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diff --git a/netwerk/dns/nameprep_template.c b/netwerk/dns/nameprep_template.c
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+/*
+ * Copyright (c) 2001 Japan Network Information Center. All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ *
+ * LICENSE TERMS AND CONDITIONS
+ *
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ *
+ * 1. Use, Modification and Redistribution (including distribution of any
+ * modified or derived work) in source and/or binary forms is permitted
+ * under this License Terms and Conditions.
+ *
+ * 2. Redistribution of source code must retain the copyright notices as they
+ * appear in each source code file, this License Terms and Conditions.
+ *
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ * this License Terms and Conditions, in the documentation and/or other
+ * materials provided with the distribution. For the purposes of binary
+ * distribution the "Copyright Notice" refers to the following language:
+ * "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved."
+ *
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ * derived from this Software without specific prior written approval of
+ * JPNIC.
+ *
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ * "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 JPNIC 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 DAMAGES.
+ */
+
+/*
+ * Include this file once for each version of NAMEPREP.
+ * VERSION should be defined to appropriate value before inclusion.
+ */
+
+#ifndef NAMEPREP_TEMPLATE_INIT
+#define NAMEPREP_TEMPLATE_INIT
+
+/* Symbol composition. */
+#define compose_sym2(a, b) compose_sym2X(a, b)
+#define compose_sym2X(a, b) a ## b
+#define compose_sym3(a, b, c) compose_sym3X(a, b, c)
+#define compose_sym3X(a, b, c) a ## b ## c
+
+/* The table is based on "Optimized Two-Stage Table" mentioned in
+ * Unicode 3.0 page 106, extended to handle 21bit data instead of 16 bit.
+ */
+
+/* Index calculation for multi-level index tables. */
+#define IDX0(type, v) IDX_0(v, BITS1(type), BITS2(type))
+#define IDX1(type, v) IDX_1(v, BITS1(type), BITS2(type))
+#define IDX2(type, v) IDX_2(v, BITS1(type), BITS2(type))
+
+#define IDX_0(v, bits1, bits2) ((v) >> ((bits1) + (bits2)))
+#define IDX_1(v, bits1, bits2) (((v) >> (bits2)) & ((1 << (bits1)) - 1))
+#define IDX_2(v, bits1, bits2) ((v) & ((1 << (bits2)) - 1))
+
+#define BITS1(type) type ## _BITS_1
+#define BITS2(type) type ## _BITS_2
+
+#endif /* NAMEPREP_TEMPLATE_INIT */
+
+static const char *
+compose_sym2(nameprep_map_, VERSION) (uint32_t v) {
+ int idx0 = IDX0(MAP, v);
+ int idx1 = IDX1(MAP, v);
+ int idx2 = IDX2(MAP, v);
+ int offset;
+
+#define IMAP compose_sym3(nameprep_, VERSION, _map_imap)
+#define TABLE compose_sym3(nameprep_, VERSION, _map_table)
+#define DATA compose_sym3(nameprep_, VERSION, _map_data)
+ offset = TABLE[IMAP[IMAP[idx0] + idx1]].tbl[idx2];
+ if (offset == 0)
+ return (NULL); /* no mapping */
+ return (const char *)(DATA + offset);
+#undef IMAP
+#undef TABLE
+#undef DATA
+}
+
+static int
+compose_sym2(nameprep_prohibited_, VERSION) (uint32_t v) {
+ int idx0 = IDX0(PROH, v);
+ int idx1 = IDX1(PROH, v);
+ int idx2 = IDX2(PROH, v);
+ const unsigned char *bm;
+
+#define IMAP compose_sym3(nameprep_, VERSION, _prohibited_imap)
+#define BITMAP compose_sym3(nameprep_, VERSION, _prohibited_bitmap)
+ bm = BITMAP[IMAP[IMAP[idx0] + idx1]].bm;
+ return (bm[idx2 / 8] & (1 << (idx2 % 8)));
+#undef IMAP
+#undef BITMAP
+}
+
+static int
+compose_sym2(nameprep_unassigned_, VERSION) (uint32_t v) {
+ int idx0 = IDX0(UNAS, v);
+ int idx1 = IDX1(UNAS, v);
+ int idx2 = IDX2(UNAS, v);
+ const unsigned char *bm;
+
+#define IMAP compose_sym3(nameprep_, VERSION, _unassigned_imap)
+#define BITMAP compose_sym3(nameprep_, VERSION, _unassigned_bitmap)
+ bm = BITMAP[IMAP[IMAP[idx0] + idx1]].bm;
+ return (bm[idx2 / 8] & (1 << (idx2 % 8)));
+#undef IMAP
+#undef BITMAP
+}
+
+static idn_biditype_t
+compose_sym2(nameprep_biditype_, VERSION) (uint32_t v) {
+ int idx0 = IDX0(BIDI, v);
+ int idx1 = IDX1(BIDI, v);
+ int idx2 = IDX2(BIDI, v);
+ int offset;
+
+#define IMAP compose_sym3(nameprep_, VERSION, _bidi_imap)
+#define TABLE compose_sym3(nameprep_, VERSION, _bidi_table)
+#define DATA compose_sym3(nameprep_, VERSION, _bidi_data)
+ offset = TABLE[IMAP[IMAP[idx0] + idx1]].tbl[idx2];
+ return DATA[offset];
+#undef IMAP
+#undef TABLE
+#undef DATA
+}