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12354 Commits

Author SHA1 Message Date
Paul Fultz II
64638d82bb
Fix issue 9945: FP: containerOutOfBounds (#2845) 2020-10-22 07:41:52 +02:00
Daniel Marjamäki
33844b28ab Another fix for the crash 2020-10-22 06:59:13 +02:00
Daniel Marjamäki
bcc7c5cd50 Use astIsPointer to avoid crashes 2020-10-22 06:55:48 +02:00
Ken-Patrick Lehrmann
e4a54a24db
Fix regression in CheckCondition (#2854) 
Introduced by e2a81a382f5333ba03d3d0b83be1d06728dc0f3b.
 2020-10-20 07:56:41 +02:00
Rikard Falkeborn
2624d791e6
Symboldatabase: Don't set unknown enum values (#2852) 
Previously, if an enum value was set to a value unknown to cppcheck, the
next enum value would erroneously be set to the last set value plus one
(or zero, if no enum value had been set before). This partially fixes
Trac ticket #9647, in the sense that it no longer sets wrong values for
these enum values. Further improvements to this would be to set the
correct values instead. It also fixes the false positive mentioned in the
comments in the ticket.
 2020-10-18 20:41:36 +02:00
Rikard Falkeborn
33739d23aa
Fix #9941: Return value type of library functions returning unsigned (#2848) 
Fix return value types of library functions returning unsigned.
Previously, the valueType of auto x = f() would be signed even if f()
was specified to return an unsigned type.

This fixes #9941, which is a regression in cppcheck 2.2 compared to 2.1.
The regression was introduced in 32df807b2287.
 2020-10-16 07:56:31 +02:00
Armin Müller
08cef9e815
Typos found by running "codespell" (#2846) 2020-10-15 19:24:13 +02:00
Daniel Marjamäki
f1ce5a9101 Fixed #9929 (False positive: suspicious semicolon after macro) 2020-10-09 20:34:20 +02:00
Paul Fultz II
047c3ed6ba
Fix issue 9935: FP: knownConditionTrueFalse value flow doesn't account for virtual functions (#2839) 2020-10-09 17:21:27 +02:00
Daniel Marjamäki
586ddf74f1 Clang import; fixed ast for function call with multiple arguments 2020-10-09 07:54:16 +02:00
Daniel Marjamäki
65721dd7a9 Bug hunting; Better handling of constant 2020-10-08 17:24:35 +02:00
Daniel Marjamäki
64608f4e95 clang import; fix symbol database for 'struct Fred { int a; }; int b; void f(int c, int d) { int e; }' 2020-10-06 19:06:10 +02:00
Paul Fultz II
372161c89b
Fix issue 9939: False positive: Reference to temporary returned (static variable) (#2840) 2020-10-06 09:16:54 +02:00
Daniel Marjamäki
67cc1776d5 Clang import: fixed return type 2020-10-04 20:02:19 +02:00
Daniel Marjamäki
e3ab688597 Clang import: Fix syntax tree for 'case 1' 2020-10-04 19:33:28 +02:00
Daniel Marjamäki
c3517924d0 Clang import testing: Compare AST 2020-10-04 11:27:31 +02:00
Daniel Marjamäki
b052843655 exprengine: Use and tweak ExprEngine::ArrayValue::MAXSIZE 2020-10-04 11:21:13 +02:00
Daniel Marjamäki
0e32e19184 daca: update WRONG_DATA interface 2020-10-03 15:36:02 +02:00
Daniel Marjamäki
2e20ee9e39 set version 2.2.99 2020-10-03 13:54:17 +02:00
Daniel Marjamäki
17e562a87f astyle formatting 
[ci skip]
 2020-10-03 11:02:11 +02:00
Paul
828a5e2326 Fix issue 9930: valueFlowLifetime hang 2020-10-03 11:01:53 +02:00
Daniel Marjamäki
c373be0b16 2.2: Update versions 2020-10-03 10:47:35 +02:00
Daniel Marjamäki
8d20d8afb5 Update Copyright year 2020-10-03 09:15:56 +02:00
Daniel Marjamäki
6de91d6386 Fixed #9707 (False positive: unreadVariable, union) 2020-10-02 20:22:22 +02:00
Daniel Marjamäki
63e08689c1 Fix Cppcheck warning 2020-10-02 19:35:24 +02:00
Daniel Marjamäki
ea3a9d658a Suppressions: Add special case for backwards compatibility. suppression comment after a {. 2020-10-02 18:56:26 +02:00
Daniel Marjamäki
1251d35ba4 Fix SymbolDatabase for 'extern const char ( * x [ 256 ] ) ;' 2020-10-02 08:25:43 +02:00
Daniel Marjamäki
a39e5835d4 Fixed #9925 (False positive: Redundant pointer operation in macro) 2020-09-29 18:27:07 +02:00
Daniel Marjamäki
67b1698752 daca: suppress variableScope warnings in C code as that is usually suppressed in real world. It should make the daca output more relevant. 2020-09-29 17:20:19 +02:00
Daniel Marjamäki
bf3833dad5 Avoid constStatement false positives for 'foo() || x=5'. Found in daca@home. 2020-09-29 13:35:39 +02:00
Daniel Marjamäki
f956dee58a Tokenizer: Fixed simplification of parentheses in expression 'a=(b,c);' 2020-09-29 12:06:30 +02:00
Daniel Marjamäki
31c800e19e Fixed false positive: suspicious operator ',' seen in daca@home 2020-09-29 11:32:48 +02:00
Daniel Marjamäki
ad9b2741cd varid: set varid for 'extern const char (*x[256]);'. This is a partial fix for #9922 2020-09-29 10:53:20 +02:00
Daniel Marjamäki
d901edd4af Avoid clarifyCalculation warning for 'x % 16 ? 1 : 0' expression. Fixes FP seen in daca@home. It seems likely that the order is understood otherwise the ternary calculation could easily be simplified away. 2020-09-29 08:39:21 +02:00
Daniel Marjamäki
e32ccb591b Fixed clarifyCalculation fp for 'a % b ? "a" : "b"'. seen in daca@home. 2020-09-29 08:29:23 +02:00
IOBYTE
4e4108dc8b
fix daca insighttoolkit crash in template simplifier (#2826) 
Don't count deleted instantiations in the recursive count.
I can't reduce the daca code because creduce requires a preprocessed
file to reduce and the problem doesn't show up when the file is
preprocessed with cppcheck.
There is no test because I couldn't reduce the problem files.

Co-authored-by: Robert Reif <reif@FX6840>
 2020-09-28 22:51:13 +02:00
Daniel Marjamäki
bf236e91d7 Fixed #9918 (False positive: autoVariable pointer is NULLed later) 2020-09-28 22:48:57 +02:00
Daniel Marjamäki
8395522390 Fixed #9919 (False positive: clarifyCalculation for code: flags & ZRL_EOL_NUL ? '\0' : '\n') 2020-09-28 19:18:34 +02:00
Daniel Marjamäki
4c9db17742 Tokenizer: replace all or none of the alternative tokens in a translation unit 2020-09-28 19:01:31 +02:00
Daniel Marjamäki
fa42d8c49c Fixed #9920 (Tokenizer: The keyword is not replaced, leads to false positive) 2020-09-28 16:35:50 +02:00
Daniel Marjamäki
84b8f32fd4 daca: group warnings for prohibited functions 2020-09-27 21:42:07 +02:00
Daniel Marjamäki
2748201d73 Fixed #9782 (Segmentation fault due to broken AST) 2020-09-27 20:41:09 +02:00
Daniel Marjamäki
ba84303501 Fixed #9680 (false positive: style: Variable 'x' is assigned a value that is never used with smart pointers) 2020-09-27 19:15:15 +02:00
Daniel Marjamäki
3b39433e21 Fixed Cppcheck warnings 2020-09-26 22:30:59 +02:00
Daniel Marjamäki
7bb82c5df7 Fixed #9901 (False positive: variable is assigned value that is not used 'if (--N == 0)') 2020-09-26 22:13:05 +02:00
Daniel Marjamäki
0ec77879ea Fix crash in createAST when checking wiggle in daca@home 2020-09-26 19:22:24 +02:00
Daniel Marjamäki
5578b09452 More fixing for #9914. New warning id and warning message when variable expression is explicitly hidden. 2020-09-26 13:49:47 +02:00
Daniel Marjamäki
05b0a0f970 Make duplicateAssignExpression warnings inconclusive for 'x&&false' etc. (#9914) 2020-09-26 10:50:58 +02:00
Paul Fultz II
887b40e08b
Fix issue 9916: False positive: duplicateAssignExpression when it's checked if variables have initial value later (#2825) 2020-09-26 10:31:40 +02:00
Daniel Marjamäki
5856fef83b Fixed #9914 (False positive: knownArgument for 'x && false') 2020-09-25 20:27:16 +02:00