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-rw-r--r--src/XpExtUtil.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/XpExtUtil.h b/src/XpExtUtil.h
index d479a95..1889825 100644
--- a/src/XpExtUtil.h
+++ b/src/XpExtUtil.h
@@ -48,6 +48,20 @@ extern char *_xpstrdup(
const char * /* str */
);
+#ifndef HAVE__XEATDATAWORDS
+#include <X11/Xmd.h> /* for LONG64 on 64-bit platforms */
+#include <limits.h>
+
+static inline void _XEatDataWords(Display *dpy, unsigned long n)
+{
+# ifndef LONG64
+ if (n >= (ULONG_MAX >> 2))
+ _XIOError(dpy);
+# endif
+ _XEatData (dpy, n << 2);
+}
+#endif
+
_XFUNCPROTOEND
#endif /* _XPEXTUTIL_H */