Commit Graph

5190 Commits

Author SHA1 Message Date
Daniel Marjamäki d342387b95 Uninitialized var: Fixed false negatives for self assignment 2013-11-16 18:07:33 +01:00
Daniel Marjamäki 2a640a59c2 Tokenizer: Improved handling of pointer aliases. This fixes some false negatives. 2013-11-16 17:30:04 +01:00
Martin Ettl feb54a46fb Merge branch 'master' of https://github.com/danmar/cppcheck 2013-11-10 05:06:00 +01:00
Daniel Marjamäki cfd6b0c384 UninitVar: fixed false negatives for function calls 2013-11-16 12:02:21 +01:00
Daniel Marjamäki 8c7e3d14aa Fixed #5119 (Preprocessor: Using -D suppresses __cplusplus for C++ files) 2013-11-15 19:21:21 +01:00
Daniel Marjamäki 30720affd6 Tokenizer::setVarId: Fixed hang when checking libgc 2013-11-15 16:16:22 +01:00
Daniel Marjamäki 5af2fe6e5b AST: improved 'incorrect logic' checking when there are nested expressions 2013-11-15 06:51:35 +01:00
Daniel Marjamäki d1721b9d1b AST: Improved 'same expression on both sides of operator' checking for nested operators 2013-11-15 06:35:46 +01:00
Daniel Marjamäki 203d3e916b Fixed #5173 (false positive Variable XX is reassigned a value before the old one has been used) 2013-11-14 16:10:00 +01:00
Daniel Marjamäki 673400920d AST: Fixed 'a[1][2]' 2013-11-13 17:52:56 +01:00
Daniel Marjamäki 7fe51eb58b Fixed #4989 (False positive: Wrong processing of __asm block) 2013-11-13 06:04:00 +01:00
Daniel Marjamäki 1ecade2657 AST: don't warn about duplicate expressions around '+' operator. It might be more efficient than using for instance '*2' 2013-11-11 20:03:59 +01:00
Daniel Marjamäki 58d7caded1 AST: improved handling of casts 2013-11-11 16:39:34 +01:00
Martin Ettl 3bf415fa2b checkbufferoverrun: improved constness of local variables. checkbufferoverrun:array_index(): added a bailout if the function is called with tok=NULL and added a NULL pointer check after a dynamic_cast. 2013-11-10 05:05:31 +01:00
Martin Ettl 347e1eae20 Fixed #5162: Tokenizer:simplifyInitVar: Unused pointer value (UNUSED_VALUE) returned_pointer: Pointer tok2 returned by tok2->next() is never used (CID 1124084). 2013-11-10 00:40:42 +01:00
Daniel Marjamäki 4027848761 incorrectLogicOperator: fixed FP when comparing char values. improved handling of float comparisons. 2013-11-10 18:06:51 +01:00
Daniel Marjamäki 807f62520c Fixed crash caused by endless recursion in redundant assignments check 2013-11-10 17:20:40 +01:00
Alexander Mai 687aeb4f5f Fixed #5158 (segmentation fault (valid code)) 2013-11-10 16:22:52 +01:00
Daniel Marjamäki bb746261d3 AST: Fixed crash 2013-11-10 15:51:33 +01:00
Daniel Marjamäki 85b41059c5 astyle formatting 2013-11-10 15:49:53 +01:00
Daniel Marjamäki 4ed4d71b3c CheckOther::checkIncorrectLogicOperator(): cleanup 2013-11-10 14:24:09 +01:00
Daniel Marjamäki 0dd17f9fad Merge pull request #198 from simartin/ticket_5073
Ticket #5073: Don't crash upon invalid do-while loop.
2013-11-10 03:09:16 -08:00
Daniel Marjamäki cadb284a3d Refactored the AST checking of CheckOther::checkIncorrectLogicOperator() 2013-11-10 11:59:18 +01:00
Martin Ettl babbee4e73 Fixed typos in comments, no functional changes. 2013-11-09 16:07:28 +01:00
Simon Martin 185b88c6e3 Ticket #5073: Don't crash upon invalid do-while loop. 2013-11-08 23:13:21 +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
Robert Reif 52df31b501 Fixed #5153 ((debug) Scope::checkVariable found variable ')') 2013-11-08 12:56:32 +01:00
Robert Reif a6ef3a224a Fixed #5151 (false negative: improper formatstring - vector::at()) 2013-11-08 12:44:05 +01:00
Daniel Marjamäki b0ce42565e AST: Added experimental new implementations for CheckAssignIf::comparison, CheckOther::checkIncorrectLogicOperator and CheckOther::checkDuplicateExpression 2013-11-07 14:38:08 +01:00
orbitcowboy 43103c84d8 Checkother:memsetZeroBytes: removed not needed '\n' from verbose message. 2013-11-07 05:15:36 -08:00
orbitcowboy 3d47ae9463 checkother:memsetZeroBytes: improved verbose message. 2013-11-06 06:42:27 -08:00
orbitcowboy 86aa2a27ab checkother: improved constness of local variables, no functional change. 2013-11-06 06:15:32 -08:00
Daniel Marjamäki a572c0b728 AST : cleanup unused functions 2013-11-06 12:38:58 +01:00
Martin Ettl 4eba02d901 Checkbufferoverrun: improved constness of local variables, no functional changes. 2013-11-03 04:48:41 +01:00
Daniel Marjamäki fb04c8ff84 Fixed #5107 (redundantAssignment when pointer changes) 2013-11-04 23:46:07 +01:00
Daniel Marjamäki 7996d609be Fixed #5108 (false positive: uninitialized variable (assignment in function parameter)) 2013-11-04 23:09:15 +01:00
orbitcowboy 929cda6696 fixed #5141: Tokenizer: Dereference before null check (Scan.coverity id 1061759) 2013-11-04 03:53:23 -08:00
Daniel Marjamäki 8ff412fcee Fixed #5142 (False positive with floating-point special cases in conditions) 2013-11-04 11:56:43 +01:00
Daniel Marjamäki dde46527f3 AST: Handle ternary operators 2013-11-04 11:44:54 +01:00
Daniel Marjamäki de29991c11 AST: Rewrite using standard approach 2013-11-04 11:26:16 +01:00
Daniel Marjamki 9959c2866c AST: fixed hang for ',&x..' 2013-11-03 15:05:58 +01:00
Daniel Marjamki bcc8384a95 Fixed #5145 (False Positive: Variable 'A' hides enumerator with same name) 2013-11-03 09:34:48 +01:00
Daniel Marjamäki 5f0cfa0ee4 Fixed #4983 (False positive warning 'Possible null pointer dereference: lblList - otherwise it is redundant to check it against null.' with sizeof lblList[0]) 2013-11-02 23:56:10 +01:00
Daniel Marjamäki 769b4617c3 Fixed #5142 (False positive with floating-point special cases in conditions) 2013-11-02 22:58:23 +01:00
Daniel Marjamäki a50e5c2c23 Merge pull request #195 from simartin/ticket_5139
Ticket #5139: Properly handle recursive macro definitions
2013-11-02 11:21:13 -07:00
Daniel Marjamäki c505f5ea23 Fixed AST problem for 'if ((a.b&c)==d){}' 2013-11-02 19:18:58 +01:00
Daniel Marjamäki bbdfd8b5c7 Make it possible to create AST, by using the --ast flag 2013-11-02 18:37:35 +01:00
Daniel Marjamäki f0a621a952 Tokenizer: Added MAXTIME so cppcheck can be compiled with a hard max time. Will be used for the daca2. 2013-11-02 17:31:14 +01:00
Simon Martin 95c08d5613 Ticket #5139: Properly simplify recursive macro definitions 2013-11-01 16:47:22 +01:00
Robert Reif ac3b1c0611 Fixed #5134 (Memory leak below CheckIO::checkWrongPrintfScanfArguments()) 2013-11-01 05:42:37 +01:00
Martin Ettl 083af88801 Checkio: removed redundant NULL-pointer check, introduced by me. 2013-11-01 00:18:13 +01:00
Martin Ettl 3e13408da2 Merge branch 'master' of https://github.com/danmar/cppcheck 2013-10-31 20:03:13 +01:00
Martin Ettl 897533ab93 Checkio: fixed potential NULL-pointer dereference (Coverity-ScanId: CID 1113428). 2013-10-31 20:03:05 +01:00
XhmikosR a60252ce7b Fix compilation error with VS after e446a28b3d. 2013-10-31 20:56:47 +02:00
Martin Ettl 5156481db4 Library: return false from load() when tinyxml::FirstChildElement() return a NULL pointer. 2013-10-31 19:49:36 +01:00
Daniel Marjamäki e446a28b3d Refactoring FileLister and Path so they don't depend on Library 2013-10-31 19:09:01 +01:00
Martin Ettl c529de6e07 Library: tinyxml2::FirstChildElement() is capable of returning 0. This fixes a waring of scan.coverity(): CID 1113430 (#1 of 1): Dereference null return value (NULL_RETURNS) 2013-10-29 00:36:27 +01:00
Daniel Marjamäki d3bd373798 Fixed #5131 (False Positive: %u in format string requires 'unsigned int' but the argument type is 'int'.) 2013-10-31 17:20:00 +01:00
Daniel Marjamäki 352c459e28 Merge pull request #194 from simartin/ticket_5121
Ticket #5121: Handle static variable declarations depending on one another
2013-10-30 22:09:44 -07:00
Alexander Mai 14787cde99 Fixed #5129 (FP:arithOperationsOnVoidPointer on void**) 2013-10-31 06:04:51 +01:00
Daniel Marjamäki 06c5bd0daa Fixed #5128 (False positive zerodivcond 'a ? 1 / a : 0') 2013-10-30 16:51:00 +01:00
Simon Martin d67722ebdf Ticket #5121: Handle comma separated static variable declarations depending on one another 2013-10-30 15:48:00 +01:00
Simon Martin 463ef2e71e Ticket #5120: New test case, that works now that #5125 is fixed 2013-10-30 10:15:03 +01:00
Simon Martin 052be76635 Ticket #5125: Avoid infinite recursion for recursive class definitions 2013-10-29 21:41:47 +01:00
Daniel Marjamäki 5c072993e3 CheckBool: Fixed false negative when assigning bool to pointer '; s.p = true; ' 2013-10-29 16:16:52 +01:00
orbitcowboy 30984ff649 Tokenize: improved const correctness of local variables, no functional change. 2013-10-25 01:34:53 -07:00
orbitcowboy 76e092428a Tokenize: improved const correctness of local variables, no functional change. 2013-10-25 01:31:55 -07:00
Daniel Marjamäki 514277e91b Library: Fixed bug. Continue if there is no errors. 2013-10-27 17:38:39 +01:00
PKEuS bd752cabcf Let TinyXML2 handle fopen/fclose. Added testlibrary.cpp to VS10 solution 2013-10-27 17:32:38 +01:00
Daniel Marjamäki e0244d343d Library: Fixed resource leak 2013-10-27 17:17:54 +01:00
Daniel Marjamäki 569a29bc4a Library: Added simple testing 2013-10-27 17:10:43 +01:00
PKEuS c95b153700 Refactorizations:
- Removed some redundant operator=, copy-ctor and dtor implementations
- use operator[] instead of at() in library loading code
2013-10-27 13:55:13 +01:00
Robert Reif 94187c41c2 Fixed #5104 (False positive: Invalid argument in printf and scanf for vector template) 2013-10-27 10:48:49 +01:00
Daniel Marjamäki 4a6274dcc0 Merge pull request #183 from felipensp/null_ptr_typeof
- Fixed false positive when passing pointer to typeof()
2013-10-27 02:37:31 -07:00
Daniel Marjamäki ec3ab74631 Preprocessor: Use set instead of list to track '#pragma once' usage 2013-10-27 10:33:37 +01:00
Daniel Marjamäki 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
Daniel Marjamäki 51ad9ab6ac Fixed #4896 (FP Uninitialized variable on template function) 2013-10-26 18:39:40 +02:00
Daniel Marjamäki 8687e85e56 Fixed #4850 (False positive: invalidIterator1 detected when iterator container is member of some struct) 2013-10-26 17:48:20 +02:00
Daniel Marjamäki 853d9dd7a9 Fixed #4956 (false positive: Variable 'myIsFirst' is assigned a value that is never used.) 2013-10-26 15:22:28 +02:00
Daniel Marjamäki 22351a73b1 doxygen: escape #pragma in comment to make doxygen happy. Thanks XhmikosR for the suggestion! 2013-10-25 16:08:19 +02:00
Daniel Marjamäki c6702db9ab Code cleanups 2013-10-23 15:03:31 +02:00
XhmikosR c11ee0a1ed Remove unused variables. 2013-10-23 09:19:23 +03:00
XhmikosR 93bdf45313 Fix typo in error message. 2013-10-23 09:05:39 +03:00
Daniel Marjamäki 364757e1e1 Fixed #5089 ('inconclusive' output printed although --inconclusive not specified) 2013-10-23 06:42:52 +02:00
Daniel Marjamäki d1b03d9c31 Fixed false positive for 'object is destroyed immediately' when there is no code after the object 2013-10-22 19:37:11 +02:00
Daniel Marjamäki a55056c770 Fixed #5105 (false positive: (warning) Either the condition 'b!=0' is useless or there is division by zero) 2013-10-22 16:18:42 +02:00
Daniel Marjamäki fd0f2d7900 Fixed #4929 (False positive: possible null pointer deref (checks dont handle && and || well)) 2013-10-22 10:47:48 +02:00
Sam Truscott 6806fd8135 Extended Qt support through Library 2013-10-20 14:09:10 +02:00
Daniel Marjamäki fc26de89a9 Fixed #5082 (False positive: (error) Possible null pointer dereference: p2) 2013-10-20 13:37:36 +02:00
Daniel Marjamäki 5d7e0aebf4 Fixed #5084 (False positive: (style) Same expression on both sides of '&&') 2013-10-19 18:04:53 +02:00
Daniel Marjamäki 6aa03efa2f Fixed #5103 (Don't show 'The scope of the variable can be reduced' if there is no explicit block with { }) 2013-10-19 17:27:02 +02:00
Daniel Marjamäki e3a12de057 astyle formatting 2013-10-19 09:52:19 +02:00
Daniel Marjamäki f8710cb984 Fixed #5102 (Crash if -D is used when scanning simple preprocessor code.) 2013-10-18 06:47:55 +02:00
Robert Reif b41ab8a4d5 Fixed #5088 (Token::Match called with varid 0. in libreoffice sd/source/ui/table/TableDesignPane.cxx) 2013-10-14 21:05:54 +02:00
Felipe Pena ecb0e70250 - Fixed false positive when passing pointer to typeof() 2013-10-12 10:19:15 -03:00
Daniel Marjamäki b70d9196cb 1.62: Update version 2013-10-12 12:30:17 +02:00
Daniel Marjamäki 21c537e8d7 1.62: Set versions 2013-10-12 12:22:52 +02:00
Robert Reif 1fccfd50eb Fixed #5080 ((error) Internal error. Token::Match called with varid 0. Please report this to Cppcheck developers) 2013-10-12 10:50:59 +02:00
orbitcowboy 9debeab47c Tokenizer:simplifyMathExpressions: fixed false negative patterns for simplification. 2013-10-11 11:58:37 -07:00
Daniel Marjamäki bb0385321f Fixed #5074 (False positive: Duplicate expression (macro)) 2013-10-13 17:42:06 +02:00
Martin Ettl a674ed1aa9 Tokenizer:simplifyMathFunction: added simplifcation for fma[f|l]() functions. 2013-10-13 16:28:02 +02:00
Martin Ettl e18ebf313f Tokenizer:simplifyMathFunctions: added support for more math functions. 2013-10-13 15:41:47 +02:00
Martin Ettl cdb47813d5 Tokenizer:simplifyMathFunctions: added support for cosh[f|l], cos[f|l] and erfc[f|l] functions. 2013-10-13 14:23:10 +02:00
Daniel Marjamäki 9e12bdf9cb Merge pull request #184 from felipensp/uninitialized_var_typeof
- Fixed false positive when using typeof/__alignof__
2013-10-13 01:43:18 -07:00
PKEuS 4cd2fad2bf Set version to 1.63 dev 2013-10-13 09:53:56 +02:00
Felipe Pena ed565f1ab1 - Fix comment 2013-10-12 13:49:35 -03:00
Felipe Pena c37ba4cbcf - Fixed false positive when using typeof/__alignof__ 2013-10-12 13:46:14 -03:00
orbitcowboy 6eaa2f2444 Tokenizer:simplifyMathFunctions: added support for acos[f|l] functions. 2013-10-09 07:59:32 -07:00
Daniel Marjamäki 682e68b1b6 Fixed #5077 (False positive: Comparison of boolean result with relational operator ((X + (Y < 0)) <= b)) 2013-10-09 05:43:50 +02:00
Martin Ettl f08325284c Tokenizer:simplifyMathFunctions: added support for acosh[f|l]() functions. 2013-10-07 22:10:58 +02:00
Daniel Marjamäki 9ce7efc6e4 commaSeparatedReturn: made checking experimental for now because there are false positives (#5076) 2013-10-08 18:05:07 +02:00
Daniel Marjamäki 4f88fdcf4a Check64Bit: Fixed false positive about returning integer for 'p+(n*80)' 2013-10-08 06:36:45 +02:00
Robert Reif 41b3ed788d CheckIO: fix crash 2013-10-08 05:33:37 +02:00
Daniel Marjamäki f9cf148012 CheckBool: Skip 'bool' type checking in C code 2013-10-07 18:41:07 +02:00
Daniel Marjamäki b81de5494e CheckBool: Fixed false positive for calculation using bool result in rhs 2013-10-07 18:01:08 +02:00
Daniel Marjamäki d2025363d0 CheckBool: Fix false positive for '(a != boolexpr || c)' if a is a int 2013-10-07 17:44:19 +02:00
Daniel Marjamäki 83f9503839 CheckBool: Fixed false positives for non-bool expressions that contain ! operator 2013-10-07 16:37:51 +02:00
Daniel Marjamäki 023d0e7cb8 Fixed #5072 (False positive: comparisonOfBoolWithInvalidComparator even without explicit bool type) 2013-10-07 16:16:07 +02:00
Daniel Marjamäki 4cd0108b93 Fixed #4976 (False positive: (style) A pointer can not be negative (git/sha1_file.c)) 2013-10-06 16:52:27 +02:00
Daniel Marjamäki 0ef1529ba5 Fixed #5005 (false positive: (warning) Assignment of function parameter has no effect outside the function.) 2013-10-06 16:07:27 +02:00
Daniel Marjamäki 1234ec95f0 Fixed #4998 (False positive: Address of local auto-variable assigned to a function parameter) 2013-10-06 14:23:26 +02:00
Daniel Marjamäki 9f23b7a1b4 Fixed #5063 (False positive for comparisonOfBoolWithInvalidComparator) 2013-10-06 10:39:08 +02:00
Daniel Marjamäki c234cace6d Fixed #5064 (Tokenizer::simplifySizeof: Doesn't simplify 'sizeof !! (a==1);' properly) 2013-10-06 08:20:10 +02:00
Daniel Marjamäki 9cfc1030cd Tokenizer: Optimised loop 2013-10-06 07:46:35 +02:00
Daniel Marjamäki 946722faf0 Fixed #4968 (False positive: Structure with 'read' member is confused with read() function.) 2013-10-05 18:25:44 +02:00
Robert Reif 7098fc6039 CheckIO: fixed handling of unknown types. Ticket #5051 2013-10-05 16:47:06 +02:00
Daniel Marjamäki 6830d5f7a4 Fixed #5042 (false positive: Redundant code (set filled in initialization list)) 2013-10-05 12:26:09 +02:00
Daniel Marjamäki db4ca13184 CheckBool: refactoring isBoolExpr 2013-10-05 11:31:55 +02:00
Daniel Marjamäki f2fdd967f5 Fixed #5046 (False positive: Boolean value assigned to pointer) 2013-10-05 08:53:37 +02:00
Daniel Marjamäki 348f3fa97f Fixed #5058 (False positive: (warning) Comparison of a boolean expression with an integer.) 2013-10-05 08:33:33 +02:00
Robert Reif 5dbc02250f This patch adds pointer to format string support to printf. Ticket: #5051 2013-10-05 07:47:52 +02:00
Robert Reif 44559a1fb2 Fixed #5069 (sizeof(void) when variable name is override) 2013-10-05 07:40:59 +02:00
Robert Reif 6c06cdd24d CheckIO fixes. Ticket: #5051 2013-10-04 17:30:55 +02:00
Martin Ettl a8cf8f0984 Tokenizer:simplifyMathFunctions: fixed false positives when simplifying special pow() cases. 2013-10-03 22:54:45 +02:00
Martin Ettl f8bd33f2bc Tokenizer:simplifyMathFunctions: added support for log()-functions. Improved testcases and documentation. The function simplifyMathFunctions() returns now true in case a simplifcation is made. This function is called within a while loop to guarantee all simplifications are made. 2013-10-03 20:52:07 +02:00
Martin Ettl 548e2f3fbf Tokenizer:simplifyMathExpression: fixed false negatives in simplifying Pythagorean and Hyperbolic identities. 2013-10-03 15:41:12 +02:00
Robert Reif 59de30823e CheckIO: This patch adds support for fprintf_s, fscanf_s and %I. Ticket: #5051 2013-10-03 06:37:40 +02:00
Robert Reif 022e7a0f0f CheckIO: Fix INT_PTR false positive found while checking mpc-hc. Ticket: #5057 2013-10-02 04:19:04 +02:00
Robert Reif 5aba841499 CheckIO: Handling of casts (#4964) 2013-10-02 04:12:46 +02:00
PKEuS 17810e4eb5 Fixed linker problems in mathlib 2013-10-01 20:40:55 +02:00
Martin Ettl fa5ee8fd13 Tokenizer: simplifyMathFunctions: added more simplifications for exp(), exp2() and log2() functions. 2013-10-01 20:30:59 +02:00
orbitcowboy 677257f569 Fixed clang warning: lib/checkother.h:360:80: warning: implicit conversion turns string literal into. 2013-09-30 10:43:21 -07:00
XhmikosR 2762a30e48 Prefer prefix operator. 2013-10-01 09:20:19 +03:00
Robert Reif cc6745fef6 CheckIO: Fixed false positives when using _snprintf_s and _snwprintf_s. Ticket: #5057 2013-10-01 05:49:44 +02:00
Martin Ettl f0cbeb5233 simplifyMathFunctions: added support for exp(),sqrt(),cbrt() functions. 2013-09-29 18:11:17 +02:00
Robert Reif c37c6617d3 Fixed #5057 (Microsoft secure printf/scanf support.) 2013-09-30 19:55:21 +02:00
Daniel Marjamäki e3b7bce72b Fixed #4907 (False positive 'uninitStructMember' on structs with unions) 2013-09-30 06:35:31 +02:00
Lucas Manuel Rodriguez cb4abd6f16 Add doc. to typeStartToken and typeEndToken functions 2013-09-29 16:09:19 -03:00
Daniel Marjamäki 1c513f330a Fixed #5055 (False negatives when using -I (external source code)) 2013-09-29 18:59:27 +02:00
Martin Ettl 00987eb120 MathLib: improved constness of local variables. No functional change. 2013-09-29 15:49:02 +02:00