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diff -up Xaw3d-1.5E/xc/lib/Xaw3d/Scrollbar.c.orig Xaw3d-1.5E/xc/lib/Xaw3d/Scrollbar.c
--- Xaw3d-1.5E/xc/lib/Xaw3d/Scrollbar.c.orig 2003-02-10 18:22:26.000000000 +0100
+++ Xaw3d-1.5E/xc/lib/Xaw3d/Scrollbar.c 2008-10-06 10:07:46.000000000 +0200
@@ -1087,7 +1087,11 @@ static void NotifyThumb (w, event, param
Cardinal *num_params; /* unused */
{
register ScrollbarWidget sbw = (ScrollbarWidget) w;
- float top = sbw->scrollbar.top;
+ union {
+ XtPointer pt;
+ float top;
+ } foo;
+ foo.top = sbw->scrollbar.top;
#ifndef XAW_ARROW_SCROLLBARS
if (sbw->scrollbar.direction == 0) return; /* if no StartScroll */
@@ -1116,10 +1120,10 @@ static void NotifyThumb (w, event, param
/* Removed the dependancy on scrollbar arrows. Xterm as distributed in
X11R6.6 by The XFree86 Project wants this correction, with or without
the arrows. */
- top += 0.0001;
+ foo.top += 0.0001;
/* #endif */
- XtCallCallbacks (w, XtNthumbProc, *(XtPointer*)&top);
- XtCallCallbacks (w, XtNjumpProc, (XtPointer)&top);
+ XtCallCallbacks (w, XtNthumbProc, foo.pt);
+ XtCallCallbacks (w, XtNjumpProc, (XtPointer)&sbw->scrollbar.top);
}
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