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7336 Commits

Author SHA1 Message Date
Robert Reif 768c26805c Fixed false positive: %Ld in format string (no. 1) requires 'long long' but the argument type is 'long long' (#7601). 2016-07-16 10:33:46 +02:00
PKEuS f869f7ebde Fixed false positive reademptycontainer when end() is called (#7560) 2016-07-10 10:48:21 +02:00
PKEuS ded8d80b23 Library: Support arguments with default value. Fixed default value handling for <container> tags broken in last commit. 2016-07-09 12:44:17 +02:00
Robert Reif c1594bedbb Fixed creation of SymbolDatabase for some template code (#7594) 2016-07-09 09:22:52 +02:00
PKEuS 44a19b527e Use ValueFlow and SymbolDatabase to detect buffer overflows with new and malloc, improving support for enums (#7576) 2016-07-08 20:53:08 +02:00
Robert Reif eca805ba3b ValueFlow: Fixed constant folding of sizeof(enum) and sizeof(enumerator) (#7564) 2016-07-08 20:39:34 +02:00
PKEuS a808549af0 Support lambdas in simplifyCompoundAssignment (#7571) 2016-07-08 20:10:33 +02:00
Daniel Marjamäki a87b4368cb Revert "Preprocessor: Start replacing our Preprocessor code with simplecpp" 
This reverts commit 9820783b60.

There was Travis errors I'll need to look more at.
 2016-07-07 23:45:42 +02:00
Daniel Marjamäki 9820783b60 Preprocessor: Start replacing our Preprocessor code with simplecpp 2016-07-07 22:58:56 +02:00
PKEuS 644a216394 Fixed two false positives related to char arrays initialized by a literal: 
- Run check for writing to string literals on non-simplified token list (#7283)
- Run buffer overrun checking for string literals on non-simplified token list (https://sourceforge.net/p/cppcheck/discussion/general/thread/2c33dfc5/)
 2016-07-07 19:38:15 +02:00
PKEuS 3bdcf68990 Fixed false positive in CheckUnusedVar::checkFunctionVariableUsage(): Bailout when break; is encountered 
See also: https://sourceforge.net/p/cppcheck/discussion/general/thread/1c169dc5/
 2016-07-07 18:27:31 +02:00
Simon Martin 40eacb19b1 Ticket #7565: Handle numbers with several C++14 integer separators. 2016-07-01 23:24:28 +02:00
umanamente 0f11007c19 Fixed #7083 (false positive: typedef and initialization with strings) 2016-06-21 22:42:46 +02:00
PKEuS dde6f5eaea Do not warn about alloca() in C89 mode (#7558) 2016-06-20 09:30:41 +02:00
PKEuS 721bc32b2d Fixed crash in CheckVaarg::va_list_usage() (#7559) 2016-06-20 09:24:23 +02:00
Bartlomiej Grzeskowiak a5cfa2b12c - #7522 and #7428 revisited. ((a&7)>7U) is always false and ((X|7)>=6) is correct (X can be negative). 2016-06-17 12:12:53 +02:00
Daniel Marjamäki d1f06ff47c Fixed #7175 (False positive performance warning (buffer overwritten before its old content has been used)) 2016-06-13 15:46:43 +02:00
PKEuS 53e2cabdbb Properly support "break" in CheckVaarg::va_list_usage() (#7533) 
Ran AStyle
 2016-06-07 19:28:32 +02:00
Simon Martin 3c10b25b3e Ticket #7117: Properly detect if a const ternary operator is in a template parameter list. 2016-06-05 14:13:32 +02:00
Robert Reif 583b340034 enum: set the return type of derived class functions returning enums defined in a base class. 2016-06-05 14:08:33 +02:00
Simon Martin 3095f47a7b Ticket #7137: Properly detect C++14 digit separators. (#802) 
Add an optional extended description…
 2016-06-04 22:55:55 +02:00
PKEuS 3916cd628e windows.cfg: Fixed configuration of _tfopen_s/_wfopen_s ( 2016-06-02 09:41:01 +02:00
PKEuS 9a61559eca Fixed false positive va_list_usedBeforeStarted (#7527) 2016-06-02 09:32:45 +02:00
Daniel Marjamäki c24a4b9189 Removed enum mismatch checker. Ticket #6960. 2016-05-29 18:00:37 +02:00
Robert Reif f4dd43a71a Fixed #7523 (Scope::findEnumerator(): does not find enum constant from other enum type) 2016-05-29 14:45:45 +02:00
Simon Martin 12a298b9cd Ticket #7445: Properly represent integer types smaller than int in CheckIO::ArgumentInfo. 2016-05-28 15:36:13 +02:00
Daniel Marjamäki 2b2f12bcd5 Fixed #6758 (Preprocessor: handle #__VA_ARGS__) 2016-05-28 11:27:45 +02:00
Daniel Marjamäki cee67730b1 Fixed #5746 (Cppcheck returns error-exitcode when globally suppressed error is encounted when running with multiple jobs.) 2016-05-27 20:13:51 +02:00
PKEuS 00e4f70fe3 Fixed false positives in CheckSizeof::checkSizeofForPointerSize() (#7518) 2016-05-26 21:25:29 +02:00
PKEuS 373ac52480 Mention exact function name in invalidscanf message (#5649) 2016-05-26 21:11:33 +02:00
Daniel Marjamäki 4b903a838f Fixed #5522 (CheckLeakAutoVar: Don't treat 'x==p' as dereference of p) 2016-05-26 19:22:38 +02:00
Daniel Marjamäki be755af762 Removed todo testcase for #5783 2016-05-26 18:47:36 +02:00
Daniel Marjamäki 2a42f245a9 Fixed #7130 (Wrong assignmentInAssert when using lambda in predicate function) 2016-05-26 18:29:29 +02:00
Daniel Marjamäki 54be403f64 Fixed #7026 (Cppcheck does not recognizes the use of a variabile inside lambda function) 2016-05-26 18:07:56 +02:00
Daniel Marjamäki 38741868b5 Fixed #3989 (false positive: memory leak (inline function)) 2016-05-26 17:42:27 +02:00
Robert Reif 66cacde3db Fixed #7513 (value flow of array dimension with enum doesn't always work) 2016-05-26 11:25:50 +02:00
Daniel Marjamäki 50352c8d69 Fixed #3552 (Don't warn about missing ctor for class inside union) 2016-05-25 19:05:16 +02:00
PKEuS c7b3836379 Small refactorizations: 
- Optimized performance of several functions by adding pre-checks
- Simplified some code
- Fixed VS warning in testsymboldatabase.cpp
 2016-05-25 15:30:49 +02:00
PKEuS 8c0eab3eb3 Optimization: Improved performance of CheckBufferOverrun::checkScope() when dealing with a large number of arrays (#5975) 
-> checking time decreases from 1010s to 50s on the code snippet in #5975
-> Dropped a garbage code unit test
 2016-05-25 14:42:00 +02:00
Daniel Marjamäki ae97f53244 Fixed #6184 (ValueType: overloaded < operator) 2016-05-25 13:56:36 +02:00
Matthias Krüger 0556edd151 fix #7505 (crash on invalid code) 2016-05-25 13:14:34 +02:00
PKEuS f2ae295f1e Support char literals in CheckCondition::checkIncorrectLogicOperator() (#5912) 2016-05-24 15:08:48 +02:00
Daniel Marjamäki 06a594a9e0 Fixed #6207 ('not' misinterpreted as alternative C token) 2016-05-24 13:33:21 +02:00
Daniel Marjamäki 397480f929 Fixed #7376 (ValueType: wrong type for container element) 2016-05-23 18:53:59 +02:00
Daniel Marjamäki 37afc57a2a Fixed #7455 (Suppressions: not working well with windows path separators) 2016-05-23 15:38:47 +02:00
PKEuS 4bb99a7887 Improved CheckSizeof::checkSizeofForPointerSize(): 
- Support cast in front of malloc() call
- Support sizeof(type) pattern (#4428)
 2016-05-22 22:29:52 +02:00
Daniel Marjamäki 710e066a9a Fixed #6406 (VarId: struct member initialization) 2016-05-22 21:18:52 +02:00
PKEuS 64d2fd2f57 Added new attribute "arg" to <alloc> and <dealloc> to specify the argument that is allocated/deallocated. 
This fixes several issues with allocation functions in windows.cfg, such as HeapAlloc() and VirtualAllocEx() (#7503)
 2016-05-22 17:19:14 +02:00
PKEuS 851c6e0ed5 Improved buffer overflow checking for scanf: %c with a width (#3494) 2016-05-22 14:00:26 +02:00
Daniel Marjamäki 06d5e73e88 Fixed #7471 (Tokenizer::prepareTernaryOpForAST: typedef with comma inside ?:) 2016-05-22 11:33:21 +02:00
Daniel Marjamäki b7b92b2140 Fixed #6674 (false positive 'unusedPrivateFunction' - calling virtual function in subclass) 2016-05-21 20:07:35 +02:00
Daniel Marjamäki c23c1f245c Fixed #6989 (incorrect memleak error) 2016-05-21 14:03:28 +02:00
Alexander Mai d492500f34 #5844 False positive: returnReference fp for inner lambda function 2016-05-20 23:46:56 +02:00
orbitcowboy b1b0c920e3 Removed sprintf_s from windows.cfg. 2016-05-19 08:22:40 +02:00
orbitcowboy 46adf180d7 cfg: Added support for fopen_s and sprintf_s functions. Fixed a wrong tests. 2016-05-18 09:31:26 +02:00
Alexander Mai 303a85a930 #4195 segmentation fault of cppcheck (invalid code). Fix segfault which turned up after refactoring the enum handling code. 2016-05-17 22:19:23 +02:00
Alexander Mai 4f77a2b044 #7500 buffer overflow: encodeMultiChar lib/mathlib.cpp:343. Improve errors handling 2016-05-17 20:43:32 +02:00
Daniel Marjamäki 7453b641bd Fixed #4839 (Variable (in array) is assigned a value that is never used) 2016-05-17 16:03:55 +02:00
Daniel Marjamäki 99fc13ee70 Fixed #6968 (unusedPrivateFunction not correct, called by inner class) 2016-05-16 20:52:50 +02:00
Daniel Marjamäki 65998f1d7c CheckClass: previous change introduced false positives when Token::function() is wrong. Avoid those false positives. 2016-05-16 10:55:22 +02:00
Daniel Marjamäki bce15b1ade CheckClass: refactored the code, use symboldatabase instead of name comparisons when possible, fixed a FN. 2016-05-16 09:36:26 +02:00
amai2012 22542e7547 Merge pull request #794 from simartin/ticket_7452 
Ticket #7452: Properly interpret escape sequences in character literals.
 2016-05-15 20:35:50 +02:00
Daniel Marjamäki 2668cee3cf Fixed #6397 (FP deallocuse - conditional deallocation and conditional return) 2016-05-15 20:27:44 +02:00
Simon Martin 3af30e728c Ticket #7452: Properly interpret escape sequences in character literals. 2016-05-15 15:48:24 +02:00
Alexander Mai 9d1302d523 #7490 sizeof('a') should be sizeof(int) in C mode. Previous fix was hardcoding 4 for C. 2016-05-14 22:52:43 +02:00
Alexander Mai 4816394511 #5970 false positive in Uninitialized variable: d - casting struct var to char*. It got fixed since 1.72, add regression test 2016-05-14 22:36:54 +02:00
Daniel Marjamäki 2cb03b3fd0 Fixed #7409 (Tokenizer: Links not set properly 'Data<T&&>') 2016-05-14 20:40:30 +02:00
Daniel Marjamäki 5a1bea2a09 Fixed #7244 (False memory leak when POD is allocated with value initialization and pushed onto container) 2016-05-14 14:56:51 +02:00
Alexander Mai 251fc022fa #7490 sizeof('a') should be 4 in C mode 2016-05-14 13:05:44 +02:00
Kamil Dudka efe98883ab checkleakautovar: do not miss 'throw' followed by :: 2016-05-13 21:37:49 +02:00
Daniel Marjamäki df6a66deed SymbolDatabase: Add test that makes sure enum constant values are calculated properly. Related with ticket #7493. 2016-05-12 12:07:40 +02:00
Daniel Marjamäki 613311cc57 Fixed #7493 (enumMismatch on Enum declaration) 2016-05-12 11:46:08 +02:00
Daniel Marjamäki b965cf5491 Fixed #7444 (Tokenizer::varId: Wrong varid when there is anonumous union in class) 2016-05-11 20:43:23 +02:00
Daniel Marjamäki bf8471e109 Fixed #7491 (Questionable enumMismatch) 2016-05-11 15:33:59 +02:00
Daniel Marjamäki fb5e6d8a7d Fixed #6960 (New check: enum variable is assigned mismatching value) 2016-05-10 20:22:35 +02:00
Daniel Marjamäki a167a2d242 TestSymbolDatabase: Add some tests for the new enum handling 2016-05-09 18:34:24 +02:00
Daniel Marjamäki eac3660f46 ValueType: Changed type info for enums to 'signed int', that is what checks wants to see mostly. 2016-05-09 11:11:13 +02:00
Daniel Marjamäki 1caa79c45f Tokenizer::simplifyPointerConst: Remove simplification. Its purpose was to avoid crash for garbage code (#6900). This fixes #7485. 2016-05-08 21:32:34 +02:00
Daniel Marjamäki 803b4d4cf8 ValueType: Better handling of nested types 2016-05-08 14:55:10 +02:00
Daniel Marjamäki 636e97c272 ValueType: Improved debug output for nested types 2016-05-08 13:15:20 +02:00
Daniel Marjamäki f0953c6916 ValueType: better handling of nonstandard types 2016-05-08 11:55:25 +02:00
Daniel Marjamäki b26dd1ccab ValueFlow: Handle enums 2016-05-07 20:18:07 +02:00
Daniel Marjamäki be90080976 Fixed #7481 (False positive AssignmentAddressToInteger - pointer to enum) 2016-05-07 19:51:37 +02:00
PKEuS 5d5886b464 Properly detect binary & in CheckCondition::clarifyCondition() (fixes false positives when self-checking cppcheck) 2016-05-06 17:39:41 +02:00
PKEuS 896582ce56 Fixes for CheckStl::string_c_str(): 
- Fixed false positive #7480
- Fixed false negative: Show performance message also for non-local objects
 2016-05-06 17:25:00 +02:00
PKEuS 3366a74bb0 Refactorized CheckCondition::clarifyCondition(): 
- Reimplemented parts of the check based on ValueType
- Merged two loops

Fixed some type conversion messages
 2016-05-06 15:22:45 +02:00
PKEuS 0bf85f9aa5 ValueType: Support integers defined in libraries (#7394) 2016-05-04 15:39:56 +02:00
PKEuS 6c3f0a7bb8 SymbolDatabase: Properly detect lambdas with return type (#7473) 2016-05-04 14:10:09 +02:00
PKEuS f0fb7a8245 Simplify __attribute__ earlier (#7462) 2016-05-04 13:51:34 +02:00
PKEuS 17ccb0fbe6 CheckClass::checkMemsetType(): Skip arrays of pointers (#7456) 2016-05-04 13:38:36 +02:00
PKEuS 21b51dd235 Check64BitPortability::pointerassignment(): Skip over lambdas (#7451) 2016-05-04 13:23:50 +02:00
PKEuS b65cacf4b1 Tokenizer::simplifyStaticConst(): Support "struct" and operator:: (#7403) 2016-05-04 12:33:19 +02:00
PKEuS f23668dfcc Fixed false positive doubleFree (#7401) 2016-05-04 12:14:42 +02:00
PKEuS b7d8cd69f6 Fixed false negatives in CheckStl::string_c_str(): 
- Support more complex patterns (#7385)
- Use same logic for string_c_strReturn() as for string_c_strError()
 2016-05-04 11:10:12 +02:00
amai2012 a54ec615f3 Run astyle 2016-04-25 11:12:35 +02:00
amai2012 7a8a6695a4 Merge pull request #786 from prozak/master 
- fix for #5749 defect: internal error
 2016-04-24 22:19:02 +02:00
PKEuS 949f1379c2 Reverted accidential changes to testrunner.vcxproj 2016-04-22 16:52:32 +02:00
prozak 6592638022 - fix for #5749 defect: internal error 
typedef expansion in cast operator was not processed correctly
 2016-04-22 21:39:03 +08:00
Daniel Marjamäki dc2a92263a Fixed #7426 (RFC: time to replace simplifyEnum?) 2016-04-22 06:02:54 +02:00
Bartlomiej Grzeskowiak 7e020e1d92 - fix for #7428 false negative: Statement is always false 2016-04-14 14:50:08 +02:00
Matthias Krüger b42feb7b88 fix testrunner (sample was not updated in f5e8a72dc2). 2016-04-08 12:09:16 +02:00
amai2012 9f4d4bdde7 #6167 Refactoring: rename test functions. Rename TestTokenizer::removeCast*. TestTokenizer::varid* doesn't exist (anymore?). 2016-03-27 17:36:07 +02:00
Robert Reif 47634a0ada Fixed #7420 ((debug) Executable scope 'foo' with unknown function.) 2016-03-22 14:10:20 +01:00
Daniel Marjamäki ac8341e3de keep type suffixes after constant folding using bit operations 2016-03-21 21:20:02 +01:00
Daniel Marjamäki 4e4873772d Fixed #7395 (ValueType: Result type of assignment operators) 2016-03-21 19:51:09 +01:00
Daniel Marjamäki 072120d19f TemplateSimplifier::templateParameters: Handling r-value arguments 2016-03-18 11:09:41 +01:00
Robert Reif 100c4276ea Fixed #7424 (value type: wrong sign) 2016-03-18 10:30:57 +01:00
amai2012 9700dfead0 Testcase succeeds on Win32-VC-32bit, only 64bit needs to be fixed. 2016-03-01 22:32:27 +01:00
Daniel Marjamäki 253bfe432c Fixed #7410 (Tokenizer: function pointer with throw()) 2016-02-29 08:02:02 +01:00
Daniel Marjamäki c5c376513b Fixed #7102 (Preprocessor: skip __cplusplus sections in headers when .c file is checked) 2016-02-29 07:34:06 +01:00
Alexander Mai 41dee7f970 #7399 CMake error: Cannot specify link libraries for target 'testrunner' (reported by user dbuchholz). Add comment to mathlib.h 2016-02-19 21:40:31 +01:00
Alexander Mai 5c2960713f Correct false positives compareBoolExpressionWithInt (0U) 2016-02-19 21:38:54 +01:00
Robert Reif 0fc59d0228 #7069 False positive invalidPrintfArgType_uint - %lu with 0ul 2016-02-19 10:12:47 +01:00
Daniel Marjamäki 1c5eaf8cf9 TestSimplifyTemplate: fix syntax /classname/class/ 2016-02-14 13:32:58 +01:00
Dmitry-Me 1f27c4b76b Merge pull request #771 from Dmitry-Me/charUsedAsArrayIndex 
Portability warning when 'char' type is used as array index
 2016-02-10 20:11:38 +03:00
Daniel Marjamäki 1ab5805d98 Fixed #6616 (valueFlowForward: for loop, variable in 3rd expression is changed in loop body) 2016-02-08 10:43:41 +01:00
Dmitry-Me c3399493ef Portability warning when 'char' type is used as array index 2016-02-08 10:08:35 +03:00
Daniel Marjamäki 34b5e0ce99 Fixed #6873 (False positive uninitvar - variable initialized via pointer) 2016-02-07 18:48:57 +01:00
Daniel Marjamäki 5fef7cc050 Fixed #4973 (wrong enum simplification of shadow struct variable) 2016-02-07 15:15:20 +01:00
Daniel Marjamäki 6c1012a8d6 Fixed #4625 (wrong enum simplification in shadowed enum declaration) 2016-02-07 13:51:03 +01:00
Daniel Marjamäki f781f13997 Fixed #6806 (wrong enum simplification in initialization list) 2016-02-07 13:34:03 +01:00
PKEuS f8bf2b5776 Removed rest of variableHidingTypedef and variableHidingEnum checking 2016-02-06 20:55:41 +01:00
amai2012 d25258359a #7251 Remove checks variableHidingTypedef and variableHidingEnum 2016-02-06 15:37:58 +01:00
Daniel Marjamäki 7bd034c009 Fixed #7369 (False positive knownConditionTrueFalse - assertions) 2016-02-06 14:37:44 +01:00
PKEuS 0847d3d19a ValueType related bugfixes: 
- ptrdiff_t is SIGNED
 - Detect pointers to unknown types as pointers
 - Do not identify bool* as boolean (#7381)
 2016-02-05 20:29:17 +01:00
PKEuS b4b38fb7ce Use ValueType in CheckOther::invalidPointerCast() 
False negative: operator new is currently not supported by ValueType.
 2016-02-05 20:28:43 +01:00
PKEuS 6215a48dc9 Support member variables in CheckBool::checkAssignBoolToFloat() 2016-02-05 20:28:42 +01:00
PKEuS e71e9bd538 CheckBool: Rely on ValueType, removed a redundant check 2016-02-05 15:48:51 +01:00
PKEuS 618ea498e9 ValueType: Support logical operators 2016-02-05 15:15:13 +01:00
PKEuS 35317695d4 ValueType: Fixed handling of constness 2016-02-05 13:31:31 +01:00
PKEuS 792835cd9a ValueType: Support ++/--. 2016-02-05 12:06:44 +01:00
PKEuS 2b179dc836 ValueType: Properly support ternary operator with pointers (#7378) 2016-02-05 09:59:48 +01:00
PKEuS 3b7948fb4e ValueType: Support ternary operator 2016-02-04 21:20:05 +01:00
PKEuS a9f52aec04 ValueType: Support unary arithmetical/bit operators 2016-02-04 21:03:54 +01:00
PKEuS cae19cadd3 ValueType: Added support for static member variables and simplified code 2016-02-04 20:49:13 +01:00
PKEuS b801386ac8 Fixed bug in Token::findClosingBracket() and broken unit test (#7277) 2016-02-04 10:00:54 +01:00
PKEuS cc8c498ebb Moved a few tests to testgarbage.cpp 2016-02-04 09:10:20 +01:00
Alexander Mai d3546ea410 #7321 segmentation fault in valueFlowSwitchVariableScope::isVariableDeclaration 2016-02-03 22:49:57 +01:00
Alexander Mai cfe9c01bf8 #7257 segmentation fault in valueFlowSwitchVariable (invalid code). Correct SymbolDatabase::validateVariables() so it does not complain about function arguments for function without body 2016-02-03 21:52:02 +01:00
Alexander Mai ca2e3b9abb #7370 False positive uselessCallsCompare on unknown type. Ensure related warnings are only issued on STL types 2016-02-02 20:26:02 +01:00
PKEuS 841f17776b Set ValueType for assignment operators, detect division by zero for %= and /= again (#7322) 2016-02-02 17:17:55 +01:00
PKEuS 4b9241f643 Removed support for patterns like |a|b and a||b (equal to a|b|) 
-> Improved performance by 1,3% (non-matchcompiled build)
 2016-02-02 11:46:42 +01:00
Alexander Mai 468a130447 Fix compiler warnings introduced by refactoring 2016-02-02 09:18:58 +01:00
Alexander Mai a288d5eb16 #7027 TokenList::validateAst() did not detect broken AST with endless recursion 2016-01-31 22:16:58 +01:00
Daniel Marjamäki 988918c9bc ValueType: Use signed as default sign for short/int/long/longlong 2016-01-31 14:34:26 +01:00
Daniel Marjamäki e660c55d39 TestIO: Refactoring macros 2016-01-31 13:49:17 +01:00
Daniel Marjamäki b54613a942 Fixed #7046 (constexpr value used as template parameter reported as not used) 2016-01-31 12:39:43 +01:00
PKEuS 9d2258677d Improved CheckOther::checkUnusedLabel(): Write a warning instead of a style message if it happens inside a switch() 2016-01-31 12:07:24 +01:00
Dmitry-Me cdf68353ae Merge pull request #769 from Dmitry-Me/testNoWarningWhenCharIndexInRange 
Test for signed char index in positive values range
 2016-01-31 13:43:18 +03:00
Daniel Marjamäki c7f5ca74bd VarId: Set varid for template parameters (#7046) 2016-01-31 11:07:30 +01:00