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Make sure _XROOTPMAP_ID property is right type, format and length before

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attempting to use the resulting value.
This commit is contained in:
Keith Packard 2003-11-10 05:09:10 +00:00
parent febeaf7ad1
commit 37280d7888
2 changed files with 8 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2003-11-09 Keith Packard <keithp@keithp.com>
* xcompmgr.c: (root_tile):
Make sure _XROOTPMAP_ID property is right type, format and length
before attempting to use the resulting value.
2003-11-09 Keith Packard <keithp@keithp.com>
* xcompmgr.c: (configure_win):

3
xcompmgr.c
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@ -328,7 +328,8 @@ root_tile (Display *dpy)
if (XGetWindowProperty (dpy, root, XInternAtom (dpy, "_XROOTPMAP_ID", False),
0, 4, False, AnyPropertyType,
&actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success)
&actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success &&
actual_type == XInternAtom (dpy, "PIXMAP", False) && actual_format == 32 && nitems == 1)
{
memcpy (&pixmap, prop, 4);
XFree (prop);