Commit Graph

368 Commits

Author SHA1 Message Date
PKEuS 1747813a8b Added check for invalid pointer casts (#1255)
Detect sign extension problems when variable is a reference (#3637)
Refactorizations:
- Tokenizer::getFiles returns a reference instead of a pointer, because its guaranteed that no nullpointer is returned
- Remove signed/unsigned in one step for "%type% signed|unsigned"
- Fixed recently introduced compiler warning in symboldatabase.cpp
2012-02-26 11:56:32 +01:00
PKEuS 5c2af0b2e3 - initialising std::string with 0 in initialisation list is partially detected in nullpointer check (#3520)
- executionpath checking makes use of symboldatabase
- CheckExceptionSafety::checkRethrowCopy makes use of symboldatabase
2012-01-26 16:50:59 +01:00
Reijo Tomperi 194327048a Add InternalError and change MathLib to throw it in case of an error.
- Previously MathLib errors did not provide a filename, but after this change at least source file name should be printed
and if token is provided, also line number should be printed.
- Change also Token to use InternalError
- Modify Cppcheck-class to catch InternalError instead of Token
- Run dmake to update Makefile
2012-01-08 22:19:44 +02:00
Reijo Tomperi 8cae17fda8 Update year to 2012 2012-01-01 01:05:37 +02:00
Edoardo Prezioso 8f2ad53332 Add testcase for previous commit. 2011-12-30 18:47:42 +01:00
PKEuS dca03c3ce2 Remove unnecessary includes
Also add a unit test related to #3427
Also improve the description text in checkclass and remove unused variable.
2011-12-23 23:31:48 +02:00
Daniel Marjamäki 1ba1be4b8d Fixed #3428 (false negative: array bounds errors not found when duplicate class names present) 2011-12-18 16:35:51 +01:00
Daniel Marjamäki 772b8cc37d Array index out of bounds: Avoid false positives when there are duplicate names for structs 2011-12-18 08:12:42 +01:00
Daniel Marjamäki 5f712cc213 Array index out of bounds: Fixed false positive when taking address beyond array using calculated array index 2011-12-17 21:35:12 +01:00
PKEuS f306246c7f Improved support for references and pointers in SymbolDatabase
Replaced several isPointer functions by Variable::isPointer function
Refactorizations & Make use of symbolDatabase more often
2011-12-17 19:04:03 +01:00
Daniel Marjamäki 95123854ba Array index out of bounds: Fixed false positive when size is not known. 2011-12-17 13:20:42 +01:00
Daniel Marjamäki ffb5d107be CheckNullPointer::isPointerDeRef: Tweaks to reduce false warnings when inconclusive is used. 2011-12-11 08:48:55 +01:00
Daniel Marjamäki 497c54a1a7 Fixed #3168 (false negative: buffer overflow in subfunction) 2011-12-11 08:16:58 +01:00
Daniel Marjamäki ee39f6402c reverted fix for #3168, I'll rewrite it 2011-12-10 20:46:10 +01:00
Daniel Marjamäki 897e8637b4 Fixed #3168 (false negative: buffer overflow in subfunction) 2011-12-10 19:26:12 +01:00
Edoardo Prezioso 51c1e2303f CheckBufferOverrun::checkInsecureCmdLineArgs(): Remove recently unused variable 'pattern'. 2011-12-09 23:24:08 +01:00
PKEuS 91a0a071d0 Take symbol database into use or improve its usage in some checks. 2011-12-09 23:28:10 +02:00
Daniel Marjamäki 60d828e778 C++ Builder: Fixed compiler error 2011-12-08 22:09:03 +01:00
PKEuS 167a7e3e51 Various code cleanups 2011-12-08 21:28:34 +01:00
Zachary Blair 344d7e2f34 Fixed #3283 (False negative: array index out of bounds not found for constant string and known array index value) 2011-11-30 19:17:09 -08:00
Marek Zmysłowski e0b50719f4 Fixed #909 (improve check: out of bounds of memchr function and out of bounds check) 2011-11-27 07:54:52 +01:00
PKEuS 71c8669261 Fixed #3311, #3313 and #3339 (printf format string false positives) 2011-11-27 07:29:09 +01:00
PKEuS 6b6f780057 code cleanups and refactorings 2011-11-26 21:02:04 +01:00
Daniel Marjamäki b26811cdf5 astyle formatting 2011-11-20 16:50:41 +01:00
Edoardo Prezioso a32b05197d Change every 'tokAt(1)' to 'next()' and every 'tokAt(-1)' to 'previous()'.
Added a safety check to ensure that a 'previous()' call doesn't crash (not sure if it's needed or not).
2011-11-20 15:59:37 +01:00
Edoardo Prezioso 11dd3c09ce Change every 'tokAt(1)->' to 'next()->' because 'tokAt(1) == 0' is equivalent to 'next() == 0', hence the equivalent cppcheck crash. 2011-11-20 15:09:57 +01:00
Edoardo Prezioso 42e369a4b4 Change every 'tokAt(..)->link()' to 'linkAt(..)'. 2011-11-20 14:24:27 +01:00
Daniel Marjamäki 2a5b4b1842 Fixed #3328 (False negative: out of bounds) 2011-11-19 15:28:06 +01:00
Edoardo Prezioso 2c64d299ca Change every 'tokAt(...)->str()' to 'strAt(...)'. 2011-11-13 13:10:59 +01:00
Edoardo Prezioso ba5909ef1d General code tweaking, nothing strange. 2011-10-31 02:24:59 +01:00
Edoardo Prezioso 433f4640a9 Fix some GCC warnings regarding the sign conversion. 2011-10-30 18:34:49 +01:00
Daniel Marjamäki 0d1046eeeb Merge pull request #51 from richq/explicit
Explicit constructors
2011-10-30 01:38:26 -07:00
Daniel Marjamäki d7be62a6f9 Fixed #3221 (FP: Array 'arr[2147483648]' index 0 out of bounds in loop when size unknown to cppcheck) 2011-10-29 20:26:24 +02:00
Richard Quirk a0a5b36667 Ensure single-argument constructors are explicit 2011-10-29 18:24:30 +02:00
Thomas Jarosch 2b8da1241b Add missing percent end character 2011-10-29 12:08:36 +02:00
Thomas Jarosch 434fb933a8 Implement Token::findsimplematch und use it for simple patterns 2011-10-27 15:59:22 +02:00
Thomas Jarosch 54adb910ec Use Token::simpleMatch instead of Token::Match for simple patterns 2011-10-27 15:59:22 +02:00
Daniel Marjamäki a076b24dc6 astyle formatting 2011-10-24 21:57:49 +02:00
Thomas Jarosch 3413ffef3e Refactor readlink() buffer check to also handle readlinkat() 2011-10-24 21:23:18 +02:00
PKEuS cdfe0d74e4 Make checkSprintfCall using nextArguments() 2011-10-23 17:47:48 +02:00
Marek Zmysłowski b332ea8222 Fixed #3204 (Refactor standards support in Settings) 2011-10-22 09:45:48 +02:00
Thomas Jarosch 7ae39f13cc Fixed #3198 (Add check for readlink()) 2011-10-14 19:45:51 +02:00
Daniel Marjamäki 6f8e42a5af changed the astyle formatting flags 2011-10-13 20:53:06 +02:00
Daniel Marjamäki 74c0468a18 astyle formatting 2011-10-12 22:06:19 +02:00
Daniel Marjamäki b73896bcc5 Fixed #3163 (Out of bounds pointer arithmetic not reset) 2011-10-12 20:54:39 +02:00
Thomas Jarosch abd2525339 Fixed #3161 (Show buffers size info for snprintf() buffer overruns) 2011-10-05 20:17:57 +02:00
Robert Reif 65b0fb4519 fix #3153 (false positive buffer access out-of-bounds) 2011-09-30 17:28:59 -04:00
Robert Reif ac070b90f2 fix for loop false positives when zero length arrays present 2011-09-22 21:23:40 -04:00
Robert Reif b349d36c50 fix #3124 (FP: Buffer access out-of-bounds when memset two dimension array (a[5][6])) 2011-09-19 20:32:50 -04:00
Robert Reif 3f517b5f23 partial fix for #2960 (false negative: buffer access out of bounds) 2011-09-11 21:51:05 -04:00
Robert Reif 40009d091d add multi-dimension array support to second checkScope and use it for member arrays 2011-09-11 20:42:57 -04:00
Robert Reif 0d6592dd2e use correct checkScope function in CheckBufferOverrun for single dimension member arrays 2011-09-11 19:21:13 -04:00
Robert Reif 19928e26d1 refactor to unify functionally identical code in CheckBufferOverrun::checkScope() 2011-09-11 14:00:53 -04:00
Robert Reif e18fe56d56 refactor CheckBufferOverrun to only use multi-dimension array error messages and remove single dimension array message 2011-09-11 09:54:26 -04:00
Robert Reif a9b4e21f60 refactor CheckBufferOverrun::checkScope to take an ArrayInfo parameter 2011-09-10 11:21:52 -04:00
Robert Reif 547a79d4fe calculate array size for variable length structures with array at end in CheckBufferOverrun::checkStructVariable() when possible 2011-09-10 10:14:32 -04:00
Robert Reif b0eab2587d better detection of variable sized structure in CheckBufferOverrun::checkStructVariable() 2011-09-09 08:37:24 -04:00
Robert Reif 27bfa2a346 fix some CheckBufferOverrun::checkStructVariable() flase negatives for possible variable length structs 2011-09-09 07:46:06 -04:00
Robert Reif 16924c7c7a fix #3094 (Buffer access out-of-bounds in struct variable) 2011-09-09 07:16:39 -04:00
Robert Reif 812a17f294 fix one of the TODO testcases added for #3094 (Buffer access out-of-bounds in struct variable) 2011-09-08 22:44:25 -04:00
Robert Reif cbbdd55177 fix some -Wconversion -Wsign-conversion warnings in checkbufferoverrun.cpp 2011-09-05 19:02:26 -04:00
Robert Reif 7451c5cece warn when buffer is not zero terminated after memmove 2011-09-05 15:59:41 -04:00
Robert Reif f5d71d1ac5 warn when buffer is not zero terminated after memcpy 2011-09-05 15:41:37 -04:00
Robert Reif 3c8988e7a5 warn when buffer is not zero terminated after strncpy 2011-09-05 15:19:38 -04:00
Robert Reif fe85b8779e fix #2528 (false negative: buffer access out of bounds) 2011-09-04 21:39:52 -04:00
Robert Reif 50688b28fd fix #2889 (false negative: buffer access out of bounds on local struct member) 2011-09-04 19:54:57 -04:00
Robert Reif e782d98241 final fix for #3063 (false negative: multi dimensional arrays not well supported) 2011-09-03 21:51:00 -04:00
Robert Reif 7cb5c97e7d move member variable lookup code from a check to the symbol database so it can be reused by other checks 2011-09-03 12:22:13 -04:00
Daniel Marjamäki d23c58d387 enable: break out 'performance' and 'portability' from the 'style' id. Ticket: #3074 2011-09-03 15:30:30 +02:00
Robert Reif d749e28dc0 another partial fix for #3063 (false negative: multi dimensional arrays not well supported) 2011-09-02 21:07:29 -04:00
Robert Reif d85410de8c partial fix for #3063 (false negative: multi dimensional arrays not well supported) 2011-09-02 19:35:09 -04:00
Daniel Marjamäki ef30da51bf Fixed #3034 (Cppcheck crash on specific file (truecrypt).) 2011-08-29 19:16:52 +02:00
Robert Reif d643397a7e better message for strncpy zero-terminated check 2011-08-28 09:06:51 -04:00
Robert Reif 8c093d0f8a refactor CheckBufferOverrun::checkScope strncpy check and change experimental to inconclusive 2011-08-27 21:18:39 -04:00
Robert Reif 9539d22a1a partial fix for #3050 (strncpy zero termination check behaving flaky) 2011-08-25 23:48:32 -04:00
Robert Reif 6e78b51071 make all functions that call reportError names in checkbufferoverrun end in Error for consisentcy 2011-08-24 07:11:39 -04:00
Robert Reif 8c1efe9bb6 improve message for #3035 (false negative: strcpy(dst, src) where src is bigger than dst) 2011-08-21 15:18:41 -04:00
Robert Reif 67e8731a96 partial fix for #3035 (false negative: strcpy(dst, src) where src is bigger than dst) 2011-08-21 14:44:55 -04:00
Robert Reif a30da73d3e fix #2986 (segmentation fault of cppcheck ( x[y] )) 2011-08-09 19:45:18 -04:00
Daniel Marjamäki e2367b4149 Fixed #2976 (False positive: array out of bounds) 2011-08-08 18:22:15 +02:00
Daniel Marjamäki 999b80bbb8 Buffer overrun: Fix false negative 2011-08-07 17:54:25 +02:00
Kimmo Varis cfcfa3f000 Use "enabled" list for the style checking.
Settings-class currently enables style checking via dedicated
boolean attribute. All other CLI's enable-options are handled
through the enable-list. This commit moves style-check enabling
to use the enable-list.

Main advantage is the consistency how options are handled/stored
in the Settings class. Which also unifies using them for the other
code. You need to enable certain type of checks? Use the
addEnabled()-method. You want to check if certain type of checks
are enabled? Use the isEnabled()-method.
2011-08-07 10:28:52 +03:00
Daniel Marjamäki fd7e085c9d Array index out of bounds: prevent false positive when a dimension for an array is unknown 2011-08-05 13:08:48 +02:00
Daniel Marjamäki 0186fc0650 tweaked the error message somewhat for id arrayIndexThenCheck 2011-08-05 09:10:07 +02:00
Daniel Marjamäki ceb763f57a Fixed #2956 (False negative: read array and then immediately check the index 'str[i] && i<sizeof(str)') 2011-08-04 11:15:14 +02:00
Daniel Marjamäki 3cfef6285c Fixed #2920 (False positive: Array 'arr[0]' index 0 out of bounds (array size and index are unknown)) 2011-07-20 07:57:42 +02:00
Daniel Marjamäki 7dcb68f5a4 CheckBufferOverrun: Detect overflows when buffer is allocated with alloca 2011-07-17 09:35:51 +02:00
Daniel Marjamäki e597ad72e7 Fixed #2841 (False positive: Array index out of bounds, can't compare ints to chars) 2011-06-29 18:44:05 +02:00
Robert Reif 93495613dd replace some pattern matching with variable lookup in checkGlobalAndLocalVariable 2011-06-24 08:02:41 -04:00
Robert Reif 65ecbfd4ff fix an off by 1 error introduced in 48e6ea271a that prevented checking all variables 2011-06-23 22:31:16 -04:00
Robert Reif a87fb388e3 use symbol database to lookup variable type for buffer overrun checks 2011-06-22 23:11:17 -04:00
Robert Reif 48e6ea271a start using symbol database array info for buffer overrun checks 2011-06-22 22:44:11 -04:00
Robert Reif dac826d0ac use a more conventional technique for accessing ArrayInfo private variables 2011-06-22 20:35:58 -04:00
Daniel Marjamäki af7c97f972 Fixed #1684 (false positive: buffer access out of bounds when using extern variable declaration) 2011-05-07 11:34:48 +02:00
Daniel Marjamäki e5d43d4ed2 Renamed Settings::stupid to Settings::experimental 2011-04-10 15:55:08 +02:00
Daniel Marjamäki 30ee9ba6e4 Added Settings::stupid flag that can be used to hide checking that generates false positives. 2011-04-10 13:23:45 +02:00
Daniel Marjamäki bd93997e4f Refactoring: Use %op% instead of Token::isOp in CheckBufferOverrun 2011-04-09 18:37:03 +02:00
Daniel Marjamäki f6d910ab3d Refactoring: Use Token::isOp 2011-04-09 15:54:36 +02:00
Daniel Marjamäki 0d3874693a Buffer overrun: broke out duplicate code 2011-04-04 17:33:43 +02:00
Stefan Weil 675e63b6a7 Spell checks 2011-03-30 16:45:31 +02:00
Daniel Marjamäki 07fe361964 Fixed #2638 (Tokenizer::setVarId : varid is wrongly given when unknown macro is used) 2011-03-13 17:52:45 +01:00
Daniel Marjamäki bea3875386 Fixed #2607 (segmentation fault of cppcheck ( struct C {} {} x)) 2011-03-09 21:00:28 +01:00
Daniel Marjamäki bf2362d558 Fixed #2634 (False positive: buffer access out of bounds) 2011-03-08 19:49:56 +01:00
Daniel Marjamäki bfe28d3b26 Fixed #2597 (False positive: Buffer access out-of-bounds for u_char, uint*_t, ...) 2011-02-20 21:24:57 +01:00
Robert Reif e6eb160395 fix [B#2589 (segmentation fault of cppcheck (struct B : A)) 2011-02-19 14:38:00 -05:00
Daniel Marjamäki 518a495334 Fixed #2576 (False positive: (error) Buffer access out-of-bounds) 2011-02-12 18:34:12 +01:00
Daniel Marjamäki 318f2e8a57 Fixed #2561 (False positive on array index when using conditional operator) 2011-02-12 11:31:10 +01:00
Daniel Marjamäki 08811c8179 CheckBufferOverrun: Refactoring. Broke out checkScope code for parsing 'for' bodies 2011-02-10 21:56:06 +01:00
Raphael Geissert f8e2d50e6f Use Token::simpleMatch where no special patterns are needed 2011-02-02 13:27:02 -06:00
Raphael Geissert 8d5863133c Use Token::simpleMatch where no patterns are used 2011-02-02 13:27:01 -06:00
Raphael Geissert cf2b6f7bc1 Remove useless spacing at the end of *Match strings 2011-02-02 13:27:01 -06:00
Daniel Marjamäki 9d3b242cd8 Fixed #1952 (false negative: buffer acces out of bounds with memcpy) 2011-01-22 21:31:26 +01:00
Reijo Tomperi 226b605774 Change year 2010 -> 2011 in license texts. 2011-01-09 21:33:36 +02:00
Daniel Marjamäki 79ef02812d Fixed #2211 (false negative: buffer access out of bounds for(int i=0; i !=6;i++)) 2011-01-09 18:51:28 +01:00
Daniel Marjamäki 04a117938d Buffer overrun: Added comments 2011-01-06 13:02:21 +01:00
Kimmo Varis b750a52f6d Improve strncat 3rd parameter usage warning message.
See forum thread:
https://sourceforge.net/apps/phpbb/cppcheck/viewtopic.php?f=3&t=192
2011-01-04 23:17:44 +02:00
Daniel Marjamäki c2a194ead0 Fixed #2393 (Token::Match called with varid 0) 2011-01-04 18:34:51 +01:00
Daniel Marjamäki 97f7a36e91 Buffer overruns: Added comments 2011-01-02 14:16:58 +01:00
Daniel Marjamäki 4ec9d418ff Fixed #2215 (Improve check: Writing outside malloc bounds not detected) 2011-01-01 20:56:21 +01:00
Daniel Marjamäki 04eb9cf305 Fixed #2378 (Refactoring: create utility function that skips redundant if/for/while) 2010-12-31 18:07:46 +01:00
Daniel Marjamäki ed6c76ce04 Fixed #2385 (False positive: array index out of bounds) 2010-12-31 17:43:38 +01:00
Daniel Marjamäki d8f241e033 gcc: fixed -Wconversion errors 2010-12-31 09:51:27 +01:00
Daniel Marjamäki fa3853803b gcc: fixed -Wconversion warnings 2010-12-31 09:30:56 +01:00
Daniel Marjamäki bdf0cb7115 Fixed #2370 (false negative: Buffer access out-of-bounds (for with if, no break)) 2010-12-28 20:46:31 +01:00
Daniel Marjamäki 6aa400fd80 Buffer overrun: UB when pointer arithmetic result points out of bounds. Ticket #1774 2010-12-26 21:23:28 +01:00
Daniel Marjamäki 8247270f35 Fixed #2328 (false positive: buffer overrun (for loop with a break => the end value is not reached)) 2010-12-19 10:39:43 +01:00
Daniel Marjamäki f6c00fc478 Fixed #2323 (false positive: Buffer access out of bounds) 2010-12-18 10:54:36 +01:00
vBm 46a11183a5 Fixed some spelling mistakes 2010-12-15 18:45:53 +01:00
Daniel Marjamäki 5ce63a1df0 Fixed #2292 (segmentation fault with cppcheck 1.46 with --errorlist) 2010-12-13 18:17:33 +01:00
Robert Reif 6c719c5806 Symbol database: removed unnecessary null pointer checks 2010-12-07 07:07:07 +01:00
Daniel Marjamäki 9d9a5b0623 VS: Fixed compiler warnings. Ticket: #2200 2010-11-21 11:48:27 +01:00
Daniel Marjamäki cda44e0c39 VS: Fixed compiler warnings 2010-11-20 11:48:03 +01:00
Daniel Marjamäki 66c2825b23 Fixed #2210 (False positive: buffer overrun (snprintf, unknown type)) 2010-11-18 19:26:46 +01:00
Daniel Marjamäki fb068a4e71 Fixed #2170 (false positive: After a strncpy() the buffer should be zero-terminated) 2010-11-07 09:37:45 +01:00
Daniel Marjamäki dd41c74d7f Fixed #2136 (false negative: array bounds) 2010-11-06 09:10:10 +01:00
Daniel Marjamäki 8d96697623 GCC: Fixed compiler warnings 2010-10-30 14:53:25 +02:00
Daniel Marjamäki b55f6458a2 Fixed #2120 (False positive: array index out of bounds (unknown type in struct, sub function)) 2010-10-30 12:32:43 +02:00
Daniel Marjamäki 79583ee45d #2133 (cppcheck: floating point exception) 2010-10-26 20:05:34 +02:00
Daniel Marjamäki b6106ddf72 Fixed #2132 (Internal error. Token::Match called with varid 0.) 2010-10-26 18:10:03 +02:00
Daniel Marjamäki 306587b1d0 Buffer overruns: Fixed TODO test case 2010-10-24 11:32:27 +02:00
Daniel Marjamäki f3c6c64e9a Fixed #2121 (False positive: Buffer access out-of-bounds when using uint32_t) 2010-10-23 13:12:17 +02:00
Daniel Marjamäki 5deb046ac5 Fixed #2120 (False positive: array index out of bounds (unknown type in struct, sub function)) 2010-10-23 08:49:03 +02:00
Daniel Marjamäki 9fdc03fc1d Fixed #2117 (false positive: buffer access out of bounds) 2010-10-22 20:15:51 +02:00
Daniel Marjamäki 2ca7dbc004 Fixed #2109 (false positive: buffer overrun) 2010-10-19 18:23:44 +02:00
Daniel Marjamäki 92a1e9e76e Severities: Added 'warning' and 'performance' severities. No changes to the command line options nor to the XML format. Ticket: #2106 2010-10-17 14:41:00 +02:00
Daniel Marjamäki ba2b986ece Fixed #2097 (false positive: buffer access out of bounds) 2010-10-14 20:00:32 +02:00
Daniel Marjamäki b6c995ea47 Fixed #2096 (False positive: buffer overrun (extern array)) 2010-10-13 20:57:59 +02:00
Daniel Marjamäki 229604b3e3 Fixed #2093 (False positive: buffer access out of bounds (unknown type)) 2010-10-13 18:06:50 +02:00
Daniel Marjamäki 9e15c4ef38 Fixed #2088 ([test.c:12]: (error) Buffer access out-of-bounds: l) 2010-10-12 19:35:20 +02:00
Daniel Marjamäki 74bf1821e6 Array index: detect array index out of bounds when datatype is unknown. Ticket: #2086 2010-10-11 20:52:14 +02:00