Commit Graph

579 Commits

Author SHA1 Message Date
orbitcowboy d4a98dfaab Ticket : Added a regression test 2021-10-15 22:50:29 +02:00
Paul Fultz II 2ca2abdf0e
Remove duplicate uninit warnings () 2021-10-04 07:50:23 +02:00
Daniel Marjamäki eb50d19657 Uninitvar: Moved testcases for avoiding extra warnings from TestValueFlow to TestUninitVar 2021-10-03 22:15:35 +02:00
Daniel Marjamäki 6a1b7f53ce Fixed CI 2021-10-03 18:47:21 +02:00
Paul Fultz II 9e9a982c6c
Fix 10468: False positive; uninitialized variable. Loop is always executed at least once () 2021-09-18 22:23:05 +02:00
Paul Fultz II 7f358b2bed
Format with uncrustify () 2021-08-07 20:51:18 +02:00
orbitcowboy 7d7241b076 : FP uninitvar: in cppcheck 2.1; Added a regression to test 2021-07-06 14:24:07 +02:00
Paul Fultz II fb9d659e25
Fix 10326: Regression: ValueFlow; Wrong Uninit value after do while () 2021-07-03 09:12:26 +02:00
Daniel Marjamäki 1a5449cbeb Fixed (ValueFlow; Wrong Uninit value in called function) 2021-07-01 22:08:00 +02:00
Paul Fultz II eb7b225fc1
Fix 10119: ValueFlow; object member is not uninitialized. happens when there is static member also. () 2021-06-19 13:58:18 +02:00
Daniel Marjamäki a994bd5ba5 Uninitialized variables; Add todo test case 2021-05-28 18:09:43 +02:00
Paul Fultz II 5f0fe1dfe7
Fix another FP with range for macro () 2021-05-26 04:52:55 +02:00
Daniel Marjamäki a4653a057a Uninitialized variables; Fixed FP for range for loop 2021-05-25 20:37:22 +02:00
Daniel Marjamäki 7d84b8f1bc Uninitialized variables; Fix FP when assigning struct members 2021-05-25 16:13:32 +02:00
Daniel Marjamäki 8d97cce81b Uninitialized variables; Added true positive test 2021-05-25 07:31:01 +02:00
Daniel Marjamäki 4cccc710ef Uninitialized variables; Fixed FP when bitmask is used on address 2021-05-24 20:55:13 +02:00
Daniel Marjamäki d3bb84cd0e Uninitialized variables; Added TP tests for ignored operators 2021-05-24 17:53:16 +02:00
Daniel Marjamäki b7803ea6fb Uninitialized variables; Fixed false positives for reference cast and dereferencing address of uninitialized variable 2021-05-24 17:50:28 +02:00
Daniel Marjamäki 4ad90bf6f1 Uninitialized variables; Fixed FP in inner for loop 2021-05-24 17:02:19 +02:00
Daniel Marjamäki fa72ec20b2 Uninitialized variables; avoid false positives when passing uninitialized variable to unknown function 2021-05-24 15:54:09 +02:00
Daniel Marjamäki a2e709a652 Uninitialized variables; Try to remove heuristics for assignment with overloaded <<. That is non-standard behavior for the << operator. Let's see how much FPs we get. 2021-05-24 13:17:50 +02:00
Daniel Marjamäki 8ad0905e3b Uninitialized variables; Fixed FP in valueflow-based checking 2021-05-23 18:43:34 +02:00
Daniel Marjamäki f968761382 Uninitialized variables; Remove TODO comment in test, test is working as it should now. 2021-05-23 14:57:43 +02:00
Daniel Marjamäki 8828619855 Fixed (Uninitialized variables; False positive for array in union) 2021-05-23 12:06:23 +02:00
Daniel Marjamäki 85723f8605 Uninitialized variables; Different heuristic needed for const pointer function parameter 2021-05-23 11:45:47 +02:00
Paul Fultz II e2d9aaf23b
Fix 10286: false positive: uninitvar ()
* Fix 10286: false positive: uninitvar

* Remove header
2021-05-23 07:58:19 +02:00
Daniel Marjamäki 1cb48ad418 Uninitialized variables; Fixed false positive in sizeof() 2021-05-22 11:04:42 +02:00
Daniel Marjamäki f5f3a8d4d7 Fix syntax errors in test cases 2021-05-22 09:44:18 +02:00
Daniel Marjamäki 68c46e146d Uninitialized variables; Fixed FP when returning malloc pointer 2021-05-21 17:10:49 +02:00
Daniel Marjamäki 2d3d7db730 Uninitialized variables; fix syntax errors in test cases 2021-05-21 15:30:52 +02:00
Daniel Marjamäki 1e6a574cff Uninitialized variables; Passing address of uninitialized variable to function 2021-05-21 15:27:13 +02:00
Daniel Marjamäki 8adfcc848c Uninitialized variables; check RHS expression 2021-05-21 14:31:25 +02:00
Daniel Marjamäki cc74c8e1da Uninitialized variables; Moved test case. ValueFlow can detect issue. 2021-05-21 10:42:58 +02:00
Paul Fultz II 5409fa8afd
Fix disabled valueFlowUninit tests () 2021-05-21 07:28:34 +02:00
Daniel Marjamäki 4746d4b819 Uninitialized variables; Improved checking of loops 2021-05-20 22:56:14 +02:00
Daniel Marjamäki 8e650e4243 Uninitialized variable; Fixed FP after unconditional scope with conditional initialization 2021-05-20 18:38:59 +02:00
Daniel Marjamäki f1fff5e904 Fixed (ValueFlow/TokenList: function pointer dereference and call) 2021-05-20 13:54:17 +02:00
orbitcowboy ef757e5cf9 : uninitvar - Added regression test cases 2021-05-20 09:14:17 +02:00
Daniel Marjamäki ca5fab8219 Uninitialized variables; Fixed false positive in range for loop 2021-05-19 21:12:11 +02:00
Daniel Marjamäki abe810d718 Uninitialized variables; Fix false positive in switch inside loop 2021-05-19 13:07:04 +02:00
Daniel Marjamäki e35c46bcb9 Uninitialized variables; Fixed false positive for overloaded & 'ar & a & b & c' 2021-05-18 21:03:43 +02:00
Daniel Marjamäki 0aebc32ae0 Uninitialized variables; Fixed false positive for 'cin >> x[0]' 2021-05-18 20:13:27 +02:00
Daniel Marjamäki bde8b4316e Uninitialized variables; Fixed FP in range based for loop 2021-05-17 13:31:16 +02:00
Daniel Marjamäki 4322311482 Uninitialized variables; Fixed struct member access FP 2021-05-17 11:50:31 +02:00
Daniel Marjamäki b115e4a932 Uninitialized variables; Fixed false positive in member assignment 2021-05-17 10:31:02 +02:00
Daniel Marjamäki 16ce0f1dbf Uninitialized variables; Clarify warnings, bailout for binary & to avoid FPs 2021-05-17 09:22:19 +02:00
Daniel Marjamäki e034fa8a6e UninitVar: Rewrite CheckUninitVar::isVariableUsage(), use AST primarily 2021-05-16 22:27:04 +02:00
Daniel Marjamäki e66427c395 testnullpointer; fix extracttests syntax error 2021-05-15 14:59:00 +02:00
orbitcowboy e072c2d786 uninitvar: Added a regression test for 2021-05-15 14:16:46 +02:00
Daniel Marjamäki 899b88754f uninitialized variables; fix false positive in loop 2021-05-15 11:16:47 +02:00
Daniel Marjamäki 11c0cc3a6e extracttests; Fix syntax error in new unit test 2021-05-14 22:29:15 +02:00
Daniel Marjamäki 809c70b9c3 uninitialized variables; fix FP in for loop 2021-05-14 21:36:51 +02:00
Daniel Marjamäki c29997b117 uninitvar: fixed TODO assertion 2021-05-14 11:54:18 +02:00
Daniel Marjamäki 56bc5536aa testunusedvar: move UB testcase to testuninitvar 2021-05-14 11:24:39 +02:00
Daniel Marjamäki d549770b5b updated extracttests.py. fix syntax errors in test cases. 2021-05-13 20:21:02 +02:00
Daniel Marjamäki 22ab9ccd7f Fixed (False negative; Uninitialized variable in for loop) 2021-05-11 20:35:15 +02:00
Daniel Marjamäki 75311fba0f Fixed (FP uninitvar with input from stringstream in for loop) 2021-05-10 19:48:07 +02:00
Daniel Marjamäki db7be3e91b Fixed (Improve check: uninitialized struct member not detected) 2021-05-10 19:24:03 +02:00
Daniel Marjamäki c37b8ea55c Fixed (false negative: uninitialized struct member) 2021-05-10 18:38:44 +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 cf1937294a Refactorization: Removed unnecessary \n and spaces in strings
Merged from LCppC.
2021-02-20 12:58:42 +01:00
Paul Fultz II 25ada657da
Fix issue 9030: ValueFlow: Possible value after conditional assignment in for loop () 2021-01-18 10:12:07 +01:00
Oliver Stöneberg 96704c9971
fixed and enabled some more clang-tidy warnings () 2021-01-05 17:51:32 +01:00
Paul Fultz II 9ec27c112f
Fix issue 9855: false positive: uninitvar () 2020-08-26 07:02:15 +02:00
Daniel Marjamäki 120c572252 Fixed (Chained stream operation gives uninitvar error) 2020-06-06 15:24:01 +02:00
miltolstoy 79c3af56e4
fix 9296: false negative uninit variable () 2020-05-28 21:28:18 +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
Daniel Marjamäki 4779cb124e Fixed (False positive: uninitialized struct member) 2020-05-07 22:27:18 +02:00
Daniel Marjamäki c029d5150c Fixed (False positive: uninitialized variable) 2020-04-10 12:33:15 +02:00
Paul Fultz II 6ea4f60600
Enable valueFlowSubfunction for multiple parameters () 2020-03-01 16:46:20 +01:00
Rikard Falkeborn 9896dce7f2
checkuninitvar: Fix FN with c++ casts () 2020-02-23 19:53:17 +01:00
Paul Fultz II 921887a281
Use valueFlowGeneric for valueFlowForwardExpression () 2020-02-16 16:02:22 +01:00
Paul Fultz II 7368a54629
Add generic valueflow forward analysis () 2020-02-13 16:27:06 +01:00
Daniel Marjamäki ca3095746c Fixed (False positive: Using argument that points at uninitialized variable when write only) 2020-02-04 18:56:18 +01:00
Daniel Marjamäki 02eaf6fa93 Fixed (False positive uninitStructMember related to reference to member) 2019-12-19 20:18:32 +01:00
Daniel Marjamäki bae4faa786 Fixed (FP uninitdata - writing pointer to output stream) 2019-11-16 11:47:57 +01:00
IOBYTE f88ae21d8f Fix (False positive on local variable when template specialization is used) () 2019-11-13 21:34:27 +01:00
Paul Fultz II 7841430793 Fix issue 9428: FP uninitvar for pointer passed to sscanf ()
* Add indirect to library cfg files

* Check indirect for non null arguments

* Reenable subfunction analysis

* Use indirect 1 when using not-null

* Parse correct string name

* Update documentation

* Make attribute optional
2019-11-13 12:46:54 +01:00
Daniel Marjamäki f5a6aa530d Fixed (FP uninitvar - member initialized in operator()) 2019-11-11 15:00:53 +01:00
Paul Fultz II 6f29e299fc Fix issue 9439: false positive: unique_ptr and nullPointerRedundantCheck () 2019-11-10 09:44:59 +01:00
Daniel Marjamäki c3ae028a41 Fixed (False positive: uninitdata for memory allocated and initialized in function called new (C code)) 2019-11-03 17:08:28 +01:00
Paul Fultz II 02150e741d Fix issue 7836: Add regression test () 2019-10-30 12:12:02 +01:00
Daniel Marjamäki 210232d35c Fixed (false positive: (error) Uninitialized variable: ret) 2019-10-29 20:36:58 +01:00
Daniel Marjamäki 15d7b9c83f Fixed (FP uninitvar for pointer passed to sscanf) 2019-10-17 17:41:54 +02:00
Daniel Marjamäki da363c7d6f Fixed (FP ctuuninitvar for pointer dereferenced inside sizeof) 2019-09-12 13:29:52 +02:00
Paul Fultz II 2595b82634 Fix issue 9348: FP uninitvar for pointer passed to memcpy () 2019-09-10 19:40:08 +02:00
Sebastian 4a119640c5 : Add regression test ()
* : Add regression test

https://trac.cppcheck.net/ticket/8755
False negative: uninitvar not detected

* Fixed formatting (runastyle)
2019-09-09 17:20:03 +02:00
Paul Fultz II 1afd56e964 Fix issue 8785: ValueFlow: Track pointer alias
This fixes the issue by making `ProgramMemory` keep track of values based on the conditions.

It also removes the `deadpointer` check since it duplicates the `invalidLifetime` check.
2019-09-03 17:16:15 +02:00
Paul Fultz II 55a78f482b Fix issue 9293: false negative: uninitvar 2019-09-03 06:46:34 +02:00
Daniel Marjamäki 7d63bdee6f astyle formatting
[ci skip]
2019-09-02 06:59:07 +02:00
Ken-Patrick Lehrmann 7a75aa084b Fix crash in CheckUninitVar ()
http://cppcheck.osuosl.org:8000/ycmd
```
2019-08-30 23:21
ftp://ftp.se.debian.org/debian/pool/main/y/ycmd/ycmd_0+20181101+git600f54d.orig.tar.gz
cppcheck-options: -j1 --library=posix --library=gnu --library=qt --library=python --library=googletest --library=boost -D__GNUC__ --check-library --inconclusive --enable=style,information --platform=unix64 --template=daca2 -rp=temp temp
platform: Linux-4.15.0-58-generic-x86_64-with-Ubuntu-18.04-bionic
python: 2.7.15+
client-version: 1.1.31
cppcheck: head 1.88
count: Crash! 83
elapsed-time: -11.0 61.2
head results:
Checking temp/ycmd-0+20181101+git600f54d/ycmd/tests/clang/testdata/completion_fixit.cc: __GNUC__=1...

Program received signal SIGSEGV, Segmentation fault.
CheckUninitVar::valueFlowUninit (this=this@entry=0x7fffffffb350) at build/checkuninitvar.cpp:2376
2376	            if (!tok->variable())
   CheckUninitVar::valueFlowUninit (this=this@entry=0x7fffffffb350) at build/checkuninitvar.cpp:2376
   0x00005555556901ac in CheckUninitVar::runChecks (this=<optimized out>, tokenizer=0x7fffffffbcb0, settings=0x7fffffffcd10, errorLogger=<optimized out>) at lib/checkuninitvar.h:68
   0x00005555556a2210 in CppCheck::checkNormalTokens (this=this@entry=0x7fffffffcaf0, tokenizer=...) at build/cppcheck.cpp:730
   0x00005555556a6ee2 in CppCheck::checkFile (this=this@entry=0x7fffffffcaf0, filename="temp/ycmd-0+20181101+git600f54d/ycmd/tests/clang/testdata/completion_fixit.cc", cfgname="", fileStream=...) at build/cppcheck.cpp:540
   0x00005555556aad4c in CppCheck::check (this=this@entry=0x7fffffffcaf0, path="temp/ycmd-0+20181101+git600f54d/ycmd/tests/clang/testdata/completion_fixit.cc") at build/cppcheck.cpp:195
   0x00005555557ef167 in CppCheckExecutor::check_internal (this=this@entry=0x7fffffffd880, cppcheck=..., argv=argv@entry=0x7fffffffdc08) at cli/cppcheckexecutor.cpp:884
   0x00005555557efa9a in CppCheckExecutor::check (this=0x7fffffffd880, argc=17, argv=0x7fffffffdc08) at cli/cppcheckexecutor.cpp:198
   0x00005555555b1d1b in main (argc=17, argv=0x7fffffffdc08) at cli/main.cpp:95
```
2019-09-01 14:51:40 +02:00
Paul Fultz II 0b9e823fc8 Fix issue 9305: False positive uninitvar - struct initialized via function () 2019-08-30 18:32:45 +02:00
Paul Fultz II 2942be53f7 Add more tests for valueFlowUninit () 2019-08-30 08:41:17 +02:00
Paul Fultz II 03fe6795bf Fix issue 9302: FP uninitvar - struct accessed via pointer () 2019-08-29 08:38:50 +02:00
amai2012 1538248922 Fix syntax in test code example 2019-08-26 20:45:14 +02:00
Daniel Marjamäki 9d26be8380 Fixed (Improve check: Uninitialized variable not reported when used in array initialization) 2019-08-24 14:43:35 +02:00
Paul Fultz II 5c488b9519 Fix issue 9190: FP uninitvar for struct member ()
* Fix issue 9190: FP uninitvar for struct member

* Add more test cases

* Fix false negative
2019-08-24 11:27:47 +02:00