Commit Graph

185 Commits

Author SHA1 Message Date
Paul Fultz II 2a657cfd08 Check for double frees when using smart pointers (#1172)
* Check for double frees when using smart pointers

* Some updates from feedback

* Add test for mismatch allocation

* Constants

* Check smart pointer deleter

* Switch order

* Use next

* Add owned state

* Fix handling of leaks

* Use ast for checking addressof operator

* Remove stray character

* Add a test for mismatch allocator

* Add another test for deallocating with custom function
2018-04-16 11:11:13 +02:00
PKEuS d2146844dd Refactorizations:
- Replace several push_back-calls by emplace_back
- Replace some x = x.substr(0, y) calls by x.erase(y)
2018-04-11 09:44:35 +02:00
jrp2014 b6504c70ca Improve constness 2018-04-04 21:51:31 +02:00
Daniel Marjamäki 7e4dba6a7e Updated copyright year 2018-03-31 20:59:09 +02:00
Daniel Marjamäki e65a5529ad astyle formatting
[ci skip]
2018-03-24 12:30:11 +01:00
Paul 43be20a824 Check more opposite conditions 2018-03-24 07:58:37 +01:00
Daniel Marjamäki c4caee6b18 Updated copyright year 2018-01-14 15:37:52 +01:00
Daniel Marjamäki 1656ecd73b Revert changes I committed by mistake 2017-10-11 17:15:28 +02:00
Daniel Marjamäki cc82288ff6 Travis: Suppress false positive 2017-10-11 17:14:02 +02:00
Daniel Marjamäki b81b4fcb78 Fixed #8208 (CheckCondition: Use Library to determine if function is const) 2017-09-08 18:08:32 +02:00
Daniel Marjamäki 9eed9adf3c Fixed CID 1361393, logically dead code in return statement 2017-09-02 10:49:29 +02:00
Dmitry-Me 7bd3dc5da6 Simplify array access with references 2017-08-28 18:19:03 +03:00
Ayaz Salikhov b8cd7dbb5c Use nullptr instead of 0 or NULL (#936) 2017-08-09 20:00:26 +02:00
uburuntu f4ce49d883 ENH: perfomance: using clear() and empty() more faster for stl containers 2017-06-02 22:38:00 +04:00
Ayaz Salikhov 28aa939d69 iwyu - include what you use 2017-05-27 04:33:47 +02:00
Daniel Marjamäki 1faca91c1d Added 'endsWith' utility function. This will make compiling the democlient easier. 2017-04-01 18:14:18 +02:00
PKEuS 2938278f00 Refactorization: Store minsizes in vector instead of list which has less overhead 2017-03-27 17:53:43 +02:00
PKEuS 92414b923a Library: Support variadic functions which are not a formatstr-function 2017-03-14 17:41:34 +01:00
PKEuS 2f0db369f0 Refactorization: Avoid construction of empty strings by using emptyString 2017-03-01 10:50:50 +01:00
PKEuS 40401534d7 Refactorized Library 2016-12-06 14:50:27 +01:00
PKEuS 2f6350a0d0 Refactorized Library 2016-12-06 14:09:28 +01:00
PKEuS 6e8ac13325 Refactorization:
- Optimized std::string usage
- Replaced list by vector
- Moved iterator into loop head
- Ran AStyle
2016-12-05 17:45:34 +01:00
PKEuS d665641a76 Refactorizations:
- use std::string::pop_back() and std::string::back()
- pass argument as const std::string&
- Moved iterator into for loop head
2016-12-05 14:50:01 +01:00
Daniel Marjamäki 0e9810b7f6 CheckStl: validation of iterators returned from functions 2016-11-01 14:08:42 +01:00
Daniel Marjamäki 08a618c476 Library: Add <iterator> element in <function> <arg>. Not used by any checks yet. 2016-10-25 23:07:18 +02:00
Daniel Marjamäki f973a9a9d5 SymbolDatabase: Refactoring handling of library-function return type 2016-10-23 23:20:36 +02:00
Daniel Marjamäki c8f831b70d Library: Allow that type of function return is specified. Fixes #7668. 2016-10-23 23:04:15 +02:00
Daniel Marjamäki fae4a4dacf Fixed #7668 (ValueFlow: return value from abs) 2016-10-17 13:05:19 +02:00
Daniel Marjamäki 03a6282ab3 Fixed #7338 (Library: method in base class) 2016-09-04 14:14:21 +02:00
Daniel Marjamäki 789aef7fde Fixed #4920 (Microsoft ATL/MFC CString::Format argument checking) 2016-08-19 17:36:27 +02:00
Daniel Marjamäki 095b2f73f7 Library: look for cfg files in more paths, include exepath even if CFGDIR is used. 2016-08-01 12:58:33 +02:00
PKEuS ded8d80b23 Library: Support arguments with default value. Fixed default value handling for <container> tags broken in last commit. 2016-07-09 12:44:17 +02:00
PKEuS b5d3ecb942 Updated TinyXML, make use of second argument of XMLElement::Attribute() 2016-07-09 11:56:07 +02:00
PKEuS 64d2fd2f57 Added new attribute "arg" to <alloc> and <dealloc> to specify the argument that is allocated/deallocated.
This fixes several issues with allocation functions in windows.cfg, such as HeapAlloc() and VirtualAllocEx() (#7503)
2016-05-22 17:19:14 +02:00
Lauri Nurmi 996c9244d8 Update copyright year to 2007-2016. 2016-01-01 15:34:45 +02:00
Alexander Mai 9d8dffbd79 #6269 false positives in case of overloaded standard library functions. Detect memset() with proper argument cound, using new function numberOfArguments() 2015-12-06 12:50:05 +01:00
PKEuS 70767a30c4 Small refactorizations:
- Avoid calling c_str() for functions that take std::string
- Avoid copying std::list
2015-12-03 14:19:30 +01:00
PKEuS 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
PKEuS 57d1196386 Replaced CheckNonReentrantFunctions and CheckObsoleteFunctions by generic CheckFunctions which is based on Library (#6529) 2015-11-22 09:18:07 +01:00
PKEuS 6590d46013 Added missing functionality to <container> elements in Librarie, completed STL container definitions in std.cfg 2015-11-20 18:22:55 +01:00
PKEuS 53b2eca983 Reimplemented CheckStl::stlBoundaries() based on Libraries; Added support for iterators to libraries 2015-11-20 15:53:14 +01:00
Daniel Marjamäki 0f9d90d2be Changed Copyrights. Removed my name. 2015-11-18 20:04:50 +01:00
Daniel Marjamäki 2a4cceae9e Library: Refactor handling of comma-separated names 2015-11-15 15:24:10 +01:00
Daniel Marjamäki f5bd00f153 Library: return true from Library::isnullargbad() for format string arguments. Related with #7012. 2015-10-03 20:51:45 +02:00
Daniel Marjamäki 28e3c266b3 Fixed #7012 (False positive uninitvar - first argument to snprintf) 2015-10-03 18:35:16 +02:00
Dmitry-Me ca75096141 Eliminate duplicate find() calls 2015-08-27 11:19:51 +03:00
Daniel Marjamäki 7bb9d2d2f3 minor tweak. use isNotLibraryFunction in Library to prevent false matches 2015-08-15 16:48:30 +02:00
PKEuS b77912a0b5 Support namespaces in CheckOther::checkIgnoredReturnValue() 2015-08-15 12:19:14 +02:00
PKEuS ebfdacb0d3 Introduced .cfg file format version to 2 (to prevent older cppcheck versions from failing silently when reading them), because 5b287fc849 introduced a backward-incompatible feature.
Increased format version of std.cfg, which is the only cfg file that makes use of the new backward incompatible feature.

Refactorization: Avoid a redundant std::string::find()-call
2015-08-11 14:05:01 +02:00
Daniel Marjamäki a70c57daa2 Library: move Library::alloc and Library::dealloc from header to cpp file and use the functionName utility function 2015-08-10 18:36:09 +02:00
Daniel Marjamäki 3a1a34751f Library: Initial handling of method calls 2015-08-10 09:41:06 +02:00
Daniel Marjamäki 5b287fc849 Library: The <function> name attribute can now have a comma separated list of names 2015-08-09 21:27:57 +02:00
Daniel Marjamäki 06110689a6 Replace Token::Match with Token::simpleMatch 2015-08-09 20:07:38 +02:00
Daniel Marjamäki b70fe4c609 Fixed #6711 (Add namespace support to library files) 2015-08-09 19:55:33 +02:00
PKEuS 7f2b6881b3 Refactorization: Avoid including path.h in (almost) every source file (via library.h) 2015-03-11 22:54:45 +01:00
PKEuS 3d2e26daeb Small Refactorizations:
- Removed #include "symboldatabase.h" from library.h
- Moved variable to inner scope in tokenize.cpp
- Removed unnecessary variable in tokenize.cpp
2015-03-11 20:52:54 +01:00
Daniel Marjamäki 2d8a6c7b89 Fixed #6571 (Library::isNotLibraryFunction: Return true for methods) 2015-03-08 16:13:32 +01:00
Daniel Marjamäki 830f656a25 Library: variables are not library functions (variable declarations can look like function calls) 2015-03-01 11:46:43 +01:00
PKEuS 9dfb864522 Fixed two nullpointer messages in cppcheck 2015-02-01 15:21:09 +01:00
Daniel Marjamäki 73113c67e7 Fixed #6480 (False positive unreachableCode - member function exit called instead of ::exit()) 2015-01-31 16:55:55 +01:00
PKEuS 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
Daniel Marjamäki 57ec1aea91 Library: Don't rely on ast in isNotLibraryFunction since it's used in tokenizer 2015-01-31 10:24:10 +01:00
PKEuS 98e33a189f Enhanced CheckBufferOverrun:
- Fixed bug in library: manual and existing libraries use "size", but library.cpp reads "sizeof" as podtype attribute
- Fixed a couple of bugs in handling unknown size in checkbufferoverrun.cpp, get size from library if available.
2015-01-30 20:27:48 +01:00
Daniel Marjamäki 3285f85ebf Fixed #6460 (Library: better function/type matching) 2015-01-27 17:55:18 +01:00
PKEuS 787cbcb02e Accept unknown elements in Library files, but print a warning. This fixes backward compatibility of libraries with older cppcheck versions 2015-01-10 22:18:57 +01:00
PKEuS d019b7f9a6 Fixed wrong condition in library.cpp 2015-01-10 20:51:14 +01:00
Daniel Marjamäki 6a8293a8b7 Library: More strict matching of functions 2015-01-08 19:31:41 +01:00
PKEuS e06a4cdf00 Refactorized CheckStl::if_find():
- Added support for find()-like functions to Library::Container
- Use <container> information from library
- Fixed false positive #6402
2015-01-04 12:43:50 +01:00
PKEuS e39729ffcc Library: Add <container> tag to Libraries, provide configuration for std::vector, std::deque, std::array and STL strings
Token: Added function to jump to the next template argument
2015-01-03 22:18:33 +01:00
Daniel Marjamäki ff11ba9847 Updated copyright year to 2015 2015-01-03 12:14:58 +01:00
PKEuS 990d14f3e2 Fixed #6328: Use isAttributeNoreturn() whereever we also check Library::isnoreturn(). 2014-12-27 11:07:36 +01:00
Thomas Jarosch 2f1ba89567 Improve readability of Library::load()
by caching often used node names.

Also constify existing name caches.
2014-12-12 22:18:22 +01:00
Robert Reif e2f72b4cb1 Fixed #6215 (Move Windows platform types into library) 2014-10-19 07:34:40 +02:00
PKEuS a02712cb66 Some small refactorizations:
- Removed redundant calls to std::string constructor
- Use default parameters in some places
2014-10-03 10:02:46 +02:00
PKEuS cbb8360b30 Added version attribute to .cfg files (#5928) 2014-09-29 16:26:17 +02:00
PKEuS 210294443e New check: Check for unused return values (#653) 2014-09-27 21:31:04 +02:00
PKEuS 3fade4d28c Improved performance of library loading (~5%):
- Use std::string for comparison, convert to string only once
- Avoid calling tinyxml functions multiple times
2014-09-10 20:29:44 +02:00
Dmitry-Me 0991d42cb9 Further resolve CID 1222223 2014-08-12 11:14:28 +04:00
Dmitry-Me 8cd6e490d9 Resolve CID 1222223. 2014-08-04 10:00:53 +04:00
amai2012 77095e2b05 Add some more functions to posix.cfg which allow to enable TestBufferOverrun::buffer_overrun_1_posix_functions
Fix some compiler warnings on MSVC
2014-07-05 22:47:10 +02:00
Daniel Marjamäki a3acc3241e Library: Added <minsize> element used for buffer overrun checking 2014-07-05 20:31:43 +02:00
Daniel Marjamäki 46479ced7e Library: Handle FIlE_NOT_FOUND better 2014-06-28 10:22:35 +02:00
Daniel Marjamäki ae81b09b58 Refactoring: Move isScopeNoReturn implementation to library and reuse it both in ValueFlow and Tokenizer 2014-06-22 19:13:15 +02:00
orbitcowboy 5c2ed8450e Revert my previous fix 28763fa020 and suppress gcc false positive warnings. 2014-06-13 15:46:43 +02:00
orbitcowboy 28763fa020 Libary: Fixed gcc warning -Wmissing-field-initializers 2014-06-13 13:17:08 +02:00
Alexander Mai 0f7071a000 Fix clang and coverity warnings 2014-06-12 20:03:11 +02:00
Daniel Marjamäki 42c3b3c89d Library: Change range operator in validation pattern to ':' 2014-06-08 18:12:11 +02:00
Daniel Marjamäki 9e81fa04b2 Library: Added 'podtype' element. Partial fix for #5623 2014-06-08 12:09:00 +02:00
Daniel Marjamäki 4c7b0806aa Library: handle validation expression '-1000-0'. Ticket #5847 2014-06-07 16:28:29 +02:00
PKEuS 0a0f1072c0 Attempt to fix travis and some more VS warnings 2014-06-04 19:18:27 +02:00
Daniel Marjamäki ed78d3e148 Library: Better error reporting when loading fails 2014-05-26 17:00:41 +02:00
Daniel Marjamäki 0c5707ebf1 Fixed #5512 (library (memory): extending standard free deallocator with allocators in custom cppcheck configuration file) 2014-04-19 13:15:06 +02:00
Daniel Marjamäki ce1aa1e011 Library: I had misunderstood const/pure a little so I corrected cfg and code 2014-03-14 20:08:34 +01:00
Daniel Marjamäki 8d8913a168 Partial fix for #5555. Add const,pure attributes to library. 2014-03-14 06:38:45 +01:00
Sam Truscott 385478d89e Reflection no longer part of markup. Some tokeniser not done on markup. 2014-03-11 15:57:28 +01:00
Daniel Marjamäki ca0509e20b Library: Fixed bug I caused when I cleaned up patch 2014-03-06 06:27:01 +01:00
Alexander Mai 1d4839b8a6 Fixed #1374 (false negative: using uninitialized variable in printf) 2014-03-06 06:16:14 +01:00
Daniel Marjamäki bef4739853 Library: the bug in tinyxml has been fixed so the workaround can be removed now 2014-03-01 14:09:03 +01:00
Daniel Marjamäki 720bd48a98 use nullptr in lib/library.cpp 2014-02-15 08:41:17 +01:00
Daniel Marjamäki fd3a8a2a18 Update copyright 2014-02-15 07:45:39 +01:00