Commit Graph

9291 Commits

Author SHA1 Message Date
Daniel Marjamäki 9b2936a66f Code refactoring 2017-11-03 11:41:32 +01:00
Alexey Eryomenko 02461753f3 Fix for embedded PL/SQL blocks (Oracle Pro*C) (#985)
* fix for correct parsing of embedded PL/SQL blocks (Oracle Pro*C)

* enforce SQL block end at the end of nearest outer C block, when
appropriate terminator is not found

* added check for ; at the end of END-EXEC and made SQL block detection
more readable
2017-11-03 11:31:33 +01:00
Oleksandr Redko a8700f5622 Remove redundant parts of conditional expressions (#988)
All issues were found with PVS-Studio:
V560 A part of conditional expression is always true: tok. astutils.cpp 407
V560 A part of conditional expression is always true: size > 0. checkbufferoverrun.cpp 709
V547 Expression 'secondTrue' is always true. checkcondition.cpp 1013
V547 Expression 'firstTrue' is always true. checkcondition.cpp 1020
V560 A part of conditional expression is always true: !scan. checkio.cpp 1036
V560 A part of conditional expression is always true: scope->function. checknullpointer.cpp 395
V560 A part of conditional expression is always true: tok2. checkstl.cpp 268
V560 A part of conditional expression is always true: par. tokenize.cpp 9440
V547 Expression '!erased' is always true. symboldatabase.cpp 3990
2017-11-03 10:39:57 +01:00
Dmitry-Me fe5dd55723 Wrong reporting function was being called 2017-10-27 22:21:18 +03:00
Dmitry-Me f653b36b87 Fix actual type reported for unsigned ptrdiff_t passed into scanf 2017-10-26 23:47:11 +03:00
Dmitry-Me 65b2755098 Extract common check and run it first 2017-10-26 23:42:38 +03:00
Björge Dijkstra 94031ef11d Fix for conditional memory allocation inside if-condition (#986)
* Add test cases for allocation inside if-condition

* Fix missed memory leak and false positive double free for allocation inside if-condition
2017-10-26 19:11:00 +02:00
Dmitry-Me a38854451f Warn for signed values passed as scanf targets with "x" conversion 2017-10-25 21:22:17 +03:00
Dmitry-Me eaa12db761 scanf with %zd expects ssize_t, not ptrdiff_t 2017-10-24 22:01:23 +03:00
Dmitry-Me eb6bf1bcae Cache and reuse value 2017-10-23 00:42:56 +03:00
Dmitry-Me 1de8f771e9 Cache and reuse value 2017-10-23 00:41:29 +03:00
Dmitry-Me 46f726c049 Cache and reuse value 2017-10-23 00:36:05 +03:00
Daniel Marjamäki 539258f7a3 Fix FP for pointer addition checker 2017-10-22 23:13:12 +02:00
Daniel Marjamäki 28cfee2d4f Fixed #8250 (New check: Pointer calculation result cant be NULL unless there is overflow) 2017-10-22 14:32:54 +02:00
Daniel Marjamäki 002f6679d5 Fix syntax error 2017-10-21 22:17:07 +02:00
Daniel Marjamäki c4c76aa1ad Use MathLib::bigint_bits 2017-10-21 22:08:34 +02:00
Daniel Marjamäki 4cb3548e2b unsafeClassDivZero: change severity to style 2017-10-21 21:51:58 +02:00
Daniel Marjamäki 5de3c43209 changed id for new checker to unsafeClassDivZero 2017-10-21 21:45:04 +02:00
Ayaz Salikhov 64e61d28ba Add an ability to use address sanitizer (#979) 2017-10-21 21:04:14 +02:00
Daniel Marjamäki 15d814e609 classPublicInterfaceDivZero: Try to make the error message a bit better. Added variable name and what the bad input value is. 2017-10-21 13:00:52 +02:00
Daniel Marjamäki 7a67bced71 classPublicInterfaceDivZero: extend bailout 2017-10-21 12:40:20 +02:00
Daniel Marjamäki 299835da2f classPublicInterfaceDivZero: don't warn in overloaded operators. It is normal behaviour that these are not protected. 2017-10-21 08:56:23 +02:00
Daniel Marjamäki 05e1e5e0a0 astyle formatting
[ci skip]
2017-10-20 22:11:12 +02:00
Daniel Marjamäki 8a7411abdb CheckClass: Fix wrong 'public interface' warnings 2017-10-20 22:10:55 +02:00
Daniel Marjamäki 819862ddcb Fix compiler errors 2017-10-20 17:38:15 +02:00
Daniel Marjamäki 1d5e3e4f0c Fixed #8247 (False positive knownConditionTrueFalse) 2017-10-20 17:31:58 +02:00
Daniel Marjamäki 86c84029e3 New check: Check public interface of classes (#8248) 2017-10-20 02:02:51 +02:00
Daniel Marjamäki afbfc914bc astyle formatting
[ci skip]
2017-10-20 01:53:20 +02:00
Dmitry-Me 5040491ee6 Size computation code not required outside this translation unit 2017-10-19 19:01:41 +03:00
Dmitry-Me 606e28a3c5 Extract and reuse size computation 2017-10-19 00:25:21 +03:00
Dmitry-Me 34a8d2431f Extract and reuse size computation 2017-10-19 00:20:04 +03:00
Dmitry-Me 8709490903 Clarify expressions with parentheses 2017-10-18 23:40:43 +03:00
Dmitry-Me e356ccca22 Revert "Clarify expression with parentheses"
This reverts commit bbf0a81c2d.
2017-10-18 23:31:44 +03:00
Dmitry-Me bbf0a81c2d Clarify expression with parentheses 2017-10-18 23:24:31 +03:00
Sign Bit aaafa72bc8 Use a 'negative cache' for tokens / enumerator checks (#980)
Checking whether a token is an enumerator in all the available scopes
is expensive.  Once we determined that a token is not an enumerator,
skip all the expensive checks.
2017-10-18 18:01:36 +02:00
Dmitry-Me 151ace2581 Use Platform for char limits computation (#972) 2017-10-18 17:30:47 +02:00
Daniel Marjamäki ad1749738e Fixed #6153 (ValueFlowBeforeCondition: Handle global variables) 2017-10-17 16:55:37 +02:00
orbitcowboy f1e5f64690 wxwidgets.cfg: Added support for wxMenu:Append(). 2017-10-17 10:59:23 +02:00
Florin Iucha 6e737082da Store the defined types in a map, for faster lookup 2017-10-17 09:00:14 +02:00
Florin Iucha cccf035535 Memoize token nature computation 2017-10-17 09:00:14 +02:00
Daniel Marjamäki 4700b75ded Clarify error message 'condition is always true/false' 2017-10-16 22:05:00 +02:00
Daniel Marjamäki 6d59290858 Fixed #10 (ValueFlow: condition variable has known value in switch case) 2017-10-16 21:51:30 +02:00
Daniel Marjamäki 0425f1d46d Fixed #8241 (FP: Same expression on both sides of operator) 2017-10-16 17:39:50 +02:00
IOBYTE 352fd7a381 SymbolDatabase: Add support for functions in unions. (#973) 2017-10-15 11:49:36 +02:00
Dmitry-Me e4de220a2d Only check pointer that can be null at that point 2017-10-14 19:09:42 +03:00
Dmitry-Me 288ee96cc7 Avoid recomputing loop range end 2017-10-14 18:57:27 +03:00
orbitcowboy db787369b9 #8243: Changed order of includes. Moved mathlib include at first place. 2017-10-14 16:30:10 +02:00
Daniel Marjamäki 1656ecd73b Revert changes I committed by mistake 2017-10-11 17:15:28 +02:00
Daniel Marjamäki cc82288ff6 Travis: Suppress false positive 2017-10-11 17:14:02 +02:00
Dmitry-Me 2d1c47b474 Omit repeated map access 2017-10-11 17:36:43 +03:00
amai2012 e4cdb51f7f #8240 Fix test error due to path handling 2017-10-11 08:45:29 +02:00
Daniel Marjamäki fbccb3ae55 Add errorpath for accessMoved message 2017-10-10 15:49:15 +02:00
Daniel Marjamäki abc3779e61 Tweaked the --check-library output so configured methods will not be shown 2017-10-10 10:18:03 +02:00
Daniel Marjamäki d3c9d06aa4 astyle formatting
[ci skip]
2017-10-08 14:16:45 +02:00
Daniel Marjamäki 9d27917fea c++98 compatibility 2017-10-08 14:16:18 +02:00
Dmitry-Me 9c0e6986da Passing string literals into printf as %p is fine 2017-10-08 11:14:10 +03:00
Ayaz Salikhov be2c65eb58 Simplify int vs bool 2017-10-08 07:54:39 +02:00
PKEuS a29b33b833 Set version to 1.81.99/1.82 dev 2017-10-07 23:22:31 +02:00
Daniel Marjamäki cebf34e718 1.81: Set versions 2017-10-07 12:55:36 +02:00
Daniel Marjamäki b1c730405f Code cleanup 2017-10-06 22:45:37 +02:00
Daniel Marjamäki a1053dd7dd --check-library: Report unconfigured scoped functions also 2017-10-06 11:27:01 +02:00
Daniel Marjamäki 2a6fbe2e3c astyle formatting
[ci skip]
2017-10-05 23:01:42 +02:00
hexcoder 051a18b120 pull request for ticket 8180 (better diagnostic output for bailouts) (#964)
* sync build instructions from readme.txt

* refactored the patch from ticket 8180. Moved logic from macros to the bailoutInternal function

* adapt to new bailout message format

* adapt to new bailout message format

* adapt to new bailout message format

* compile fix for Microsoft platform

* remove directory part from file locations in bailout message (normalize)

* remove directory part from valueflow message filter

* adapt tests to file format without directory part

* adapt tests to file format without directory part

* new line number agnostic assert_equals methods

* new line number agnostic assert_equals methods

* adapt to new method assertEqualsWithoutLineNumbers()

* adapt to new method assertEqualsWithoutLineNumbers()

* Bugfix: do not replace line number with spaces, remove it

* review changes: const char * -> std::string, size_t -> int, std::to_string() -> MathLib::toString()

* set #line at the beginning to guard against insertions from match compiler

* Bugfix: counting lines can be difficult :-) #line 1 -> #line 2

* added method stripDirectoryPart()

* added method stripDirectoryPart()

* used new method Path::stripDirectoryPart()

* new dependency path.h in lib/valueFlow.cpp

* code cleanup, removing redundant temporary objects and casts
2017-10-05 23:03:13 +02:00
Daniel Marjamäki 13c0b4131b --check-library: improved function name output 2017-10-05 21:50:24 +02:00
Alexey Eryomenko 22483baf72 missed simplification in parsing of std function declaration resulted in (#967)
wrong type detection
2017-10-03 22:10:13 +02:00
Oleksandr Redko 2bee664ec9 Return non-const object to enable move compiler optimization (#966) 2017-10-03 18:24:18 +02:00
Dmitry-Me 4601e40615 Simplify code for finding string format token 2017-10-02 18:03:55 +03:00
orbitcowboy d9ef5c5a85 Improved const correctness of local variables. 2017-10-01 14:24:37 +02:00
Daniel Marjamäki 406ddc5c10 cleanup dead code, spotted by dmitry-me! 2017-09-30 23:05:42 +02:00
Daniel Marjamäki 9ce23203cc Fix includes 2017-09-30 12:45:25 +02:00
Daniel Marjamäki 885f8452e4 reuse case insensitive string comparison function 2017-09-30 11:25:46 +02:00
Dmitry-Me 9fdfada4b5 Compute value earlier and reuse it 2017-09-28 23:41:29 +03:00
Dmitry-Me 7308901add Omit duplicate and opposite checks 2017-09-28 17:59:55 +03:00
Dmitry-Me d18e8466a9 Cache and reuse values 2017-09-27 00:51:04 +03:00
Daniel Marjamäki 04c2be33a6 Unit testing visual studio import 2017-09-24 22:57:24 +02:00
Daniel Marjamäki 30e6a05aa0 ImportProject: Macro names in visual studio solutions/projects are case insensitive 2017-09-24 22:36:20 +02:00
Daniel Marjamäki 9f306cf3aa Added C++14 option 2017-09-22 22:00:00 +02:00
Daniel Marjamäki 5993c40d5b Improve 'opposite inner condition' check 2017-09-22 14:01:20 +02:00
Daniel Marjamäki 5e618418d5 Refactoring, use early continue in loop 2017-09-21 22:53:15 +02:00
Daniel Marjamäki 411c5e5f7e Fixed #8190 (False positive constStatement - return (struct media_frames_per_second) {0};) 2017-09-21 22:50:46 +02:00
Daniel Marjamäki 89b9f57759 Fix corrupt Token::Match pattern 2017-09-21 15:01:34 +02:00
Daniel Marjamäki 71d207c034 Fixed #8226 (Tokenizer: Wrong handling of string literal u"abc") 2017-09-21 13:33:14 +02:00
Daniel Marjamäki aa38556e1c SymbolDatabase: Simplification of code. My assumption is that start and end of scope is never null. 2017-09-20 23:06:19 +02:00
Daniel Marjamäki ba8222de1c ValueFlow: Put 'inconclusive' state in the ValueKind. A value can't be both known and inconclusive. 2017-09-20 22:41:36 +02:00
Daniel Marjamäki e61222126f Fixed #8176 (ValueFlow: variable might be changed if it's passed by reference to method) 2017-09-20 22:09:09 +02:00
Daniel Marjamäki 5f4b06c0f4 isVariableChangedByFunctionCall: Fix FN when constructor argument is const reference 2017-09-20 14:03:56 +02:00
Daniel Marjamäki 3e231a9325 Refactoring: Reuse function numberOfArguments() for counting arguments 2017-09-20 13:28:45 +02:00
Daniel Marjamäki 2103726d54 Stop counting arguments properly 2017-09-20 13:00:43 +02:00
Daniel Marjamäki 4318521fc1 Fixed #8187 (isVariableChangedByFunctionCall: Constructor reference argument) 2017-09-20 12:53:25 +02:00
Daniel Marjamäki 87c35cd60e ValueFlowForward: Refactoring handling of compound assignments 2017-09-20 11:45:28 +02:00
Daniel Marjamäki 3d587d2704 Revert "Fix CID 1368511"
This reverts commit 41a79152a9.
2017-09-19 23:13:40 +02:00
Daniel Marjamäki 1a057bc23a Revert "Remove redundant safety logic (CID 1368511)"
This reverts commit d892031f28.
2017-09-19 23:13:31 +02:00
Daniel Marjamäki d892031f28 Remove redundant safety logic (CID 1368511) 2017-09-19 23:07:02 +02:00
Dmitry-Me 41a79152a9 Fix CID 1368511 2017-09-19 22:35:00 +03:00
Dmitry-Me 05d58f5c51 Unify classEnd check for scope 2017-09-19 22:13:50 +03:00
Daniel Marjamäki 840c7eb258 checkFloatToIntegerOverflow: check all calculations, not only in function bodies 2017-09-19 19:30:24 +02:00
Daniel Marjamäki 9268c2034a checkSignConversion: check all calculations, not only in function bodies 2017-09-19 19:25:33 +02:00
Daniel Marjamäki f6e30eee19 checkIntegerOverflow: handle long and long long also 2017-09-19 19:14:29 +02:00
Daniel Marjamäki cac7146cac checkIntegerOverflow: check all calculations, not only in function bodies 2017-09-19 14:43:48 +02:00
Daniel Marjamäki 6bc0df2908 checkTooBigBitwiseShift: Separate id for signed shift overflow 2017-09-19 09:21:20 +02:00
Daniel Marjamäki be0ad20a04 checkTooBigBitwiseShift: bitshift overflow when lhs is signed 2017-09-19 09:08:44 +02:00
Daniel Marjamäki 0cf551351b tooBigBitwiseShift: check all calculations, not only in function bodies 2017-09-19 08:50:19 +02:00
Dmitry-Me 696c5b8100 Reduce duplication, omit building unneeded string 2017-09-18 03:06:35 +03:00
Dmitry-Me 7d6ef71c4d More selective match pattern 2017-09-18 02:45:02 +03:00
Daniel Marjamäki 2e6d78bd08 Fixed #8184 (Syntax error: case outside switch) 2017-09-15 22:37:31 +02:00
Daniel Marjamäki 1dbcba4dd6 Fixed #8221 (ValueFlow: value for static variable that is not written) 2017-09-15 15:58:19 +02:00
Daniel Marjamäki d79762cfc3 Fixed #7449 (reademptycontainer (inconclusive) when variable changed in function ) 2017-09-15 10:49:58 +02:00
Dmitry-Me 349a28705a Clarify code with assertions 2017-09-15 01:11:27 +03:00
Dmitry-Me 0fe82335ac Remove duplicated method call 2017-09-15 00:53:44 +03:00
Dmitry-Me f28524fefa Unify variable names 2017-09-15 00:44:59 +03:00
Daniel Marjamäki ef1f3fbee6 Fixed #8173 (ValueFlow: use AST when setting values in assignment RHS ((n=42) && n=='A')) 2017-09-14 22:49:47 +02:00
Daniel Marjamäki 927b14b60f Fixed #8217 (Crash in isVariableChanged()) 2017-09-14 15:45:15 +02:00
Daniel Marjamäki bb20c0504e CheckCondition: Fix FP in daca (iqtree) 'in >> ch' 2017-09-13 22:46:36 +02:00
Daniel Marjamäki 5c7cf584ef bump simplecpp 2017-09-12 22:42:10 +02:00
Dmitry-Me 37dea8a5cf Only check the value if it wasn't surely set by previous code 2017-09-12 23:20:07 +03:00
Dmitry-Me a4c20b3606 Break loop early 2017-09-12 07:48:06 +03:00
Dmitry-Me 4126fab1d5 Simplify code with temporary 2017-09-12 07:46:38 +03:00
Dmitry-Me caebf137bc Cache and reuse value 2017-09-12 00:21:36 +03:00
Dmitry-Me 9ff04b4df1 Resolve CID 1368512
Wrong pointer was being checked
2017-09-11 23:50:42 +03:00
Dmitry-Me 988de6422e Omit repeated computations 2017-09-11 18:36:44 +03:00
Daniel Marjamäki 56544ac936 Fixed #8211 (Crash on incomplete code in isVariableChanged ()) 2017-09-11 13:45:36 +02:00
Daniel Marjamäki db321c2617 CheckCondition: Fix FP when there is increment/decrement in condition (daca icu) 2017-09-10 22:58:05 +02:00
Daniel Marjamäki c34fdd1905 CheckCondition: Fix FP for undeclared variables (daca) 2017-09-10 22:30:41 +02:00
Daniel Marjamäki b9b47809f9 Fixed #8197 (iscast: '(b)&1' is not a cast) 2017-09-08 22:52:16 +02:00
Daniel Marjamäki b81b4fcb78 Fixed #8208 (CheckCondition: Use Library to determine if function is const) 2017-09-08 18:08:32 +02:00
Daniel Marjamäki 899ad8479d CheckCondition: Fixed FP when condition contains global static variable 2017-09-08 15:44:56 +02:00
Daniel Marjamäki d9adb5432a astyle formatting
[ci skip]
2017-09-08 15:41:14 +02:00
Nekto89 9cbfa0e383 Fix #7803: false negative: condition is always true 'if (flags & A)' (#938) 2017-09-08 14:30:42 +02:00
Daniel Marjamäki 58db814d72 Rephraze /Same/Identical/ 2017-09-08 12:41:33 +02:00
Daniel Marjamäki 97125acabd Fixed #7365 (False positive: Use of erased iterator) 2017-09-08 09:45:30 +02:00
Daniel Marjamäki 57004ed533 Fixed #7663 (False positive: uninitialized variable (multi variables in inner scopes)) 2017-09-07 23:08:55 +02:00
Daniel Marjamäki 120d0f86d0 CheckCondition: Fix FP about same condition when switch case is used (daca) 2017-09-07 22:05:01 +02:00
Ayaz Salikhov 1d2b58e828 Correctify explicit usage (#951) 2017-09-07 13:03:45 +02:00
Ayaz Salikhov 64eccd780c Don't use static where not needed (#952) 2017-09-07 13:01:07 +02:00
Ayaz Salikhov f0b5327450 Fix codestyle (#953) 2017-09-07 13:00:46 +02:00
Ayaz Salikhov 0fc35c1350 Name all params (#956) 2017-09-07 12:59:53 +02:00
Daniel Marjamäki 4c30a5af25 CheckCondition: Break out code to check if function call is non-const 2017-09-06 22:51:21 +02:00
Daniel Marjamäki e0c7f7f8f2 CheckCondition: Fix FP when there are method calls in condition 2017-09-06 22:26:00 +02:00
Dmitry-Me 68f6cad2aa Omit repeated search when no insertion occurs 2017-09-06 18:02:27 +03:00
Dmitry-Me 66524ef645 Clarify code using temporary 2017-09-06 18:00:23 +03:00
Dmitry-Me 35f5515931 Fix CID 1360383 2017-09-06 00:12:09 +03:00
Matthias Krüger 58a64702b7 add "internalAstError" id so we can easily track ast errors on daca. 2017-09-05 22:49:16 +02:00
Daniel Marjamäki 35736364f8 Fixed #8199 (false negative: (warning) Same condition '...', second condition is always false) 2017-09-05 22:45:28 +02:00
Daniel Marjamäki e5e6f37e41 Fixed #7405 (false positive: (warning) Opposite conditions in nested 'if' blocks lead to a dead code block.) 2017-09-05 22:03:29 +02:00
Dmitry-Me 3127fcf429 Omit repeated computations 2017-09-05 17:56:57 +03:00
Dmitry-Me 0e444aa133 Cache and reuse values 2017-09-05 17:50:36 +03:00
Daniel Marjamäki c1000998f0 CheckCondition: Fix FP found in daca results (ace) 2017-09-05 09:33:35 +02:00
Dmitry-Me d7b91a9e92 Fix CID 1378763
Defensive check recovered from earlier version of this code
2017-09-05 00:17:51 +03:00
Dmitry-Me 7e823e6d8e Extract repeating checks, break loop early 2017-09-05 00:04:48 +03:00
Dmitry-Me 79f74fc4d3 Break loop early 2017-09-05 00:00:02 +03:00
Dmitry-Me 7c8cb29d14 Extract repeating checks 2017-09-04 23:58:14 +03:00
Daniel Marjamäki d02d235e5e Refactoring oppositeInnerCondition checking 2017-09-04 22:54:06 +02:00
Daniel Marjamäki d82805b7fe CheckCondition: Improved checking for same conditions 2017-09-04 22:40:34 +02:00
Dmitry-Me 5885988b1f Cache and reuse value 2017-09-04 23:33:52 +03:00
Dmitry-Me aece2254d7 Put faster checks first 2017-09-04 23:33:14 +03:00
Daniel Marjamäki abae5e0156 Fixed #8198 (false positive: (warning) Same condition, second condition is always false) 2017-09-04 22:25:20 +02:00
Dmitry-Me f7ab8c5ebb Drop unneeded parentheses
Those are a misleading leftover from old code
2017-09-04 22:49:05 +03:00
Dmitry-Me c29f16a306 Cache and reuse values 2017-09-04 17:55:45 +03:00
Dmitry-Me 5dba8268e7 Better variable name 2017-09-04 17:53:56 +03:00
Daniel Marjamäki d838dc2129 CheckCondition::multiCondition2: Fix FN for pointers 2017-09-04 15:58:22 +02:00
orbitcowboy 095e435031 wxwidgets.cfg: Added support for some wxTextFile functions. 2017-09-04 14:52:10 +02:00
Daniel Marjamäki 9465dca583 CheckCondition: Fix FPs for aliased variables (daca) 2017-09-04 09:34:03 +02:00
Daniel Marjamäki a02fd54a69 ValueFlow: Avoid FPs for aliased variables 2017-09-03 23:24:55 +02:00
Daniel Marjamäki ef4a7ba7f2 Fix FP in CheckCondition::multiCondition2 2017-09-03 14:46:37 +02:00
Daniel Marjamäki e5c6379d01 CheckCondition: Fix FP in Cppcheck 2017-09-03 11:35:37 +02:00
Daniel Marjamäki b9849d9e4e CheckCondition::multiCondition2: Handle loops better 2017-09-03 11:03:01 +02:00
Daniel Marjamäki 01e65d3e00 Improved CheckCondition::multiCondition2 so deeper bugs are found 2017-09-03 10:44:22 +02:00
Daniel Marjamäki f2ec5f24ce Fixed #5845 (new check: same condition after noreturn conditional code => second condition is always false) 2017-09-03 10:34:34 +02:00
Hinterwaeldlers 8aa568f085 Corrected noexcept constructor delegating handling (#948) 2017-09-02 22:54:23 +02:00
Daniel Marjamäki 1ecefa045a Fixed #8194 (False positive reademptycontainer - range based loop) 2017-09-02 22:22:32 +02:00
Daniel Marjamäki 30f04a5a96 Fixed #8195 (False positive uninitvar (regression) - valueflow misses variable initialization via istringstream >>) 2017-09-02 21:53:51 +02:00
Daniel Marjamäki 9eed9adf3c Fixed CID 1361393, logically dead code in return statement 2017-09-02 10:49:29 +02:00
Daniel Marjamäki 0b751dcc1b Opposite conditions: Better matching when outer condition uses && 2017-09-01 23:24:15 +02:00
Daniel Marjamäki 3bbcede43b Fixed #8193 (crash: A = -(-0.2) / (1.0 + B * B) ( daca, lammps)) 2017-09-01 22:15:09 +02:00
Dmitry-Me beba46987d Remove redundant variable 2017-09-01 18:19:25 +03:00
Dmitry-Me 2133350bf0 More useful default value 2017-09-01 18:17:40 +03:00
Dmitry-Me 4663dc205a Cache and reuse value 2017-09-01 18:16:08 +03:00
Daniel Marjamäki 3b4f60fd21 Updated error message 2017-09-01 13:33:47 +02:00
Daniel Marjamäki 7fad1b9a36 Improved checking for opposite conditions 2017-08-31 22:53:21 +02:00
Daniel Marjamäki dce942197c Fixed #8186 (Inner condition always false inside for loop) 2017-08-31 16:00:12 +02:00
Dmitry-Me d598a1c278 Fix typo causing two expressions being identical 2017-08-30 22:43:54 +03:00
Daniel Marjamäki 82527422a8 Fixed #5614 (Incorrect syntax error with function pointer typedef and dependent template types) 2017-08-30 19:18:05 +02:00
Daniel Marjamäki 59034e17f1 Refactoring, reuse code to skip lambda functions 2017-08-29 22:35:55 +02:00
Daniel Marjamäki 9c99bc43c2 ValueFlow: Skip wrong handling of lambda functions. TODO: handle lambda functions properly. 2017-08-28 22:39:12 +02:00
Dmitry-Me 017e72d145 Read attribute once, better variable name 2017-08-28 19:11:04 +03:00
Dmitry-Me 7bd3dc5da6 Simplify array access with references 2017-08-28 18:19:03 +03:00
Dmitry-Me 7d19d1ea2e Better use of temporary 2017-08-28 18:15:15 +03:00
Dmitry-Me cf6d3ba398 Omit unneeded computations 2017-08-28 18:10:49 +03:00
Daniel Marjamäki 02a1b7cd2d Fixed #7965 (valueFlowForward: Improved handling of correlated variables) 2017-08-27 19:50:44 +02:00
Daniel Marjamäki 713f607168 Fixed #8156 (wrong ast for 'z = (x & (unsigned)1) | (y & (unsigned)2);') 2017-08-26 23:25:45 +02:00
Daniel Marjamäki e74e4c6934 Fixed #8030 (False positive 'constStatement' when indexing with {}) 2017-08-26 11:59:09 +02:00
Dmitry-Me cc97834e88 Revert "Combine overlapping patterns"
This reverts commit 123f9b67e0.
2017-08-26 08:18:24 +03:00
Dmitry-Me 123f9b67e0 Combine overlapping patterns 2017-08-26 07:32:02 +03:00
Dmitry-Me b9c2a996bf Break loop early 2017-08-26 07:26:28 +03:00
Daniel Marjamäki 46c6620691 Token::takeData: dont keep old values or valuetype 2017-08-25 23:32:26 +02:00
Daniel Marjamäki ea0db18e0c Refactor Token::deleteThis() 2017-08-25 23:30:04 +02:00
Daniel Marjamäki 529b255e99 ValueFlow: Better errorpath for increment/decrement 2017-08-25 23:07:26 +02:00
Daniel Marjamäki b1b8e5270a ValueFlow: Better errorpath for increment/decrement 2017-08-25 22:15:52 +02:00
Heiko Eißfeldt bab2b26d10 Fixed #8154 (heap use after free in tokenlist) 2017-08-25 17:17:19 +02:00
Daniel Marjamäki 50636f75ba ValueFlow: Improved error path for compound assignments 2017-08-24 22:02:49 +02:00
Dmitry-Me 61e290750e Read attribute once, better variable name 2017-08-24 18:28:52 +03:00
Dmitry-Me 3bcfc33014 Break loop early 2017-08-24 18:26:53 +03:00
Dmitry-Me 45996b1404 Simplify code, read attribute once 2017-08-24 18:23:44 +03:00
Dmitry-Me eba9ea0ed0 Remove redundant check 2017-08-24 18:11:54 +03:00
Dmitry-Me 2582bbd0f6 Break loop early 2017-08-24 18:10:33 +03:00
Daniel Marjamäki d160d27417 Fixed #8172 (False positive uninitvar on sizeof *ptr) 2017-08-23 22:17:49 +02:00
Daniel Marjamäki f10634c021 ValueFlow: Dont try to evaluate '/=0;' 2017-08-23 17:53:05 +02:00
Dmitry-Me 7fba6ecef1 Remove and disallow unused copy constructor 2017-08-23 17:54:20 +03:00
Daniel Marjamäki 167cfb1ac5 valueFlowForward: improve handling of compound assignments 2017-08-23 11:13:47 +02:00
Daniel Marjamäki 71b0370389 Fixed #1793 (CheckType::checkFloatToIntegerOverflow: assignments) 2017-08-23 05:34:47 +02:00
Daniel Marjamäki b7f9e7ed1d negativeContainerIndex: avoid crash when AST is wrong 2017-08-22 12:30:43 +02:00
Daniel Marjamäki 2679b576c2 Fixed #1693 (false negative: std::vector, negative index) 2017-08-22 11:04:02 +02:00
Alexander Mai 0cae823c5d Fix doxygen comments 2017-08-21 21:13:01 +02:00
Daniel Marjamäki e087156e30 CheckUninitVar: Try to activate the valueflow based checking again 2017-08-20 19:54:06 +02:00
Daniel Marjamäki 3abb62a6d1 Fixed #8036 (valueFlowUninit: strcpy(buf, e = str), free(e);) 2017-08-20 19:47:26 +02:00
Daniel Marjamäki 92e9744020 Fixed #8148 (Tokenizer: Braces are not added properly in do while) 2017-08-16 18:55:34 +02:00
Dmitry-Me 2a4f68ccf8 Resolve CID 1365361
* work around possible null pointer dereference in case of missing attributes
2017-08-16 17:53:04 +03:00
Martin Güthle 1d491bd332 Treat noexcept correctly
Converts the noexcept to the already correctly handled noexcept(true)
2017-08-16 11:31:19 +02:00
Daniel Marjamäki 5c733c8f22 Fixed #8152 (Garbage code cause crash '0|\0|0>;') 2017-08-15 23:19:42 +02:00
Hinterwaeldlers 705e5e3468 Fix for http://trac.cppcheck.net/ticket/8151 (#942)
* Taking care of incorrect template syntax (missing close)

Forward the incorrectness via throw, as there is no direct access to the
syntaxError method, without converting the function to a member function
2017-08-15 22:40:55 +02:00
Dmitry-Me 6303437163 Resolve C4800 2017-08-15 17:42:56 +03:00
Dmitry-Me d3d9c76f01 Fix off by one, resolve C4334 2017-08-14 18:07:36 +03:00
Dmitry-Me b995e59ff2 No need for counting here 2017-08-14 18:06:23 +03:00
Daniel Marjamäki ca6109b40c threadsafety: Fix static data in Token::values() 2017-08-13 14:15:24 +02:00
Daniel Marjamäki fb37f3503a Fix GCC compiler warning about missing enum constant PlatformFile in switch 2017-08-12 00:17:55 +02:00
Dmitry-Me 45032f7d3b Use std mechanism to detect signedness 2017-08-11 18:44:14 +03:00
Gennady Feldman 1c71c789d6 Stop parsing a define with value at the '='. (#937) 2017-08-09 20:02:25 +02:00
Ayaz Salikhov b8cd7dbb5c Use nullptr instead of 0 or NULL (#936) 2017-08-09 20:00:26 +02:00
orbitcowboy 61e47208eb Removed hard coded avr8 platform and moved it into a platform file (avr8.xml). 2017-08-09 11:58:27 +02:00
Daniel Marjamäki 7a9d4b820f Fixed #8158 (Custom platform configuration seems to be not used) 2017-08-09 11:06:31 +02:00
Daniel Marjamäki c0890b5255 ImportProject: Improve cppcheckDefines() 2017-08-08 22:57:11 +02:00
Daniel Marjamäki 9861240e79 ImportProject: Only expose Cppcheck Visual Studio defines for Cppcheck 2017-08-08 22:27:08 +02:00
Nekto89 729af993fe Fix absolute pathes import from vcxproj (#934)
Fixed importing vcxproj that contains files with absolute pathes.
2017-08-07 23:51:12 +02:00
Daniel Marjamäki 5fa7a4edc4 GUI: save dumpfiles in buildDir if possible 2017-08-03 22:54:38 +02:00
Daniel Marjamäki 53002e40f6 Fix ImportProject 2017-08-03 20:38:24 +02:00
Daniel Marjamäki ccea0b17b3 ImportProject: Read system includes and standard from compile database 2017-08-03 20:33:56 +02:00
Daniel Marjamäki 61eccd7070 Fix dump 2017-08-03 18:03:59 +02:00
Daniel Marjamäki 4eb43a5557 Fixed some recent regression in ImportProject for vcxproj projects 2017-08-02 22:51:22 +02:00
Veli-Matti Visuri da3846f752 Add Timer copy constructor (#932)
- Satisfy the rule of three
2017-08-02 22:34:28 +02:00
amai2012 39955973e9 Merge pull request #931 from IOBYTE/master
Fixed #8142 (false positive: The class 'B' has 'copy constructor' but lack of 'operator='
2017-08-02 21:16:29 +02:00
Daniel Marjamäki f7514fcd2c Fix issue detected by Coverity, dereference tok3 and then check if its null. 2017-08-02 08:38:36 +02:00
Daniel Marjamäki e977cea04c Fix issue detected by Coverity, either null pointer check is useless or there is null pointer dereference 2017-08-02 08:24:16 +02:00
Daniel Marjamäki 32422c815b Fix issue found by Coverity, scope cant be null since scope is dereferenced on all paths before the while and also unconditionally inside while 2017-08-02 08:17:29 +02:00
Daniel Marjamäki 462ae455c8 Fix issue detected by Coverity, missing check if _settings is null 2017-08-02 08:04:35 +02:00
Daniel Marjamäki 60f819dbe7 Refactoring, use continue in loop 2017-08-02 08:00:52 +02:00
Daniel Marjamäki 5abf39503a Fix issue detected by Coverity, in case solution does not specify platform configuration the platform will be uninitialized 2017-08-02 07:59:25 +02:00
Daniel Marjamäki 05cdda3f4c Fix issue detected by Coverity, XMLElement::Attribute might return null 2017-08-02 07:56:22 +02:00
Daniel Marjamäki 55aec0ef1b Fix issue detected by Coverity, vt2 is null checked and then dereferenced 2017-08-02 07:48:11 +02:00
Robert Reif f5044bb65f Fixed #8142 (false positive: The class 'B' has 'copy constructor' but lack of 'operator='.)
Do not count static member variables when trying to figure out if
'operator =' is needed.
2017-08-01 19:52:41 -04:00
Matthias Krüger 9b6d371762 checkbufferoverrun: remove dead store
the variable was declared inside a loop and the dead store also took place inside the loop (guarded by a condition) without further access of the value after that store.
Found by clang analyzer.

Was:

lib/checkbufferoverrun.cpp:1223:17: warning: Value stored to 'tok' is never read
                tok = tok->next();
                ^     ~~~~~~~~~~~
2017-08-01 16:53:00 +02:00