--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/utilities/stringUtils.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "utilities/stringUtils.hpp"
+
+int StringUtils::replace_no_expand(char* string, const char* from, const char* to) {
+  int replace_count = 0;
+  size_t from_len = strlen(from);
+  size_t to_len = strlen(to);
+  assert(from_len >= to_len, "must not expand input");
+
+  for (char* dst = string; *dst && (dst = strstr(dst, from)) != NULL;) {
+    char* left_over = dst + from_len;
+    memmove(dst, to, to_len);                       // does not copy trailing 0 of <to>
+    dst += to_len;                                  // skip over the replacement.
+    memmove(dst, left_over, strlen(left_over) + 1); // copies the trailing 0 of <left_over>
+    ++ replace_count;
+  }
+
+  return replace_count;
+}