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diff --git a/htp/bstr_builder.h b/htp/bstr_builder.h
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+/***************************************************************************
+ * Copyright (c) 2009-2010 Open Information Security Foundation
+ * Copyright (c) 2010-2013 Qualys, Inc.
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+
+ * - Neither the name of the Qualys, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ ***************************************************************************/
+
+/**
+ * @file
+ * @author Ivan Ristic <ivanr@webkreator.com>
+ */
+
+#ifndef _BSTR_BUILDER_H
+#define	_BSTR_BUILDER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct bstr_builder_t bstr_builder_t;
+
+#include "htp_list.h"
+
+struct bstr_builder_t {
+    htp_list_t *pieces;
+};
+
+#define BSTR_BUILDER_DEFAULT_SIZE 16
+
+/**
+ * Adds one new string to the builder. This function will adopt the
+ * string and destroy it when the builder itself is destroyed.
+ *
+ * @param[in] bb
+ * @param[in] b
+ * @return HTP_OK on success, HTP_ERROR on failure.
+ */
+htp_status_t bstr_builder_appendn(bstr_builder_t *bb, bstr *b);
+
+/**
+ * Adds one new piece, in the form of a NUL-terminated string, to
+ * the builder. This function will make a copy of the provided string.
+ *
+ * @param[in] bb
+ * @param[in] cstr
+ * @return HTP_OK on success, HTP_ERROR on failure.
+ */
+htp_status_t bstr_builder_append_c(bstr_builder_t *bb, const char *cstr);
+
+/**
+ * Adds one new piece, defined with the supplied pointer and
+ * length, to the builder. This function will make a copy of the
+ * provided data region.
+ *
+ * @param[in] bb
+ * @param[in] data
+ * @param[in] len
+ * @return @return HTP_OK on success, HTP_ERROR on failure.
+ */
+htp_status_t bstr_builder_append_mem(bstr_builder_t *bb, const void *data, size_t len);
+
+/**
+ * Clears this string builder, destroying all existing pieces. You may
+ * want to clear a builder once you've either read all the pieces and
+ * done something with them, or after you've converted the builder into
+ * a single string.
+ *
+ * @param[in] bb
+ */
+void bstr_builder_clear(bstr_builder_t *bb);
+
+/**
+ * Creates a new string builder.
+ *
+ * @return New string builder, or NULL on error.
+ */
+bstr_builder_t *bstr_builder_create(void);
+
+/**
+ * Destroys an existing string builder, also destroying all
+ * the pieces stored within.
+ *
+ * @param[in] bb
+ */
+void bstr_builder_destroy(bstr_builder_t *bb);
+
+/**
+ * Returns the size (the number of pieces) currently in a string builder.
+ *
+ * @param[in] bb
+ * @return size
+ */
+size_t bstr_builder_size(const bstr_builder_t *bb);
+
+/**
+ * Creates a single string out of all the pieces held in a
+ * string builder. This method will not destroy any of the pieces.
+ *
+ * @param[in] bb
+ * @return New string, or NULL on error.
+ */
+bstr *bstr_builder_to_str(const bstr_builder_t *bb);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _BSTR_BUILDER_H */
+