Memory leaks in Lexer and Spirit classic

[Antony Polukhin]

In boost/spirit/home/classic/tree/impl/tree_to_xml.ipp you may find the following code (line 71):

   std::auto_ptr<wchar_t> result (new wchar_t[len+1]);

This will lead to memory leak (array myst be deallocated via delete [], but auto_ptr calls delete).

To fix that issue include <boost/scoped_array.hpp> and use boost::scoped_array<wchar_t> instead of std::auto_ptr<wchar_t>

Same error can be found in ./boost/spirit/home/lex/lexer/lexertl/generate_static.hpp at line 53.

[Joel de Guzman]

(In [85415]) Fixes #9027

[Joel de Guzman]

Good catch! Thanks for spotting!

[Antony Polukhin]

Replying to djowel:

Good catch! Thanks for spotting!

Thank the guys from ​PVS-Studio. They've found it.

P.S.: I've also reported all the other bugs from that article to library maintainers.