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19115 Commits

Author SHA1 Message Date
Daniel Marjamäki 141ce7cd63 ValueFlow: Use FwdAnalysisAllPaths in ValueFlow to track complex expressions 2018-12-31 17:05:46 +01:00
Daniel Marjamäki fd8f599802 CTU: Use column in function id 2018-12-31 10:18:28 +01:00
Daniel Marjamäki aa4f61acdf CTU: Avoid FP in else block 2018-12-31 08:24:39 +01:00
Daniel Marjamäki fb6a291370 CTU: Avoid FP in code protected by &&,||,? 2018-12-31 08:16:21 +01:00
Daniel Marjamäki a520a41e64 CheckUninitVar: Try to report all CTU issues not just the first found issue 2018-12-31 07:54:00 +01:00
Daniel Marjamäki 37a3544ff5 CheckNullPointer: Try to report all CTU issues not just the first found issue 2018-12-31 07:52:14 +01:00
Daniel Marjamäki 5cc61e55f9 CTU: Refactoring; Use ValueFlow::Value::errorSeverity 2018-12-31 07:50:02 +01:00
amai2012 f2d7cb3ab6 Fix VS compiler warning and add a const 2018-12-30 22:17:21 +01:00
IOBYTE 36dfa0f27a template simplifier: refactor to use cached information (#1548) 
* use already cached name token rather than recalculating it
  multiple times

* cache end of template parameters token and use it rather than
  recalculating it multiple times

* remove unnecessary end of template token and name token checks

* remove function parameter that is already contained in another
  parameter
 2018-12-30 21:16:11 +01:00
Daniel Marjamäki 6b49a784c5 Fixed #8911 (Regression: False positive: Unassigned variable (alias)) 2018-12-30 20:20:20 +01:00
amai2012 73fa941352 Doxygen fixes 2018-12-30 19:31:50 +01:00
Daniel Marjamäki 91a580cbd7 CTU: more warnings 2018-12-30 18:31:37 +01:00
Daniel Marjamäki c8901e9bab CTU: Find paths better 2018-12-30 16:23:25 +01:00
Daniel Marjamäki b3fcd8a685 astyle formatting 
[ci skip]
 2018-12-30 11:59:06 +01:00
Daniel Marjamäki 378e083585 CTU: Refactoring the xml load/write. Renamed members. 2018-12-30 11:55:39 +01:00
Carlo Marcelo Arenas Belón 5ae6861a0f clang warnings (#1547) 
* valueflow: remove unused variable known

since e4677ae640 will trigger :

lib/valueflow.cpp:506:20: warning: unused variable 'known' [-Wunused-variable]
        const bool known = (parent->astOperand1()->hasKnownValue() ||

* templatesimplifier: cleanup

since 48c960f56c showing:

lib/templatesimplifier.h:279:16: warning: private field 'mTokenizer' is not used
      [-Wunused-private-field]
    Tokenizer *mTokenizer;
 2018-12-30 11:32:48 +01:00
ivangalkin 3f318548e2 CheckNullPointer: Add missing id 'nullPointerArithmeticRedundantCheck' to errorlist (#1535) 
* split CheckNullPointer::arithmeticError() into
  * CheckNullPointer::pointerArithmeticError() and
  * CheckNullPointer::redundantConditionWarning()

* Additional errorlist entry:

```XML
<error id="nullPointerArithmeticRedundantCheck"
  severity="warning"
  msg="Either the condition is redundant or there is pointer arithmetic with NULL pointer."
  verbose="Either the condition is redundant or there is pointer arithmetic with NULL pointer." cwe="682"/>
```
 2018-12-29 21:34:22 +01:00
IOBYTE da91ce2016 Fixed #6183 (TemplateSimplifier: Does not handle methods) (#1546) 
* Fixed #6183 (TemplateSimplifier: Does not handle methods)

* Fix function lookup.
 2018-12-29 11:19:53 +01:00
Paul Fultz II e4677ae640 Fix issue 8910: Regression: ValueFlow: wrong conditional tokvalue 
This fixes issue in:

```cpp
void f()
{
    char stack[512];
    RGNDATA *data;

    if (data_size > sizeof (stack))
        data = malloc (data_size);
    else
        data = (RGNDATA *)stack;

    if ((char *)data != stack)
            free (data); // <- data is not stack
}
```

It seems the `ProgramMemory` can't handle two known values(such as int and tok) together. So instead `ValueFlowAfterAssign` runs `ValueFlowForward` with tok values and then runs it with the other values.
 2018-12-29 09:31:21 +01:00
Daniel Marjamäki d18f5d8709 CTU: Reuse CheckNullPointer::isPointerDeRef in the nullpointer isUnsafeUsage 2018-12-29 09:26:57 +01:00
amai2012 03ed4afc70 Export interfaces from cppcheck-core.dll used from testrunner. In turn remove ctu sources from testrunner which are obsolete now. 2018-12-28 23:09:44 +01:00
Oliver Schode 22504975b9 Patch assert warning lib/checkassert.cpp (#1543) 
* Fixed typo in warning about modified variable inside assertion

* Fixed assert warning again in checkassert.cpp
 2018-12-28 15:25:22 +01:00
Oliver Schode 1dd4c7a71e Fixed typo in warning about modified variable inside assertion (#1542) 2018-12-28 15:24:50 +01:00
Daniel Marjamäki ee3fd0af03 Refactoring: Combine replaceStr functions 2018-12-28 13:11:54 +01:00
rikardfalkeborn 036fcf7827 Fix warnings (#1541) 
* Fix reorder warning

* Fix override warnings

Clang warns about missing overrides.

* Remove unused function

* Add missing argument to function calls
 2018-12-28 12:59:05 +01:00
amai2012 128ad96b59 Add ctu sources to VS projects 2018-12-27 22:11:40 +01:00
Daniel Marjamäki a40fe3c67f Fixed #7872 (ValueFlow: static_cast) 2018-12-27 21:33:01 +01:00
Daniel Marjamäki 6fef02498c Fixed #7263 (False negative: redundant assignment using +=) 2018-12-27 17:27:53 +01:00
Daniel Marjamäki a788512d66 CTU: Refactor isUnsafeFunction 2018-12-26 19:17:49 +01:00
Daniel Marjamäki a6e227a73c CTU: Refactoring; getErrorPath 2018-12-26 15:56:10 +01:00
Daniel Marjamäki e39be48c92 CTU: Refactoring, create ErrorPath in ctu 2018-12-26 11:36:26 +01:00
Daniel Marjamäki 271763e680 CTU: Refactoring 2018-12-25 21:11:23 +01:00
Daniel Marjamäki a1dca6acd5 Fix CTU nullpointer check 2018-12-25 12:04:01 +01:00
Daniel Marjamäki ddbe5c129c Clarify FwdAnalysis. It is useful for checks that need data flow analysis of ALL paths. 2018-12-25 11:56:06 +01:00
Daniel Marjamäki c7993df4ff Refactoring; Use range for loops 2018-12-25 11:47:45 +01:00
orbitcowboy 486697fc7d wxwidgets.cfg: Added constants from wx/valtext.h 2018-12-25 11:21:03 +01:00
Daniel Marjamäki 162576146e Revert "Fixed #6183 (TemplateSimplifier: Does not handle methods) (#1540)" 
This reverts commit 7875555b03.
 2018-12-24 20:10:00 +01:00
Daniel Marjamäki b3e6ecd827 Library: Make loading of cfg files more robust. Saw a problem to use --library=gtk when the current folder has a folder 'gtk' 2018-12-24 08:37:33 +01:00
IOBYTE 7875555b03 Fixed #6183 (TemplateSimplifier: Does not handle methods) (#1540) 2018-12-24 07:25:11 +01:00
orbitcowboy 54d6625ffb wxwidgets.cfg: Added support for constants from wx/dirdlg.h 2018-12-23 19:06:51 +01:00
orbitcowboy fd34430aec wxwidgets.cfg: Added support for constants from wx/filename.h 2018-12-23 19:00:39 +01:00
orbitcowboy 56d433c60d wxwidgets.cfg: Added more defintitions from wx/htmlprint.h 2018-12-23 18:49:41 +01:00
orbitcowboy c515249a78 wxwidgets.cfg: Added more defintitions from wx/htmlwin.h 2018-12-23 18:47:17 +01:00
orbitcowboy 88838002d6 wxwidgets.cfg: Added more defintitions from wx/defs.h 2018-12-23 18:37:47 +01:00
orbitcowboy 6c64146603 wxwidgets.cfg: Added constants from wx/laywin.h 2018-12-23 18:19:10 +01:00
orbitcowboy 9ebf9ff0d3 wxwidgets.cfg: Improved support for constants from wx/intl.h 2018-12-23 18:10:37 +01:00
orbitcowboy 611eb81302 Fixed checkcfg: test/cfg/std.cpp:2904:error:uninitvar:Uninitialized variable: s 2018-12-23 18:09:55 +01:00
orbitcowboy 4195cb0842 qt.cfg: Added support for Q_PLUGIN_METADATA 2018-12-23 17:51:00 +01:00
Daniel Marjamäki b79619832e Clarify warning 2018-12-23 12:42:18 +01:00
Daniel Marjamäki e6e3987935 snprintf/g_snprintf: do not allow uninitialized target buffer 2018-12-22 20:40:47 +01:00