Commit Graph

377 Commits

Author SHA1 Message Date
Daniel Marjamäki a6a966e28e Null pointer: Fixed false positive when condition contains assignment 'if (p==NULL && (p=malloc(10))!=NULL) *p=0;' 2011-08-07 17:06:25 +02:00
Daniel Marjamäki 08f27564fa Null pointer: reduce false negatives in pointerDerefAndCheck 2011-08-02 17:04:07 +02:00
Daniel Marjamäki 825dce5c4e Fixed #2954 (False negative: Null pointer dereference not detected '*p=4; if (p) { }') 2011-08-02 11:20:09 +02:00
Daniel Marjamäki 0c2f2e1c38 Null pointers: Fixed false negative when struct is dereferenced in condition 2011-08-01 21:57:23 +02:00
Daniel Marjamäki a6c7ae8d51 Fixed #2789 (null pointer: problems not detected when pointer is assigned and checked if it's null in a if statement) 2011-08-01 07:51:32 +02:00
Daniel Marjamäki 1640f3d1ca Null pointer: fix false negatives when unknown function is called and pointer is local/argument 2011-07-31 17:32:25 +02:00
Daniel Marjamäki cc89687e8c Null pointer: better handling when calling standard functions with possible null pointer 2011-07-31 17:19:23 +02:00
Daniel Marjamäki dd6982a616 Fixed #2935 (possible null pointer dereference when using strcpy etc) 2011-07-31 14:07:35 +02:00
Daniel Marjamäki 7f193fb7a1 Fixed #2788 (null pointer: dereference and then check 'if (abc->a == 3) { } if (!abc) ..') 2011-07-30 19:51:06 +02:00
Daniel Marjamäki a6740200cf Null pointer: Added check for 'if (fred); return fred->a;' 2011-07-25 21:58:00 +02:00
Daniel Marjamäki 6e14da7eba Fixed #2812 (false negative: null pointer dereference when returning struct member) 2011-07-25 21:40:32 +02:00
Daniel Marjamäki 2c6e4c423a Fixed #2681 (False negative: Possible null pointer dereference) 2011-07-25 15:45:00 +02:00
Reijo Tomperi 382520ee9f Fix #2840, False positive: Null pointer dereference
http://sourceforge.net/apps/trac/cppcheck/ticket/2840
2011-06-26 22:46:33 +03:00
Daniel Marjamäki e4f6d4c987 Fixed #2808 (False positive 'Possible null pointer dereference') 2011-06-21 18:45:30 +02:00
Robert Reif a99aded1a4 add support for null pointer checking struct pointers 2011-05-27 23:30:19 -04:00
Daniel Marjamäki 7320bbd8fd Refactoring: Use %op% 2011-04-09 18:44:07 +02:00
Daniel Marjamäki 266d1cc4d3 Null pointer: cleanup the code. Ticket: #2642 2011-04-03 21:55:21 +02:00
Martin Exner bc3507118d Fixed #2696 (False positive nullpointer) 2011-04-03 21:06:42 +02:00
Stefan Weil 675e63b6a7 Spell checks 2011-03-30 16:45:31 +02:00
Daniel Marjamäki 0a2f11c2cd Fixed #2695 (False positive: null pointer dereference and ternary operator (?:)) 2011-03-29 18:45:32 +02:00
Daniel Marjamäki a1dba61cee Null pointer: prefer longer error message that says 'otherwise condition at line X is redundant' 2011-03-28 18:48:27 +02:00
Daniel Marjamäki 7426bd3daf Null pointer: prefer longer error message that says 'otherwise condition at line X is redundant' 2011-03-28 18:44:25 +02:00
Daniel Marjamäki 4a7b60942b Fixed #2691 (False positive: struct dereference and check (switch-break)) 2011-03-28 17:28:21 +02:00
Daniel Marjamäki 57056bcf61 Fixed #2689 (False positive: Possible null pointer dereference) 2011-03-27 21:29:49 +02:00
Daniel Marjamäki c87037c29d Fixed #2674 (False positive: possible null pointer dereference (check if pointer is null in one function, dereference it in another function)) 2011-03-27 11:04:58 +02:00
Daniel Marjamäki f26bc6a75c Fixed #2621 (Segmentation fault for GCC statement expression) 2011-03-13 10:34:54 +01:00
Daniel Marjamäki f3728c0b76 Fixed #2647 (False positive: Possible null pointer dereference (member function call)) 2011-03-12 20:57:19 +01:00
Robert Reif 6a2848e50f fix another false negative introduced by fix for #2641 2011-03-12 12:27:19 -05:00
Robert Reif 384bd96766 fix false negative introduced by fix for #2641 2011-03-12 11:42:58 -05:00
Daniel Marjamäki 0a28b7309f Fixed #2641 (False positive: Possible null pointer dereference (global pointer, function call)) 2011-03-12 15:02:06 +01:00
Daniel Marjamäki a77993db75 Refactoring of the CheckNullPointer::isPointer. Use the symbol database. Ticket: #2629 2011-03-06 21:23:33 +01:00
Daniel Marjamäki 7894d86132 Null pointers: Fixed false negative for such code: 'if (p && *p) {} else { *p=0; }'. Ticket: #2379 2011-02-20 14:38:49 +01:00
Daniel Marjamäki 5f0206725b Null pointers: Fixed false negative for such code 'if (p && *p==0) {} *p = 0;'. Ticket: #2379 2011-02-19 21:28:18 +01:00
Daniel Marjamäki 29d05cf5f2 Null pointers: Fixed false negative for such code: 'abc->a = 0; if (abc && ..'. Ticket: #2379 2011-02-19 21:10:31 +01:00
Daniel Marjamäki e7ef1b3627 Null pointer: fixed false negative when dereferencing struct and then checking if it's null. Ticket: #2379 2011-02-19 21:01:38 +01:00
Daniel Marjamäki 9a760b9654 Fixed #2582 (segmentation fault of cppcheck ( if() )) 2011-02-18 20:05:44 +01:00
Daniel Marjamäki 39c68e12ce Fixed #2533 (false positive: (error) Uninitialized variable: cBuffer) 2011-02-03 22:29:32 +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
Daniel Marjamäki 202c8eb4a0 Fixed #2525 (False positive 'Possible null pointer dereference') 2011-01-31 17:30:27 +01:00
Raphael Geissert 5137f5fb7f Detect null pointer dereferences for many FILE-related functions
Ticket #1415: check for calling f{eof,read,close,...} with NULL
2011-01-30 02:34:58 -06:00
Daniel Marjamäki 86e6822264 Fixed #2493 (false positive: (error) Possible null pointer dereference: pExpr) 2011-01-23 08:38:09 +01:00
Daniel Marjamäki b5020468f6 Fixed #2467 (false positive: possible nullptr dereference) 2011-01-17 19:23:00 +01:00
Daniel Marjamäki 6edf35ebf5 Fixed #2463 (false positive: possible nullpointer dereference) 2011-01-15 12:09:36 +01:00
Daniel Marjamäki 9658e2299d Fixed #2443 (Possible null pointer dereference: xxx - otherwise it is redundant to check if xxx is null at line) 2011-01-10 19:57:26 +01:00
Reijo Tomperi 226b605774 Change year 2010 -> 2011 in license texts. 2011-01-09 21:33:36 +02:00
Daniel Marjamäki 2848abbf36 Fixed #1219 (improve check: null pointer not detected 'if (p) return; *p = 0;') 2011-01-09 20:16:16 +01:00
Daniel Marjamäki 68beffca04 Fixed #2437 (false positive: possible null pointer dereference: tok2) 2011-01-08 17:16:52 +01:00
Daniel Marjamäki 77ed6ecb5d Null pointers: Added comments 2011-01-06 13:18:49 +01:00
Daniel Marjamäki d1854e330b Fixed #2413 (fflush() with NULL argument is valid.) 2011-01-06 08:12:34 +01:00
Daniel Marjamäki c74b2e3cbf Fixed #2411 (possible null pointer dereference (aborting via function pointer not detected)) 2011-01-05 21:48:26 +01:00
Daniel Marjamäki 3e5614a5a3 Null Pointer: Refactoring - broke out CheckNullPointer::isPointer 2010-12-31 18:30:04 +01:00
Daniel Marjamäki b04885cd4f astyle formatting 2010-12-31 15:57:08 +01:00
Daniel Marjamäki 4d8fae186b added more comments 2010-12-31 15:56:41 +01:00
Daniel Marjamäki b634242a58 Added comments for CheckNullPointer::nullPointerLinkedList 2010-12-31 14:37:34 +01:00
Daniel Marjamäki 377bcbe729 Remove redundant condition 2010-12-31 14:24:15 +01:00
Daniel Marjamäki 1a8c410c06 gcc: fixed compiler warning (suggest parantheses around assignment) 2010-12-31 14:18:24 +01:00
Daniel Marjamäki 3de9d9cb31 Refactoring and commenting CheckNullPointer::nullPointerAfterLoop 2010-12-31 14:17:10 +01:00
Daniel Marjamäki 5f3d2a7e35 Fixed #2090 (False negative: null pointer dereference 's=0; strcpy(s,p);') 2010-12-26 19:29:58 +01:00
Daniel Marjamäki c0bedb5036 Fixed #2331 (Token::Match is called with varid 0) 2010-12-19 21:27:28 +01:00
Daniel Marjamäki 696550abd3 Fixed #2299 (false positive: possible nullpointer dereference) 2010-12-17 21:09:12 +01:00
Daniel Marjamäki 0cebcc8fa9 Fixed #2300 (false positive: possible nullpointer dereference) 2010-12-16 21:41:50 +01:00
vBm 46a11183a5 Fixed some spelling mistakes 2010-12-15 18:45:53 +01:00
Daniel Marjamäki ee083cd7a0 Fixed #2284 (False positive: Possible null pointer reference) 2010-12-09 18:17:56 +01:00
Daniel Marjamäki 065af5c444 Fixed #2251 (False positive: Possible null pointer reference) 2010-11-29 20:30:23 +01:00
Daniel Marjamäki cdb685c83c Fixed #2245 (False positive: Possible null pointer dereference) 2010-11-29 20:19:31 +01:00
Daniel Marjamäki a8d7ac0f0d Fixed #2193 (false negative: nullpointer dereference) 2010-11-12 19:42:02 +01:00
Daniel Marjamäki 95bfa50d7e Null pointers: Fixed false negatives in the CheckAndDeRef checking 2010-11-04 21:22:29 +01:00
Daniel Marjamäki f3bf14ba13 Fixed #2171 (false positive: possible nullpointer dereference) 2010-11-04 21:09:32 +01:00
Daniel Marjamäki c29940b114 Fixed #2166 (false positive: possible null pointer dereference) 2010-11-04 18:18:19 +01:00
Daniel Marjamäki 94fc13f0c4 Fixed #2159 (False positive: Null pointer dereference 'if (!x) return *y;') 2010-11-01 19:21:08 +01:00
Daniel Marjamäki 285d76a413 Null pointers: Fixed false positive for 'x && x->y' 2010-10-31 19:48:58 +01:00
Daniel Marjamäki 69c6358198 CheckNullPointer: Reuse CheckNullPointer::isPointerDeRef in CheckNullPointer::nullPointerByDeRefAndChec 2010-10-31 16:07:50 +01:00
Daniel Marjamäki 32def3a3f0 CheckNullPointer: Reuse the CheckNullPointer::isPointerDeRef function 2010-10-31 15:46:08 +01:00
Daniel Marjamäki 33d3fd4716 CheckNullPointer: Reduced false negatives by making pattern more generic 2010-10-31 15:40:34 +01:00
Daniel Marjamäki 6faa4b79d3 CheckNullPointer: Refactoring. Created the function CheckNullPointer::isPointerDeRef that can be used to detect if a pointer is dereferenced 2010-10-31 15:32:19 +01:00
Daniel Marjamäki df8a93bf97 Null pointers: Broke out the checking into separate file 2010-10-31 11:51:25 +01:00