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From: Andreas Schwab <schwab@suse.de>
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Subject: Re: BINDING_STACK_SIZE => SPECPDL_INDEX
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Juanma Barranquero <lektu@terra.es> writes:

|> In alloc.c, for example, there's that code:
|> 
|>   for (bind = specpdl; bind != specpdl_ptr; bind++)
|>     {
|>       mark_object (&bind->symbol);
|>       mark_object (&bind->old_value);
|>     }
|> 
|> Both specpdl and specpdl_ptr are pointers to the same structure, aren't
|> they? So specpdl_ptr - specpdl is really a count and not an index.

It is also an index into the specpdl array.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
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