Added DynamicUCharVector.
diff --git a/ndn-cpp/util/dynamic-uchar-vector.hpp b/ndn-cpp/util/dynamic-uchar-vector.hpp
new file mode 100644
index 0000000..f372aff
--- /dev/null
+++ b/ndn-cpp/util/dynamic-uchar-vector.hpp
@@ -0,0 +1,48 @@
+/**
+ * @author: Jeff Thompson
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_DYNAMIC_UCHAR_VECTOR_HPP
+#define NDN_DYNAMIC_UCHAR_VECTOR_HPP
+
+#include <vector>
+#include "../common.hpp"
+#include "../c/util/dynamic-uchar-array.h"
+
+namespace ndn {
+
+/**
+ * A DynamicUCharVector extends ndn_DynamicUCharArray to hold a shared_ptr<vector<unsigned char> > for use with
+ * C functions which need an ndn_DynamicUCharArray.
+ */
+class DynamicUCharVector : ndn_DynamicUCharArray {
+public:
+ /**
+ * Create a new DynamicUCharVector with an initial length.
+ * @param initialLength The initial size of the allocated vector.
+ */
+ DynamicUCharVector(unsigned int initialLength);
+
+ /**
+ * Get the shared_ptr to the allocated vector.
+ * @return The shared_ptr to the allocated vector.
+ */
+ const ptr_lib::shared_ptr<std::vector<unsigned char> > &get() { return vector_; }
+
+private:
+ /**
+ * Implement the static realloc function using vector reserve.
+ * @param self A pointer to this object.
+ * @param array Should be the front of the vector.
+ * @param length The new length for the vector.
+ * @return The front of the allocated vector.
+ */
+ static unsigned char *realloc(struct ndn_DynamicUCharArray *self, unsigned char *array, unsigned int length);
+
+ ndn::ptr_lib::shared_ptr<std::vector<unsigned char> > vector_;
+};
+
+}
+
+#endif