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25 Commits

Author SHA1 Message Date
Daniel Marjamäki 3d3e6f384c Fix #9505 (MISRA 20.7 check suggests code change that leads to invalid code) 2019-12-08 20:07:52 +01:00
Daniel Marjamäki 4a4b6fe39b MISRA: Remove rule 5.3, Cppcheck core has these warnings 2019-12-08 19:01:51 +01:00
Daniel Marjamäki 55afaebdac Fixed #9506 (false positive: MISRA 12.4) 2019-12-08 18:52:52 +01:00
Georgy Komarov 6bacc1987c misra.py: Fix R12.4 and R13.1 crashes on large initializer lists (#2410) 
Fixed usage of hasSideEffectsRecursive which was causes crashes
of rules 12.4 and 13.1.

Add more tests for these rules.

See trac ticket: https://trac.cppcheck.net/ticket/9487
 2019-12-01 15:03:33 +01:00
Sebastian 8d114a40e4
misra-test.c: Add more tests for rule 14.2 (including FP and FN) (#2399) 
Adding more tests for rule 14.2 revealed a false negative when the
loop counter is changed inside the loop.
Corresponding line in the example suite:
https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/blob/master/R_14_02.c#L39
Also a false positive has been revealed when the loop counter is
initialized in a function that is called in the first `for` clause.
Corresponding line in the example suite:
https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/blob/master/R_14_02.c#L43
 2019-11-30 11:27:31 +01:00
Georgy Komarov bd6f236481 misra.py: Fix 5.3 FP (#2405) 
* misra.py: Fix 5.3 FP

This will close https://trac.cppcheck.net/ticket/9497

* fix names conflict

* fix naming
 2019-11-30 10:05:57 +01:00
Sebastian e46191e6e8
misra-test.c: Add more tests for rule 10.1 (including FP and FN) (#2398) 
Add some more tests for rule 10.1. They are given as examples in the
MISRA document. The 10.1 test that causes a false positive for 10.6 can be
found under the 10.6 tests.
Track ticket for false positive:
https://trac.cppcheck.net/ticket/9488
Trac ticket for the false negative:
https://trac.cppcheck.net/ticket/9489
 2019-11-27 09:09:17 +01:00
Mathias Schmid 8c22b2a316 Add check for MISRA-C 2012 Rule 2.7 and test cases. (#2340) 
* Add check for MISRA-C 2012 Rule 2.7 and test cases.

* Cast unused function parameters of some test patterns to "void".

* Fix function parameter void cast in "misra_17_6". Add comment to "misra_11_7_extra" to make all function parameter void casts look alike.
 2019-11-18 06:56:30 +01:00
Georgy Komarov 16e8016259 misra.py: Fix R21.1 FalsePositive on standard functions and errno (#2339) 
Rule 21.1 now doesn't report errors on usage of library functions
started from underscore (e.g. `_exit') and valid errno assignment.

See added tests for examples.
 2019-11-08 17:20:37 +01:00
Georgy Komarov ba217815cb misra.py: Fix R16.3 FN in last case/default statement (#2325) 
Fix R16.3 state machine which doesn't report errors in last case/default
statemenet. See added tests for examples.

Issue on trac: https://trac.cppcheck.net/ticket/8548
 2019-11-08 08:06:10 +01:00
Armin Müller bdd41151ed Typos found by running "codespell" (#2314) 2019-10-31 15:03:18 +01:00
Georgy Komarov b35091b827 misra.py: Fix 18.8 crash on checking undefined id (#2299) 2019-10-26 17:29:38 +02:00
Georgy Komarov 72f07c8a33 Add MISRA checks for rules 21.1 and 21.12 (#2284) 
* Add MISRA 21.1 check

This also required add static field for functions in symboldatabase.

* Add MISRA R21.12

* Use newer ASSERT macroses in tests
 2019-10-26 08:32:46 +02:00
Mathias Schmid 387132389a Add check for MISRA-C 2012 rule 3.2 and test cases. (#2269) 
* Add check for MISRA-C 2012 rule 3.2 and test cases.

* Fix formatting of MISRA rule 3.2 example.
 2019-10-16 11:31:42 +02:00
Mathias Schmid 1df97ac5c8 Add check for MISRA-C 2012 rule 4.2 - Trigraphs should not be used - as well as some test cases. (#2253) 2019-10-09 08:26:05 +02:00
Conrado Gouvea 40f136ac78 MISRA: add exception to rule 3.1 (#2231) 
* misra: add exception to rule 3.1

* misra: add parenthesis for clarity in rule 3.1
 2019-10-03 21:15:00 +02:00
Conrado Gouvea 67971db58f misra: fix false positive in 11.7 (#2233) 2019-10-03 10:15:50 +02:00
Georgy Komarov 846f356db4 misra.py: Fix Rule 4.1 (#2216) 
* misra.py: Use standard string module

* misra.py: Fixup R4.1

References:
* https://trac.cppcheck.net/ticket/9370
* https://sourceforge.net/p/cppcheck/discussion/development/thread/7274ed3842/?limit=25#799a

* Add more examples from @matzeschmid PR

* Add more out-of-bounds tests

* Fix R4.1.

* Compress hex condition

* Add more test cases

* Fix python3 zip import
 2019-09-28 20:16:10 +02:00
Sebastian 3b3ff2bb62
misra-test.c: Rule 4.1: Add another compliant test example (#2212) 2019-09-24 20:05:57 +02:00
Conrado Gouvea 3740c57160 misra: fix rule 5.4 false positive when macro is defined 'twice' inside #if/#else (#2125) 2019-08-31 07:53:16 +02:00
Daniel Marjamäki 2e9e3ed2f1 Fixed #8823 (false positive: MISRA rule 16.3) 2019-08-11 19:08:57 +02:00
Daniel Marjamäki 016340f77d Fixed #8657 (false postive: MISRA rule 15.7) 2019-08-11 17:54:02 +02:00
Daniel Marjamäki 43aabcd318 Fixed #8656 (false positive: MISRA rule 10.1) 2019-08-11 09:47:37 +02:00
Daniel Marjamäki 996000da52 Fixed #9208 (MISRA addon crashes on enum with constant expression) 2019-08-04 12:24:45 +02:00
Georgy Komarov fbd7b5180b Update addons structure. Make Y2038 addon works. (#2024) 
* Update addons structure. Make Y2038 addon works.

All addons are now located in same directory, where cppcheck-gui is
looking for them.

Y2038 addon has been updated to latest cppcheck version. Output is same
as 303622f01c commit as it described in
README: 303622f01c/addons/y2038/README.

* Clean up .travis.yml

* Update travis.yml paths.

* misra.py: Bring back -P argument for backward compatibility

* Fix paths

* Normalize dumpfile paths tpo cppcheck format

* Fixup 3 test.

* Add arguments regression test.

* Fixing travis build
 2019-07-26 06:38:03 +02:00