62a5d88eb0
ValueFlow: Improved handling of strings
2015-02-07 18:14:22 +01:00
dd70b6e0cd
fix internal message: [lib/valueflow.cpp:239]: (warning) Found simple pattern inside Token::Match() call: "} ;"
2015-02-07 12:51:17 +01:00
29db3eb848
Fixed #5980 (ValueFlow: pointer cant be 0 below throw in switch)
2015-02-07 10:45:30 +01:00
6f6f9f7754
Reorder checks, move declaration
2015-02-06 16:30:39 +03:00
eec938dbad
Fixed #6249 (False positive: Incorrect detection of (assignment + comparison) inside for-clause)
2015-02-05 20:17:30 +01:00
cc18b8d1bb
Merge overlapping patterns
2015-02-05 17:30:49 +03:00
1f31dd749b
Break loop early
2015-02-04 10:47:58 +03:00
323475393b
Symboldatabase: improved debug output
2015-02-04 06:08:41 +01:00
f1714110d0
Fixed crash if double constants are passed as default arguments ( #6494 )
2015-02-03 22:12:05 +01:00
5888b65bd4
fixed --check-library information message
2015-02-03 17:50:32 +01:00
5517c22524
Omit redundant token match
2015-02-03 15:01:09 +03:00
c05e632baf
Cache and reuse value
2015-02-03 11:00:40 +03:00
21fbc30d59
Calling a function using Class::func() syntax should not be simplified
2015-02-02 10:37:10 +03:00
9dfb864522
Fixed two nullpointer messages in cppcheck
2015-02-01 15:21:09 +01:00
451a277b18
Refactorization: Support function default values in ValueFlow, removed now obsolete CheckNullPointer::nullPointerDefaultArgument().
...
-> Use valueFlowForward() to parse values passed to functions
-> valueFlowForward(): Set value in first occurrence of a variable in a condition
2015-02-01 15:15:00 +01:00
f78744ac30
Fixed AST generation if expression starts with ternary operator
2015-02-01 14:02:19 +01:00
d6c94e3828
isOppositeCond: Fixed FN
2015-02-01 13:03:38 +01:00
d091639080
Fixed #6482 (False positive multiCondition)
2015-02-01 12:58:06 +01:00
b74b94b1e6
Partially reverted previous commit - std::vetcor instance creation can't be avoided without generating lots of debug messages
2015-02-01 12:33:53 +01:00
58c3fdd063
Fixed crash on garbage code introduced recently, optimized code in valueFlowFunctionReturn.
2015-02-01 12:26:46 +01:00
a4cc4c3e3f
Refactorization: Use SymbolDatabase scope information in ValueFlow
2015-02-01 12:10:20 +01:00
54b6b8e571
Fixed false positive #6481
2015-01-31 20:34:06 +01:00
21cb0cfd60
Take simplifyIfNotNull and simplifyIfNot out of simplifyTokenList1 (first step for #6072 )
2015-01-31 20:12:02 +01:00
1f97e3001b
Fixed calculation of array size ( #6487 )
2015-01-31 19:06:44 +01:00
ae4b86c231
Several improvements to CheckMemoryLeakNoVar::checkForUnusedReturnValue():
...
- Support user defined functions (solves TODO tests)
- Print message if return value is not stored properly (adapted message text, #6458 )
2015-01-31 17:28:03 +01:00
73113c67e7
Fixed #6480 (False positive unreachableCode - member function exit called instead of ::exit())
2015-01-31 16:55:55 +01:00
789665dadf
Fixed #6455 : Show uninitvar even for const variables
2015-01-31 13:21:22 +01:00
27924d4ae2
Improved detection of array dimensions ( #6430 )
2015-01-31 13:12:06 +01:00
f771a79738
Removed obsolete internal check. The underlying but in Token::Match should be fixed since b4f0869a71
2015-01-31 12:56:54 +01:00
18b0e14590
Refactorizations: Fixed a pattern in checkbufferoverrun.cpp, simplified one in checkclass.cpp
2015-01-31 12:32:05 +01:00
b2835051df
Refactorization: Renamed Token::Match pattern %var% to %name%, implement new pattern %var% which is true if varId > 0.
2015-01-31 12:32:04 +01:00
33f5d27b53
Fixed varId0 message #6443 .
2015-01-31 10:33:32 +01:00
57ec1aea91
Library: Don't rely on ast in isNotLibraryFunction since it's used in tokenizer
2015-01-31 10:24:10 +01:00
36841cfa41
Better support for stream operator in CheckAutoVariables::returnReference() ( #6423 )
2015-01-31 10:12:49 +01:00
3a1bd4a5ad
Fixed gcc shadowing warnings
2015-01-30 22:04:26 +01:00
dcc1362890
SymbolDatabase: Support std::array ( fixes #6401 )
2015-01-30 21:56:27 +01:00
03e44d4aa0
CheckMemoryLeakInFunction: Don't treat delete as delete operator for C code
...
Fixed GCC message in checkbufferoverrun.cpp
2015-01-30 20:55:53 +01:00
98e33a189f
Enhanced CheckBufferOverrun:
...
- Fixed bug in library: manual and existing libraries use "size", but library.cpp reads "sizeof" as podtype attribute
- Fixed a couple of bugs in handling unknown size in checkbufferoverrun.cpp, get size from library if available.
2015-01-30 20:27:48 +01:00
b69528eb80
Bailout in Token::getValueTokenDeadPointer() if reference is used ( #6399 )
2015-01-30 19:29:37 +01:00
0d151b45b5
Better support for funciton pointers in checkuninitvar.cpp ( #6404 )
2015-01-30 19:16:25 +01:00
80feb8697d
Fixed false positives #6473 and #6469
2015-01-29 21:26:06 +01:00
71379616e7
Fixed false positive #6467
2015-01-29 10:18:21 +01:00
9ada111045
Fixed false positive #6466
2015-01-29 09:50:48 +01:00
8225b12763
Fixed some cppcheck messages
2015-01-28 22:29:07 +01:00
3342ea4c54
CheckInternal: Complain about Token::Match pattern if %or% or %oror% is the only "complex" pattern
2015-01-28 19:48:36 +01:00
21bd1d080e
Refactorization: Rearranged some code in checkleakautovar.cpp
2015-01-28 19:44:59 +01:00
0488f45a5f
Removed standalone check CheckOther::checkDoubleFree(), integrated (most of) the functionality into CheckLeakAutoVar. Added support for new/delete to checkLeakAutoVar.
2015-01-28 17:38:43 +01:00
5c56e63996
Fixed false positive #6452 : Handle member functions in CheckIO::checkFileUsage()
2015-01-27 21:52:52 +01:00
e82d2b3c8d
Fixed false positive #6453 : Skip over inner class if checking outer function
2015-01-27 21:21:17 +01:00
3285f85ebf
Fixed #6460 (Library: better function/type matching)
2015-01-27 17:55:18 +01:00
bfa16ec258
Set /LARGEADDRESSAWARE flag for Win32 builds
...
Idea from Kosta-Github (pull-request #501 )
2015-01-27 15:43:40 +01:00
e7bb43fc6b
Cache and reuse token pointer
2015-01-27 10:23:58 +03:00
c79bfdce2c
CheckClass: Better checking of what operator= returns
2015-01-24 11:18:33 +01:00
ee046af20c
Fixed false positives #6450 and #6451
2015-01-23 19:38:39 +01:00
da35a74589
Fixed false negative: Passing uninitialized variable to stream ( #4673 )
2015-01-22 22:56:41 +01:00
da5a04f071
Fixed recently introduced FP in checkuninitvar.cpp if address of variable is passed to a function
2015-01-22 21:22:02 +01:00
4c76f71499
Reactivated old uninitialized variable checker which I accidentially disabled in previous commit
2015-01-22 17:34:22 +01:00
f4d11a4209
Fixed false negatives on try and non-executable scopes in checkUninitVar, removed unnecessary function parameters
2015-01-22 13:55:19 +01:00
bdae9064ea
Support throw in checkleakautovar.cpp
2015-01-22 11:12:26 +01:00
331a6b66be
Fixed internal message
2015-01-22 10:53:53 +01:00
7c60fe4aef
Fixed crash introduced by last commit.
2015-01-22 10:51:06 +01:00
7364cc8040
Fixed false positive in fityk: operator new calling constructor
2015-01-22 10:37:31 +01:00
60b2b655df
Support new/delete in new uninitialized variable checking; realloc() requires an initialized first argument.
2015-01-21 23:46:52 +01:00
c3e47f7eaa
Fixed false positive in CheckUninitVar and internal message
2015-01-21 22:26:44 +01:00
94c3c45350
CheckUninitVar: Use function information from library, bailout for '?'
2015-01-21 22:02:25 +01:00
ecb9d87e42
Fixed false positive: Bailout in checkuninitvar.cpp if setjmp is found
2015-01-21 16:49:34 +01:00
5334aaa25f
Refactorization:
...
- Removed a few unit tests of old uninitialized variable checking expecting other results than same test for new checking
- A few tweaks to new uninitvar checking to improve results when run on tests for old check
- switched some (TODO) tests to new check if the TODO is fixed
2015-01-21 16:17:58 +01:00
d8e282fe76
Refactorization: Made checkUninitVar::isVariableUsage() non-static
2015-01-21 13:52:03 +01:00
346532d312
Fixed false positives in CheckUninitVar::checkStruct()
2015-01-21 13:11:48 +01:00
54de731cac
Refactorized CheckUninitVar::checkScope(), fixed false negative
2015-01-21 12:20:03 +01:00
5f36c7c914
Improved detection of Type::needInitialization:
...
- Implement shortcut for C code - all types need initialization there
- Break out of loop faster if we encounter a type that needs initialization (it is sufficient if one member needs initialization)
2015-01-21 10:34:58 +01:00
141a071792
* Added Clang-related flag to gui.pro
...
* Updated external lib location with PWD variable
2015-01-20 19:20:00 +01:00
ec21134817
Fix false negatives for local suppressions
...
Introduce a new bool setting jointSuppressionReport
that will be set by the analyseWholeProgram() code path.
When the flag is enabled, unmatched suppressions are
collected after running the final whole program analysis
to prevent false positives for the unusedFunction check.
The check functions in the unit test
for single / multi file suppressions were unified.
2015-01-20 18:47:30 +01:00
5a8574cc05
tokenlist::createAst(); should not be const.
2015-01-20 11:22:22 +01:00
bf1565bd34
Fixed inconclusive warnings regarding const correctness.
2015-01-20 09:09:16 +01:00
56dc0b02ef
Fixed #6432 (cppcheck fails to detect ctor - partial template specialization)
2015-01-19 16:15:11 +01:00
3b8540fdc0
Fixed #6424 (false negative: Use of 'class Ns::C' silence Cppcheck)
2015-01-19 06:38:54 +01:00
a83fe0e268
Check "var" for null pointer before using it
...
Reported by covertey -> amai on IRC.
2015-01-18 13:02:58 +01:00
c0aceb893e
Replace custom code with Settings::isWindowsPlatform()
2015-01-18 12:43:43 +01:00
9a5260a43f
Only simplify Windows's DEBUG_NEW macro on Windows platform
2015-01-18 12:20:23 +01:00
cd4c297dce
Fix segfault in template simplifier
...
When something parsing the template syntax
went wrong, "tok2" was NULL and resulted
in deleting all remaining tokens. Whoops.
Triggered by gcc test suite:
gcc/testsuite/g++.dg/cpp0x/variadic87.C
Tracked down the source of the bug with
valgrind's "--track-origins=yes" switch.
2015-01-18 01:43:43 +01:00
58cb6cc116
Add new "style" check to catch redundant pointer operations
...
Doing "&*some_ptr_var" is redundant and might be the remainder
of a refactoring. Warnings for expanded macros are excluded though:
They are often used with and without pointers and
do something like this: "func(&(*macroarg))".
The new check is fully AST based and was given
strong false positive testing on a large code base.
2015-01-18 00:34:07 +01:00
2bcd675653
Verbose AST dump: Show if token is expanded from macro
...
I also added the token variable id, but that decreased
readability of the AST tree too much.
2015-01-17 23:20:52 +01:00
10fffbfce0
Use unsigned int for all flags
...
Frank Zingsheim reported: With the parameter 'flag_'
and the member variable '_flags' having the type 'int'
produces a lot of warings in clang:
"warning: implicit conversion changes signedness: 'int' to 'unsigned int'".
2015-01-17 16:46:05 +01:00
fd01cafb1b
Clean up redundant pointer operations
2015-01-17 16:29:50 +01:00
e6f042dadc
Multi process check: Sanitize error messages for illegal characters
...
before sending them across the pipe.
The deserializer died while deserializing
a string containing a binary zero.
2015-01-17 16:12:00 +01:00
36bcefc39d
Don't crash when the deserialization of an error message fails
...
Found while scanning the code of an
open source project related to onions.
2015-01-17 16:09:58 +01:00
193645318b
Tokenizer: Remove macro in class declaration like 'class DLLEXPORT Fred {}' to be able to handle the class better later
2015-01-17 07:42:49 +01:00
08985bf68a
Throw exception in getVariableFromVarId() if called with out_of_range varId
...
That way we have a chance to catch code bugs at all.
2015-01-15 18:52:11 +01:00
1cc85bfce3
Add bounds check to getVariableFromVarId()
...
While poking around the memory leak check,
I managed to trigger an out-of-bounds access
in the symbol database.
Fix it by sanity checking the variable id
passed to getVariableFromVarId().
2015-01-14 23:00:38 +01:00
ef7f104335
Make sure we have a valid Variable pointer before dereferencing it
...
All other call sites check the pointer already.
2015-01-14 23:00:28 +01:00
c92d861b1e
Fix typo in "internal error" message
2015-01-12 23:09:17 +01:00
68bb197bcb
Destructor detected as constructor resulting in false variable not initialized warnings
2015-01-12 06:11:22 +01:00
059f9d056c
Move to global variables to file scope
...
Putting them in the anonymous namespace
is the same effect as making them "static".
2015-01-11 12:37:11 +01:00
787cbcb02e
Accept unknown elements in Library files, but print a warning. This fixes backward compatibility of libraries with older cppcheck versions
2015-01-10 22:18:57 +01:00
fd2f93bb80
Two small refactorizations:
...
- Avoid leaving and entering again critical section without doing anything
- Use isPointer() in checkbufferoverrun.cpp instead of string comparison
2015-01-10 21:03:21 +01:00
d019b7f9a6
Fixed wrong condition in library.cpp
2015-01-10 20:51:14 +01:00
fe5d2fc245
Fixed #5906 (false negative: 'else if' expression is always false (use library to determine if function is pure))
2015-01-10 12:21:55 +01:00
332254e0af
Make patterns compilable (mini refactoring)
2015-01-09 23:43:45 +01:00
d110d715ba
Refactorization: Use Token::link() when stringifying template argument list in symboldatabase.cpp
2015-01-09 22:03:43 +01:00
4da314b2e4
Declared recently added helper functions as static
2015-01-09 21:40:50 +01:00
25cd3794ac
Refactorization: Simplified and unified SymbolDatabase printing
2015-01-09 21:35:16 +01:00
7452613479
Refactorization:
...
- Merged messages exceptThrowInNoexecptFunction, exceptThrowInNoThrowFunction, exceptThrowInAttributeNoThrowFunction and exceptThrowInDeclspecNoThrowFunction into a single message.
- Merged Token::fIsDeclspecNothrow into Token::fIsAttributeNothrow
2015-01-09 20:18:09 +01:00
4d5bf28b33
Refactorization: Removed code for copying attributes from function declaration to implementation in symboldatabase as it is neither tested nor necessary
2015-01-09 19:46:04 +01:00
6998c55680
Symboldatabase: function return token ( #6244 )
2015-01-09 16:08:34 +01:00
374af15bd4
Fix parsing linkage specifier from global function declaration
...
Our very own "tools/dmake.cpp" had a function declaration
featuring "static void foobar()" while the function implementation
did not have the 'static' keyword (which is perfectly legal code).
2015-01-09 00:38:25 +01:00
2375f1c46d
CheckBufferOverrun: Fix FN when multifile checking is used.
2015-01-08 21:01:22 +01:00
6a8293a8b7
Library: More strict matching of functions
2015-01-08 19:31:41 +01:00
ba1c24ee65
Fixed #6422 (symbol database: put function flags into a single flag variable)
2015-01-08 05:45:31 +01:00
4248c94d87
Silence compiler warning about unused parameter
...
PKEuS should decide if we can drop the parameter altogether.
2015-01-07 16:30:30 +01:00
2cb2161c5d
Fix unmatched local suppression error message for "unusedFunction" ( #6228 )
...
This fixes a regression from commit
e35329aba3#4946 )
2015-01-07 15:40:12 +01:00
cd98471398
Merge branch 'master' of https://github.com/danmar/cppcheck
2015-01-07 08:30:17 +01:00
4bec2b58fd
Unused function check: Fix detection of func.usedOtherFile
...
Check if function is called from another file or not.
2015-01-07 11:29:37 +01:00
c07b07b8fe
Fixed #6415 - FP stringCompare memcmp(ptr, ptr+offset, length).
2015-01-07 08:30:05 +01:00
ba837a6f2d
Added support for strpbrk to std.cfg. Running astyle.
2015-01-07 02:34:41 +01:00
8a6bb46958
Tokenizer: only print AST in debug output if --verbose is used
2015-01-07 06:46:04 +01:00
b0cc46e98b
reverted 840b2fb0, it caused FN. tweaked the Tokenizer::simplifyAssignmentBlock to fix the FP it caused.
2015-01-07 06:38:42 +01:00
840b2fb035
Tokenizer: Removed simplification Tokenizer::simplifyAssignmentBlock. This fixes a fp in linux.
2015-01-06 20:44:58 +01:00
a87fb96eaf
Uninitialized variables: fix fp when 'a=((b)=c)' is used
2015-01-06 18:03:40 +01:00
88e7b55a2d
CheckSizeof: only report warnings when --enable=warning has been used
2015-01-06 15:20:42 +01:00
1068e095e7
Fixed cppcheck warning about iterator post increment
2015-01-06 15:16:29 +01:00
6c3b7c1d0e
CheckBufferOverrun: only report warnings when --enable=warning has been used
2015-01-06 15:14:15 +01:00
228f5960fc
CheckIO: only report warnings when --enable=warning has been used
2015-01-06 15:08:25 +01:00
eee9183406
ValueFlow: improved handling of conditional noreturn scope in valueFlowForward
2015-01-06 14:12:35 +01:00
f2e5fbd30d
Uninitialized variables: bailout when ({..}) are used to avoid fp. it can be handled better.
2015-01-06 07:44:04 +01:00
1f698ca493
ValueFlow: Fixed valueFlowForward, when condition is false and else-block returns dont set values below the else-code
2015-01-05 16:39:47 +01:00
fe8d04e840
CheckNullPointer: Fix FP when x is NULL and address is calculated with expression '&x->y.z[0]'
2015-01-05 14:54:24 +01:00
c5467766e2
ValueFlow: Fix for valueflow analysis after for loop
2015-01-05 14:00:12 +01:00
a80101f277
CheckMemoryLeak: Fix FP for allocation functions that register memory before returning it
2015-01-05 13:23:38 +01:00
fb685f096a
CheckOther:checkNegativeBitwiseShift: Fix FP when shift is protected by ?:
2015-01-05 10:01:04 +01:00
1ef1143609
Make local functions static
2015-01-05 01:25:49 +01:00
d1927e3492
Removed Tokenizer::simplifyStructInit simplification.
2015-01-04 16:48:52 +01:00
432ff8fa7b
Fixed GCC warnings in checkstl.cpp
2015-01-04 14:32:20 +01:00
7bafbfbd6e
Tokenizer: cleanup simplification of '!= 0' to avoid FP in 'x[(y & 0x80) != 0]' (linux)
2015-01-04 13:50:54 +01:00
e06a4cdf00
Refactorized CheckStl::if_find():
...
- Added support for find()-like functions to Library::Container
- Use <container> information from library
- Fixed false positive #6402
2015-01-04 12:43:50 +01:00
f94243f85e
CheckMemoryLeak: Fix fp for allocation function that returns success value
2015-01-04 11:46:26 +01:00
b3c2ea2c4f
CheckUninitVar: Fix fp for 'int x=2+x();' when x() is an unseen preprocessor macro
2015-01-04 11:13:20 +01:00
22bd20c94a
New check: Use make_shared/make_unique ( #5673 )
2015-01-04 11:07:53 +01:00
016e89e422
Refactorizations:
...
- Disabled some parts of setVarId() for C code.
- Fixed mistake in <contaier> documentation
2015-01-04 10:52:11 +01:00
8dd569b9e1
Refactoring: Use AST in CheckUninitVar::isVariableUsage() to determine if & operator is address-of. This fixes FP in linux.
2015-01-04 09:23:24 +01:00
11fa185cae
Fixed crash on range-based for-loop
2015-01-03 22:36:39 +01:00
7ece58c3a0
CheckStl::stlOutOfBounds() now uses <container> information from Libraries
2015-01-03 22:18:33 +01:00
e39729ffcc
Library: Add <container> tag to Libraries, provide configuration for std::vector, std::deque, std::array and STL strings
...
Token: Added function to jump to the next template argument
2015-01-03 22:18:33 +01:00
eb1c048d2a
Tokenizer: Fix wrong simplification when checking linux kernel
2015-01-03 21:35:03 +01:00
014f8e3c71
Fixed #6396 (There are false negatives when --include is used)
2015-01-03 18:22:52 +01:00
267552779d
Improved check ( #6391 ): Detect identical code in both branches of ternary operator
2015-01-03 18:01:49 +01:00
bb9ce68354
Refactorization: Reduced chaos in CheckOther::classInfo()
2015-01-03 18:00:16 +01:00
9e46aabc03
Set version to 1.68.99/1.69 dev
2015-01-03 17:44:47 +01:00
6793e96458
1.68: Set versions
2015-01-03 13:20:01 +01:00
ff11ba9847
Updated copyright year to 2015
2015-01-03 12:14:58 +01:00
Daniel Marjamäki
Matthias Krüger
Dmitry-Me
Robert Reif
PKEuS
PKEuS
Samir Aguiar
Thomas Jarosch
orbitcowboy
Aneesh Azhakesan S
Zachary Blair