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417 Commits

Author SHA1 Message Date
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 3925a27182
Fix FP knowConditionTrueFalse (#4419) 
* Fix #10426 FN (style) Condition 's.empty()' is always false

* Fix test

* Fix FP knowConditionTrueFalse

* Check for casts

* Fix FP for user-defined functions

* Adjust condition detection

* Tweaks
 2022-08-30 18:08:24 +02:00
chrchr-github 9ab4f9976d
Fix #10426 FN (style) Condition 's.empty()' is always false (#4414) 
* Fix #10426 FN (style) Condition 's.empty()' is always false

* Fix test
 2022-08-29 12:25:10 +02:00
chrchr-github 5cc8ef7e87
Add test for #9817 (#4388) 
* Add test for #8919

* Add test for #9817

* Revert
 2022-08-20 19:23:55 +02:00
Oliver Stöneberg 1b4141cbe5
added more missing `sstream` includes (#4384) 2022-08-19 18:23:15 +02:00
chrchr-github bdbd84ba98
#11238: Fix regression (#4349) 
* Fix #11238 FP knownConditionTrueFalse with constexpr?

* Modify isConstVarExpression()

* Use predicate

* Format

* #11238: Fix regression
 2022-08-09 13:13:16 +02:00
chrchr-github 078a6d7804
Fix #11238 FP knownConditionTrueFalse with constexpr? (#4341) 2022-08-07 19:06:19 +02:00
chrchr-github 0eabe0505b
Handle float values (#4336) 2022-08-02 22:11:31 +02:00
chrchr-github bc409776e3
Fix #10320 Wrong redundant condition: misleading/wrong message (#4334) 
* Fix #10320 Wrong redundant condition: misleading/wrong message

* Use expressionString()

* Clarify condition

* Update testcondition.cpp

* Trigger CI
 2022-08-02 18:31:02 +02:00
chrchr-github 92d569afb6
#11233 FP: knownConditionTrueFalse (wrong message text) (#4330) 
* #11233 FP: knownConditionTrueFalse (wrong message text)

* Format

* Update testcondition.cpp

* Trigger CI
 2022-08-02 18:18:46 +02:00
Daniel Marjamäki 898ad314ab badBitmaskCheck: Avoid FP when there is #ifdef in expression 2022-07-28 21:56:05 +02:00
chrchr-github 5342e2cd03
Fix #11037 FP knownConditionTrueFalse with dynamic_cast (#4297) 2022-07-20 20:48:17 +02:00
chrchr-github 6dc606fd6a
Add tests for #8446, #10750, #10894 (#4287) 2022-07-18 18:03:08 +02:00
chrchr-github 9e74da6126
Fix #11098 FP compare with negated constant (#4282) 2022-07-16 07:28:15 +02:00
chrchr-github 596f75e2af
Fix FP compareValueOutOfTypeRangeError (#4245) 
* Fix FP compareValueOutOfTypeRangeError

* Remove suppressions
 2022-07-01 10:48:32 +02:00
Paul Fultz II 8945c151f5
Fix 11124: FP knownConditionTrueFalse with fruit (#4196) 
* Update valueType

* Allow comparisons

* Fix compare op

* Add test

* Format

* Fix FP

* Format
 2022-06-11 11:02:04 +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
chrchr-github 51c8630bb3
Fix #10618 FP knownConditionTrueFalse with virtual function (#4194) 
* Fix #10618 FP knownConditionTrueFalse with virtual function

* Remove redundant check
 2022-06-10 20:17:57 +02:00
chrchr-github b80d06b69e
Don't warn for 'x | MACRO' when MACRO is 0 (#4176) 2022-06-07 21:13:31 +02:00
chrchr-github 52453947c8
Don't warn for 'x | 0' in macro (#4172) 
* Fix #11082 FN badBitmaskCheck for binary or with 0

* Add test for #10703

* Don't warn for 'x | 0' in macro

* Add test for #10876
 2022-06-06 11:17:36 +02:00
chrchr-github f962436826
Fix #11082 FN badBitmaskCheck for binary or with 0 (#4170) 
* Fix #11082 FN badBitmaskCheck for binary or with 0

* Add test for #10703
 2022-06-04 17:25:10 +02:00
orbitcowboy c30333425b Added a regression test for ticket #8892 - FN: knownConditionTrueFalse 2022-05-24 09:21:21 +02:00
chrchr-github 2a7f00cf9a
Fix #8545 FN Condition '...' is always true ' uint16_t i; ( i <= 0xFFFF)' (#4114) 2022-05-21 08:33:42 +02:00
chrchr-github 63a1698335
Fix #11059 FP multiCondition when variable is assigned in if/else (#4102) 2022-05-11 20:01:13 +02:00
chrchr-github ad547af6f9
Add tests for #6323, #6855, #6857 (#4096) 
* Add tests for #6870, #10749

* Add test for #6372

* Add tests for #6855, #6857

* Add test for #6323

* Comment
 2022-05-10 18:25:01 +02:00
chrchr-github 16ef2c1838
Add test for #6372 (#4090) 
* Add tests for #6870, #10749

* Add test for #6372
 2022-05-09 20:26:15 +02:00
chrchr-github 8c0561a78b
Add tests for #6870, #10749 (#4089) 2022-05-09 14:52:31 +02:00
chrchr-github 509e42afd4
Fix #11034 FN duplicateCondition with struct member (#4074) 
* Fix #11034 FN duplicateCondition with struct member

* Update testcondition.cpp
 2022-05-03 19:57:30 +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 aafd1e10be
Fix 11006: FP uninitvar with unknown constant (#4056) 2022-04-28 10:48:37 +02:00
chrchr-github da1e2b22be
Add some tests (#4014) 
* Test for #10454

* Test for #10493

* Test for #10069

* Test for #10228

* Fix test case
 2022-04-13 12:25:53 +02:00
chrchr-github 28a024ac4a
Fix #9954 incorrectLogicOperator/knownConditionTrueFalse for constexpr (#4002) 2022-04-11 20:42:54 +02:00
chrchr-github 2bccde0e3b
Fix #9789 FP Logical condition considered always false (#3985) 2022-04-09 14:09:10 +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 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 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 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 3faff5e9fc
Fix #10248 FP knownConditionTrueFalse static variable with direct initialization (#3922) 2022-03-22 07:24:40 +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
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
Oliver Stöneberg f32583e097
removed OVERRIDE and FINAL defines and use the keywords directly (#3767) 2022-02-10 23:02:24 +01:00
Daniel Marjamäki 3989408738 Update copyright year 2022-02-05 11:45:17 +01:00
chrchr-github a20465eaea
Fix #10484 FP knownConditionTrueFalse with static variable and direct initialization / partial fix for #10248 (#3728) 2022-02-02 22:30:49 +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 7f9ef8c321
Add test cases for #7899, #7974, #9256 (#3726) 
* Add test case for #7899 and #7974

* Add test case for ##9256
 2022-01-20 16:15:38 +01:00
Paul Fultz II 71a44395c8
Fix 10659: FP knownConditionTrueFalse - C++17 structured binding (#3662) 2022-01-02 08:14:50 +01:00
Paul Fultz II 0c952ca05d
Fix 10223: ValueFlow; known value for a volatile variable (#3658) 2022-01-01 23:15:14 +01:00
Paul Fultz II 73f24b43f9
Fix 10437: FP knownConditionTrueFalse after pointer check (#3646) 2021-12-20 07:28:40 +01:00
chrchr-github 8df25ec4e9
Fix #8266 identicalConditionAfterEarlyExit variable modified in if-clause (#3610) 2021-12-18 22:52:54 +01:00
Paul Fultz II 5414814238
Fix 10649: False positive: wrong known value after reassignment (#3631) 2021-12-15 19:37:25 +01:00
Paul Fultz II 5f73af0d0e
Fix 10625: False positive: known value below do while (#3623) 2021-12-15 19:32:14 +01:00
chrchr-github 532477cdb2
Fix #9549 FP knownConditionTrueFalse (bitshift) (#3616) 2021-12-14 07:30:57 +01:00
Paul Fultz II c14920218c
Fix 10624: FP knownConditionTrueFalse with pointer member and dynamic cast (#3598) 2021-12-04 08:54:24 +01:00
chrchr-github ca311ebcdf
ASSERT() on calls to Tokenizer::tokenize() in test code (#3501) 2021-11-29 07:34:39 +01:00
Daniel Marjamäki f701a9361d chmod; Use 644 for source files 2021-11-17 08:25:25 +01:00
Paul Fultz II 13f5b560ce
Fix 10555: FP knownConditionTrueFalse with non-const function in base class (#3559) 2021-11-12 20:05:43 +01:00
Paul Fultz II a50596df72
Fix 10582: ValueFlow; wrong known value (#3550) 2021-11-07 06:51:51 +01:00
Paul Fultz II df59b07ba1
Fix 10226: FN: knownConditionTrueFalse (#3537) 2021-10-31 14:51:07 +01:00
Paul Fultz II 7f04658585
Fix 10548: FP knownConditionTrueFalse with loop and operator++ (#3511) 2021-10-15 10:59:01 +02:00
Paul Fultz II f1f86db0da
Fix 10544: FP knownConditionTrueFalse with loop after check (#3508) 2021-10-14 16:47:15 +02:00
orbitcowboy f09b4139fe Ticket #8407: Added regression test 2021-10-12 09:42:18 +02:00
orbitcowboy c3af708a55 Ticket #8209: Added regression test 2021-10-12 08:25:08 +02:00
Paul Fultz II 5e9bc48d26
Evaluate symbolic values (#3495) 2021-10-11 19:10:37 +02:00
Daniel Marjamäki 6bd5f79451 Revert "Fix 8629: false negative: (style) Condition '...' is always true (#3492)" 
This reverts commit b9be38aaec.
 2021-10-10 21:21:21 +02:00
Paul Fultz II b9be38aaec
Fix 8629: false negative: (style) Condition '...' is always true (#3492) 2021-10-09 16:20:38 +02:00
Paul Fultz II bc90ae889d
Fix 10543: FP knownConditionTrueFalse with static variable (#3491) 2021-10-09 16:20:04 +02:00
Paul Fultz II a1e0ef9b38
Refactor: Use interval analysis for symbolic values for inferCondtion (#3488) 2021-10-09 16:19:06 +02:00
Paul Fultz II 3cb252bd99
Fix 9873: False negative: null pointer when checking raw pointer (#3485) 2021-10-06 08:39:58 +02:00
Daniel Marjamäki b455f847ba Fixed #10448 (FN compareValueOutOfTypeRangeError with int32_t) 2021-09-12 15:08:14 +02:00
Paul Fultz II 8a708e556c
Fix 10456: FP identicalConditionAfterEarlyExit with variable captured by reference (#3439) 2021-09-04 19:05:41 +02:00
Paul Fultz II b788e41191
Fix 10438: FP knownConditionTrueFalse after return in a catch clause (#3429) 2021-09-03 23:07:08 +02:00
Daniel Marjamäki 19fea629c6 Fix FP in checkCompareValueOutOfTypeRange when sign is unknown 2021-08-29 16:03:56 +02:00
Paul Fultz II 4566e0e439
Fix 10148: False positive: knownConditionTrueFalse in for loop due to &= (#3425) 2021-08-28 09:28:29 +02:00
Paul Fultz II 740becbddf
Fix 10348: FP knownConditionTrueFalse with condition variable in do ... while loop (#3422) 2021-08-27 05:46:57 +02:00
orbitcowboy b0407ea6b4 Added comment to ticket number, there are no real changes [ci skip] 2021-08-25 21:14:19 +02:00
orbitcowboy 7d14f461f0 #8860: Added regression test 2021-08-24 14:36:13 +02:00
Paul Fultz II a0c37ceba2
Fix FP: Set correct bounds for interval (#3411) 2021-08-21 21:17:05 +02:00
Paul Fultz II e62cdbb664
Deduce symbolic values from conditions (#3406) 2021-08-19 22:01:55 +02:00
Paul Fultz II e0de48bb1d
Fix 7524: ValueFlow: false path for 'x<3' (#3393) 2021-08-16 09:19:07 +02:00
Paul Fultz II b9ac48c90a
Fix 10409: FP 'Condition 's.size()<3' is always false' (#3396) 2021-08-14 06:48:38 +02:00
Daniel Marjamäki d0b6079a83 Fixed #10372 (Confusing message for compareValueOutOfTypeRangeError) 2021-08-10 09:38:28 +02:00
Paul Fultz II a218ea3b23
Fix 10404: FP knownConditionTrueFalse after subtraction (#3390) 2021-08-09 07:45:41 +02:00
Paul Fultz II 7f358b2bed
Format with uncrustify (#3388) 2021-08-07 20:51:18 +02:00
orbitcowboy 1f411498b6 #8196: Added a regression test 2021-08-05 08:07:03 +02:00
Paul Fultz II 8b8ae55490
Fix 10129: false negative: knownConditionTrueFalse (#3382) 
* Add symbolic matching

* Check for truncated values

* Dont propagate uninit values

* Update errorpath test

* Add test case for 10129

* Add test case for FP

* Remove symbolic values that are the same as the token

* Fix test messages

* Fix cppcheck issue

* Format
 2021-08-04 21:07:31 +02:00
Paul Fultz II 7be9b217e6
Fix 7843 and 7844: ValueFlow for abs (#3373) 
* Refactor: Use valueFlowForward to forward values in condition expression

* Formattting

* Make known when using bools as well

* Set abs function as always positive

* Add test

* Add valueFlowSymbolicAbs

* Set impossible values

* Fix test case

* Fix error messages

* Merge
 2021-08-03 06:31:28 +02:00
Paul Fultz II 3d19b33c3e
Fix 9948 and 10234: false negative: knownConditionTrueFalse and stlOutOfBounds (#3372) 2021-08-02 10:51:34 +02:00
chrchr-github 405e17985a
Add test case for ticket #9808 (#3366) 2021-08-02 06:53:54 +02:00
orbitcowboy ccd525962b #8220: Added a regression test. 2021-08-01 12:32:01 +02:00
Paul Fultz II 7d9fdf582b
Fix 10121: False positive: Condition 'ab->a!=123' is always false when modifying an alias (#3293) 2021-08-01 10:10:11 +02:00
chrchr-github 9d51b4450b
Add test cases for tickets #9976 and #10371 (#3364) 2021-07-27 22:26:19 +02:00
Paul Fultz II 14802b932e
Fix 10362: ValueFlow: global variable might be modified by function call (#3358) 2021-07-26 22:21:56 +02:00
Daniel Marjamäki 797de4ef92 Fixed #10363 (FP: compareValueOutOfTypeRangeError) 2021-07-16 19:08:08 +02:00
Daniel Marjamäki cbb07b6247 misra; implement rule 14.3 2021-07-15 09:43:38 +02:00
Paul Fultz II 66956ed959
Fix 10323: Wrong known value. x!=0 does not mean that x==1 (#3308) 2021-06-26 09:16:45 +02:00
Paul Fultz II 508188df2b
Fix 10297: Regression; ValueFlow known value, sign conversion (#3307) 2021-06-26 09:16:04 +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
Paul Fultz II 486e440c4a
Fix 10298: ValueFlow: Wrong known value, 'x == -1' implicit unsigned cast for rhs (#3277) 2021-06-04 17:17:41 +02:00
Paul Fultz II 4b11bb4ad3
10278: ValueFlow: Wrong known value, sign conversion (#3260) 2021-05-18 07:28:45 +02:00
Daniel Marjamäki 08184f4681 Fixed #10070 (FP warning: Logical disjunction always evaluates to true) 2021-05-04 13:47:09 +02:00