Re: [boost] [locale] Memory leaks?

Subject: Re: [boost] [locale] Memory leaks?
From: Artyom Beilis (artyomtnk_at_[hidden])
Date: 2013-03-07 08:02:53

You had mistaken "reachable" code with memory leaks...

Especially if some std::locale::global remains etc.

It is not a bug nor even a problem.
 
Artyom Beilis
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>________________________________
> From: Jookia <166291_at_[hidden]>
>To: boost_at_[hidden] 
>Sent: Sunday, March 3, 2013 10:19 PM
>Subject: [boost] [locale] Memory leaks?
> 
>Hello!
>
>I've been debugging my application that uses Boost.Locale for the past five hours or so, and I've found it curious that it leaks memory.
>
>In order to stop it, I have to do a couple of weird things, such as including ICU in to my projects and calling u_cleanup at the end of my application. I also have to disable certain facets. I've put all this together in some source code, that by default won't leak, but uncommenting various parts will cause it to leak:
>
>// ----  BEGIN CODE ----------------------------------------------------
>
>#include <boost/locale.hpp>
>#include <unicode/uclean.h>
>#include <iostream>
>
>using namespace boost::locale;
>using namespace std;
>
>int main()
>{
>  generator gen;
>  gen.categories(
>    convert_facet     |
>    //collation_facet   | // Various errors.
>    //formatting_facet  | // Various errors.
>    //parsing_facet     | // Various errors.
>    message_facet     |
>    //codepage_facet    | // Various errors.
>    boundary_facet    |
>    calendar_facet    |
>    information_facet);
>
>  locale newLoc = gen("zh_CN.GB18030");
>
>  locale::global(newLoc);
>  cout.imbue(newLoc);
>
>  // ios_info::get doesn't clean up after itself.
>  //cout << as::date << time(0) << endl;
>
>  // Do this at the end of the program to clean up resources.
>  locale::global(std::locale("C"));
>  cout.imbue(std::locale("C"));
>  u_cleanup();
>}
>
>// ----  END CODE ------------------------------------------------------
>
>Dumping this as 'hello.cpp' and running this is how I'm debugging it:
>
>g++ hello.cpp -lboost_locale -licuuc && valgrind --leak-check=full --show-reachable=yes ./a.out
>
>Thanks,
>Jookia.
>
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>