Commit Graph

264 Commits

Author SHA1 Message Date
Thomas Jarosch 332254e0af Make patterns compilable (mini refactoring) 2015-01-09 23:43:45 +01:00
Daniel Marjamäki 6a8293a8b7 Library: More strict matching of functions 2015-01-08 19:31:41 +01:00
Robert Reif ba1c24ee65 Fixed #6422 (symbol database: put function flags into a single flag variable) 2015-01-08 05:45:31 +01:00
Daniel Marjamäki fe8d04e840 CheckNullPointer: Fix FP when x is NULL and address is calculated with expression '&x->y.z[0]' 2015-01-05 14:54:24 +01:00
Daniel Marjamäki ff11ba9847 Updated copyright year to 2015 2015-01-03 12:14:58 +01:00
PKEuS c4fd8919a2 Fixed #6014: Added plausibility check before issuing null pointer messages on function calls defined in library 2015-01-02 13:35:39 +01:00
PKEuS 8b59c39c42 Refactorization: Removed whitespaces at the end of Token::Match patterns 2014-12-27 11:09:54 +01:00
PKEuS 079f495455 Added missing relational operators to pattern, as suggested in #6189 2014-10-16 20:37:21 +02:00
PKEuS a99fd364ef Restored functionality to detect std::string(0) calls as null pointer dereferences (#6189) 2014-10-16 19:12:02 +02:00
Alexander Mai 21c85118d6 #6189 assign with operator= a '\0' to a std::string is not an error 2014-09-26 20:40:44 +02:00
Dmitry-Me a2b30c7801 Detect -> accesses on uninitialized pointers 2014-09-12 10:19:00 +04:00
Dmitry-Me f7824bfd00 CheckNullPointer::isPointerDeRef: Improve handling of static member variables and functions 2014-09-09 05:36:09 +02:00
PKEuS e8f7279039 Refactorization: Moved detection of STL strings to SymbolDatabase 2014-09-05 12:03:08 +02:00
PKEuS 5483c8ed5e Removed obsolete function from checkNullPointer 2014-08-18 11:42:50 +02:00
Daniel Marjamäki 76510e0006 null pointer: perform proper null pointer checking when no --enable=warning is given. 2014-08-16 12:48:20 +02:00
amai2012 0ddd7752b5 Avoid crash reported in #5943 (using the example from duplicate ticket #5971)
Replace a few size_t/unsigned int by std::size_t
2014-07-06 14:48:24 +02:00
PKEuS ac4e727da7 Removed redundant code (replaced by libaries, should fix #5934). 2014-06-24 21:57:19 +02:00
Daniel Marjamäki f78cbda2db Refactoring: Removed CheckNullPointer::nullPointerByCheckAndDeRef and implemented needed analysis in ValueFlow instead. 2014-06-22 10:02:14 +02:00
PKEuS 9dd4ac68c0 Refactorization in CheckNullPointer:
- Use AST to detect dereferences
- Added more unit tests
- Removed handling of unknown constructs in CheckNullPointer::isPointerDeRef()

Added link to verbose message cstyleCast.
2014-05-22 19:48:00 +02:00
orbitcowboy ac8d283afb Fixed CID 1214638: Dereference before null check (REVERSE_INULL). 2014-05-12 17:18:51 +02:00
Alexander Mai 91e7116de1 Fix regression from first attempt fixing #5811 (9dce9bddcb) 2014-05-17 19:14:29 +02:00
Alexander Mai 9dce9bddcb #5811 false postive: (error) Null pointer dereference 2014-05-17 18:18:20 +02:00
Daniel Marjamäki a6557f8c74 Null pointer: Fixed false positive discovered by Travis when self-checking cppcheck 2014-04-02 19:39:42 +02:00
PKEuS a01bfcb62d Fixed a few cppcheck messages 2014-03-28 18:55:16 +01:00
PKEuS 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
Daniel Marjamäki 01c29ed15f Fixed #5518 (FP regression in 1.64: Array accessed out of bounds) 2014-03-18 17:04:33 +01:00
Thomas Jarosch 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
Lauri Nurmi 70a67eaf85 Change some more 0 literals into nullptr. 2014-02-16 13:38:50 +02:00
Daniel Marjamäki 68119f0230 use nullptr in lib/checknullpointer.cpp 2014-02-15 16:12:37 +01:00
Daniel Marjamäki fd3a8a2a18 Update copyright 2014-02-15 07:45:39 +01:00
Lucas Manuel Rodriguez 828609bb11 Fixed two doxygen errors - http://cppcheck.sourceforge.net/devinfo/doxygen-errors.txt 2014-02-09 16:46:49 -03:00
Lucas Manuel Rodriguez ad0269eeeb Refactor checks using Variable::isStlType() 2014-01-30 01:26:48 -03:00
Daniel Marjamäki 0c47555423 CheckNullPointer: use library instead of hard coded info 2014-01-26 16:19:49 +01:00
Daniel Marjamäki 1d7bb05faf Remove ExecutionPath from CheckNullPointer 2014-01-22 20:24:51 +01:00
Daniel Marjamäki f3f7e6d302 value flow: replacing executionpath checking of null pointers 2014-01-22 20:16:31 +01:00
Daniel Marjamäki 43db1ee797 value flow: use more specific bailouts when analysing value flow after assignment 2014-01-22 06:38:25 +01:00
Daniel Marjamäki a84fdf98cc Null pointer: remove old checking that is replaced by value flow checking 2014-01-21 19:50:52 +01:00
Daniel Marjamäki 69109784e8 value flow: cleanup usage of valueflow. utility function Token::getValue was added. 2014-01-20 06:49:45 +01:00
Daniel Marjamäki 30cae358d8 Removed the --value-flow flag. ValueFlow analysis will always be enabled from now on. 2014-01-17 18:07:05 +01:00
Daniel Marjamäki 5721e1d745 CheckNullPointer: Removed some of the old checking that doesn't use ValueFlow 2014-01-17 17:47:59 +01:00
Daniel Marjamäki bfc67a536a value flow: fixed fp when self-checking checkbool.cpp. added some comments. 2014-01-13 06:15:21 +01:00
Daniel Marjamäki f6c7be91a9 Fixed cppcheck warning 2014-01-12 21:19:20 +01:00
Daniel Marjamäki 8b6f001f94 value flow: inconclusive handling of unknown functions 2014-01-12 19:48:20 +01:00
Daniel Marjamäki 5d2a39b580 CheckNullPointer: improved function call checking when new value flow analysis is used 2014-01-12 19:27:26 +01:00
Daniel Marjamäki 02b92efd1a value flow: improved analysis of expressions below ?, && and || operators 2014-01-11 12:44:55 +01:00
Daniel Marjamäki 7c4a7ac3d5 value flow: starting to refactor CheckNullPointer::nullPointerDeRefThenCheck 2014-01-08 17:37:39 +01:00
Daniel Marjamäki 7125682d1a Fixed #5274 (TokenList: macro handling) 2014-01-03 18:53:37 +01:00
Daniel Marjamäki abdd29fce3 fixed FP when passing uninitialized buffer as 2nd argument to itoa 2013-12-13 07:51:33 +01:00
Daniel Marjamäki 20b84fcdee Null pointers: Don't warn when first argument to freopen() is NULL 2013-11-08 13:22:07 +01:00
Daniel Marjamäki 7996d609be Fixed #5108 (false positive: uninitialized variable (assignment in function parameter)) 2013-11-04 23:09:15 +01:00