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9317 Commits

Author SHA1 Message Date
Paul Fultz II 27ebff7ae4 Add deeper analysis of when a function changes a containers size (#2149) 
* Add deeper analysis of when a function changes a containers size

* Fix issues

* Track addressOf
 2019-09-06 21:18:45 +02:00
Sebastian 4531b31a4a
Test for issue 9334: FP resourceLeak for dlopen/dlclose with library posix (#2151) 
Add test to avoid further FP for valid code.
Tests for true positives are already present.
https://trac.cppcheck.net/ticket/9334
 2019-09-06 16:37:51 +02:00
Sebastian 32dad3f44a
posix.cfg: Fix vsyslog() configuration (#2150) 
Add tests to make sure no false positives are reported.
Found the issue via daca@home
 2019-09-06 10:16:11 +02:00
Paul Fultz II 70cad280ea Fix issue 9319: FP knownConditionTrueFalse related to aggregate initialization of struct (#2147) 2019-09-05 19:36:45 +02:00
Paul Fultz II 9e140831eb Fix issue 9329: FP knownConditionTrueFalse - vector modified by function calls (#2145) 2019-09-05 16:42:26 +02:00
Paul Fultz II e657cf4073 Fix issue 9320: False positive knownConditionTrueFalse related to truncation (#2144) 2019-09-05 15:15:58 +02:00
Daniel Marjamäki 068b0ef648 Make Travis happy 2019-09-04 13:38:19 +02:00
Daniel Marjamäki a9fda3f488 Clarify redundantVarAssignment warnings 2019-09-04 10:55:41 +02:00
IOBYTE e5220bdf0c make ellipsis ... a single token (#2143) 
* make ellipsis ... a single token

Using cppcheck -E to preprocess code with ellipsis produces output that
can't be compiled because ... is split into 3 tokens.

* try to fix addon
 2019-09-04 08:07:30 +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
Paul Fultz II dc201d110d Fix issue 9274: false negative: (error) Buffer is accessed out of bounds (std::string, std::wstring) 2019-09-03 06:43:54 +02:00
Paul Fultz II 88d194214f Fix FP with invalidContainerRef (#2141) 2019-09-03 06:41:35 +02:00
Daniel Marjamäki 7d63bdee6f astyle formatting 
[ci skip]
 2019-09-02 06:59:07 +02:00
Paul Fultz II cb509f1a8b Fix issue 4845: alias to vector element invalid after vector is changed (#2113) 
* Try harder to track ref lifetimes

* Dont add lifetimes for references

* Use correct token

* Check for front and back as well

* Improve handling of addresses

* Formatting

* Fix FP
 2019-09-02 06:58:09 +02:00
Paul Fultz II 255c1062e4 Run test fixtures as seperate tests so they can run in parallel (#2126) 2019-09-02 06:53:35 +02:00
IOBYTE fd403bf7e6 template simplifier: only add recursive instantiation if its arguments are a constant expression (#2138) 2019-09-02 06:51:19 +02:00
Ken-Patrick Lehrmann 7a75aa084b Fix crash in CheckUninitVar (#2129) 
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())
 #0  CheckUninitVar::valueFlowUninit (this=this@entry=0x7fffffffb350) at build/checkuninitvar.cpp:2376
 #1  0x00005555556901ac in CheckUninitVar::runChecks (this=<optimized out>, tokenizer=0x7fffffffbcb0, settings=0x7fffffffcd10, errorLogger=<optimized out>) at lib/checkuninitvar.h:68
 #2  0x00005555556a2210 in CppCheck::checkNormalTokens (this=this@entry=0x7fffffffcaf0, tokenizer=...) at build/cppcheck.cpp:730
 #3  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
 #4  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
 #5  0x00005555557ef167 in CppCheckExecutor::check_internal (this=this@entry=0x7fffffffd880, cppcheck=..., argv=argv@entry=0x7fffffffdc08) at cli/cppcheckexecutor.cpp:884
 #6  0x00005555557efa9a in CppCheckExecutor::check (this=0x7fffffffd880, argc=17, argv=0x7fffffffdc08) at cli/cppcheckexecutor.cpp:198
 #7  0x00005555555b1d1b in main (argc=17, argv=0x7fffffffdc08) at cli/main.cpp:95
```
 2019-09-01 14:51:40 +02:00
Ken-Patrick 2c656d6586 Issue 9255: Prevent infinite recursion in parsedecl (#2134) 2019-09-01 11:36:02 +02:00
Paul Fultz II 9ef64eb33e Add regression test for issue 9264: FP nullPointerRedundantCheck - pointer alias (#2133) 2019-09-01 09:58:53 +02:00
IOBYTE 3a1aec8850 template simplifier: ignore friend templates (#2122) 
* template simplifier: ignore friend templates

friend templates were interpreted as variable templates

* fix cppcheck warning
 2019-09-01 09:56:33 +02:00
Ken-Patrick d1c6cb9aa5 Fix issue 9304: boolean type of ternary (#2131) 
* Add test cases for 9304

* Fix 9304
 2019-09-01 09:51:53 +02:00
Paul Fultz II 121093658d Fix issue 9202: False positive: std::array, size is a constant (#2132) 2019-09-01 09:44:34 +02:00
Ken-Patrick 717aa826d8 Fix false positive in initializationListUsage (#2128) 
https://sourceforge.net/p/cppcheck/discussion/general/thread/d5b690ef19/
Check that we warn only about using the initializer list when we assign
the object being constructed.
 2019-08-31 12:27:07 +02:00
Paul Fultz II e8435b9ecb Fix issue 9306: Adjust shiftTooManyBitsSigned for C++14 (#2127) 2019-08-31 07:40:57 +02:00
Paul Fultz II 0b9e823fc8 Fix issue 9305: False positive uninitvar - struct initialized via function (#2123) 2019-08-30 18:32:45 +02:00
Paul Fultz II 2942be53f7 Add more tests for valueFlowUninit (#2124) 2019-08-30 08:41:17 +02:00
Sebastian a501f65c8c
libcurl.cfg: Add library configuration for libcurl (#2120) 
Add curl_easy_*() functions and deprecated functions with warnings.
Add tests and prepare donate-cpu.py
Reference: https://curl.haxx.se/libcurl/c/
 2019-08-29 15:11:59 +02:00
Sebastian 8782a5f5e4
lua.cfg: Add Lua C API library configuration with tests (#2119) 2019-08-29 11:38:21 +02:00
Paul Fultz II 03fe6795bf Fix issue 9302: FP uninitvar - struct accessed via pointer (#2121) 2019-08-29 08:38:50 +02:00
orbitcowboy 1994cbbb9c std.cfg: Improved configuration for mbrlen() and extended test cases. 2019-08-27 08:18:19 +02:00
IOBYTE 28a95802a2 template simplifier: fix syntax error false positive (an expression can't be a template) (#2115) 
https://stackoverflow.com/questions/57590411/cppcheck-syntax-error-with-using-typedef
 2019-08-27 06:37:58 +02:00
amai2012 1538248922 Fix syntax in test code example 2019-08-26 20:45:14 +02:00
orbitcowboy c8b7b40cd7 wxwidgets.cfg: Improved support for wxString member functions. 2019-08-25 15:54:50 +02:00
Daniel Marjamäki 4bd9d76a4c Try to make Travis happy 2019-08-25 10:24:13 +02:00
Daniel Marjamäki 82eec11898 Created redundantInitialization id 2019-08-25 09:45:39 +02:00
Daniel Marjamäki 324e5e581b Redundant assignments: Fix false positive when reassignment expression contains assembler 2019-08-24 20:15:52 +02:00
Daniel Marjamäki 996daaee4e STL: Fixed outOfBounds false positive 2019-08-24 15:40:29 +02:00
Daniel Marjamäki 9d26be8380 Fixed #5259 (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 (#2112) 
* Fix issue 9190: FP uninitvar for struct member

* Add more test cases

* Fix false negative
 2019-08-24 11:27:47 +02:00
Sebastian f25dcd5cda
python.cfg: Add Py_CLEAR(), and add initial test file (#2110) 2019-08-24 10:17:23 +02:00
Daniel Marjamäki 35fb55d76c Fixed #5259 (Improve check: Uninitialized variable not reported when used in array initialization) 2019-08-24 08:01:55 +02:00
Sebastian 7f50642090
wxwidgets.cfg: Add container configuration for wxString (#2109) 2019-08-23 19:10:49 +02:00
versat 50c6af5e5d astyle formatting 
[ci skip]
 2019-08-23 10:19:29 +02:00
Daniel Marjamäki 7061cc334b RedundantAssignment: Don't warn for initialization with {0} 2019-08-23 08:51:16 +02:00
Thomas Niederberger d122b1c722 Fix issue with __declspec and final (#2107) 
* Add missing Qt macros

Add two Qt macros that were missing

* Fix issue with __declspec and final

This change is a bit naive but it fixes the issues I was having when combining __declspec(dllexport) and final classes. Without the fix I get errors along the line of "The code 'class x final :' is not handled. You can use -I or --include to add handling of this code. "
 2019-08-23 06:43:02 +02:00
Rikard Falkeborn fd3cb24973 leakNoReturnVar: Don't break early (#2095) 
There seems to be no reason for stopping checking the scope if a call to
free() is seen (or fclose() or realloc()), so just continue checking.
Also, if there are multiple arguments, check all, perhaps there are more
memory leaks to warn about.
 2019-08-23 06:33:00 +02:00
Paul Fultz II c0a8d628b9 Fix issue 6010: Uninitialized inner struct (#2098) 
* Fix issue 6010: Uninitialized inner struct

* Show to root variable that is unitialized

* Warn on pointer dereferences
 2019-08-23 06:23:20 +02:00
Rikard Falkeborn 5b5d943976 Remove testfiles.pri (#2106) 
qmake is not used to build tests. The only user of testfiles.pri was
removed in 392cda8bce in december 2015.
 2019-08-21 06:51:08 +02:00
Sebastian 2c673bd380
qt.cfg: Add container configuration for QStack (inherits from QVector) (#2102) 2019-08-20 20:37:52 +02:00