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From "Travis Vitek (JIRA)" <j...@apache.org>
Subject [jira] Updated: (STDCXX-580) purify reports memory leaked by strstream example
Date Fri, 05 Oct 2007 22:29:50 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Travis Vitek updated STDCXX-580:
--------------------------------

    Attachment: stdcxx-580.patch

> purify reports memory leaked by strstream example 
> --------------------------------------------------
>
>                 Key: STDCXX-580
>                 URL: https://issues.apache.org/jira/browse/STDCXX-580
>             Project: C++ Standard Library
>          Issue Type: Improvement
>          Components: Examples
>            Reporter: Travis Vitek
>            Assignee: Travis Vitek
>            Priority: Minor
>             Fix For: 4.2.1
>
>         Attachments: stdcxx-580.patch
>
>
> The example calls inout.str() which calls freeze(). If the streams streambuf if frozen,
the destructor is not allowed to free the memory [D.7.1.2 p8]. 
> ****  Purify instrumented ./strstream (pid 21780)  ****
> Purify: Searching for all memory leaks...
> Memory leaked: 128 bytes (1.15%); potentially leaked: 0 bytes (0%)
> MLK: 128 bytes leaked at 0x40027788
>   * This memory was allocated from:
> 	malloc         [rtlib.o]
> 	__nWa__FuL     [libCsup_v2.2]
> 	operator new[](unsigned long) [rtlib.o]
> 	std::strstreambuf::setbuf(char *,long) [strstream.cpp:294]
> 	std::strstreambuf::overflow(int) [strstream.cpp:85]
> 	std::basic_streambuf<char,std::char_traits<char>>::xsputn(const char *,long)
[streambuf.cc:144]

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