diff --git a/include/ChangeLog b/include/ChangeLog
index eabc078d5..7ff6a80f7 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2002-10-31  David Shaw  <dshaw@jabberwocky.com>
+
+	* util.h: Add wipememory() macro.
+
 2002-10-29  Stefan Bellon  <sbellon@sbellon.de>
 
 	* util.h: Added parameter argument to make_basename() needed for
diff --git a/include/util.h b/include/util.h
index de56cbeae..9b9e0141c 100644
--- a/include/util.h
+++ b/include/util.h
@@ -261,6 +261,8 @@ int vasprintf ( char **result, const char *format, va_list args);
 #define DIM(v) (sizeof(v)/sizeof((v)[0]))
 #define DIMof(type,member)   DIM(((type *)0)->member)
 
+#define wipememory(_ptr,_len) do { volatile char *_vptr=(volatile char *)(_ptr); size_t _vlen=(_len); while(_vlen) { *_vptr=0; _vptr++; _vlen--; } } while(0)
+
 /******* RISC OS stuff ***********/
 #ifdef __riscos__
 /* needed for strcasecmp() */