90f82d0374
Fix issue 9541: false negative: knownConditionTrueFalse ( #2473 )
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* Fix issue 9541: false negative: knownConditionTrueFalse
* Add another test case
* Add another test
* Fix FPs
* Format
* Fix compile error
* Remove double conditions
* Fix compile error
2020-01-05 16:25:33 +01:00
a9d423eef2
Fix #8938 : FP identicalInnerCondition ( #2471 )
2020-01-04 11:38:56 +01:00
dd05839a7e
Fix false positives in knownConditionTrueFalse when using expressions with const variables ( #2469 )
2020-01-03 19:35:28 +01:00
31bddb6ae0
astyle formatting
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[ci skip]
2019-12-26 15:48:29 +01:00
ce1fc56e96
Fix issue 6890: ValueFlow: min/max value for variable, after condition ( #2460 )
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* Set bounds when combining values
* Adust bounds when they are negated
* Try to infer conditional values
* Switch false and true
* Fix checking of conditions
* Fix compare
* Fix remaining tests
* Fix overflows
2019-12-26 15:47:53 +01:00
4aa6385a97
Regression test for 9106: False positive duplicateCondition for struct member ( #2434 )
2019-12-09 06:51:58 +01:00
7cd7aff60a
Fixed #9285 (Misleading warning message)
2019-11-16 17:24:54 +01:00
fadf209e18
Add test for #9326 (FP knownConditionTrueFalse - Returning bool variable treated as condition)
2019-11-03 08:49:39 +01:00
df8bdabddd
Testing; Readded tests
2019-11-03 08:45:34 +01:00
9094ff01d3
Fixed #9363 (knownConditionTrueFalse: False positive about function parameter)
2019-10-31 08:34:09 +01:00
0df4876059
Fix issue 9367: FP knownConditionTrueFalse ( #2209 )
2019-09-24 08:15:03 +02:00
a903aa7070
Fix issue 9351: false negative: (style) Condition '...' is always true ( #2201 )
2019-09-23 08:49:04 +02:00
c1961cec1c
Fix issue 9362: FP: (style) Condition '(v&1)==0' is always false ( #2200 )
2019-09-21 19:53:54 +02:00
40f1635c35
Fix issue 9361: false positive: (style) Condition 'isdigit(c)!=0' is always true ( #2199 )
2019-09-21 08:19:54 +02:00
ad8abdb0c3
Add impossible values to ValueFlow ( #2186 )
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* Add impossible category
* Replace values
* Try to adjust known values
* Add ! for impossible values
* Add impossible with possible values
* Remove contradictions
* Add values when the branch is not dead
* Only copy possible values
* Dont bail on while loops
* Load std lib in valueflow
* Check for function calls
* Fix stl errors
* Fix incorrect impossible check
* Fix heap-after-use error
* Remove impossible values when they are lowered
* Show the bound and remove overlaps
* Infer conditions
* Dont push pointer values through dynamic_cast
* Add test for dynamic_cast issue
* Add shifttoomanybits test
* Add test for div by zero
* Add a test for issue 9315
* Dont make impossible value inconclusive
* Fix FP with shift operator
* Improve handleKnownValuesInLoop for impossible values
* Fix cppcheck warning
* Fix impossible values for ctu
* Bailout for streams
* Check equality conditions
* Fix overflows
* Add regression test for 9332
* Remove duplicate conditions
* Skip impossible values for invalid value
* Check for null
* Rename bound to range
* Formatting
2019-09-20 15:06:37 +02:00
dc0b3527ad
Fix issue 9311: False positive duplicateCondition "same if condition" with pointer inside array of struct ( #2166 )
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* Check for typeOf through an array
* Handle array constructors
* Format
* Fix compile error on gcc 4.8
2019-09-10 19:41:35 +02:00
70cad280ea
Fix issue 9319: FP knownConditionTrueFalse related to aggregate initialization of struct ( #2147 )
2019-09-05 19:36:45 +02:00
9e140831eb
Fix issue 9329: FP knownConditionTrueFalse - vector modified by function calls ( #2145 )
2019-09-05 16:42:26 +02:00
ee7fe3aaa1
Fix FP: Unitialized variable when using a pointer
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This fixes the FP in cases like this:
```cpp
void f() {
bool b;
bool * x = &b;
if (x != nullptr)
x = 1;
}
```
It tracks the indirection of the uninit value in valueflow.
2019-08-17 07:36:41 +02:00
3e0d1141d3
Fix issue 9277: FP: Dont warn for knwon conditions in if constexpr ( #2085 )
2019-08-16 07:56:39 +02:00
0c1dff5c93
Fix issue 9268: false negative: (style) Condition '...' is always true ( #2080 )
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* Fix issue 9268: false negative: (style) Condition '...' is always true
* Fix copy and paste mistake
2019-08-14 06:34:27 +02:00
c0c6f92221
Fix issue 8431 and 8776: Size of constant string
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Fixes these cases:
```cpp
void f(void) {
const std::string msg="xyz";
if(!msg.empty()){} // Always true
}
```
And out of bounds access:
```cpp
#include <string>
char fstr1(){const std::string s = "<a><b>"; return s[42]; }
wchar_t fwstr1(){const std::wstring s = L"<a><b>"; return s[42]; }
```
2019-08-12 20:24:16 +02:00
aadc404958
Issue 8634: false negative: (style) Condition '...' is always true ( #2075 )
2019-08-12 11:04:01 +02:00
bd02ca5ccb
Fix issue 9207: Not detected 'always true' and unreachable code
2019-08-08 07:46:47 +02:00
ffdd2dc793
Fix issue 8924: Re-enable valueFlowTerminatingCondition
2019-08-05 07:18:06 +02:00
bb52a63c4e
Add check for const variables
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When a local reference is declared, this will check if that local reference can be declared as `const`.
2019-07-24 09:59:01 +02:00
0eedcfc160
Fixed #7464 (warn about opposite if and else-if conditions)
2019-06-30 23:26:49 +02:00
175070ca50
Revert "Fixed #8938 (FP identicalInnerCondition)"
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This reverts commit 0edf0b5628
2019-06-22 21:57:19 +02:00
57c6628732
Revert 'Cleaning up unsimplified templates'. This fix caused problems.
2019-05-16 21:11:04 +02:00
195da2b3d2
Fix issue 8993: False positive duplicateCondition related to auto ( #1831 )
2019-05-14 08:57:36 +02:00
d58d4273f9
Cleaning up unsimplified templates
2019-05-11 13:00:03 +02:00
0e8f2cdf63
Use multiline in testing
2019-04-28 07:48:38 +02:00
c4325bbec3
Fix issue 9103: False positive duplicateConditionAssign ( #1808 )
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* Fix issue 9103: False positive duplicateConditionAssign
* Update conditional message
2019-04-26 12:30:41 +02:00
76e13c45c7
temporarily disable duplicateConditionalAssign
2019-04-25 07:44:19 +02:00
0edf0b5628
Fixed #8938 (FP identicalInnerCondition)
2019-04-22 16:54:59 +02:00
648acd1cbf
astyle formatting
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[ci skip]
2019-04-18 20:21:00 +02:00
103002578d
Add check for duplicate condition and assignment ( #1799 )
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* Add check duplicate condition and expression
* Format
* Add assign token
* Add to classInfo
* Change note messages
2019-04-18 20:20:24 +02:00
774464eabb
Fix issue 8996: False positive duplicateCondition
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This fixes issue 8996 by improving the alias checking by using lifetime analysis. It also extends the lifetime checker to handle constructors and initializer lists for containers and arrays.
2019-03-19 06:25:10 +01:00
3dc34f1515
Disable all simplified checks
2019-03-16 09:17:50 +01:00
f40a80c349
Use 'normal' checking instead of 'simplified'
2019-03-16 07:19:48 +01:00
0ee3f678b5
Fix issue 8987: False positive knownConditionTrueFalse ( #1678 )
2019-02-20 15:28:31 +01:00
bd7790fd8c
Update copyright year
2019-02-09 07:24:06 +01:00
a05079fef7
Add regression test for #8780 ( #1619 )
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Ticket #8780 was fixed in b839ad60dd
2019-01-25 07:48:18 +01:00
8356ec6774
Add regression test for #6906 and #7284 ( #1614 )
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* Add regression test for #6906
Ticket #6906 was fixed in f65cf220ba#7284
Ticket #7284 was fixed in 5d1fdf7958
2019-01-23 09:09:03 +01:00
4b37f276c2
ValueFlow: Set arrays to true when converting to a boolean
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This sets it by checking the parent. It doesn't handle function parameters yet.
2019-01-21 20:05:35 +01:00
f7d85e9df2
Add regression test for #6904 ( #1611 )
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Ticket #6904 was fixed in 34dbc3c00c
2019-01-20 10:05:09 +01:00
738fef6c27
Run astyle
2019-01-12 21:51:39 +01:00
8dd641b8be
Use OVERRIDE in test
2019-01-12 15:45:25 +01:00
49bad106bb
Add regression test for 8168 ( #1588 )
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Ticket 8168 was fixed in 713f607168
2019-01-11 14:11:48 +01:00
5fa956a597
Fix issue 8932: False positive knownConditionTrueFalse - valueflow ignores operator < ( #1584 )
2019-01-11 08:39:23 +01:00
Paul Fultz II
Ken-Patrick Lehrmann
Daniel Marjamäki
Daniel Marjamäki
rikardfalkeborn
amai2012