1 files changed, 14 insertions, 0 deletions
diff --git a/src/XIint.h b/src/XIint.h
index 571bb23..3ddc3c5 100644
--- a/src/XIint.h
+++ b/src/XIint.h
@@ -83,4 +83,18 @@ next_block(void **ptr, int size) {
     return ret;
 }
 
+#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
+
 #endif