Re: Converting nil to NULL

On Nov 11, 2004, at 8:07 AM, Berger, Daniel wrote:

> Hi all,
>
> Is there a way to reduce this to a single step?  Can we modify
> StringValuePtr() to return NULL if its argument is nil?

You could create you own version:

char *
my_string_value_ptr(ptr)
     volatile VALUE *ptr;
{
	if (NIL_P(*ptr)) return NULL;
	return RSTRING(rb_string_value(ptr))->ptr;
}

#define MyStringValuePtr(s) my_string_value_ptr(&(s))

> Or would that
> break too many things?
>

That would sure break *alot* of my code :)

-Charlie