Commit Graph

1522 Commits

Author SHA1 Message Date
Daniel Marjamäki 6427b4888b constPointer: Fix false positives when pointer is not read 2022-02-12 22:23:25 +01:00
chrchr-github c5ab936088
Fix #10405 FN shadowVariable in range-based for loop (#3789) 2022-02-12 08:10:53 +01:00
Oliver Stöneberg 6e57cc4323
small utils.h cleanup (#3821) 2022-02-11 19:44:08 +01:00
chrchr-github 5f3ddabd56
Fix FP constParameter with std::map (#3823) 2022-02-11 19:40:11 +01:00
Julien Marrec 2535bf984b
Allow passing std::string_view by value (#3817) 2022-02-10 21:01:12 +01:00
chrchr-github cd7532df21
Fix #7709 FN C-style pointer casting with built-in or typedef types /… (#3814) 2022-02-10 20:48:51 +01:00
chrchr-github e64ea20089
Fix #10527 FP variableScope for if with init-statement (#3811) 2022-02-08 16:12:09 +01:00
Daniel Marjamäki 3989408738 Update copyright year 2022-02-05 11:45:17 +01:00
Oliver Stöneberg 8f7770f512
added an include-what-you-use GitHub Action (#3759) 2022-02-01 17:19:19 +01:00
chrchr-github 0807924d32
Fix FP passedByValue for unions / FN passedByValue for array members (#3784) 2022-02-01 17:17:08 +01:00
Daniel Marjamäki 637aca8d59 Fixed #10752 (False positive: shadow variable in static method) 2022-01-28 16:03:06 +01:00
Oliver Stöneberg 171da2e6f9
avoid dependency on transitive includes - based on include-what-you-use (#3757) 2022-01-27 19:03:20 +01:00
chrchr-github 158f3d494e
Fix #10143 false positive: redundantInitialization with std::shared_ptr (#3746) 2022-01-24 21:50:50 +01:00
chrchr-github cb5a50c6a7
Fix #10710 FN passedByValue with QString (#3696) 2022-01-18 20:17:05 +01:00
chrchr-github e8260f2dcc
Improve fix for #9570: check if ternary operator is used in assignment to reference (#3614) 2021-12-16 22:32:15 +01:00
Daniel Marjamäki c7ef602cd6 Fixed #9759 (False positive: constParameter on parameter used by non-const call via pointer to member function) 2021-11-21 20:03:38 +01:00
Daniel Marjamäki 921f5c1818 Fixed #10547 (False positive: constVariable, buffer written by stream read) 2021-10-18 19:38:53 +02:00
Daniel Marjamäki 6234e9ddda Fixed #10483 (FP constParameter with array member and memcpy) 2021-09-15 21:25:16 +02:00
chrchr-github 05acc13582
Shadow variables, const, rename function (#3456) 2021-09-15 20:28:58 +02:00
Daniel Marjamäki e95395e5f0 Fixed #10397 (FP constParameter - implementing an interface) 2021-08-10 15:37:59 +02:00
Paul Fultz II 7f358b2bed
Format with uncrustify (#3388) 2021-08-07 20:51:18 +02:00
Paul Fultz II 41c94b656a
Fix FP const pointer with class variable and add more tests (#3345) 2021-07-21 07:36:13 +02:00
Daniel Marjamäki fb5ab5e439 constPointer; Improved checking dereferenced pointer is used in calculation/comparison 2021-07-20 10:38:38 +02:00
Daniel Marjamäki 4d23c02320 constPointer; Improved checking when pointer is not dereferenced 2021-07-20 10:28:35 +02:00
Daniel Marjamäki eb9a251a4c const variables/parameters; Improved check to handle pointers also (misra 8.13) 2021-07-18 10:59:52 +02:00
orbitcowboy 0d96772304 Running astyle [ci skip] 2021-07-09 16:32:19 +02:00
Daniel Marjamäki 86f1acc223 overlapping data; use the size value given by size-arg 2021-07-09 13:43:29 +02:00
Daniel Marjamäki ce58748690 library: add attribute strlen-arg for <not-overlapping-data> 2021-07-09 13:25:01 +02:00
Daniel Marjamäki 6234b5438e New check: Writing overlapping data, detect undefined behavior 2021-07-05 22:07:41 +02:00
Daniel Marjamäki 1783fd1bba duplicateBreak; Allow extra return that clarifies for tool(s) that function does not continue 2021-06-29 11:17:12 +02:00
Daniel Marjamäki 9769afe434 knownConditionTrueFalse; avoid several warnings when nonzero expression is compared to see if it is positive or negative 2021-06-25 16:25:25 +02:00
Daniel Marjamäki 87554bed7a Redundant pointer op; Fixed false positives when macro is used 2021-05-22 14:18:29 +02:00
Daniel Marjamäki 32b28d568f Refactoring; Check structured binding in isVariableChanged() 2021-05-08 20:46:46 +02:00
Daniel Marjamäki a197e94573 Fixed #10266 (False positive; parameter can be const) 2021-05-08 13:40:52 +02:00
Daniel Marjamäki 07c1f28035 astyle formatting 2021-05-01 07:35:03 +02:00
Paul Fultz II 31e3e4d87b
Fix issue 10086: false positive: (style) constVariable: Variable 'x' can be declared with const (#3219) 2021-04-30 17:47:08 +02:00
Daniel Marjamäki d2d2124238 Revert "Clang import; This experimental feature didn't "take off" much. After a lot of work we are still far fram the goal. I remove it now but don't rule out completely that it could ever be added again."
This reverts commit 207361b174.
2021-04-30 16:47:02 +02:00
Daniel Marjamäki 207361b174 Clang import; This experimental feature didn't "take off" much. After a lot of work we are still far fram the goal. I remove it now but don't rule out completely that it could ever be added again. 2021-04-21 18:59:48 +02:00
Daniel Marjamäki cf8a423636 Unreachable code; better handling of throw in C code 2021-04-05 04:53:07 +02:00
Daniel Marjamäki 084bc74080 Fixed #8223 (false negative: Statements following return, break, continue, goto or throw will never be executed.) 2021-04-04 19:43:51 +02:00
Oliver Stöneberg 6397e29f84
cleaned up includes based on include-what-you-use (#3141) 2021-04-03 21:30:50 +02:00
Daniel Marjamäki 42437277dc Update Copyright year 2021-03-21 20:58:32 +01:00
PKEuS 141d2ac215 Refactorization: Improved internal implementation of severity and certainty levels
Backported from LCppC.
2021-02-24 22:00:06 +01:00
PKEuS c25b4f1ad6 Fixed false negatives incompleteArrayFill on user defined types (estimate size to determine if it is larger than one byte)
Merged from LCppC.
2021-02-24 21:48:26 +01:00
Oliver Stöneberg 96704c9971
fixed and enabled some more clang-tidy warnings (#3007) 2021-01-05 17:51:32 +01:00
Daniel Marjamäki 8bd783f820 Refactoring; Added findBreakScope and Scope::isLoopScope() 2020-12-24 22:58:31 +01:00
Daniel Marjamäki 809cec2b58 Fix crashes when Variable::valueType is nullptr, this can happen when decltype(unknown type) is used. 2020-11-27 12:07:15 +01:00
Paul Fultz II 4a8a78a925
Fix issue 10002: False positive: constParameter with reference to pointer (#2918) 2020-11-22 08:47:24 +01:00
Daniel Marjamäki 6236beeb3f Fixed #9950 (Wrong severity for redundantAssignInSwitch) 2020-11-15 13:09:28 +01:00
fwingerter-Ocient d7473cab8c
Handle static_assert if standard is at least C++11 (#2842)
Previously it was being handled only if the standard was *exactly* C++11.
2020-11-10 18:22:08 +01:00
Oliver Stöneberg 488813d00f
added validateCFG and checkcfg targets to CMake / some refactorings (#2687) 2020-11-02 20:16:15 +01:00
Daniel Marjamäki f1ce5a9101 Fixed #9929 (False positive: suspicious semicolon after macro) 2020-10-09 20:34:20 +02:00
Daniel Marjamäki a39e5835d4 Fixed #9925 (False positive: Redundant pointer operation in macro) 2020-09-29 18:27:07 +02:00
Daniel Marjamäki 67b1698752 daca: suppress variableScope warnings in C code as that is usually suppressed in real world. It should make the daca output more relevant. 2020-09-29 17:20:19 +02:00
Daniel Marjamäki bf3833dad5 Avoid constStatement false positives for 'foo() || x=5'. Found in daca@home. 2020-09-29 13:35:39 +02:00
Daniel Marjamäki 31c800e19e Fixed false positive: suspicious operator ',' seen in daca@home 2020-09-29 11:32:48 +02:00
Daniel Marjamäki d901edd4af Avoid clarifyCalculation warning for 'x % 16 ? 1 : 0' expression. Fixes FP seen in daca@home. It seems likely that the order is understood otherwise the ternary calculation could easily be simplified away. 2020-09-29 08:39:21 +02:00
Daniel Marjamäki e32ccb591b Fixed clarifyCalculation fp for 'a % b ? "a" : "b"'. seen in daca@home. 2020-09-29 08:29:23 +02:00
Daniel Marjamäki 8395522390 Fixed #9919 (False positive: clarifyCalculation for code: flags & ZRL_EOL_NUL ? '\0' : '\n') 2020-09-28 19:18:34 +02:00
Daniel Marjamäki 3b39433e21 Fixed Cppcheck warnings 2020-09-26 22:30:59 +02:00
Daniel Marjamäki 5578b09452 More fixing for #9914. New warning id and warning message when variable expression is explicitly hidden. 2020-09-26 13:49:47 +02:00
Daniel Marjamäki 05b0a0f970 Make duplicateAssignExpression warnings inconclusive for 'x&&false' etc. (#9914) 2020-09-26 10:50:58 +02:00
Paul Fultz II 887b40e08b
Fix issue 9916: False positive: duplicateAssignExpression when it's checked if variables have initial value later (#2825) 2020-09-26 10:31:40 +02:00
Daniel Marjamäki 5856fef83b Fixed #9914 (False positive: knownArgument for 'x && false') 2020-09-25 20:27:16 +02:00
Daniel Marjamäki bbd3a992b8 Fix output when note contains 2020-09-25 19:04:22 +02:00
Daniel Marjamäki 485153c930 Limit variableScope check. Do not check C code if all local variables are declared at function level. 2020-09-25 08:34:47 +02:00
Daniel Marjamäki 801cc8d331 Fixed knownArgument false positive for pointer 2020-09-24 19:48:20 +02:00
Daniel Marjamäki c08e1a9a94 Fix knownArgument false positive when sizeof is used 2020-09-24 19:43:39 +02:00
Daniel Marjamäki 514b7f4da4 Fixed #9906 (False positive: constParameter (function pointer)) 2020-09-23 22:10:47 +02:00
Daniel Marjamäki 107ee57e7a Fixed #9909 (False positive: knownArgument for calculation 'self->maxsize * sizeof(intptr_t)') 2020-09-21 20:02:55 +02:00
Oliver Stöneberg 7189b303ae
fixed some modernize-loop-convert clang-tidy warnings (#2815) 2020-09-21 19:30:47 +02:00
Daniel Marjamäki 730b95331e Fixed #9905 (False positive: known argument 'header.length()') 2020-09-20 20:17:10 +02:00
Daniel Marjamäki 687b44dbb7 Token: add flag for splitted variable declaration with initialization 2020-09-09 16:22:47 +02:00
Daniel Marjamäki 1daf1ec108 Fixed #9875 (Crash) 2020-09-04 19:15:48 +02:00
Daniel Marjamäki efa113db55 Refactoring; do not use pointless lambda 2020-09-03 18:58:25 +02:00
Daniel Marjamäki 5acd6fcdc8 astyle formatting 2020-09-03 18:55:40 +02:00
shaneasd 08ea6435ac
fix false positives in constParameter (#2758) 2020-09-03 18:44:44 +02:00
Kamil Dudka 33fb0e782e
enable moduloofone reports only with --enable=style (#2747)
... because it is reported with Severity::style
2020-08-21 20:43:03 +02:00
Daniel Marjamäki 7a85b8e452 Do not ask that calculation is clarified when different order would be invalid 2020-08-05 13:20:18 +02:00
Ken-Patrick Lehrmann 61ccf888b3 Fix some false positives when the same expression at different places does not have the same value
Typically with
```
int F(int *f);
void F2(int *a, int *b) {
  int c = *a;
  F(a); // modifies *a
  if (b && c != *a) {}
}
```
we would get the following FP:
```
[test.cpp:3] -> [test.cpp:5]: (style) The comparison 'c != *a' is always false because 'c' and '*a' represent the same value.\n
```

I guess it boils down to isSameExpression only checking that the
expression is the same (in the above case, "*a" and "*a" are indeed the
same), but there's not real check on the values.
So the patch here is a bit hackish, and we still have false negatives in
cases with dereferenced pointers.
2020-07-11 14:13:18 +02:00
Daniel Marjamäki d2b2bae7bf Fixed #7733 (False positive: scope of the variable can be reduced (variable is used in hidden code)) 2020-07-01 08:24:52 +02:00
Daniel Marjamäki ddd21a260f Fixed #6978 (False positive: unusedLabel shown for labels that are used in some preprocessor configurations) 2020-06-30 18:26:24 +02:00
Daniel Marjamäki 0352a5d32f astyle formatting
[ci skip]
2020-06-27 07:34:48 +02:00
Paul cf475fab51 Fix issue 9778: False positive: constParameter when returning non-const reference cast 2020-06-26 15:47:59 -05:00
Daniel Marjamäki 693b24d30a Fix testrunner 2020-06-22 14:31:34 +02:00
Daniel Marjamäki eeda0442fa astyle formatting
[ci skip]
2020-06-01 08:59:34 +02:00
Paul Fultz II eb4754b7d9
Fix issue 9587: False positive: parameter can be declared with const (#2667) 2020-05-31 10:10:10 +02:00
Oliver Stöneberg 4f68d85633
optimized non-matchcompiled Token::simpleMatch() a bit (#2640) 2020-05-26 20:13:56 +02:00
Oliver Stöneberg 37bc0483a4
made check.h less heavy (#2633) 2020-05-23 07:16:49 +02:00
Daniel Marjamäki c86cfdaa50 Fixed #9736 (False positive: knownArgument in assert calls) 2020-05-22 11:49:28 +02:00
miltolstoy a9d8b3495d
feat: add modulo of one check (#9528) (#2650) 2020-05-20 23:01:32 +02:00
Daniel Marjamäki 08ddd84780 Update copyright year 2020-05-10 11:16:32 +02:00
Daniel Marjamäki 3e0218299b Revert "Update copyright year"
This reverts commit 6eec6c4bd5.
2020-05-10 11:13:05 +02:00
Daniel Marjamäki 6eec6c4bd5 Update copyright year 2020-05-10 11:11:34 +02:00
Paul Fultz II d88557bc18
Rename constArgument to knownArgument (#2616) 2020-04-22 09:13:35 +02:00
Daniel Marjamäki da6e0308c5 Fixed #9195 (False positive: shadowFunction when constructor is shadowed) 2020-04-20 18:02:10 +02:00
Oliver Stöneberg 2c1e36e63e
cleaned up includes based on include-what-you-use (#2600)
* cleaned up includes based on include-what-you-use

* check.h: trying to work around Visual Studio 2012 bug

* fixed Visual Studio compilation
2020-04-13 13:44:48 +02:00
Daniel Marjamäki 320cb9008f minor tweaks of knownConditionTrueFalse 2020-02-15 20:21:13 +01:00
Rikard Falkeborn b1c6f2946a
Fix redundant FP assignment with unsigned zero (#2521)
* Refactor isNullOperand out of FwdAnalysis

* Improve isNullOperand

* Fix redundantAssignment FP with unsigned zero

* isNullValue check number

* Enhance isNullOperand to handle c++ casts

Also handle cast of NULL.
2020-02-09 11:16:08 +01:00
Daniel Marjamäki b6833b525f Clang import 2020-01-25 17:01:17 +01:00