diff --git a/ndn-cpp/c/util/dynamic-uint8-array.h b/ndn-cpp/c/util/dynamic-uint8-array.h
new file mode 100644
index 0000000..8b7b489
--- /dev/null
+++ b/ndn-cpp/c/util/dynamic-uint8-array.h
@@ -0,0 +1,93 @@
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_DYNAMICUCHARARRAY_H
+#define NDN_DYNAMICUCHARARRAY_H
+
+#include "../errors.h"
+#include "ndn_memory.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ndn_DynamicUInt8Array {
+  uint8_t *array; /**< the allocated array buffer */
+  unsigned int length;  /**< the length of the allocated array buffer */
+  uint8_t * (*realloc)
+    (struct ndn_DynamicUInt8Array *self, uint8_t *array, unsigned int length); /**< a pointer to a function that reallocates array and returns a new pointer to a buffer of
+                                                                                      * length bytes, or 0 for error.  On success, the contents of the old buffer are copied to the new one.
+                                                                                      * On success, the original array pointer will no longer be used.
+                                                                                      * self is a pointer to the struct ndn_DynamicUInt8Array which is calling realloc.
+                                                                                      * This function pointer may be 0 (which causes an error if a reallocate is necessary). */
+};
+
+/**
+ * Initialize an ndn_DynamicUInt8Array struct with the given array buffer.
+ * @param self pointer to the ndn_DynamicUInt8Array struct
+ * @param array the allocated array buffer
+ * @param length the length of the allocated array buffer
+ * @param reallocFunction see ndn_DynamicUInt8Array_ensureLength.  This may be 0.
+ */
+static inline void ndn_DynamicUInt8Array_initialize
+  (struct ndn_DynamicUInt8Array *self, uint8_t *array, unsigned int length, 
+   uint8_t * (*reallocFunction)(struct ndn_DynamicUInt8Array *self, uint8_t *, unsigned int)) 
+{
+  self->array = array;
+  self->length = length;
+  self->realloc = reallocFunction;
+}
+
+/**
+ * Do the work of ndn_DynamicUInt8Array_ensureLength if realloc is necessary.
+ * If the self->realloc function pointer is null, then return an error.
+ * If not null, call self->realloc to reallocate self->array, and update self->length (which may be greater than length).
+ * @param self pointer to the ndn_DynamicUInt8Array struct
+ * @param length the needed minimum size for self->length
+ * @return 0 for success, else an error code if can't reallocate the array
+ */
+ndn_Error ndn_DynamicUInt8Array_reallocArray(struct ndn_DynamicUInt8Array *self, unsigned int length);
+
+/**
+ * Ensure that self->length is greater than or equal to length.  If it is, just return 0 for success.
+ * Otherwise, if the self->realloc function pointer is null, then return an error.
+ * If not null, call self->realloc to reallocate self->array, and update self->length (which may be greater than length).
+ * @param self pointer to the ndn_DynamicUInt8Array struct
+ * @param length the needed minimum size for self->length
+ * @return 0 for success, else an error code if need to reallocate the array but can't
+ */
+static inline ndn_Error ndn_DynamicUInt8Array_ensureLength(struct ndn_DynamicUInt8Array *self, unsigned int length) 
+{
+  if (self->length >= length)
+    return NDN_ERROR_success;
+
+  return ndn_DynamicUInt8Array_reallocArray(self, length);
+}
+
+/**
+ * Copy value into self->array at offset, using ndn_DynamicUInt8Array_ensureLength to make sure self->array has enough length.
+ * @param self pointer to the ndn_DynamicUInt8Array struct
+ * @param value the buffer to copy from
+ * @param valueLength the length of the value buffer
+ * @param offset the offset in self->array to copy to
+ * @return 0 for success, else an error code if need to reallocate the array but can't
+ */
+static inline ndn_Error ndn_DynamicUInt8Array_set
+  (struct ndn_DynamicUInt8Array *self, uint8_t *value, unsigned int valueLength, unsigned int offset) 
+{
+  ndn_Error error;
+  if ((error = ndn_DynamicUInt8Array_ensureLength(self, valueLength + offset)))
+    return error;
+  ndn_memcpy(self->array + offset, value, valueLength);
+  return NDN_ERROR_success;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+