Re: XForms: xyplot limit

Steve Lamont (spl@szechuan.ucsd.edu)
Thu, 23 Jul 98 19:05:18 PDT

# To subscribers of the xforms list from spl@szechuan.ucsd.edu (Steve Lamont) :

> I dug up the guts of Xlib source (X11R6.4). Here is what I found. There are
> clear signs of 65535!!!, so it seems that it may also be the npoints that
> is punished, if "dpy->bigreq_siz" is not set.

It would seem so -- *if* the server was not built with the Big
Requests extension. This is probably why it worked for me:

spl:spl> xdpyinfo
name of display: :0.0
version number: 11.0
vendor string: X Consortium
vendor release number: 6300
maximum request size: 4194300 bytes
[...]
number of extensions: 15
BIG-REQUESTS
[...]

It's a server-dependent thing.

It looks as if XForms should be checking XMaxRequestSize() to make
sure it isn't overflowing the server's request buffer.

spl

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