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5462 Commits

Author SHA1 Message Date
Daniel Marjamäki 486a3192c0 Fixed #5246 (false positive: (warning) Logical conjunction always evaluates to false: t > 0 && t < 1.) 2014-02-04 06:50:29 +01:00
Daniel Marjamäki ec61143623 Merge pull request #233 from orbitcowboy/master 
Fixed #389: Providing negative value to memory allocation function.
 2014-02-02 10:47:37 -08:00
Heinrich Schuchardt 6bfd4af5f7 5355: False postive var not assigned 
Avoid false positive "variable not assigned" for

struct Fred{
};
void foo () {
  Fred fred;
  throw fred;
}

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
 2014-02-01 22:40:35 +01:00
Martin Ettl 6ca7daec10 Fixed #389: Providing negative value to memory allocation function. 2014-02-01 22:38:29 +01:00
Simon Martin 8ff9696374 OSX's compiler supports C++11 but one needs to use GNU's STL to build cppcheck, that does not have cbegin/end. 2014-02-01 07:40:08 +01:00
Daniel Marjamäki b3bfd5014d Fixed #5433 (FP:Possible null pointer dereference) 2014-01-31 15:43:34 +01:00
Daniel Marjamäki 9aa9530e0d Fixed #5426 (crash: btrfs-progs cmds-inspect.c) 2014-01-31 06:19:36 +01:00
Lucas Manuel Rodriguez a34d2eb7b3 Fixed #4938: (.empty() method false positive for non-STL classes) 2014-01-30 18:09:24 -03:00
Daniel Marjamäki d6e3b3d3f3 ast: fixed syntax tree for 'a=(b)?1:0'. The parentheses should not be in the syntax tree 2014-01-30 17:31:06 +01:00
Lucas Manuel Rodriguez ad0269eeeb Refactor checks using Variable::isStlType() 2014-01-30 01:26:48 -03:00
Daniel Marjamäki 30b56437c1 Merge pull request #226 from scriptum/rpg-fix-function-parameter 
CheckMemoryLeak: improve leak checking in function parameters
 2014-01-28 20:32:56 -08:00
Lucas Manuel Rodriguez b69fedf70b Fix '-Wshadow' warning (from 'Fixed #5423' commit) 2014-01-28 23:16:29 -03:00
Lucas Manuel Rodriguez 7fdc4ab6cc Refactor isContainerSizeSlow() to use Variable::isStlType() 2014-01-28 13:31:23 -03:00
Kamil Dudka dee18d10a8 Fixed #5423 (fix parsing of #line NNNN "file.c") 2014-01-28 17:15:07 +01:00
Daniel Marjamäki abe8439917 Fixed #5416 (False positive: Array accessed at index, which is out of bounds.) 2014-01-28 16:55:10 +01:00
Lucas Manuel Rodriguez 2048313915 Add Variable::isStlType function 2014-01-28 11:44:56 -03:00
Pavel Roschin 2396073262 CheckMemoryLeak: improve leak checking in function parameters 2014-01-28 17:30:36 +04:00
Daniel Marjamäki 2108251851 Fixed #5417 (ast: avoid hang when '({})' is used) 2014-01-28 06:11:53 +01:00
Daniel Marjamäki c8a1424e10 Fixed #5406 (crash inside valueFlowBeforeCondition() on files from kernel-git) 2014-01-27 06:18:42 +01:00
Daniel Marjamäki 2b8cf462c9 CheckMemoryLeak: Move posix-opendir/closedir to library 2014-01-26 17:02:36 +01:00
Daniel Marjamäki 0c47555423 CheckNullPointer: use library instead of hard coded info 2014-01-26 16:19:49 +01:00
Daniel Marjamäki be082a8e4a value flow: added bailout for conditional return/continue/break when number_of_if is bigger than 0 2014-01-26 15:50:25 +01:00
Daniel Marjamäki c5971b7137 value flow: fix fp when conditional value is assigned 2014-01-25 20:14:49 +01:00
Daniel Marjamäki c1e35e1df1 value flow: fixed multivariable problem in condition 2014-01-25 19:13:33 +01:00
Daniel Marjamäki d227ed245f cleanup 2014-01-25 18:51:55 +01:00
Daniel Marjamäki df0995edf5 Fixed #5403 (Value flow: FP because post increment/decrement is not handled correctly) 2014-01-25 18:31:02 +01:00
Daniel Marjamäki bc9ad08831 Fixed #5245 (false positive: Uninitialized variable (assignment inside ternary operator)) 2014-01-25 10:12:50 +01:00
Daniel Marjamäki 35b51468cb value flow: Fixed FP for division then check in for loop: 'for (a=b/x;x>0;x--)' 2014-01-25 09:22:32 +01:00
Daniel Marjamäki 4647a9fc93 Fixed #5401 (value flow: fp when there are increment/decrement) 2014-01-24 18:22:38 +01:00
Daniel Marjamäki 1cac7e1686 value flow: better handling in function call bailout of casting address of variable 2014-01-24 17:47:49 +01:00
Daniel Marjamäki 135998abba value flow: use const when possible 2014-01-24 06:16:23 +01:00
Heinrich Schuchardt de20ba6763 [PATCH] Types in isRecordTypeWithoutSideEffects 
The type definition of the iterator should match the type definition of the map <const Type *, bool>.
 2014-01-24 06:10:19 +01:00
Daniel Marjamäki 85b6495cce value flow: fixed comments 2014-01-23 19:40:47 +01:00
Daniel Marjamäki ec034c1d59 Fixed #5386 (ast: hang when code is 'for (T a : b)') 2014-01-23 06:13:24 +01:00
Daniel Marjamäki 0dbb86f0cb Cleanup ExecutionPath from CheckBufferOverrun 2014-01-22 21:25:37 +01:00
Daniel Marjamäki 1d7bb05faf Remove ExecutionPath from CheckNullPointer 2014-01-22 20:24:51 +01:00
Daniel Marjamäki f3f7e6d302 value flow: replacing executionpath checking of null pointers 2014-01-22 20:16:31 +01:00
Daniel Marjamäki 43db1ee797 value flow: use more specific bailouts when analysing value flow after assignment 2014-01-22 06:38:25 +01:00
Daniel Marjamäki cc38dec3ad value flow: a bit better handling of assigned variable 2014-01-22 06:10:17 +01:00
Daniel Marjamäki 2b7a991c1a temporarily hide gcc warnings 2014-01-21 21:17:03 +01:00
Daniel Marjamäki a27ccbd0f8 value flow: start implementing value flow analysis of assigned value 2014-01-21 21:13:49 +01:00
Daniel Marjamäki a84fdf98cc Null pointer: remove old checking that is replaced by value flow checking 2014-01-21 19:50:52 +01:00
Daniel Marjamäki 20b73747e0 value flow: refactor. added Token::getMaxValue() 2014-01-21 16:58:23 +01:00
Daniel Marjamäki b91f42453b value flow: improved handling of cast 2014-01-20 22:26:55 +01:00
Daniel Marjamäki bb3cc67aaa value flow: improved calculations that depends on variable 2014-01-20 21:45:30 +01:00
Daniel Marjamäki 69109784e8 value flow: cleanup usage of valueflow. utility function Token::getValue was added. 2014-01-20 06:49:45 +01:00
Daniel Marjamäki add84187cc CheckOther: Removed old zero division check 2014-01-20 06:31:13 +01:00
Daniel Marjamäki 7ff7bc1c2e Fixed #5376 (false positive: zerodivcond (style) Either the condition 'B>0' is useless or there is division by zero) 2014-01-19 20:16:55 +01:00
Daniel Marjamäki 84c5f47eb1 value flow: bailout for class variables that are non-const 2014-01-19 11:55:02 +01:00
Daniel Marjamäki ccda78f347 value flow: fixed todo assertion for handling of conditions 2014-01-19 09:31:40 +01:00
Daniel Marjamäki cdaa7abf7e value flow: better handling of conditional code below || && ?: operators 2014-01-19 09:05:48 +01:00
Daniel Marjamäki 2d0a68cac2 cleanup redundant variable inconclusive 2014-01-18 19:51:57 +01:00
Daniel Marjamäki 77f3f6c21a valueflow: added setTokenValue that perform calculations using set value 2014-01-18 19:30:44 +01:00
Daniel Marjamäki 6a3a9ee8e7 ast: fixed tree for 'sizeof(struct S)' 2014-01-18 13:18:11 +01:00
Daniel Marjamäki c7032a8867 value flow: improved handling of loops 2014-01-18 11:54:00 +01:00
Daniel Marjamäki 498cdb8610 added debug output for the value flow 2014-01-18 09:58:32 +01:00
Ryan Pavlik 32bf275447 Fix case-insensitive string compare function on MinGW 2014-01-17 15:29:53 -06:00
Daniel Marjamäki 3e23e243f6 BufferOverflow: Updated message for out of bounds array index or redundant condition 2014-01-17 19:44:45 +01:00
Daniel Marjamäki 57d318b2e5 valueflow: better handling of increment/decrement 2014-01-17 19:28:28 +01:00
Daniel Marjamäki 18d6285ad2 BufferOverrun: Improved error message when array index is used before checking that its in limits 2014-01-17 18:56:46 +01:00
Daniel Marjamäki b2b5590f2b Refactoring: Moved astStringify to the Token class and renamed it to expressionString. This can often be useful when reporting error messages that contains source code. 2014-01-17 18:37:49 +01:00
Daniel Marjamäki 30cae358d8 Removed the --value-flow flag. ValueFlow analysis will always be enabled from now on. 2014-01-17 18:07:05 +01:00
Daniel Marjamäki 5721e1d745 CheckNullPointer: Removed some of the old checking that doesn't use ValueFlow 2014-01-17 17:47:59 +01:00
Daniel Marjamäki 311059f603 Tokenizer: Removed commented-out simplification 2014-01-17 17:44:33 +01:00
Daniel Marjamäki 3facc06cb7 CheckOther: Removed non-valueflow check for division by possible zero before condition 2014-01-17 17:42:54 +01:00
Daniel Marjamäki 0203a4a6f5 Tokenizer: Removed simplifyGoto as it's the cause of various FPs I see 2014-01-17 17:36:45 +01:00
Daniel Marjamäki 4eb746d7cc Tokenizer: Removed simplifyComparisonOrder 2014-01-17 17:25:56 +01:00
Daniel Marjamäki 0b4de97e2b value flow: Use ValueFlow in CheckBufferOverrun 2014-01-16 19:23:14 +01:00
Daniel Marjamäki 85b73f7c24 ast: fixed hang for weird loop: 'for (each_window(list,p))' 2014-01-16 16:58:50 +01:00
Daniel Marjamäki e72ec830ef ast: fixed hang in for-loop handling 2014-01-16 06:45:35 +01:00
Daniel Marjamäki 141e089329 ast: different handling of for loops. create a syntax tree for whole 'f(a;b;c)'. 2014-01-15 17:32:14 +01:00
Daniel Marjamäki c547c9a108 value flow: fixed fp when variable is used in for-loop condition 2014-01-14 17:57:50 +01:00
Daniel Marjamäki e45a2e2c61 Fixed #5347 (False positive: uninitialized variable (try catch)) 2014-01-14 06:24:09 +01:00
Robert Reif d679a4c1f7 Fixed #5248 (False positive: Invalid argument in scanf for %zd) 2014-01-14 06:09:13 +01:00
Daniel Marjamäki c1c2f4bbc6 value flow: fixed crash reported in #5343 when typeStartToken and typeEndToken are misplaced. 2014-01-13 20:54:09 +01:00
Daniel Marjamäki 7981e3d38f value flow: fix fp when gotos are used 2014-01-13 16:07:25 +01:00
Daniel Marjamäki bfc67a536a value flow: fixed fp when self-checking checkbool.cpp. added some comments. 2014-01-13 06:15:21 +01:00
Daniel Marjamäki b1bbb23225 value flow: fixed fp when checking symboldatabase 2014-01-13 05:52:28 +01:00
Daniel Marjamäki f6c7be91a9 Fixed cppcheck warning 2014-01-12 21:19:20 +01:00
Daniel Marjamäki 8b6f001f94 value flow: inconclusive handling of unknown functions 2014-01-12 19:48:20 +01:00
Daniel Marjamäki 5d2a39b580 CheckNullPointer: improved function call checking when new value flow analysis is used 2014-01-12 19:27:26 +01:00
Daniel Marjamäki 2e67ca06c0 value flow: some simplifications in unknown functions when there is library configuration 2014-01-12 18:19:00 +01:00
Daniel Marjamäki ab866be03a Tokenizer: Move 'else if' simplification to tokenize 2014-01-12 17:47:02 +01:00
Daniel Marjamäki d700114edf value flow: bailout if condition is defined by macro 2014-01-12 17:16:51 +01:00
Heinrich Schuchardt f6510a6b45 Fixed #5339 (Tokenizer::setVarId : function-pointer function argument not getting variable id, causing FP) 2014-01-12 15:15:09 +01:00
Daniel Marjamäki 3d79613f2b value flow: more bailouts when return/break/continue/goto is reached. TODO: handle these better. 2014-01-12 15:07:58 +01:00
Daniel Marjamäki 155990cb0e value flow: improved checking of do-while loops for non-local variables 2014-01-12 15:02:58 +01:00
Daniel Marjamäki 5b679fc732 value flow: fixed fp for data member 2014-01-12 14:37:26 +01:00
Alexander Mai 86763b401c Fixed #5340 (Preprocessor: not using errorLogger when reporting syntax errors) 2014-01-12 13:15:54 +01:00
PKEuS b775714e3d Moved several hardcoded function names in format string checking into libraries (std.cfg and windows.cfg). 
Added support for loading a library in test suite.
 2014-01-12 03:44:24 -08:00
Daniel Marjamäki 21d317b7d6 value flow: fixed redundant null pointer check 2014-01-12 12:38:41 +01:00
Daniel Marjamäki d8262963d9 value flow: condition in loop, bailout valueflow analysis before loop if there is assignment inside the loop 2014-01-12 11:58:10 +01:00
Daniel Marjamäki e3496080c8 Fixed #5334 (False positive: same expression on both sides of '||') 2014-01-12 07:40:56 +01:00
Daniel Marjamäki f58e1ab80e value flow: fixed fp in switch 2014-01-11 21:21:00 +01:00
Daniel Marjamäki 3625d179e5 value flow: don't perform value flow analysis in sizeof/typeof expressions 2014-01-11 21:10:01 +01:00
Daniel Marjamäki 680d3f1312 value flow: fixed fp for nested assignments 2014-01-11 20:53:23 +01:00
Daniel Marjamäki 4d045879aa value flow: fixed fp when while condition contains variable that is changed in loop body 2014-01-11 20:25:49 +01:00
Daniel Marjamäki 75f9111775 value flow: bailout when variable is used in assignment to itself 2014-01-11 15:36:09 +01:00
Daniel Marjamäki 1fc2c9fe79 ast: fixed syntax tree for statement enclosed in parentheses ';(expr);' 2014-01-11 15:18:39 +01:00
Daniel Marjamäki ceca6be22b Fixed #5334 (False positive: same expression on both sides of '||') 2014-01-11 15:15:01 +01:00
Daniel Marjamäki eaf8c83db5 value flow: refactoring. broke out function for skipping value simplifications in expressions. 2014-01-11 14:54:10 +01:00
Daniel Marjamäki 85dcb14813 value flow: bailout in valueFlowBeforeCondition if variable can be assigned by subfunction 2014-01-11 14:31:51 +01:00
Daniel Marjamäki 225001a45c value flow: changed astparent lookup 2014-01-11 12:47:47 +01:00
Daniel Marjamäki 02b92efd1a value flow: improved analysis of expressions below ?, && and || operators 2014-01-11 12:44:55 +01:00
Daniel Marjamäki 60348da1b5 value flow: fixed fp for rhs in && and || expressions 2014-01-11 11:30:34 +01:00
Daniel Marjamäki 1ad94a8be5 value flow: loosen up bailouts in valueFlowSubFunction 2014-01-11 07:52:25 +01:00
Daniel Marjamäki 57d241793f value flow: fix segfault if var is null 2014-01-10 18:30:41 +01:00
Daniel Marjamäki c687933e9f value flow: improved handling of for loops 2014-01-10 18:19:24 +01:00
Daniel Marjamäki 3eebc8a9f1 test1 2014-01-10 16:51:58 +01:00
Daniel Marjamäki 3e7f692d4d value flow: stop checking global variable when going out of function scope 2014-01-10 16:17:19 +01:00
Daniel Marjamäki acb103e214 value flow: skip scopes that don't contain variable 2014-01-10 16:13:39 +01:00
Daniel Marjamäki 81513b4346 value flow: Readded safety check that tok->astOperand1() is not NULL 2014-01-10 05:54:03 +01:00
Daniel Marjamäki d085705e8f value flow: assume that value of global const variable is not changed 2014-01-10 05:47:56 +01:00
Daniel Marjamäki a26c5736da Library: Allow loading xml data from memory 2014-01-09 21:58:56 +01:00
Daniel Marjamäki 752e9d0fb7 Tokenizer::varId: Fixed wrong varid for shadow types with same names as class members 2014-01-09 21:44:29 +01:00
Daniel Marjamäki 1be30bf022 ast: fixed handling of templates 2014-01-09 17:14:16 +01:00
XhmikosR f9dd9676be Fix the C4099 warning. 2014-01-09 16:58:42 +02:00
Daniel Marjamäki 04cb56e070 ast: fixed trouble with 'ab=a+(b/(c))+d;' where the '(c)' could be mistaken for a cast 2014-01-08 21:49:42 +01:00
Daniel Marjamäki 4f11086505 Tokenizer: Don't remove parentheses in 'a?b:(c>0?d:e)' 2014-01-08 20:53:33 +01:00
Daniel Marjamäki 32f2ee422f value flow: fixed segfault and added more handling of unsigned values 2014-01-08 20:10:38 +01:00
Daniel Marjamäki 644004573b Preprocessor: fixed 8.0E+007 in macros 2014-01-08 18:05:14 +01:00
Daniel Marjamäki 7c4a7ac3d5 value flow: starting to refactor CheckNullPointer::nullPointerDeRefThenCheck 2014-01-08 17:37:39 +01:00
Daniel Marjamäki 26a72d73fe value flow: improved subfunction handling when using && or || in function argument 2014-01-08 16:49:15 +01:00
Daniel Marjamäki a2fe1ebe92 value flow: pass result of bool operator to function 2014-01-08 16:17:47 +01:00
Daniel Marjamäki 6d22c9deaa value flow: if unsigned variable is compared against 1 with either >= or <= then assume it can have the value 0 2014-01-08 06:53:17 +01:00
Daniel Marjamäki 1e3c43e708 value flow: improved bailouts in ?: 2014-01-08 06:39:15 +01:00
Daniel Marjamäki dfee044925 value flow: Fixed wrong value in subfunction after conditional return 2014-01-08 06:04:51 +01:00
Daniel Marjamäki 1fb0b1750c value flow: Fixed FP in ?: 2014-01-07 19:46:13 +01:00
Daniel Marjamäki 740f72fdbd value flow: simple handling of for loops 2014-01-07 19:20:56 +01:00
Martin Ettl fa04273473 Merge branch 'master' of https://github.com/danmar/cppcheck 2014-01-06 18:51:15 +01:00
Daniel Marjamäki 126f2ed423 Fixed Visual Studio compiler error 2014-01-06 18:14:29 +01:00
Daniel Marjamäki a6320a35e0 value flow: added experimental subfunction handling 2014-01-06 16:37:52 +01:00
Daniel Marjamäki 58fb2e756b Value flow: added bailout on } 2014-01-06 11:27:56 +01:00
Daniel Marjamäki 39b47cc1e7 value flow: improved error message output for conditional division by zero 2014-01-06 10:51:17 +01:00
Daniel Marjamäki a5b79bc968 value flow: fixed bailout so it really bails out 2014-01-06 10:23:17 +01:00
Zachary Blair 4a2da09491 minor cleanups. initialize members in initialization list 2014-01-06 08:02:04 +01:00
Daniel Marjamäki c4fa3bb137 value flow: added bailouts for global variables and assignments 2014-01-06 07:44:58 +01:00
Daniel Marjamäki c32d0f1992 CheckInternal: Improved checking of multiCompare patterns. The multiCompare pattern can contain any %cmd% until there is non-%cmd% used. For instance %var%|%num% is handled ok. 2014-01-05 23:03:36 +01:00
Daniel Marjamäki a98c66b048 Fixed Token::Match pattern. See also #5310 2014-01-05 23:02:07 +01:00
Daniel Marjamäki 4620284cbf astyle formatting 2014-01-05 22:06:11 +01:00
Daniel Marjamäki 62c608141d CheckInternal: Improved checking of multiCompare patterns 2014-01-05 21:15:41 +01:00
Daniel Marjamäki 0877adb542 astyle formatting 2014-01-05 21:12:32 +01:00
Daniel Marjamäki afaf1473a8 Value flow: refactorings, write debug warning if iterating too far 2014-01-05 20:06:46 +01:00
Graham Whitted 86201c13cb Fixed #5097 (TemplateSimplifier::expandTemplate assertion failure) 2014-01-05 19:19:52 +01:00
Alexander Mai 77362fd671 Fixed #5289 (Crash: Stack overflow in isImplicitlyVirtual_rec when checking SVN) 2014-01-05 19:10:16 +01:00
Daniel Marjamäki 29c64cc34c Merge pull request #209 from simartin/ticket_5266 
Ticket #5266: Properly tokenize "complex" static variable declarations.
 2014-01-05 04:44:22 -08:00
Daniel Marjamäki deb3699bd8 value flow: Updated Visual Studio files 2014-01-05 09:52:37 +01:00
Daniel Marjamäki 9fabc7991a value flow: fixed segfault when checking lib/mathlib.cpp 2014-01-04 21:28:15 +01:00
Daniel Marjamäki 45278eadc7 value flow: fixed bugs 2014-01-04 21:23:17 +01:00
Daniel Marjamäki d8270c710a Add new experimental value flow analysis 2014-01-04 20:57:02 +01:00