[PATCH] shell: Add rtems_shell_dup_current_env to get a default env.

[Sebastian Huber]

On 2014-05-29 07:10, Chris Johns wrote:
> Remove rtems_current_shell_env as this is dangerous because
> the env can be NULL if used outside of a valid shell with the
> POSIX key to an env set up.
>
> Clean up the usage of rtems_current_shell_env.

The cleanup looks good, but we should keep the rtems_global_shell_env.  I 
underestimated its widespread use, so it was an error that we removed it.  Now 
it is a constant, so you can use it only for the initialization with default 
values.

-- 
Sebastian Huber, embedded brains GmbH

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