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
1b86615a69
Uninitialized variables: Fixed false positive for 'p=malloc; if (p) {}'
2013-12-12 11:44:07 +01:00
4e7594748d
Uninitialized variables: Fixed false positive for 'p=malloc; if (python tools/daca2.py b)'
2013-12-12 09:17:41 +01:00
9f62740e1d
Fixed #5236 (varid 0: vlc: src/misc/objects.c:126)
2013-12-12 08:44:00 +01:00
a4f9cb78d5
Uninitialized variables: Fixed false positives when passing allocated pointer to function
2013-12-11 05:54:42 +01:00
ef15e40de5
Uninitialized variables: error when passing uninit pointer to function
2013-12-10 18:36:16 +01:00
be5c00d215
Uninitialized variables: check function arguments
2013-12-09 15:58:42 +01:00
14a00046a3
Fixed #5207 (Struct uninitialized members useage is not giving error (malloc).)
2013-12-04 20:32:20 +01:00
d8b25da73c
Fixed #4740 (False Positive: Uninitialised variable 'int *a[2][19]; int **b = a[0];')
2013-11-25 06:38:23 +01:00
7fc07989a7
UninitVar: Fixed false positive 'data is allocated but not initialized' when there is assignment
2013-11-23 10:24:29 +01:00
71e61fb1ed
Uninitialized variables: Fixed false positive when using ?:
2013-11-17 12:42:53 +01:00
77e09d72a1
Uninitialized variables: Fixed false negatives when using ({})
2013-11-17 12:11:18 +01:00
d342387b95
Uninitialized var: Fixed false negatives for self assignment
2013-11-16 18:07:33 +01:00
cfd6b0c384
UninitVar: fixed false negatives for function calls
2013-11-16 12:02:21 +01:00
85b41059c5
astyle formatting
2013-11-10 15:49:53 +01:00
185b88c6e3
Ticket #5073 : Don't crash upon invalid do-while loop.
2013-11-08 23:13:21 +01:00
86358694fb
Uninitvar: Added comment to clarify that the old logic for function calls has been removed because it had FP and the 'same' checking in the new checker will be used to catch these errors instead.
2013-10-26 18:46:06 +02:00
51ad9ab6ac
Fixed #4896 (FP Uninitialized variable on template function)
2013-10-26 18:39:40 +02:00
ed565f1ab1
- Fix comment
2013-10-12 13:49:35 -03:00
c37ba4cbcf
- Fixed false positive when using typeof/__alignof__
2013-10-12 13:46:14 -03:00
2762a30e48
Prefer prefix operator.
2013-10-01 09:20:19 +03:00
e3b7bce72b
Fixed #4907 (False positive 'uninitStructMember' on structs with unions)
2013-09-30 06:35:31 +02:00
698e9e2b59
reverted ee14ea4f. I think this fix was too generic. If there is a union in the struct then only the union members should be skipped.
2013-09-23 17:52:42 +02:00
ee14ea4fc2
Fixed #4907 (False positive "uninitStructMember" on structs with unions)
2013-09-23 07:20:20 +02:00
64454068ec
Fixed #4934 (false positive: Uninitialized variable (loop with inner condition '(x=1)'))
2013-09-23 06:07:01 +02:00
894f537eba
Remove warnings emitted by clang's -Wsign-conversion
2013-09-22 13:22:52 +02:00
acd65a6829
Fixed #4991 : False Positive - Dangerous usage of 'arr' (not null-terminated)
2013-08-29 08:12:05 -03:00
7a324cef25
Fixed various Cppcheck inconclusive warnings
2013-07-30 12:52:27 +02:00
2a1af1acda
CheckUninitVar: Assertion for '} while (' after 'do {..' in debug builds. Bail out in release builds to avoid segfaults.
2013-07-28 12:41:38 +02:00
9c67af058a
SymbolDatabase: Renamed Variable::varId() to Variable::declarationId() to make it more clear how it works.
2013-07-20 12:31:04 +02:00
7443883b9c
Library: Improved handling in CheckNullPointer::parseFunctionCall for Library data
2013-07-15 18:55:40 +02:00
66d8fa62d1
Library: added init attribute to <alloc>
2013-07-15 08:44:00 +02:00
8f332af849
Uninitialized variables: Avoid FP when using '?:'
2013-07-10 16:44:35 +02:00
2875ee1ecf
astyle formatting
2013-07-07 10:26:20 +02:00
2ef0a40aec
Fixed #4893 (FP Uninitialized variable on sizeof of itself)
2013-07-06 08:52:47 +02:00
ef83525cd0
CheckUninitVar: Fixed GCC warning
2013-07-04 07:58:30 +02:00
ba23b65179
Fixed #4885 (FP Uninitialized variable when using comma)
2013-06-29 09:33:51 +02:00
6997d38881
Uninitialized variables: fixed false positive in while loop
2013-06-27 18:28:00 +02:00
6b01d2d5a8
Fixed #4747 (Can not find uninitialized variable (variable used in rhs in assignment))
2013-06-27 16:53:15 +02:00
9624a89b34
Uninitialized variables: improved debug warning when bailing out
2013-06-26 20:59:08 +02:00
2265c61734
Fixed #4879 (false positive: uninitialized variable in inner for inside while (regression))
2013-06-26 17:02:57 +02:00
cfd960d794
Fixed #3765 (false negative: unitialized variable)
2013-06-25 18:40:41 +02:00
ae36472a1b
Fixed #4778 (FP: Uninitialized variable: av)
2013-06-14 07:21:53 +02:00
065853a59a
Fixed #4652 (False positive: variable value tracking into loop body)
2013-05-29 16:16:12 +02:00
bca751b9f4
Fixed #4773 (Regression: wrong detection of unitialized variable)
2013-05-06 18:45:00 +02:00
bfb1bc50e3
Fixed #4760 (false negative: (error) usage of uninitialized variable (struct member))
2013-05-02 20:34:15 +02:00
44cb070e13
Fixed #4737 (False positive: Uninitialized variable 'do_something(&((char*)&var)[0],1);')
2013-05-01 13:52:28 +02:00
7fdaba43ed
Uninitialized variables: Fixed fp when initializing struct with function in loop body
2013-04-10 20:46:44 +02:00
96a5429cee
Uninitialized variables: Assume that function initializes struct if it is unknown if it does
2013-04-10 20:04:32 +02:00
4c8b17c040
Fixed #4717 (False positive: Uninitialized variable inside ({..}))
2013-04-09 17:02:11 +02:00
0a17829021
removed extra newline
2013-04-08 19:52:48 +02:00
894a2435ae
Fixed #4718 (False positive: unititialized variable (value flow))
2013-04-08 19:34:39 +02:00
c9469993e2
Uninitialized variables: Fixed false positives when using sizeof inside loop
2013-03-22 08:10:46 +01:00
a79354d51c
Uninitialized variables: Fixed false positive when taking address of uninitialized array that is a struct member
2013-03-20 16:59:45 +01:00
1f04e2c228
Fixed #4439 (False positive: Uninitialized variable (casting address))
2013-03-13 17:32:47 +01:00
66a3555897
Implement initial support for Types in Symboldatabase:
...
- For each class/struct/union, a Type instance is added to SymbolDatabase::typeList.
- A scope is no longer created for declared but not defined types
Fixed name detection for classes when they are declared like this: "class ::Foo::Sub {..."
2013-03-05 04:33:38 -08:00
0105f8223c
Simplified several Token::Match/simpleMatch calls when match string consists of a single pattern
...
Fixed two CheckInternal error messages
2013-03-01 03:42:04 -08:00
f899e6ca30
Changed behaviour of %op% pattern accordingly to changes to Token::isOp(). Added %cop% as replacement for old %op%
2013-03-01 02:43:59 -08:00
670c4de8a9
Changed behaviour of Token::is*Op() functions:
...
- Rename Token::isOp() to Token::isConstOp() (indicating that the operator does _not_ modify the input variables)
- Create new Token::isOp(), returning true also for ++, -- and assignment operators
- Make Token::isExtendedOp() returning also true for all assignment and ++/-- operators
2013-02-28 12:50:29 -08:00
ee435bf885
Fixed #4600 (False positive Uninitialized struct member when using it as 'out parameter')
2013-02-23 15:57:58 +01:00
382d7a10e8
Uninitialized variables: improved checking of c++ code
2013-02-15 18:13:47 +01:00
72a40b4da4
Use Token::simpleMatch for simple patterns
...
"internal" check reported:
[lib/checkuninitvar.cpp:1101]: (warning) Found simple pattern inside Token::Match() call: "if ("
2013-02-14 12:35:13 +01:00
28e38a9e56
Fixed #4519 (false positive: (error) Uninitialized variable: eax (inline assembly usage))
2013-02-12 15:59:23 +01:00
442db6cdf9
Fixed #4569 (False Positive: Uninitialised variable)
2013-02-11 18:31:14 +01:00
94f1d34dcb
Fixed #4560 (false positive: (error) Uninitialized variable: s)
2013-02-11 17:05:59 +01:00
b660cf89ef
astyle formatting
2013-02-10 23:53:01 +01:00
dfd557888d
Fixed #4565 (false positive: dangerous usage (not null-terminated))
2013-02-10 13:36:40 +01:00
4ac5648656
Uninitialized struct: Fixed false positive in for loop
2013-02-05 17:01:46 +01:00
9124847211
Uninitialized variable: Refactoring. Use Token::variable() instead of symboldatabase lookup. Ticket: #4535
2013-02-02 16:27:12 +01:00
9c8d600ca9
Uninitialized variables: Refactor CheckUninitVar::isVariableUsage
2013-02-02 15:21:54 +01:00
a04f7b1a94
CheckNullPointer::isPointerDeRef: Refactoring - use tok->variable(). Ticket: #4535
2013-02-01 19:10:14 +01:00
ec1c86c152
Symbol database: more function/variable cleanup. Ticket: #4494
2013-01-31 06:41:18 +01:00
3679a809dd
Uninitialized variables: fixed false positive
2013-01-28 18:08:20 +01:00
859793731d
SymbolDatabase: Refactor findFunction handling. Ticket: #4494
2013-01-28 06:47:48 +01:00
8738223e82
Fixed #4512 (Improve check: Uninitialized variable not detected)
2013-01-26 08:16:53 +01:00
04ceae7ea7
Uninitialized variables: minor refactorings
2013-01-26 07:28:11 +01:00
ae43b12bf1
Fixed #4511 (False positive: uninitialized struct member)
2013-01-25 18:20:57 +01:00
c235737b6c
Uninitialized variables: improved checking of loops
2013-01-24 19:41:15 +01:00
76534ccd1b
Uninitialized struct member: Fixed false negatives for return statements
2013-01-20 17:54:32 +01:00
e63f2c3b5b
Uninitialized struct member: Avoid false positive when struct member is passed by address
2013-01-20 13:12:40 +01:00
f1c195e652
Fixed #3506 (false negative: not initialized variables ( struct timeval))
2013-01-19 12:48:56 +01:00
7c4f0e594b
astyle formatting
2013-01-19 11:49:35 +01:00
3cf0e88fbe
Uninitialized struct members: Improved checking when struct member is used in expression
2013-01-19 10:09:58 +01:00
7c615f0f12
Fixed #4497 (False positive: uninitialized struct (writing/reading member))
2013-01-18 21:26:28 +01:00
c59dab2738
uninitialized struct member: changed severity from warning to error since it is UB
2013-01-17 23:18:37 +01:00
2c6b383822
Uninitialized member variables: Improvements
2013-01-17 21:04:22 +01:00
e32ab4bf65
uninitialized struct members: improved fix
2013-01-17 17:21:21 +01:00
93fb6b0c6a
Fixed #4493 (FP: uninit struct member (struct is assigned))
2013-01-17 17:01:04 +01:00
PKEuS
Robert Reif
Daniel Marjamäki
Matthias Krüger
orbitcowboy
Frank Zingsheim
PKEuS
Dmitry-Me
Alexander Mai
XhmikosR
Thomas Jarosch
Simon Martin
Felipe Pena
Lucas Manuel Rodriguez
Mathias De Maré