1 files changed, 25 insertions, 0 deletions
diff --git a/xpcom/string/nsTDependentString.cpp b/xpcom/string/nsTDependentString.cpp
new file mode 100644
index 000000000..2f3a095d1
--- /dev/null
+++ b/xpcom/string/nsTDependentString.cpp
@@ -0,0 +1,25 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+void
+nsTDependentString_CharT::Rebind(const string_type& str, uint32_t startPos)
+{
+  MOZ_ASSERT(str.Flags() & F_TERMINATED, "Unterminated flat string");
+
+  // If we currently own a buffer, release it.
+  Finalize();
+
+  size_type strLength = str.Length();
+
+  if (startPos > strLength) {
+    startPos = strLength;
+  }
+
+  mData = const_cast<char_type*>(static_cast<const char_type*>(str.Data())) + startPos;
+  mLength = strLength - startPos;
+
+  SetDataFlags(str.Flags() & (F_TERMINATED | F_LITERAL));
+}