On Thu, Sep 9, 2010 at 4:13 PM, erik quanstrom <[email protected]> wrote:
> lately, i've been seeing email with gigantic headers.
> 120 header lines are not that uncommon. unfortunately
> upas has sometimes inserts a blank line about
> (but not exactly) 4k into the file. a bit of digging, upas/send
> was assuming that if yacc didn't stop at a blank line, one should
> be inserted. unfortunately, yacc was stopping because it ran out of stack
> space. the hack is to increase YYMAXDEPTH. ideally,
> each line should be parsed independently, thus making
> yacc's depth depend only on the complexity of a line.
or change the grammar not to need unlimited stack space.
it says
fields : '\n'
{ yydone = 1; }
| field '\n'
| field '\n' fields
;
but i think you can change it to
fields : fieldlist '\n'
{ yydone = 1; }
;
fieldlist :
| fieldlist field '\n'
;
russ
