diff -r 000000000000 -r 6474c204b198 nsprpub/lib/libc/src/strcpy.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nsprpub/lib/libc/src/strcpy.c	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "plstr.h"
+#include <string.h>
+
+PR_IMPLEMENT(char *)
+PL_strcpy(char *dest, const char *src)
+{
+    if( ((char *)0 == dest) || ((const char *)0 == src) ) return (char *)0;
+
+    return strcpy(dest, src);
+}
+
+PR_IMPLEMENT(char *)
+PL_strncpy(char *dest, const char *src, PRUint32 max)
+{
+    char *rv;
+    
+    if( (char *)0 == dest ) return (char *)0;
+    if( (const char *)0 == src ) return (char *)0;
+
+    for( rv = dest; max && ((*dest = *src) != 0); dest++, src++, max-- )
+        ;
+
+#ifdef JLRU
+    /* XXX I (wtc) think the -- and ++ operators should be postfix. */
+    while( --max )
+        *++dest = '\0';
+#endif /* JLRU */
+
+    return rv;
+}
+
+PR_IMPLEMENT(char *)
+PL_strncpyz(char *dest, const char *src, PRUint32 max)
+{
+    char *rv;
+    
+    if( (char *)0 == dest ) return (char *)0;
+    if( (const char *)0 == src ) return (char *)0;
+    if( 0 == max ) return (char *)0;
+
+    for( rv = dest, max--; max && ((*dest = *src) != 0); dest++, src++, max-- )
+        ;
+
+    *dest = '\0';
+
+    return rv;
+}