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76 Commits

Author SHA1 Message Date
Thomas Jarosch
dca65ce3da Fix FP if sizeof is used without parentheses on struct members 
Right now we only support checking basic pointer types.
Pointers inside structs are not supported yet.

Consider the tokens "foo@1 . bar@2",
Token::Match( "sizeof ( %varid% )" ) won't match it.
Token::Match( "sizeof %varid%" ) did match it -> FP.
 2014-12-22 09:44:08 +01:00
Alexander Mai
66d767b4b5 #6050 arithmetic on void** - fix false positive 2014-08-17 19:14:55 +02:00
PKEuS
5ddee75b5d Removed newline from divideBySizeofError message 2014-08-08 09:59:55 +02:00
PKEuS
5c238692e6 New check: Division by sizeof() as parameter to memset/memcpy/memmove/etc. as they expect a size in bytes (#5698) 
Refactorizations in sizeof checking:
- Changed severity of sizeofwithsilentarraypointer to warning
- Made pointerSize message conclusive - there seems to be no reason for inconclusive
 2014-08-08 09:49:09 +02:00
Alexander Mai
ad1662a201 #5875 fix 'lib/checksizeof.cpp:142:26: runtime error: member call on null pointer of type 'Token'. Improve error handling in CheckSizeof::checkSizeofForPointerSize() 2014-06-01 22:18:17 +02:00
PKEuS
1fc1ff1993 Moved implementation of two functions to new file check.cpp -> Don't include <iostream> everywhere 2014-05-24 12:50:04 +02:00
PKEuS
8f79dc3ff8 Cleaned up includes and forward declarations in checkers: 
- Removed definitely unnecessary forward declarations (e.g. "class Token"; token.h is already included by check.h, so a definition is unnecessary)
 - Removed unused includes
 2014-05-24 12:50:03 +02:00
PKEuS
5c566e838c Fixed false positive "multiplySizeof" in TortoiseSVN 2014-05-19 20:57:13 +02:00
PKEuS
09e03fa6ef Fixed some complaints of PVS Studio 2014-05-19 14:37:54 +02:00
PKEuS
5fbd58d98d Fixed messages of CheckInternal, fixed a false positive. 2014-05-18 20:39:52 +02:00
PKEuS
ecec4b0b46 Fixed false positive #5187: arithOperationsOnVoidPointerError when referencing void* 2014-04-27 12:18:33 +02:00
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
fd3a8a2a18 Update copyright 2014-02-15 07:45:39 +01:00
Daniel Marjamäki
4b72f01e99 clarify calculation: Fixed FP for 'a = (*p ? 1 : 2)' 2013-12-28 11:02:39 +01:00
Daniel Marjamäki
742a6935ea Calculation in sizeof: Fixed FP for sizeof(Fred**) 2013-12-26 13:52:58 +01:00
Daniel Marjamäki
29e74222fb Sizeof calculation: Fixed FP for sizeof(int*[2]) 2013-12-26 13:41:21 +01:00
Daniel Marjamäki
eb2ea1c28f AST: refactored CheckSizeof::sizeofCalculation() 2013-12-25 12:35:41 +01:00
Alexander Mai
14787cde99 Fixed #5129 (FP:arithOperationsOnVoidPointer on void**) 2013-10-31 06:04:51 +01:00
Daniel Marjamäki
c96586b2a9 "automatic conversion from iso-8859-1 formatting to utf-8" 2013-08-21 19:31:01 +00:00
Lucas Manuel Rodriguez
14d3886e19 Fixed #4965 (sizeof(void) check - error in message) 2013-08-20 06:20:52 +02:00
Daniel Marjamäki
011fd3bed9 checksizeof: Fixed compiler error on VS. Missing header. 2013-07-21 19:00:12 +02:00
Lucas Manuel Rodriguez
59f448da8a Fixed #4908 (False positive: void * calculation (struct member, cast)) 2013-07-20 17:20:16 +02:00
Lucas Manuel Rodriguez
040c1e3a13 Fixed #4906 (False positive: void * calculation (cast)) 2013-07-10 06:40:09 +02:00
Lucas Manuel Rodriguez
00886b4d06 Fixed #4876 (Checking for sizeof(void)) 2013-07-05 21:07:07 +02:00
PKEuS
994c429b7d Moved checks related to sizeof usage from checkother into new file 2013-04-10 09:49:38 -07:00