[GRASS5] Re: [bug #1052] (grass) [rsv].proj are crashing

[Glynn Clements]

Roger Miller wrote:

> Markus, if an empty string caused the problem, then maybe a better fix would 
> be to change set_env so that an empty string never stored.  An empty string 
> could be treated like a NULL.  
> 
> At line 125 in env.c the statement
> 
> if(!value)
> 
> could be changed to 
> 
> if(!value || !strlen(value))
> 
> That way an empty string is treated the same way as sending a NULL string and 
> causes GRASS to unset the environment variable.

This should already be handled by the lines which follow:

    tv = G_store (value);
    G_strip (tv);
    if (*tv == 0)
    {
	free (tv);
	unset_env (name);
	return 1;
    }

-- 
Glynn Clements <glynn.clements at virgin.net>