Re: [Urgent request] : Boost default_locale() is causing an application crash!

From: kamallochan Jena (kljena2050_at_[hidden])
Date: 2020-08-25 12:06:11

Attaching a path.cpp file for reference.

On Tue, Aug 25, 2020 at 5:33 PM kamallochan Jena <kljena2050_at_[hidden]>
wrote:

> Hi All,
>
> Thank you for your kind support!
>
> In one of our applications, we are using Boost library and recently found
> an application crash because of the locale object return from below
> highlighted code from Boost source code (path.cpp).
>
> Boost library source code (File name: path.cpp and line No: 865) seems to
> return NULL locale object
> [image: image.png]
>
> As per call stack, Application is found to be crashed when
> std::use_facet() tried to Getfacet id from the passed locale object :
> [image: image.png]
> Please Note: At above line 934, path_locale() calls to the above
> default_locale()  which return an locale object with NULL value.
>
> *Can someone please answer the below queries:*
>      1>> In which scenario the code at std::locale(global_loc, new
> windows_file_codecvt);", mentioned above will return a locale object with
> NULL values ??
>
>      2>> How to enable BOOST_ASSERT_MSG, so below code will execute  ??
>            Example: BOOST_ASSERT_MSG(&path_locale(),
> "boost::filesystem::path locale initialization error");
>
>      3>> In which conditions a locale object can be null ??
>
> Thank you in Advance!!, please let me know if any further details are
> required on this issue.
>
> Regards,
> Kamal
>