stdarg

[Dave Eisen]

In article <1704 at bbxsda.UUCP> scott at bbxsda.UUCP (Scott Amspoker) writes:
>In article <1991Feb6.171144.7182 at Neon.Stanford.EDU> dkeisen at Gang-of-Four.Stanford.EDU (Dave Eisen) writes:
>>Probably a reasonable decision. But it does make it a pain to deal
>>with the third party software we use that is full of <varargs.h> functions
>>that can take 0 or more arguments.
>
>Just curious:  How does such a function know whether it was called with
>0 or 1 argument without the aid of some external flag?  Sounds like a
>botched up interface to me.

It can't. But there is an external flag --- a global variable that is
used to specify what calling convention will be used. It's not the
world's prettiest interface, but I really don't have any problems with
it.



--
Dave Eisen                      "If I wanted to be a diplomat, I would
1447 N. Shoreline Blvd.            have joined the foreign service."
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(415) 967-5644                   dkeisen at Gang-of-Four.Stanford.EDU (for now)