[cairo-bugs] [Bug 4339] xlib backend crash when using large font size

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=4339





--- Comment #7 from Behdad Esfahbod <freedesktop at behdad.org>  2008-05-23 16:12:50 PST ---
commit 1e602b82a19e093309c6c121d1af650dd8b3ec1c
Author: Behdad Esfahbod <behdad at behdad.org>
Date:   Fri May 23 19:04:13 2008 -0400

    [cairo-xlib] Fix max-request size calculations

    First, XMaxRequestSize returns number of 4-byte words.  So multiply by 4 is
    needed in all uses.  Next, XRenderAddGlyphs uses BIG-REQUEST extension if
    available, so when checking for glyph size overflow, we should use
    XExtendedMaxRequestSize() first.

    Also use the right format when calculating glyph size.

    See bug #4339 for history.


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