diff --git a/src/const-info.h b/src/const-info.h
new file mode 100644
index 00000000..38b96175
--- /dev/null
+++ b/src/const-info.h
@@ -0,0 +1,52 @@
+/**
+ *
+ * /brief priv_getdns_consts table with values, names and descriptions of the
+ *        constants in getdns
+ *
+ * The priv_getdns_get_validation_chain function is called after an answer
+ * has been fetched when the dnssec_return_validation_chain extension is set.
+ * It fetches DNSKEYs, DSes and their signatures for all RRSIGs found in the
+ * answer.
+ */
+
+/*
+ * Copyright (c) 2013, Versign, 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 <organization> 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 Verisign, Inc. 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.
+ */
+
+#ifndef CONST_INFO_H_
+#define CONST_INFO_H_
+
+struct const_info {
+	int code;
+	const char *name;
+	const char *text;
+};
+
+struct const_info *priv_getdns_get_const_info(int value);
+
+#endif
+
+/* const-info.h */
diff --git a/src/getdns/getdns_error.h b/src/getdns/getdns_error.h
deleted file mode 100644
index a437ee47..00000000
--- a/src/getdns/getdns_error.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/**
- * \file
- * @brief defines and data structure for getdns_error_str_by_id()
- *
- * This source was taken from the original pseudo-implementation by
- * Paul Hoffman.
- */
-
-#ifndef GETDNS_ERROR_H
-#define GETDNS_ERROR_H
-
-#include <getdns/getdns.h>
-
-struct getdns_struct_lookup_table
-{				/* may or may not want to move this into */
-	int id;			/* getdns.h if it's more generally useful */
-	const char *name;
-};
-
-typedef struct getdns_struct_lookup_table getdns_lookup_table;
-
-/**
- * \defgroup error_table error number to string mapping
- * @{
- */
-
-extern getdns_lookup_table getdns_error_str[];
-
-typedef enum getdns_enum_status getdns_status;
-const char *getdns_get_errorstr_by_id(uint16_t err);
-
-/** @}
- */
-
-#endif /* GETDNS_ERROR_H */
diff --git a/src/mk-const-info.c.sh b/src/mk-const-info.c.sh
new file mode 100755
index 00000000..17462423
--- /dev/null
+++ b/src/mk-const-info.c.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+cat > const-info.c << END_OF_HEAD
+/* WARNING! This file is generated by the mk-const-info.c.sh program.
+ * Do not edit manually!
+ */
+#include <getdns/getdns.h>
+#include <stdlib.h>
+#include "const-info.h"
+
+static struct const_info consts_info[] = {
+	{ -1, "/* <unknown const value> */", "/* <unknown const value> */" },
+END_OF_HEAD
+awk '/^[ 	]+GETDNS_[A-Z_]+[ 	]+=[ 	]+[0-9]+/{ print "\t{ "$3", \""$1"\", "$1"_TEXT }," }/^#define GETDNS_[A-Z_]+[ 	]+[0-9]+/ && !/^#define GETDNS_RRTYPE/ && !/_TEXT/{ print "\t{ "$3", \""$2"\", "$2"_TEXT },"}' getdns/getdns.h | sed 's/,,/,/g' >> const-info.c
+cat >> const-info.c << END_OF_TAIL
+};
+
+static int const_info_cmp(const void *a, const void *b)
+{
+	return ((struct const_info *) a)->code - ((struct const_info *) b)->code;
+}
+struct const_info *
+priv_getdns_get_const_info(int value)
+{
+	struct const_info key = { value, "", "" };
+	struct const_info *i = bsearch(&key, consts_info,
+	    sizeof(consts_info) / sizeof(struct const_info),
+	    sizeof(struct const_info), const_info_cmp);
+	if (i)
+		return i;
+	return consts_info;
+}
+
+END_OF_TAIL
+
+