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MallocChecker warns when memory is passed into -[NSData initWithBytesNoCopy]
but isn't allocated by malloc(), because it will be deallocated by free().
However, initWithBytesNoCopy has an overload that takes an arbitrary block
for deallocating the object. If such overload is used, it is no longer
necessary to make sure that the memory is allocated by malloc().
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When a macro expending to a literal is used in a comparison, use the macro name
in the diagnostic rather than the literal. This improves readability of path
notes.
Added tests for various macro literals that could occur. Only BOOl, Int, and
NULL tests have changed behavior with this patch.
Differential Revision: https://reviews.llvm.org/D27726
llvm-svn: 289884
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When dealing with objects that represent numbers, such as Objective-C NSNumber,
the language provides little protection from accidentally interpreting
the value of a pointer to such object as the value of the number represented
by the object. Results of such mis-interpretation may be unexpected.
The checker attempts to fill this gap in cases when the code is obviously
incorrect.
With "Pedantic" option enabled, this checker enforces a coding style to
completely prevent errors of this kind (off by default).
Differential Revision: https://reviews.llvm.org/D22968
llvm-svn: 284473
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...even though the argument is declared "const void *", because this is
just a way to pass pointers around as objects. (Though NSData is often
a better one.)
PR18262
llvm-svn: 198710
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init..]” is called.
Jordan has pointed out that it is valuable to warn in cases when the arguments to init escape.
For example, NSData initWithBytes id not going to free the memory.
llvm-svn: 183062
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Suggested by Csaba. Text based on an e-mail of mine on cfe-dev.
llvm-svn: 174213
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'Inputs' subdirectory.
The general desire has been to have essentially all of the non-test
input files live in such directories, with some exceptions for obvious
and common patterns like 'foo.c' using 'foo.h'.
This came up because our distributed test runner couldn't find some of
the headers, for example with stl.cpp.
No functionality changed, just shuffling around here.
llvm-svn: 163674
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