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From: klee@wsl.dec.com (Ken Lee)
Newsgroups: comp.windows.x
Subject: Re: BadLength for XDrawLines
Message-ID: <1991Feb15.152006@wsl.dec.com>
Date: 15 Feb 91 23:20:06 GMT
References: <11474@uhccux.uhcc.Hawaii.Edu>
Sender: news@pa.dec.com (News)
Reply-To: klee@wsl.dec.com
Organization: DEC Western Software Laboratory
Lines: 23

In article <11474@uhccux.uhcc.Hawaii.Edu>, john@quonset.cfht.hawaii.edu writes:
|> I am running X11r3 code (HP has not gotten us to R4 yet) on an
|> HP9000 system and get the following errors upon requesting 16k
|> points:
|> 
|>    X Protocol error detected by server: BadLength, poly request too
|>    large or internal Xlib length error.
|>     Failed request major op code 67 (X_PolyRectangle)
|>       .....
|> 
|> The number of points is an int and I haven't exceeded that.  Is this
|> a bug in X?

X servers are required to support requests of up to 16KB, though some
support more and some Xlib's automatically break up (some) long
requests to fit.  The XMaxRequestSize() function will tell you the max
length for your server.

-- 
Ken Lee
DEC Western Software Laboratory, Palo Alto, Calif.
Internet: klee@wsl.dec.com
uucp: uunet!decwrl!klee