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diff --git a/lib/libiconv_modules/BIG5/citrus_big5.c b/lib/libiconv_modules/BIG5/citrus_big5.c
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+/* $FreeBSD$ */
+/* $NetBSD: citrus_big5.c,v 1.12 2008/06/14 16:01:07 tnozaki Exp $ */
+
+/*-
+ * Copyright (c)2002, 2006 Citrus Project,
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+/*-
+ * Copyright (c) 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Paul Borman at Krystal Technologies.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/queue.h>
+#include <sys/types.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+#include "citrus_namespace.h"
+#include "citrus_prop.h"
+#include "citrus_types.h"
+#include "citrus_bcs.h"
+#include "citrus_module.h"
+#include "citrus_stdenc.h"
+#include "citrus_big5.h"
+
+/* ----------------------------------------------------------------------
+ * private stuffs used by templates
+ */
+
+typedef struct {
+ int chlen;
+ char ch[2];
+} _BIG5State;
+
+typedef struct _BIG5Exclude {
+ TAILQ_ENTRY(_BIG5Exclude) entry;
+ wint_t end;
+ wint_t start;
+} _BIG5Exclude;
+
+typedef TAILQ_HEAD(_BIG5ExcludeList, _BIG5Exclude) _BIG5ExcludeList;
+
+typedef struct {
+ _BIG5ExcludeList excludes;
+ int cell[0x100];
+} _BIG5EncodingInfo;
+
+#define _CEI_TO_EI(_cei_) (&(_cei_)->ei)
+#define _CEI_TO_STATE(_cei_, _func_) (_cei_)->states.s_##_func_
+
+#define _FUNCNAME(m) _citrus_BIG5_##m
+#define _ENCODING_INFO _BIG5EncodingInfo
+#define _ENCODING_STATE _BIG5State
+#define _ENCODING_MB_CUR_MAX(_ei_) 2
+#define _ENCODING_IS_STATE_DEPENDENT 0
+#define _STATE_NEEDS_EXPLICIT_INIT(_ps_) 0
+
+
+static __inline void
+/*ARGSUSED*/
+_citrus_BIG5_init_state(_BIG5EncodingInfo * __restrict ei __unused,
+ _BIG5State * __restrict s)
+{
+
+ memset(s, 0, sizeof(*s));
+}
+
+static __inline void
+/*ARGSUSED*/
+_citrus_BIG5_pack_state(_BIG5EncodingInfo * __restrict ei __unused,
+ void * __restrict pspriv,
+ const _BIG5State * __restrict s)
+{
+
+ memcpy(pspriv, (const void *)s, sizeof(*s));
+}
+
+static __inline void
+/*ARGSUSED*/
+_citrus_BIG5_unpack_state(_BIG5EncodingInfo * __restrict ei __unused,
+ _BIG5State * __restrict s,
+ const void * __restrict pspriv)
+{
+
+ memcpy((void *)s, pspriv, sizeof(*s));
+}
+
+static __inline int
+_citrus_BIG5_check(_BIG5EncodingInfo *ei, unsigned int c)
+{
+
+ return ((ei->cell[c & 0xFF] & 0x1) ? 2 : 1);
+}
+
+static __inline int
+_citrus_BIG5_check2(_BIG5EncodingInfo *ei, unsigned int c)
+{
+
+ return ((ei->cell[c & 0xFF] & 0x2) ? 1 : 0);
+}
+
+static __inline int
+_citrus_BIG5_check_excludes(_BIG5EncodingInfo *ei, wint_t c)
+{
+ _BIG5Exclude *exclude;
+
+ TAILQ_FOREACH(exclude, &ei->excludes, entry) {
+ if (c >= exclude->start && c <= exclude->end)
+ return (EILSEQ);
+ }
+ return (0);
+}
+
+static int
+_citrus_BIG5_fill_rowcol(void ** __restrict ctx, const char * __restrict s,
+ uint64_t start, uint64_t end)
+{
+ _BIG5EncodingInfo *ei;
+ uint64_t n;
+ int i;
+
+ if (start > 0xFF || end > 0xFF)
+ return (EINVAL);
+ ei = (_BIG5EncodingInfo *)ctx;
+ i = strcmp("row", s) ? 1 : 0;
+ i = 1 << i;
+ for (n = start; n <= end; ++n)
+ ei->cell[n & 0xFF] |= i;
+ return (0);
+}
+
+static int
+/*ARGSUSED*/
+_citrus_BIG5_fill_excludes(void ** __restrict ctx,
+ const char * __restrict s __unused, uint64_t start, uint64_t end)
+{
+ _BIG5EncodingInfo *ei;
+ _BIG5Exclude *exclude;
+
+ if (start > 0xFFFF || end > 0xFFFF)
+ return (EINVAL);
+ ei = (_BIG5EncodingInfo *)ctx;
+ exclude = TAILQ_LAST(&ei->excludes, _BIG5ExcludeList);
+ if (exclude != NULL && (wint_t)start <= exclude->end)
+ return (EINVAL);
+ exclude = (void *)malloc(sizeof(*exclude));
+ if (exclude == NULL)
+ return (ENOMEM);
+ exclude->start = (wint_t)start;
+ exclude->end = (wint_t)end;
+ TAILQ_INSERT_TAIL(&ei->excludes, exclude, entry);
+
+ return (0);
+}
+
+static const _citrus_prop_hint_t root_hints[] = {
+ _CITRUS_PROP_HINT_NUM("row", &_citrus_BIG5_fill_rowcol),
+ _CITRUS_PROP_HINT_NUM("col", &_citrus_BIG5_fill_rowcol),
+ _CITRUS_PROP_HINT_NUM("excludes", &_citrus_BIG5_fill_excludes),
+ _CITRUS_PROP_HINT_END
+};
+
+static void
+/*ARGSUSED*/
+_citrus_BIG5_encoding_module_uninit(_BIG5EncodingInfo *ei)
+{
+ _BIG5Exclude *exclude;
+
+ while ((exclude = TAILQ_FIRST(&ei->excludes)) != NULL) {
+ TAILQ_REMOVE(&ei->excludes, exclude, entry);
+ free(exclude);
+ }
+}
+
+static int
+/*ARGSUSED*/
+_citrus_BIG5_encoding_module_init(_BIG5EncodingInfo * __restrict ei,
+ const void * __restrict var, size_t lenvar)
+{
+ void *ctx = (void *)ei;
+ const char *s;
+ int err;
+
+ memset((void *)ei, 0, sizeof(*ei));
+ TAILQ_INIT(&ei->excludes);
+
+ if (lenvar > 0 && var != NULL) {
+ s = _bcs_skip_ws_len((const char *)var, &lenvar);
+ if (lenvar > 0 && *s != '\0') {
+ err = _citrus_prop_parse_variable(
+ root_hints, (void *)ei, s, lenvar);
+ if (err == 0)
+ return (0);
+
+ _citrus_BIG5_encoding_module_uninit(ei);
+ memset((void *)ei, 0, sizeof(*ei));
+ TAILQ_INIT(&ei->excludes);
+ }
+ }
+
+ /* fallback Big5-1984, for backward compatibility. */
+ _citrus_BIG5_fill_rowcol((void **)&ctx, "row", 0xA1, 0xFE);
+ _citrus_BIG5_fill_rowcol((void **)&ctx, "col", 0x40, 0x7E);
+ _citrus_BIG5_fill_rowcol((void **)&ctx, "col", 0xA1, 0xFE);
+
+ return (0);
+}
+
+static int
+/*ARGSUSED*/
+_citrus_BIG5_mbrtowc_priv(_BIG5EncodingInfo * __restrict ei,
+ wchar_t * __restrict pwc,
+ char ** __restrict s, size_t n,
+ _BIG5State * __restrict psenc,
+ size_t * __restrict nresult)
+{
+ wchar_t wchar;
+ char *s0;
+ int c, chlenbak;
+
+ s0 = *s;
+
+ if (s0 == NULL) {
+ _citrus_BIG5_init_state(ei, psenc);
+ *nresult = 0;
+ return (0);
+ }
+
+ chlenbak = psenc->chlen;
+
+ /* make sure we have the first byte in the buffer */
+ switch (psenc->chlen) {
+ case 0:
+ if (n < 1)
+ goto restart;
+ psenc->ch[0] = *s0++;
+ psenc->chlen = 1;
+ n--;
+ break;
+ case 1:
+ break;
+ default:
+ /* illegal state */
+ goto ilseq;
+ }
+
+ c = _citrus_BIG5_check(ei, psenc->ch[0] & 0xff);
+ if (c == 0)
+ goto ilseq;
+ while (psenc->chlen < c) {
+ if (n < 1) {
+ goto restart;
+ }
+ psenc->ch[psenc->chlen] = *s0++;
+ psenc->chlen++;
+ n--;
+ }
+
+ switch (c) {
+ case 1:
+ wchar = psenc->ch[0] & 0xff;
+ break;
+ case 2:
+ if (!_citrus_BIG5_check2(ei, psenc->ch[1] & 0xff))
+ goto ilseq;
+ wchar = ((psenc->ch[0] & 0xff) << 8) | (psenc->ch[1] & 0xff);
+ break;
+ default:
+ /* illegal state */
+ goto ilseq;
+ }
+
+ if (_citrus_BIG5_check_excludes(ei, (wint_t)wchar) != 0)
+ goto ilseq;
+
+ *s = s0;
+ psenc->chlen = 0;
+ if (pwc)
+ *pwc = wchar;
+ *nresult = wchar ? c - chlenbak : 0;
+
+ return (0);
+
+ilseq:
+ psenc->chlen = 0;
+ *nresult = (size_t)-1;
+ return (EILSEQ);
+
+restart:
+ *s = s0;
+ *nresult = (size_t)-2;
+ return (0);
+}
+
+static int
+/*ARGSUSED*/
+_citrus_BIG5_wcrtomb_priv(_BIG5EncodingInfo * __restrict ei,
+ char * __restrict s,
+ size_t n, wchar_t wc, _BIG5State * __restrict psenc __unused,
+ size_t * __restrict nresult)
+{
+ unsigned char l;
+ int ret;
+
+ /* check invalid sequence */
+ if (wc & ~0xffff ||
+ _citrus_BIG5_check_excludes(ei, (wint_t)wc) != 0) {
+ ret = EILSEQ;
+ goto err;
+ }
+
+ if (wc & 0x8000) {
+ if (_citrus_BIG5_check(ei, (wc >> 8) & 0xff) != 2 ||
+ !_citrus_BIG5_check2(ei, wc & 0xff)) {
+ ret = EILSEQ;
+ goto err;
+ }
+ l = 2;
+ } else {
+ if (wc & ~0xff || !_citrus_BIG5_check(ei, wc & 0xff)) {
+ ret = EILSEQ;
+ goto err;
+ }
+ l = 1;
+ }
+
+ if (n < l) {
+ /* bound check failure */
+ ret = E2BIG;
+ goto err;
+ }
+
+ if (l == 2) {
+ s[0] = (wc >> 8) & 0xff;
+ s[1] = wc & 0xff;
+ } else
+ s[0] = wc & 0xff;
+
+ *nresult = l;
+
+ return (0);
+
+err:
+ *nresult = (size_t)-1;
+ return (ret);
+}
+
+static __inline int
+/*ARGSUSED*/
+_citrus_BIG5_stdenc_wctocs(_BIG5EncodingInfo * __restrict ei __unused,
+ _csid_t * __restrict csid,
+ _index_t * __restrict idx, wchar_t wc)
+{
+
+ *csid = (wc < 0x100) ? 0 : 1;
+ *idx = (_index_t)wc;
+
+ return (0);
+}
+
+static __inline int
+/*ARGSUSED*/
+_citrus_BIG5_stdenc_cstowc(_BIG5EncodingInfo * __restrict ei __unused,
+ wchar_t * __restrict wc,
+ _csid_t csid, _index_t idx)
+{
+
+ switch (csid) {
+ case 0:
+ case 1:
+ *wc = (wchar_t)idx;
+ break;
+ default:
+ return (EILSEQ);
+ }
+
+ return (0);
+}
+
+static __inline int
+/*ARGSUSED*/
+_citrus_BIG5_stdenc_get_state_desc_generic(_BIG5EncodingInfo * __restrict ei __unused,
+ _BIG5State * __restrict psenc,
+ int * __restrict rstate)
+{
+
+ *rstate = (psenc->chlen == 0) ? _STDENC_SDGEN_INITIAL :
+ _STDENC_SDGEN_INCOMPLETE_CHAR;
+ return (0);
+}
+
+/* ----------------------------------------------------------------------
+ * public interface for stdenc
+ */
+
+_CITRUS_STDENC_DECLS(BIG5);
+_CITRUS_STDENC_DEF_OPS(BIG5);
+
+#include "citrus_stdenc_template.h"
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