[ https://issues.apache.org/jira/browse/
STDCXX-584?page=com.atlassian.jira.plugin.system.issuetabpan
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Farid Zaripov commented on STDCXX-584:
--------------------------------------
Commited thus:
http://svn.apache.org/viewvc?rev=587886&view=rev
> purify reports memory leak from __rw_vfmtwhat in
18.exception test
>
------------------------------------------------------------
------
>
> Key: STDCXX-584
> URL: http
s://issues.apache.org/jira/browse/STDCXX-584
> Project: C++ Standard Library
> Issue Type: Improvement
> Components: Tests
> Reporter: Travis Vitek
> Assignee: Travis Vitek
> Priority: Trivial
> Fix For: 4.2.1
>
> Attachments: stdcxx-584.patch
>
>
> The library uses a system of functions for platforms
that don't support exceptions. The __rw_throw function calls
__rw_vfmtwhat() to get a string describing the exception
that has occured. Under some conditions the string is
allocated from the heap as an array of characters.
Eventually __rw_throw invokes a function via pointer
(__rw_throw_proc) that is supposed to process the exception
(possibly by throwing a real exception object).
Unfortunately the test does not deallocate the string that
was allocated by __rw_vfmtwhat().
> Purify: Searching for all memory leaks...
> Memory leaked: 3072 bytes (25.6%); potentially leaked:
0 bytes (0%)
> wLK: 3072 bytes leaked in 12 blocks
> * This memory was allocated from:
> malloc [rtlib.o]
> operator new(unsigned) [libstd15d.so]
> operator new [](unsigned) [libstd15d.so]
> __rw::__rw_vfmtwhat(char*, unsigned, char const*,
char*) [exception.cpp:479]
> __rw::__rw_throw(int, ...) [exception.cpp:825]
> test_rw_throw() [18.exception.cpp:527]
> * Block of 256 bytes (12 times); last block at
0x8118de0
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