fixed 'using' bug
2011-11-21 18:04:42 +01:00
648fcb9e42
operator= should return reference: Made check inconclusive. See ticket #3296
2011-11-21 08:00:10 +01:00
5b5ea29f23
Mismatching format string parameters. Made check experimental. See tickets #3311 , #3313 and #3339
2011-11-21 07:31:06 +01:00
eebd1393ff
"Internal error. Token::Match called with varid 0." didn't work when error was in a header file. Fixed that.
2011-11-21 00:41:26 +02:00
91e89380c2
astyle fix
2011-11-20 23:43:55 +02:00
e0ea4228cd
"Internal error. Token::Match called with varid 0." will now cause check to abort and write a proper error log with filename. Previously filename was empty and format was always xml.
2011-11-20 23:38:37 +02:00
004dcf834b
Fixed #3281 (Tokenizer::simplifyKnownVariables : static constant value is not used)
2011-11-20 21:50:26 +01:00
9a8c48b36e
Fixed #3255 (Error message for std::string::c_str() is not descriptive)
2011-11-20 19:26:07 +01:00
d0d5a2fcd8
Completed ticket #3230 (Refactoring: add function to remove tokens when a label is found.) and fixed ticket #3264 (False positive: Variable is assigned a value that is never used).
2011-11-20 18:37:00 +01:00
77925dc629
Class checking: made 'technically function x can be const' inconclusive
2011-11-20 16:54:06 +01:00
b26811cdf5
astyle formatting
2011-11-20 16:50:41 +01:00
91713ffe84
Fix false positives for %[ in scanf
2011-11-20 16:48:54 +01:00
097637a66c
Fixed #3316 (Cppcheck reporting internal errors - code compiles cleanly)
2011-11-20 16:22:21 +01:00
b92959809c
Uninitvar: Made checking experimental
2011-11-20 15:19:56 +01:00
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
42e369a4b4
Change every 'tokAt(..)->link()' to 'linkAt(..)'.
2011-11-20 14:24:27 +01:00
690702a742
Memory leaks: Made CheckMemoryLeakInFunction experimental
2011-11-20 14:11:22 +01:00
1cf45a5cde
Fixed #3280 (False positive: assigned value that is never used)
2011-11-20 12:09:07 +01:00
8c091ff968
Fixed #3340 (Internal error. Token::Match called with varid 0... union is causing problems)
2011-11-20 08:13:28 +01:00
c025bf9d57
Fixed #3332 (mismatching comparison: Hard to understand)
2011-11-19 08:38:54 +01:00
fa34a14d57
Add more tests for flow control simplification.
2011-11-18 21:10:56 +01:00
44e348d018
Add test for the consecutive braces simplification, thanks to thomasjfox's example.
2011-11-18 21:04:24 +01:00
033fef36da
improved error message 'mismatching comparison'
2011-11-18 20:07:42 +01:00
e78131f9e6
Preprocessor: better handling of #define A 0 => #if A==0. ticket #3331
2011-11-17 19:19:43 +01:00
994f08fdf0
Fixed #886 (new check: wrong value passed to isgraph function)
2011-11-17 16:31:16 +01:00
c317c8979c
Run astyle
2011-11-14 09:21:42 +01:00
527236b321
Fix false positives for delete of known nulls
2011-11-13 22:38:34 +01:00
5cbfbe31c1
Add removal of consecutive braces, i.e.: '{ { ... } }'->'{ ... }'.
...
Changed a little bit the dead code tests.
2011-11-12 12:07:10 +01:00
34e40502c6
Fixed #3314 (cppcheck incorrectly reporting Syntax error.)
2011-11-11 10:53:49 +01:00
8bbd535267
Fixed #3290 (False positive: Null pointer dereference (typeid))
2011-11-11 09:58:17 +01:00
688e290332
Memory leaks: Fixed false positive for 'char *p = strcpy(malloc(10),str);'
2011-11-11 09:07:02 +01:00
ca70693055
Astyle fix
2011-11-10 22:32:37 +02:00
410b11c00f
Merge pull request #60 from richq/varid0
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Fix varid 0 with function pointer and virtual methods
2011-11-09 14:28:54 -08:00
1a454256dc
Cache result of tok->isStandardType()
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Also contains test order improvements from Johan Samuelson (#3116 ).
Run time went down from 15.15s to 14.95s for the case below.
Benchmarked using these settings:
- CXXFLAGS="-O2 -g -NDEBUG"
- time -p cppcheck.git -q --std=posix --enable=all --inconclusive -Dfoo .
on the "rpm" codebase.
2011-11-09 21:56:30 +01:00
7202a51065
Add negative test for .c_str() unit test and TODO_ASSERT_EQUALS ( #3266 )
2011-11-09 21:08:53 +01:00
f56aa19fac
Fix varid 0 with function pointer and virtual methods
2011-11-09 21:07:55 +01:00
2d00cabee1
Fixed #3279 (Token::Match called with varid 0)
2011-11-09 18:49:17 +01:00
b7cc9779c4
Merge pull request #59 from richq/sameexpr
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Improved same expression check for ticket #3274
2011-11-08 23:56:36 -08:00
3b11ae3fac
Merge pull request #58 from richq/autoptr
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Fix namespaced types for auto_ptr new[] errors
2011-11-08 23:49:59 -08:00
7a294c1f79
Fix #3307 (Invalid format string/parameter mismatch warning)
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http://sourceforge.net/apps/trac/cppcheck/ticket/3307
2011-11-09 00:16:37 +02:00
392f705b73
Oops.
2011-11-08 23:10:53 +01:00
0569953753
Fixed ticket #3309 (false positive: (style) Boolean result is used in bitwise operation. Clarify expression with parentheses)
2011-11-08 22:48:14 +01:00
d1bc8819f9
Fix for same expression separated by commas
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The code branch tested by the previous check for && is now different, so
I've changed the test to use == instead. There was also a missing case
when the expression was followed by a comma instead of being preceded by
one.
2011-11-08 21:56:54 +01:00
d5664dd6cf
Improved %or% and & checks
2011-11-08 21:56:54 +01:00
4cb97edbaf
Improved same expression check for ticket #3274
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Expand the logic for the check for the same expression on both sides of
the || and && operators. Now expressions can be more complex, with the
"alt" variable helping to fudge operator precedence to avoid false
positives.
2011-11-08 21:54:42 +01:00
8a60ceed82
Add test for Token::eraseTokens.
2011-11-08 18:59:31 +01:00
3cc9a333c9
Fixed tokenizer: don't change '*(str+num)' if '*' means a product with a previous variable or number.
...
Ditto for '&str[num]' (still commented).
2011-11-08 18:14:43 +01:00
a546fc6e9d
Fixed ticket #3310 (segmentation fault of cppcheck)
2011-11-08 17:37:24 +01:00
3abece027e
Refactoring: unify same dead code tests with a list.
2011-11-08 14:13:26 +01:00
aaa77c4709
Improve tokenizer: remove more redundant parenthesis and add a prototype code for: '&str[num]'=>'(str+num)' with reporting non obvious test failures.
2011-11-07 23:40:06 +01:00
fed875f4a4
Fix #70 (Locate memory leaks when alloc happens in function parameter)
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http://sourceforge.net/apps/trac/cppcheck/ticket/70
2011-11-07 23:50:57 +02:00
7b7e072b88
Fix #3278 (FP: Possible null pointer dereference with for loop)
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http://sourceforge.net/apps/trac/cppcheck/ticket/3278
Bail out if token "for" is encountered.
2011-11-07 22:10:21 +02:00
a83c47d9cf
Fix false positive of %or% match in alternative pattern match code
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%or% triggered on code using "|=" or "||".
2011-11-06 22:12:31 +01:00
7f88b66842
Fix namespaced types for auto_ptr new[] errors
...
This fixes false negatives for code such as:
std::auto_ptr<foo::bar> p(new foo::bar[10]);
The idea is to find a "new", search for the end token ";", then see if
the declaration ends in a closing square bracket. Also fixes other cases
that checked for "new %type% [" so that they work with namespaces.
2011-11-06 21:20:24 +01:00
1360c554ed
Extended isOp() tests to do proper negative testing against other operators
2011-11-06 21:20:13 +01:00
7ef1107a55
Unit test for Token::isArithmeticalOp() and Token::isStandardType()
2011-11-06 18:55:02 +01:00
d7ce892c06
Unit test for %varid% match
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Also run astyle.
2011-11-06 18:37:45 +01:00
05c4b97bbe
Unit test for %type% and %str% matches
2011-11-06 18:30:34 +01:00
fa076598ad
Fixed #3233 (false positive: (style) Checking if unsigned variable 'i' is less than zero.)
2011-11-06 18:24:37 +01:00
95851454cc
Unit test for Token::isExtendedOp() and Token::isAssignmentOp()
2011-11-06 18:19:27 +01:00
19c9c97608
Fix single %op% operator not working at all
...
When parsing the Token::Match pattern, we accesed
the wrong character in the pattern and never
executed the %op% check.
In addition the unit test function for %op%
wasn't registered in the test suite. Ups.
All fixed now and also provide a complete
check for all operators %op% supports.
2011-11-06 18:02:18 +01:00
6e2f2816de
Improve same expression check: remove '%op%' pattern and add ',' for the same expressions as an argument inside a function.
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Improve compound assignment simplification: use already defined 'isAssignmentOp' and extend the adding parenthesis to a generic operator, not only to the arithmetical ones. See: http://en.cppreference.com/w/cpp/language/operator_precedence
2011-11-06 14:35:53 +01:00
f092779a4d
Fixed #3282 (Invalid report that an array index is of type char.)
2011-11-06 11:26:28 +01:00
ed97b62610
Fixed #3275 (Missing includes always reported)
2011-11-06 08:59:07 +01:00
e11c1f7975
Fixed #3265 (false positive: comparison of bool with nonzero integer)
2011-11-06 08:21:34 +01:00
99463d3368
Improve same expression check: take count of operations and assignments before the same expression and add missing 'return' pattern to the struct member variable part of the check.
2011-11-05 22:25:01 +01:00
d4a8184339
Fixed #3251 (Redundant code: Found a statement that begins with numeric constant)
2011-11-05 20:28:52 +01:00
5edf153602
Fixed #3294 (Token::Match multi compare false negative)
2011-11-05 19:24:21 +01:00
580fef6951
Merge pull request #55 from richq/sameexpr
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Improve for same expression on both sides of operator
2011-11-05 10:28:14 -07:00
a3f2c1e651
Improve for same expression on both sides of operator
2011-11-05 15:46:11 +01:00
68202d8ffb
Extra check for auto_ptr new[]
...
This fixes cases like this:
auto_ptr<foo> bar(new foo[10]);
which previously did not work correctly.
2011-11-05 15:45:59 +01:00
2a46c635f6
Test case to demonstrate #3294
2011-11-05 14:04:23 +01:00
b96ab6ba26
Fixed #3188 (Function parser false positive)
2011-11-05 12:23:05 +01:00
085a6285fa
Fixed #3117 (Tokenizer::simplifyKnownVariables : Don't simplify static variable that is changed)
2011-11-05 08:30:11 +01:00
0c469bae41
Fixed #3089 (New Check: Detect wrong usage of printf/scanf)
2011-11-05 07:29:53 +01:00
b91d5e076a
Merge pull request #54 from gansb/master
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Testcases for #3287 and #3290
2011-11-04 22:57:43 -07:00
4342fd254c
Fixed #3266 (False positive on dangerous usage of .c_str())
2011-11-04 19:21:19 +01:00
54c445ca20
Add tests for various bugs.
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False positive: uninitialized variable (ticket #3287 ).
False positive: null pointer dereference in typeid (ticket #3290 ).
2011-11-04 12:27:32 +01:00
9b8ffe7219
Fixed #3248 (Tokenizer: better handling of char constants that are compared with numeric constants)
2011-11-03 20:03:31 +01:00
73f3b2074b
Fixed #3285 (wrong #elif behaviour)
2011-11-03 19:05:48 +01:00
Daniel Marjamäki
Edoardo Prezioso
Daniel Marjamäki
PKEuS
makulik
Ettl Martin
Richard Quirk
Zachary Blair
Marek Zmysłowski
Thomas Jarosch
Reijo Tomperi
Benjamin Goose