2f51b975ed
valueFlowUninit: only check variables
2017-04-23 21:50:51 +02:00
25a1ea3d18
use simpleMatch for simple pattern
2017-04-23 19:25:35 +02:00
8a738eefab
fixed #7998 (uninitialized variable is not found when used with switch/case)
2017-04-23 18:05:14 +02:00
43454936e7
Fixed #8014 (FP: Uninitialized variable 'f(1,{..});')
2017-04-21 22:33:27 +02:00
3c8f5b85ae
Refactorization: Allocate Token::_values (ValueFlow information) dynamically, reducing size of each token by around 10%
2017-03-27 18:48:34 +02:00
2f0db369f0
Refactorization: Avoid construction of empty strings by using emptyString
2017-03-01 10:50:50 +01:00
6f1e7e897d
simplify if(tok && Token::{simple,}Match) to if(Token::{simple,}Match).
2017-02-06 15:37:12 +01:00
c8a450c9be
uninitvar: Fixed a FP seen in daca2
2016-12-25 22:43:29 +01:00
d79688c40b
Fixed #7822 (False positive for uninitialized variable if array type is used)
2016-12-21 23:11:11 +01:00
2f6350a0d0
Refactorized Library
2016-12-06 14:09:28 +01:00
b3ace258ab
there is no need to have "if(tok && Token::Match(tok,..." since Token::Match checks "tok" by itselfs already.
2016-11-26 17:22:30 +01:00
a81920cae1
checkunusedvar: Check pointer against NULL before dereferencing it.
2016-10-31 15:57:34 +01:00
bc32ccc894
CheckUninitVar::isFunctionParUsage: Avoid implicit conversion from type bool to int.
2016-10-29 21:41:55 +02:00
e1a21a8bb1
Fixed internal warnings
2016-10-08 11:34:25 +02:00
9f1b70fa04
new can initialize memory, don't warn in this case ( #7623 )
2016-10-08 10:03:09 +02:00
9711064b74
Fixed #6646 (False positive uninitvar - loopvariable initialized inside loop)
2016-08-04 14:39:54 +02:00
55b3f0bf38
Fixed #752 (SymbolDatabase: Does not match function if redundant keywords mismatch (C++))
2016-08-04 09:06:32 +02:00
2187e8ba02
CheckUninitVar: Fixed FP when dereferencing multidimensional arrays. Refactoring of testing. The FP was spotted when looking at #7092
2016-08-02 14:27:51 +02:00
dc2a92263a
Fixed #7426 (RFC: time to replace simplifyEnum?)
2016-04-22 06:02:54 +02:00
34b5e0ce99
Fixed #6873 (False positive uninitvar - variable initialized via pointer)
2016-02-07 18:48:57 +01:00
d3546ea410
#7321 segmentation fault in valueFlowSwitchVariableScope::isVariableDeclaration
2016-02-03 22:49:57 +01:00
50fc784550
Mapped error ids stlBoundaries, stlcstr, useAutoPointerContainer, useAutoPointerArray, sprintfOverlappingData, strPlusChar, shiftTooManyBits, integerOverflow, uninitstring, uninitdata, uninitvar, uninitStructMember, deadpointer, va_start_referencePassed, va_end_missing, va_list_usedBeforeStarted, va_start_subsequentCalls to their CWEs.
2016-02-03 12:53:23 +00:00
b908bb18a9
Fixed #5503 (FP: Uninitialized variable - initialize in in if and else branch)
2016-01-30 20:48:28 +01:00
996c9244d8
Update copyright year to 2007-2016.
2016-01-01 15:34:45 +02:00
f762affea0
Small refactoring: replace NULL by nullptr, remove redundant static keyword, Tokenizer::setVarId() uses const variable 'notstart'
2015-11-30 22:13:49 +01:00
e8522c7883
Small refactorizations:
...
- #include cleanup
- Use std::array instead of std::vector
- Do not create a stringstream to concatenate 4 strings
- Use std::cout instead of printf
2015-11-29 10:56:44 +01:00
d93cf96a29
Fixed #6769 (false positive: Uninitialized struct member: epoch.integer)
2015-11-22 16:20:46 +01:00
5f68f3ddf6
Fixed #6264 (FP: gimp: struct initialized via pointers to member variables)
2015-11-21 19:31:18 +01:00
fb0477affd
CheckUninitVar: Fixed false negatives when there are conditions
2015-11-21 10:00:21 +01:00
d301cf28ec
CheckUninitVar: Small logical fixes in conditions handling.
2015-11-21 08:32:25 +01:00
4d3e231bd0
Fixed #3948 (False positive: variable not initialised - used in multi-condition if-clause)
2015-11-19 13:09:45 +01:00
0f9d90d2be
Changed Copyrights. Removed my name.
2015-11-18 20:04:50 +01:00
5772bbd206
Fix Cppcheck warning 'explicit constructor'
2015-11-18 15:56:48 +01:00
6b9c12e806
CheckUninitVar: Refactoring and gcc-compatibility fix
2015-11-18 15:16:50 +01:00
e6ceae213e
CheckUninitVar: Improving multi-variable value handling
2015-11-18 14:56:45 +01:00
459a4e0cbe
Fixed #7121 (False positive 'Uninitialized variable' converting pointer to reference)
2015-11-10 10:18:24 +01:00
963008089d
Fixed false positive with range-based for-loop ( #7078 )
2015-10-28 16:37:46 +01:00
bfd8a69e74
Fixed #6243 (False positive: uninitialized variable, looping with goto)
2015-10-27 12:40:52 +01:00
e989d4b11b
Support C++11 array initialization in CheckUninitVar ( #7010 )
2015-10-24 12:06:40 +02:00
305760f143
Uninitialized variables: Fix FP for struct array
2015-09-16 14:42:55 +02:00
af233efcce
Uninitialized variables: tweaked checking of arrays / allocated buffers
2015-09-14 09:03:21 +02:00
2ddd4c7197
fix [lib/checkuninitvar.cpp:836]: (warning) Found simple pattern inside Token::Match() call: "&"
2015-09-13 17:54:53 +02:00
ab38ab800e
CheckUninitVar: don't rely on Tokenizer::simplifyKnownVar() to simplify references
2015-09-13 17:31:45 +02:00
ad007ca2d7
Uninitialized variables: better checking of arrays
2015-09-13 16:32:16 +02:00
6ddd0a953f
Fixed #6917 (False positive uninitvar - unused array declaration and ternary expression)
2015-08-29 13:19:28 +02:00
6fb19b02d0
Properly differentiate arrays of pointers and pointers to arrays.
2015-08-25 21:19:19 +02:00
ab8afec3eb
Refactorizations:
...
- Avoid unnecessary loop iterations
- Avoid unnecessary condition checking
- Reduced code duplication in symboldatabase.cpp
2015-08-16 14:23:07 +02:00
7ede9de502
Removed unused code. The isVariableUsed is used instead.
2015-08-15 07:43:39 +02:00
e71ab70356
Fixed #6871 (False positive uninitvar - pointer to uninitialized char[])
2015-08-08 14:52:46 +02:00
7ec8adeb93
Fixed #6701 (Uninitialized variable warning when header could not be found)
2015-08-08 08:53:08 +02:00
4bebb80300
Fixed #6869 (False positive: uninitvar, array passed to function)
2015-08-05 10:19:17 +02:00
e598b07a6d
Moved functions to astutils
2015-08-03 09:20:50 +02:00
acc1566f64
uninitvar: Improved condition handling. Fixes one problem when running 'tools/run_more_tests.sh test/testuninitvar.cpp'
2015-07-25 17:55:01 +02:00
234669b02b
Removed the UninitVar::analyseFunctions(). This was written for multifile checking however it did not work as it should => no multifile errors can be detected.
2015-07-24 08:30:38 +02:00
ea933e9873
CheckUninitVar: Removed ExecutionPath based checker
2015-07-23 17:28:18 +02:00
0b81a267f4
uninitvar: handling arrays in non-executionpath checker
2015-07-23 14:51:38 +02:00
8d8c03dad8
uninitvar: removed returns from new checking to fix 'more' tests. these returns should be readded when the executionpath checking is removed.
2015-07-23 09:21:53 +02:00
79067ac031
uninitvar: use new checking instead of executionpath in more tests. small improvements in new checking to fix testcases.
2015-07-23 08:46:59 +02:00
1de1aaa2f4
CheckUninitVar: Fix crash when AST is not created properly
2015-07-22 22:17:12 +02:00
1f5eea98b5
CheckUninitVar: Fix a FP reported for invalid code
2015-07-22 21:58:06 +02:00
42ed436e9d
Tweaks in uninitvar, small steps to make it possible to remove the ExecutionPath
2015-07-22 20:31:58 +02:00
bdd53b4142
Fixed false positive #6717
2015-07-21 12:13:59 +02:00
1604e751e5
Fix some compiler warnings which got introduced recently
2015-06-30 20:11:51 +02:00
4a47b8b3ae
Refactoring: Better distinguish between C and C++ in a few checks.
2015-06-28 16:49:16 +02:00
272cf27ec3
Improved constness of local variable, no functional changes.
2015-06-20 11:33:27 +02:00
02df692b0b
Fixed #4760 (false negative: (error) usage of uninitialized variable (struct member))
2015-06-19 18:21:46 +02:00
13c1c2c035
Refactoring (use const std::set for strings). Omit some matching for C++ stuff within C code.
2015-06-17 22:28:15 +02:00
3ce4e68ca6
Refactorization: Make use of do-loops to avoid redundant Token::Match() calls
2015-05-13 13:40:40 +02:00
da302b3912
Ticket #6680 : Members can be initialized by operator>>.
2015-05-10 14:27:15 +02:00
8d8fffb20f
#6651 Don't call member function on NULL pointer - even if call is "safe"
2015-04-17 08:47:59 +02:00
42f0955e3f
Move more setting checks out of loops and use const bools instead. Reorder a few related checks.
...
Follow up to eedcb6abcb
2015-04-10 14:31:19 +02:00
d563bd73f4
Fixed #6583 (False positive uninitvar - exit() ignored?!)
2015-04-08 15:35:04 +02:00
5f6aaa4573
Make the check slightly less convoluted
2015-03-20 11:03:11 +03:00
42c4aa1c49
Fixed #4880 (false negative: uninitialized variable, handling of conditional noreturn scopes)
2015-03-14 17:59:11 +01:00
89ec9058a8
Proper if-else-if chain for mutually exclusive conditions
2015-03-14 15:09:46 +03:00
b1e9d9b86f
Coverity CID 1270450: Removed redundant conditions
2015-02-17 19:32:59 +01:00
5517c22524
Omit redundant token match
2015-02-03 15:01:09 +03:00
789665dadf
Fixed #6455 : Show uninitvar even for const variables
2015-01-31 13:21:22 +01:00
b2835051df
Refactorization: Renamed Token::Match pattern %var% to %name%, implement new pattern %var% which is true if varId > 0.
2015-01-31 12:32:04 +01:00
0d151b45b5
Better support for funciton pointers in checkuninitvar.cpp ( #6404 )
2015-01-30 19:16:25 +01:00
ee046af20c
Fixed false positives #6450 and #6451
2015-01-23 19:38:39 +01:00
da35a74589
Fixed false negative: Passing uninitialized variable to stream ( #4673 )
2015-01-22 22:56:41 +01:00
da5a04f071
Fixed recently introduced FP in checkuninitvar.cpp if address of variable is passed to a function
2015-01-22 21:22:02 +01:00
f4d11a4209
Fixed false negatives on try and non-executable scopes in checkUninitVar, removed unnecessary function parameters
2015-01-22 13:55:19 +01:00
331a6b66be
Fixed internal message
2015-01-22 10:53:53 +01:00
7c60fe4aef
Fixed crash introduced by last commit.
2015-01-22 10:51:06 +01:00
7364cc8040
Fixed false positive in fityk: operator new calling constructor
2015-01-22 10:37:31 +01:00
60b2b655df
Support new/delete in new uninitialized variable checking; realloc() requires an initialized first argument.
2015-01-21 23:46:52 +01:00
c3e47f7eaa
Fixed false positive in CheckUninitVar and internal message
2015-01-21 22:26:44 +01:00
94c3c45350
CheckUninitVar: Use function information from library, bailout for '?'
2015-01-21 22:02:25 +01:00
ecb9d87e42
Fixed false positive: Bailout in checkuninitvar.cpp if setjmp is found
2015-01-21 16:49:34 +01:00
5334aaa25f
Refactorization:
...
- Removed a few unit tests of old uninitialized variable checking expecting other results than same test for new checking
- A few tweaks to new uninitvar checking to improve results when run on tests for old check
- switched some (TODO) tests to new check if the TODO is fixed
2015-01-21 16:17:58 +01:00
d8e282fe76
Refactorization: Made checkUninitVar::isVariableUsage() non-static
2015-01-21 13:52:03 +01:00
346532d312
Fixed false positives in CheckUninitVar::checkStruct()
2015-01-21 13:11:48 +01:00
54de731cac
Refactorized CheckUninitVar::checkScope(), fixed false negative
2015-01-21 12:20:03 +01:00
ba1c24ee65
Fixed #6422 (symbol database: put function flags into a single flag variable)
2015-01-08 05:45:31 +01:00
a87fb96eaf
Uninitialized variables: fix fp when 'a=((b)=c)' is used
2015-01-06 18:03:40 +01:00
f2e5fbd30d
Uninitialized variables: bailout when ({..}) are used to avoid fp. it can be handled better.
2015-01-06 07:44:04 +01:00
b3c2ea2c4f
CheckUninitVar: Fix fp for 'int x=2+x();' when x() is an unseen preprocessor macro
2015-01-04 11:13:20 +01:00
8dd569b9e1
Refactoring: Use AST in CheckUninitVar::isVariableUsage() to determine if & operator is address-of. This fixes FP in linux.
2015-01-04 09:23:24 +01:00
ff11ba9847
Updated copyright year to 2015
2015-01-03 12:14:58 +01:00
f24e1b82cf
astyle formatting
2014-12-20 18:47:40 +01:00
b8371ebd87
Revert 2e45df3b. Because there are FP.
2014-12-18 06:37:15 +01:00
cc7f69da54
fix two internal warnings:
...
[lib/checkuninitvar.cpp:1668]: (style) Call to 'Token::tokAt()' followed by 'Token::str()' can be simplified.
[lib/checkuninitvar.cpp:1669]: (style) Call to 'Token::tokAt()' followed by 'Token::str()' can be simplified.
2014-12-17 19:06:13 +01:00
2e45df3b72
Fixed #6341 : false negative uninitvar pattern "return foo ( %var%"
2014-12-17 17:43:31 +01:00
0b9d80c95d
Refactoring CheckUnusedFunctions so it uses new infrastructure for multifile analysis
2014-12-02 06:41:18 +01:00
a002654c47
Reverted refactoring 828417c for now. It caused a major slowdown in the unused functions checking.
2014-11-24 06:37:08 +01:00
051d42ae6b
astyle formatting
2014-11-20 14:20:09 +01:00
f5d804f71a
running astyle
2014-11-20 10:13:03 +01:00
828417c934
CheckUnusedFunction: Refactorings to use same infrastructure for whole program analysis as CheckUninitVar and CheckBufferOverrun
2014-11-15 18:44:23 +01:00
de7e9223b8
Fixed #6272 (Improve check: multifile checking in checkbufferoverrun)
2014-11-15 10:43:49 +01:00
b766071272
Fixed #4970 (false positive: conditionally initialized variable used in if-clause (git/notes.c))
2014-11-01 14:03:02 +01:00
41a54fceba
Fixed false positives about uninitialized member variables if variable has a default value ( #5500 )
2014-10-16 21:57:43 +02:00
bbbe2c1b94
Fixed #6169 (False positive: passing uninitialized struct buffer member to strncpy)
2014-09-15 15:58:21 +02:00
865a252c89
astyle formatting
...
[ci skip]
2014-09-14 10:29:12 +02:00
0b7281803e
Merge pull request #428 from Dmitry-Me/detectArrowAccessesViaUninitPtrs
...
Detect -> accesses on uninitialized pointers
2014-09-12 09:19:59 +02:00
a2b30c7801
Detect -> accesses on uninitialized pointers
2014-09-12 10:19:00 +04:00
f58a25bebd
Reorder checks, move declaration closer to where it's needed
2014-09-11 17:14:06 +04:00
0a1b8c22d6
Simplify null pointer handling
2014-09-09 13:11:41 +04:00
a8dc17c1d9
Fixed false positive #5566 .
2014-08-26 11:29:26 +02:00
8188578cf2
SymbolDatabase: Fixed handling of nested types for function arguments
...
Removed unnecessary loops between var->typeStartToken() and var->typeEndToken()
2014-08-19 11:55:00 +02:00
8130fda4ae
Implemented support for C++11 uniform initialization in several checks.
2014-08-05 16:11:42 +02:00
a2f776b1b7
Dead pointer: Added checking for dead pointer usage when pointer alias local variable that has gone out of scope.
2014-08-05 06:24:23 +02:00
b6a40fceb7
Fix some compiler warnings
2014-06-26 20:34:07 +02:00
d299cae5ef
Fixed typo in comment, no functional changes [ci-skip]
2014-05-23 22:31:01 +02:00
5fbd58d98d
Fixed messages of CheckInternal, fixed a false positive.
2014-05-18 20:39:52 +02:00
8cc1f664d8
Uninitialized member variable: Fixed false negative when struct is read
2014-05-10 20:20:55 +02:00
4c344adcf1
Uninitialized struct member: fixed false negative when struct assignment is seen
2014-05-10 19:56:44 +02:00
a202956471
Uninitvar: Refactoring. Use AST instead of token matching to see if variable is used in RHS of assignment.
2014-04-21 12:01:02 +02:00
04cd261ee2
Fixed #5664 (false positive: (error) Uninitialized variable: j (Comma operator in for loop))
2014-04-21 10:32:29 +02:00
c8ae1e4751
Fixed #5658 (false positive: (error) Uninitialized variable: s)
2014-04-10 15:59:37 +02:00
be0fcefe1d
Tabs to spaces.
...
[ci skip]
2014-03-20 09:02:14 +02:00
22a5881bee
Uninitialized variables: Experimental checking for passing const pointer to partially initialized struct to function. Ticket: #5586
2014-03-20 07:19:35 +01:00
8de4246713
Uninitialized variables: Improved handling of function calls when struct members are checked
2014-03-20 06:48:17 +01:00
b564986d5d
Added missing casts causing assertion failures on Windows ( #5391 )
...
-> Changed much more occurences, especially in preprocessor.cpp.
2014-03-18 21:41:47 +01:00
93341f4449
Use simple match where possible
...
Fixes these warnings found by "--enable=internal":
[lib/checkclass.cpp:972]: (warning) Found simple pattern inside Token::Match() call: "* *"
[lib/checkbufferoverrun.cpp:635]: (warning) Found simple pattern inside Token::Match() call: "."
[lib/checkbufferoverrun.cpp:1397]: (warning) Found simple pattern inside Token::Match() call: ";"
[lib/checksizeof.cpp:299]: (warning) Found simple pattern inside Token::Match() call: "."
[lib/checksizeof.cpp:301]: (warning) Found simple pattern inside Token::Match() call: ")"
[lib/checksizeof.cpp:303]: (warning) Found simple pattern inside Token::Match() call: "]"
[lib/checksizeof.cpp:318]: (warning) Found simple pattern inside Token::Match() call: ")"
[lib/checknullpointer.cpp:413]: (warning) Found simple pattern inside Token::Match() call: "delete"
[lib/checkio.cpp:1336]: (warning) Found simple pattern inside Token::Match() call: "> ("
[lib/checkstl.cpp:1509]: (warning) Found simple pattern inside Token::findmatch() call: ";"
[lib/checkstl.cpp:1512]: (warning) Found simple pattern inside Token::findmatch() call: ";"
[lib/checkstl.cpp:1594]: (warning) Found simple pattern inside Token::Match() call: "="
[lib/checkstl.cpp:1598]: (warning) Found simple pattern inside Token::Match() call: "] ="
[lib/checkunusedvar.cpp:755]: (warning) Found simple pattern inside Token::Match() call: "goto"
[lib/checkunusedvar.cpp:793]: (warning) Found simple pattern inside Token::Match() call: "="
[lib/checkuninitvar.cpp:376]: (warning) Found simple pattern inside Token::Match() call: "> ("
[lib/checkother.cpp:86]: (warning) Found simple pattern inside Token::Match() call: "> ("
[lib/checkother.cpp:2181]: (warning) Found simple pattern inside Token::Match() call: "> {"
[lib/valueflow.cpp:54]: (warning) Found simple pattern inside Token::Match() call: "&"
[lib/valueflow.cpp:409]: (warning) Found simple pattern inside Token::Match() call: "do"
[lib/valueflow.cpp:425]: (warning) Found simple pattern inside Token::Match() call: ") {"
[lib/valueflow.cpp:487]: (warning) Found simple pattern inside Token::Match() call: ") {"
[lib/valueflow.cpp:511]: (warning) Found simple pattern inside Token::Match() call: "} else {"
[lib/valueflow.cpp:615]: (warning) Found simple pattern inside Token::Match() call: "for ("
[lib/symboldatabase.cpp:80]: (warning) Found simple pattern inside Token::Match() call: "= {"
[lib/symboldatabase.cpp:1069]: (warning) Found simple pattern inside Token::Match() call: "std ::"
[lib/tokenize.cpp:2207]: (warning) Found simple pattern inside Token::Match() call: "< >"
[lib/tokenize.cpp:2730]: (warning) Found simple pattern inside Token::Match() call: ";"
[lib/tokenize.cpp:4234]: (warning) Found simple pattern inside Token::Match() call: "try {"
[lib/tokenize.cpp:4235]: (warning) Found simple pattern inside Token::Match() call: "} catch ("
[lib/tokenize.cpp:5500]: (warning) Found simple pattern inside Token::Match() call: "INT8"
[lib/tokenize.cpp:5752]: (warning) Found simple pattern inside Token::Match() call: "}"
[lib/tokenize.cpp:5752]: (warning) Found simple pattern inside Token::Match() call: "do"
2014-03-14 16:27:47 +01:00
fb5c2d4b48
use nullptr in lib/checkother.cpp
2014-02-15 08:46:28 +01:00
fd3a8a2a18
Update copyright
2014-02-15 07:45:39 +01:00
bc9ad08831
Fixed #5245 (false positive: Uninitialized variable (assignment inside ternary operator))
2014-01-25 10:12:50 +01:00
e45a2e2c61
Fixed #5347 (False positive: uninitialized variable (try catch))
2014-01-14 06:24:09 +01:00
6182394966
Uninitialized variables: Fixed false positive taking value of pointer that is allocated but not initialized
2013-12-25 14:00:27 +01:00
26dfddac6b
UninitVar: Fixed false positive when checking if allocated pointer is null
2013-12-24 12:48:17 +01:00
753559fff3
Uninitialized variables: Don't warn about try/catch exception variables
2013-12-24 07:39:15 +01:00
661784a170
Fixed #5255 (False positive (error) Uninitialized variable: ptr2 - calling a static member function)
2013-12-23 16:50:27 +01:00
e2fa6a291c
Uninitialized variables: Fixed false negatives for loop variables / pointer dereference
2013-12-23 12:27:00 +01:00
80dec5a976
Uninitialized variables: Fixed FP when taking address of uninitialized variable
2013-12-13 20:10:22 +01:00
7fe923bfc5
Uninitialized variables: Fixed FP when the variable is initialized in do-while condition
2013-12-13 13:27:01 +01:00
3e6fbc6517
Fixed uninitialized variable FP after realloc if it fails. Related with ticket: #5240
2013-12-13 07:15:59 +01:00
35189e80f2
Uninitialized variables: Fixed false positive for '*p=..'
2013-12-12 15:33:31 +01:00
7321f92eff
CheckUninitVar: Fix Coverity warning about possible null pointer.
2013-12-12 12:36:49 +01:00
Daniel Marjamäki
PKEuS
Matthias Krüger
PKEuS
orbitcowboy
Harald Scheidl
Robert Reif
Alexander Mai
Roberto Martelloni
Lauri Nurmi
Simon Martin
PKEuS
Martin Ettl
PKEuS
Dmitry-Me
orbitcowboy
Frank Zingsheim
XhmikosR
Thomas Jarosch