--- gforth/prim	2010/09/01 16:52:12	1.256
+++ gforth/prim	2011/12/02 21:59:09	1.261
@@ -1,6 +1,6 @@
 \ Gforth primitives
 
-\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
+\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -1804,6 +1804,8 @@ if (a_addr1==NULL)
 else
   a_addr2 = (Cell *)realloc(a_addr1, u);
 wior = IOR(a_addr2==NULL);	/* !! Define a return code */
+if (a_addr2==NULL)
+  a_addr2 = a_addr1;
 
 strerror	( n -- c_addr u )	gforth
 c_addr = (Char *)strerror(n);
@@ -2031,6 +2033,18 @@ duser = timeval2us(&time1);
 dsystem = DZERO;
 #endif
 
+ntime	( -- dtime )	gforth
+""Report the current time in nanoseconds since some epoch.""
+#ifdef HAVE_CLOCK_GETTIME
+struct timespec time1;
+clock_gettime(CLOCK_REALTIME,&time1);
+dtime = timespec2ns(&time1);
+#else
+struct timeval time1;
+gettimeofday(&time1,NULL);
+dtime = timeval2us(&time1) * 1000LL;
+#endif
+
 \+
 
 \+floating