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1257 Commits

Author SHA1 Message Date
Paul Fultz II 32d96104d6
Fix 6370: ValueFlow: array element with known value (#4447) 
* Fix 6370: ValueFlow: array element with known value

* Format

* Move comment
 2022-09-07 19:16:07 +02:00
Paul Fultz II 6543b429c5
Fix 11285: FN: zerodiv (#4448) 
* Fix 11285: FN: zerodiv

* Format
 2022-09-07 19:15:37 +02:00
chrchr-github 6960332f8a
Fix #11294 FP arrayIndexOutOfBoundsCond with extra parentheses (#4442) 2022-09-06 21:21:06 +02:00
Paul Fultz II 2d37a77281
Fix 11296: FN: knownConditionTrueFalse ( a !=0 && b != 0 && a == 0) (#4444) 2022-09-06 07:31:48 +02:00
Paul Fultz II 6ce5c24f21
Refactor knownConditionTrueFalse check and isUsedAsBool function (#4432) 
* Refactor knownConditionTrueFalse check and isUsedAsBool function

* Format1

* Format

* Skip assign
 2022-09-04 10:24:45 +02:00
chrchr-github 456c6b410e
Fix #2304 FN known strcpy parameter (#4396) 
* Fix #2304 FN known strcpy parameter

* Parentheses

* Format
 2022-08-24 21:23:45 +02:00
Oliver Stöneberg 0e1cd8b2ac
do not do C++ processing for C code in `parsedecl()` (#4304) 2022-08-21 17:11:22 +02:00
Oliver Stöneberg d73a33d17e
avoid redundant `Token::declEndToken()` calls (#4363) 2022-08-20 20:50:14 +02:00
Oliver Stöneberg 16f598c409
added missing `sstream` includes (#4381) 2022-08-19 10:16:23 +02:00
chrchr-github 6a0c254d1f
Fix #9931 FP zerodiv (daca@home) (#4379) 
* Fix #9931 FP zerodiv (daca@home)

* Format

* Parentheses

* clang-tidy
 2022-08-18 20:38:36 +02:00
Oliver Stöneberg 98b9f2cbf1
reduced scope of some variables and avoided some copies (#4328) 2022-08-16 22:28:39 +02:00
Paul Fultz II bfd9470600
Fix 11158: FP zerodiv in loop (#4356) 
* Fix 11158: FP zerodiv in loop

* Format

* Add another test

* Format

* Fix FP

* Format
 2022-08-13 08:27:20 +02:00
Paul Fultz II c0f55a2b85
Fix 11142: FP nullPointer before assignment (#4319) 
* Fix 11142: FP nullPointer before assignment

* Format

* Use simpleMatch
 2022-08-03 19:05:07 +02:00
Oliver Stöneberg efaaa58896
fixed some `modernize-use-emplace` false negatives and some `bugprone-assignment-in-if-condition` warnings (#4311) 2022-07-28 22:53:59 +02:00
Oliver Stöneberg b65b47d3a8
enabled and fixed `modernize-pass-by-value` clang-tidy warnings (#4169) 2022-07-28 22:51:45 +02:00
chrchr-github c340b6ae6c
Fix #11191 FP moduloofone with pow() (#4312) 2022-07-28 22:11:23 +02:00
Oliver Stöneberg 0005be1dbf
some cleanups (#4308) 2022-07-26 08:28:55 +02:00
Oliver Stöneberg b2f15fdbb1
reduced padding in some classes/structs (#4295) 2022-07-24 10:17:11 +02:00
chrchr-github 5342e2cd03
Fix #11037 FP knownConditionTrueFalse with dynamic_cast (#4297) 2022-07-20 20:48:17 +02:00
Oliver Stöneberg 4316884123
valueflow.cpp: avoid some copies related to `ErrorPath` (#4160) 2022-07-20 10:57:49 +02:00
chrchr-github 9e74da6126
Fix #11098 FP compare with negated constant (#4282) 2022-07-16 07:28:15 +02:00
Armin Müller 0ae9877766
Typos found by running "codespell" (#4260) 2022-07-10 22:40:05 +02:00
chrchr-github f5c4a21eae
Fix #10704 FN redundantCopyLocalConst (#4115) 2022-07-10 11:33:24 +02:00
Paul Fultz II edebe746bc
Fix 10361: false negative: uninitvar (std::next(iterator)) (#4256) 2022-07-09 07:39:04 +02:00
Paul Fultz II 0b63e7273d
Fix 11162: FP: knownConditionTrueFalse (#4254) 
* Fix 11162: FP: knownConditionTrueFalse

* Format
 2022-07-09 00:57:25 +02:00
Daniel Marjamäki 29402b4d1a Fix Coverity CID1490221 warning. settings is dereferenced and then checked. 2022-07-05 07:46:39 +02:00
Paul Fultz II e735376f7d
Refactor to use AST for isContainerSizeChanged (#4222) 2022-06-19 08:17:05 +02:00
Paul Fultz II e6fdcb9de2
Refactor to use derefShared (#4220) 2022-06-19 08:16:27 +02:00
Paul Fultz II 3e09503561
Fix 11087: false negative: usage of reference to member of temporary object not detected (#4217) 
* Fix 11087: false negative: usage of reference to member of temporary object not detected

* Format

* Add another test case

* Fix FP with pointer

* Format
 2022-06-16 19:26:36 +02:00
Paul Fultz II 9cecc8468e
Fix 10570: Improve check; condition then pointer dereference, different pointers (#4216) 
* Try to use after assign in loop

* Update valueflow forward to handle init tokens

* Fix tests

* Make test TODO

* Format

* Add tests

* Format

* Fix ubsan error

* Use simpleMatch
 2022-06-16 19:26:23 +02:00
Paul Fultz II de51ebbcf4
Fix 9135: Access of moved variable not detected in loop (#4215) 
* Fix 9135: Access of moved variable not detected in loop

* Format

* Fix issue with pushing back on container

* Format

* Fix null pointer

* Remove yeild for now
 2022-06-16 17:40:09 +02:00
Paul Fultz II d4fb5652c0
Fix 10619: Valueflow: Library function in subfunction does not propagate all values (#4209) 2022-06-12 07:17:28 +02:00
Paul Fultz II cee48e5e19
Add backtrace to valueflow in debug mode (#4195) 2022-06-12 07:13:42 +02:00
Paul Fultz II 653a1ea83e
Fix 11100: FP knownConditionTrueFalse with getter/setter member functions (#4198) 
* Fix 11100: FP knownConditionTrueFalse with getter/setter member functions

* Format
 2022-06-11 11:00:40 +02:00
PKEuS 99ce89c003
Improvement: Set varId for variables with global scope operator :: Refactorization: Moved internal class from tokenize.h to tokenize.cpp (#4184) 
Merged from LCppC.
 2022-06-11 08:11:16 +02:00
Paul Fultz II c9b85010f9
Fix 11096: FP knownConditionTrueFalse in do while loop (#4192) 
* Check for loop

* Improve handling of exit values

* Add more checks to test

* Simplify

* Remove unnecessary test

* Fix typo

* Format

* Use simpleMatch
 2022-06-10 20:42:02 +02:00
PKEuS 1275b5275e
LCppC backport: Various optimizations (#4182) 
* Optimization: Use Token::eIncDecOp instead of expensive Token::Match calls

Merged from LCppC.

* Small Optimizations: - Moved a std::set that is only need during initialization of SymbolDatabase to function scope - Use std::vector instead of std::list

Merged from LCppC.

* Optimization: Refactorized various Token::Match calls and surrounding conditions

Merged from LCppC.

* Refactorization: Cleanup usage of std::multimap

Merged from LCppC.
 2022-06-08 16:58:57 +02:00
Oliver Stöneberg ce945ec7fc
enabled and fixed `modernize-use-override` clang-tidy warnings (#4168) 2022-06-03 21:32:39 +02:00
Paul Fultz II 72342de0da
Fix 11114: FP knownConditionTrueFalse across functions (#4163) 
* Fix 11114: FP knownConditionTrueFalse across functions

* Format
 2022-06-02 23:24:11 +02:00
Paul Fultz II e430a11b49
Add debug_valueflow instrinsic to show valueflow values and its error path (#4159) 
* Add debug_valueflow instrinsic to show valueflow values and its error path

* Format
 2022-06-01 06:53:21 +02:00
Paul Fultz II d7c914bd3e
Handle subfunction values in valueflow conditions (#4128) 2022-05-29 19:57:10 +02:00
Paul Fultz II 7405ea039d
Refactor valueflow forward and reverse functions and unify them (#4127) 
* Move functions around

* Make it a template to handle both overloads

* Simplify forward

* Remove container forward

* Remove unused settings params

* Format

* Remove valueFlowForwardExpression

* Format

* Remove init list

* Make const ref

* Remove braces

* Remove braces
 2022-05-24 06:41:17 +02:00
Paul Fultz II 5999b35130
Fix 10944: FN: knownConditionTrueFalse (#4124) 
* Fix 10944: FN: knownConditionTrueFalse

* Use or

* Format
 2022-05-23 23:22:08 +02:00
Paul Fultz II 90e6c10c12
Fix 11072: FP arrayIndexOutOfBounds, nullPointer with nested loops (#4113) 
* Fix 11072: FP arrayIndexOutOfBounds, nullPointer with nested loops

* Format

* Remove print statement
 2022-05-18 08:29:30 +02:00
Oliver Stöneberg 14421ae627
fail `run-clang-tidy` in case of compiler warnings / fixed Clang warnings / cleanups (#4036) 2022-05-15 12:42:29 +02:00
Paul Fultz II fbba72ab5a
Fix 11057: FP danglingTemporaryLifetime with reference member (#4103) 
* Fix 11057: FP danglingTemporaryLifetime with reference member

* Add test

* Format

* Use ast for number of arguments

* Get number of arguments using ast

* Skip aggregate constructor when there are too many arguments

* Format
 2022-05-13 06:51:07 +02:00
Oliver Stöneberg c71033548f
fixed some clang-tidy warnings (#3080) 2022-05-08 20:42:06 +02:00
Paul Fultz II 843f7893d6
Fix 11040: FP nullPointer after loop (#4085) 2022-05-05 06:55:02 +02:00
Paul Fultz II 5afd6880c3
Fix 11028: False positive: invalidContainer (#4083) 
* Fix 11028: False positive: invalidContainer

* Format
 2022-05-05 06:54:36 +02:00
Paul Fultz II 496b45f27b
Fix 11009: FP uninitvar (#4076) 
* Fix 11009: FP uninitvar

* Format
 2022-05-04 05:59:01 +02:00
Paul Fultz II 3edb10a006
Fix 11024: FP returnDanglingLifetime with c_str() passed to constructor (#4072) 2022-05-03 11:42:32 +02:00
Paul Fultz II 3e686103ae
Fix 10984: False positive: invalidContainer when explictly capturing vector by reference (#4064) 2022-04-30 09:36:28 +02:00
Paul Fultz II 4e7125554f
Fix 8358: FP: Condition '(number*0)!=0' is always false (#4065) 2022-04-30 09:35:51 +02:00
Paul Fultz II 9fa5c4e201
Fix 11011: FP returnDanglingLifetime with non-const reference argument [inconclusive] (#4066) 
* Fix 11011: FP returnDanglingLifetime with non-const reference argument [inconclusive]

* Format
 2022-04-30 08:23:58 +02:00
Paul Fultz II aafd1e10be
Fix 11006: FP uninitvar with unknown constant (#4056) 2022-04-28 10:48:37 +02:00
chrchr-github bcbc29affb
Fix #10526 FP: negativeIndex if function call is made after index check (#4052) 
* Fix #10526 FP: negativeIndex if function call is made after index check

* Improve container check

* Format
 2022-04-27 14:08:44 +02:00
Paul Fultz II 474c7fe5cc
Fix 10953: False positive: Possible null pointer dereference when calling derived function (#4044) 2022-04-26 17:57:06 +02:00
Paul Fultz II 5d5562266d
ValueFlow: Assume constant is nonzero when its negated (#4041) 
* ValueFlow: Assume constant is nonzero when its negated

* Format

* Format
 2022-04-23 06:19:07 +02:00
chrchr-github 6e69b751eb
Fix Match pattern (#4025) 2022-04-15 08:48:49 +02:00
Paul Fultz II 28cf14f110
Fix 10975: false negative: dangling reference in class (#4024) 
* Fix 10975: false negative: dangling reference in class

* Format
 2022-04-14 18:59:12 +02:00
chrchr-github 6450d5701c
Fix #10979 FP arrayIndexOutOfBoundsCond with sizeof (#4021) 
* Fix #10466 FP constVariable with pointer typedef

* Fix flag check

* Use isStatic()

* Fix #10979 FP arrayIndexOutOfBoundsCond with sizeof and extra parentheses
 2022-04-14 18:13:29 +02:00
Paul Fultz II 6deb8068fa
Fix 10981: ValueFlow: multiplication with 0 should have known value 0 (#4023) 2022-04-14 18:13:04 +02:00
Paul Fultz II 09597bc7e8
Fix 10956: ValueFlow: Incorrect value when assigned to two variables (#4019) 
* Fix 10956: ValueFlow: Incorrect value when assigned to two variables

* Format
 2022-04-14 07:35:07 +02:00
Oliver Stöneberg 45158ec064
cleaned up includes based on include-what-you-use (#4007) 
* cleaned up includes based on include-what-you-use

* updated translations
 2022-04-13 12:24:00 +02:00
Paul Fultz II 6c82fb05a4
Fix 10954: False positive: returnDanglingLifetime when using c_str() (#4006) 2022-04-12 08:09:13 +02:00
Paul Fultz II 61b87bcc60
Fix 10955: False positive: containerOutOfBounds when using a const reference member (#4005) 2022-04-12 08:07:55 +02:00
Paul Fultz II d97942d3c6
Fix 6577: Detect pointer to uninitialised memory with clock_settime() (#3993) 
* Fix 6577: Detect pointer to uninitialised memory with clock_settime()

* Format
 2022-04-11 07:23:44 +02:00
Paul Fultz II 45b4580554
Fix 10957: Crash on valid code (#3991) 2022-04-10 22:47:58 +02:00
Oliver Stöneberg 25ef9eeb26
use std::string::empty() (#3910) 2022-04-09 19:02:37 +02:00
Paul Fultz II 4c1aeb0cb1
Remove old pointer alias check (#3983) 2022-04-07 11:36:15 +02:00
chrchr-github 52b4aeb279
Fix #10792 FP knownConditionTrueFalse with double to int cast (#3964) 2022-04-07 10:42:57 +02:00
Paul Fultz II dad10f2ab7
Fix 7684: ValueFlow: function call 'X::GetSize()' (#3984) 
* Improve getting function to calculate the return

* Add test

* Format

* Move to cpp to avoid FP

* Format
 2022-04-07 06:49:25 +02:00
Paul Fultz II 74667d1e2a
Fix 10418: false negative: knownConditionTrueFalse (#3981) 
* Improve handling inverted condition

* Fix tests

* Rename variables for clarity

* Add initial test

* Add another test

* Format

* Fix FP
 2022-04-07 06:48:13 +02:00
Paul Fultz II bb640c4879
Fix 10950: Crash on function declaration (#3979) 
* Fix 10950: Crash on function declaration

* Format
 2022-04-06 19:00:05 +02:00
Paul Fultz II 4fde7f8b18
Fix 10449: Regression: knownConditionTrueFalse (strlen/wcslen) (#3977) 
* Refactor library function usage

* Evaluate library function in program memory

* Fix and add tests

* Format
 2022-04-06 06:35:38 +02:00
Paul Fultz II 1d92665ad2
Fix 10867: false negative: containerOutOfBounds with std::array (regression) (#3976) 
* Fix 10867: false negative: containerOutOfBounds with std::array (regression)

* Format
 2022-04-06 06:25:28 +02:00
chrchr-github cfbbeb4b1b
Partial fix for #10867 FN containerOutOfBounds with std::array (#3971) 
* Partial fix for #10867 FN containerOutOfBounds with std::array

* Format

* Format

* Optimize
 2022-04-05 07:34:20 +02:00
Paul Fultz II 0547cbcd26
Fix 10647: FN knownConditionTrueFalse for impossible Boolean value (#3968) 
* Add impossible values for bool

* Fix valueflow tests

* Fix assertion failure

* Add test

* Format
 2022-04-03 20:04:05 +02:00
chrchr-github 4bf8718dcb
Fix #10849 FP constStatement with pointers in lambda (#3961) 2022-04-01 19:50:40 +02:00
Paul Fultz II 32ded1602b
Fix warnings in switch statements on clang (#3943) 2022-03-30 19:30:02 +02:00
Paul Fultz II 21b8c36eb1
Fix 10916: FP: uninitvar (#3949) 2022-03-27 10:01:58 +02:00
chrchr-github 479af21405
Fix #10698 FP uninitvar with new and braced initializer (#3934) 2022-03-24 20:08:51 +01:00
Paul Fultz II 4b4037540a
valueFlowUninit: Handle arrays and pod types (#3917) 
* valueFlowUninit: Handle arrays and pod types

* Format

* Catch another array case
 2022-03-24 06:35:44 +01:00
chrchr-github 3faff5e9fc
Fix #10248 FP knownConditionTrueFalse static variable with direct initialization (#3922) 2022-03-22 07:24:40 +01:00
chrchr-github 0e147502cc
Fix #10888 FN variableScope with enum and struct (#3920) 
* Fix #10888 FN variableScope with enum and struct

* Scope reduction

* Scope reduction
 2022-03-21 16:05:38 +01:00
Paul Fultz II 40ff9edad6
Fix 10843: FP: danglingTemporaryLifetime (#3908) 
* Fix 10843: FP: danglingTemporaryLifetime

* Format
 2022-03-16 17:11:49 +01:00
Armin Müller 7cc45fb393
Typos found by running "codespell" (#3907) 
Co-authored-by: Armin Müller <mueller.armin@foestergroup.de>
 2022-03-16 15:28:44 +01:00
Oliver Stöneberg 0d336b868c
avoid some Clang compiler warnings (#3896) 2022-03-13 20:07:58 +01:00
Oliver Stöneberg 757287b13c
removed unnecessary varid0 inline suppressions (#3893) 2022-03-12 18:02:40 +01:00
Paul Fultz II ff902369e0
Fix 10851: False positive: known variable value below for loop (#3891) 
* Fix 10851: False positive: known variable value below for loop

* Format

* Add test for 10863

* Format
 2022-03-12 06:15:35 +01:00
chrchr-github fbdfb60809
Warn about buffer overruns when allocating memory with new (#3879) 
* Warn about buffer overruns when allocating memory with new

* Format

* Avoid FP
 2022-03-07 19:43:40 +01:00
chrchr-github 7f682d544e
Partial fix for #6615 FN buffer access out of bounds: std::vector (#3873) 
* Fix #10779 FN: stlOutOfBounds (off by one)

* Format

* Simplify

* Partial fix for #6615 FN buffer access out of bounds: std::vector

* Undo

* Format

* Fix test case
 2022-03-06 07:41:09 +01:00
chrchr-github 27baa20f38
Fix #10779 FN: stlOutOfBounds (off by one) (#3872) 
* Fix #10779 FN: stlOutOfBounds (off by one)

* Format

* Simplify
 2022-03-04 17:13:13 +01:00
chrchr-github 2dd6c75b35
Fix #10838 Crash/nullptr deref in getEndOfExprScope() (#3870) 
* Fix #10838 Crash/nullptr deref in getEndOfExprScope()

* Format
 2022-03-03 17:08:23 +01:00
Daniel Marjamäki 915ae4b845 ValueFlow: Fix crash 2022-03-02 21:12:37 +01:00
Oliver Stöneberg 4a63af02ed
enabled functionConst and functionStatic in selfcheck (#3862) 
* fixed functionConst findings and enabled it in selfcheck

* fixed functionStatic findings and enabled it in selfcheck

* .travis_suppressions: adjusted comment

* testimportproject.cpp: added missing asserts
 2022-03-02 07:46:47 +01:00
Paul Fultz II 0b310b9d07
Fix 10702: FP knownConditionTrueFalse - Member variable modified (#3857) 
* Fix 10702: FP knownConditionTrueFalse - Member variable modified

* Format

* Make parameter const

* Fix FP

* Fix FP

* Update

* Format
 2022-02-28 18:54:55 +01:00
chrchr-github d79d6e60db
Fix #10828 Internal error. Token::Match called with varid 0 (#3859) 
* Fix #10828 Internal error. Token::Match called with varid 0

* Fix test
 2022-02-26 23:48:29 +01:00
Paul Fultz II dbc80787e1
Fix 10821: FN: containerOutOfBounds (#3856) 
* Fix 10821: FN: containerOutOfBounds

* Format

* Fix cppcheck warning

* Add valueflow tests

* Format

* Fix some bugs

* Format
 2022-02-25 05:53:51 +01:00
Paul Fultz II 45de9a7d08
Refactor: Use getEndOfExprScope instead of getEndOfVarScope (#3855) 2022-02-24 06:50:34 +01:00