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x11: XMaxRequestSize returns 4-byte units

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XMaxRequestSize/XMaxExtendedRequestSize are documented to return
the maximum size in 4-byte units, whereas we are comparing this
to byte lenghts. We can afford 4x the data here.

Since I don't know the payload size of the XChangeProperty request,
be generous and allot 400 bytes for it, we have some to spare.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1198

(cherry picked from commit 06d67b6abf)
This commit is contained in:
Carlos Garnacho 2020-04-10 17:08:26 +02:00 committed by Robert Mader
parent fdcb68f4d0
commit 40dc22659b
1 changed files with 1 additions and 1 deletions
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src/x11/meta-x11-selection-output-stream.c
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@ -110,7 +110,7 @@ get_max_request_size (MetaX11Display *display)
if (size <= 0)
size = XMaxRequestSize (display->xdisplay);
return size - 100;
return (size - 100) * 4;
}
static gboolean