Add conversion procs for CREATE CONVERSION
authorTatsuo Ishii
Tue, 16 Jul 2002 09:25:06 +0000 (09:25 +0000)
committerTatsuo Ishii
Tue, 16 Jul 2002 09:25:06 +0000 (09:25 +0000)
36 files changed:
src/backend/utils/mb/conversion_procs/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/euc_jp_and_sjis.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/sjis.map [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/euc_tw_and_big5/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/euc_tw_and_big5/big5.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/euc_tw_and_big5/euc_tw_and_big5.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/proc.mk [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_ascii/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_ascii/utf8_and_ascii.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_big5/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_big5/utf8_and_big5.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_euc_cn/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_euc_cn/utf8_and_euc_cn.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_euc_jp/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_euc_jp/utf8_and_euc_jp.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_euc_kr/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_euc_kr/utf8_and_euc_kr.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_euc_tw/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_euc_tw/utf8_and_euc_tw.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_gb18030/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_gb18030/utf8_and_gb18030.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_gbk/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_gbk/utf8_and_gbk.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_iso8859/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_iso8859/utf8_and_iso8859.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_iso8859_1/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_iso8859_1/utf8_and_iso8859_1.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_johab/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_johab/utf8_and_johab.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_sjis/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_sjis/utf8_and_sjis.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_tcvn/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_tcvn/utf8_and_tcvn.c [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_uhc/Makefile [new file with mode: 0644]
src/backend/utils/mb/conversion_procs/utf8_and_uhc/utf8_and_uhc.c [new file with mode: 0644]

diff --git a/src/backend/utils/mb/conversion_procs/Makefile b/src/backend/utils/mb/conversion_procs/Makefile
new file mode 100644 (file)
index 0000000..e8335d2
--- /dev/null
@@ -0,0 +1,118 @@
+#-------------------------------------------------------------------------
+#
+# Makefile--
+#    Makefile for utils/mb/conversion_procs
+#
+# IDENTIFICATION
+#    $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/Makefile,v 1.1 2002/07/16 09:25:04 ishii Exp $
+#
+#-------------------------------------------------------------------------
+
+subdir = src/backend/utils/mb/conversion_procs
+top_builddir = ../../../../..
+include $(top_builddir)/src/Makefile.global
+
+SQLSCRIPT = conversion_create.sql
+
+DIRS = \
+   utf8_and_ascii utf8_and_iso8859_1 \
+   utf8_and_euc_jp utf8_and_euc_kr utf8_and_euc_cn utf8_and_euc_tw \
+   utf8_and_sjis utf8_and_big5 utf8_and_gbk utf8_and_gb18030 \
+   utf8_and_uhc utf8_and_johab utf8_and_tcvn utf8_and_iso8859 \
+   euc_jp_and_sjis euc_tw_and_big5
+
+# conversion_name source_encoding destination_encoding function object
+$(SQLSCRIPT): Makefile
+   @set \
+       utf8_to_ascii UNICODE SQL_ASCII utf8_to_ascii utf8_and_ascii \
+       ascii_to_utf8 SQL_ASCII UNICODE ascii_to_utf8 utf8_and_ascii \
+       utf8_to_iso8859_1 UNICODE LATIN1 utf8_to_iso8859_1 utf8_and_iso8859_1 \
+       iso8859_1_to_utf8 LATIN1 UNICODE iso8859_1_to_utf8 utf8_and_iso8859_1 \
+       euc_jp_to_utf8 EUC_JP UNICODE euc_jp_to_utf8 utf8_and_euc_jp \
+       utf8_to_euc_jp UNICODE EUC_JP utf8_to_euc_jp utf8_and_euc_jp \
+       euc_kr_to_utf8 EUC_KR UNICODE euc_kr_to_utf8 utf8_and_euc_kr \
+       utf8_to_euc_kr UNICODE EUC_KR utf8_to_euc_kr utf8_and_euc_kr \
+       euc_cn_to_utf8 EUC_CN UNICODE euc_cn_to_utf8 utf8_and_euc_cn \
+       utf8_to_euc_cn UNICODE EUC_CN utf8_to_euc_cn utf8_and_euc_cn \
+       euc_tw_to_utf8 EUC_TW UNICODE euc_tw_to_utf8 utf8_and_euc_tw \
+       utf8_to_euc_tw UNICODE EUC_TW utf8_to_euc_tw utf8_and_euc_tw \
+       sjis_to_utf8 SJIS UNICODE sjis_to_utf8 utf8_and_sjis \
+       utf8_to_sjis UNICODE SJIS utf8_to_sjis utf8_and_sjis \
+       big5_to_utf8 BIG5 UNICODE big5_to_utf8 utf8_and_big5 \
+       utf8_to_big5 UNICODE BIG5 utf8_to_big5 utf8_and_big5 \
+       gbk_to_utf8 GBK UNICODE gbk_to_utf8 utf8_and_gbk \
+       utf8_to_gbk UNICODE GBK utf8_to_gbk utf8_and_gbk \
+       gb18030_to_utf8 GB18030 UNICODE gb18030_to_utf8 utf8_and_gb18030 \
+       utf8_to_gb18030 UNICODE GB18030 utf8_to_gb18030 utf8_and_gb18030 \
+       uhc_to_utf8 UHC UNICODE uhc_to_utf8 utf8_and_uhc \
+       utf8_to_uhc UNICODE UHC utf8_to_uhc utf8_and_uhc \
+       johab_to_utf8 JOHAB UNICODE johab_to_utf8 utf8_and_johab \
+       utf8_to_johab UNICODE JOHAB utf8_to_johab utf8_and_johab \
+       tcvn_to_utf8 TCVN UNICODE tcvn_to_utf8 utf8_and_tcvn \
+       utf8_to_tcvn UNICODE TCVN utf8_to_tcvn utf8_and_tcvn \
+       utf8_to_iso8859_2 UNICODE LATIN2 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_2_to_utf8 LATIN2 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_3 UNICODE LATIN3 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_3_to_utf8 LATIN3 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_4 UNICODE LATIN4 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_4_to_utf8 LATIN4 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_9 UNICODE LATIN5 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_9_to_utf8 LATIN5 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_10 UNICODE LATIN6 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_10_to_utf8 LATIN6 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_13 UNICODE LATIN7 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_13_to_utf8 LATIN7 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_14 UNICODE LATIN8 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_14_to_utf8 LATIN8 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_15 UNICODE LATIN9 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_15_to_utf8 LATIN9 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_16 UNICODE LATIN10 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_16_to_utf8 LATIN10 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_5 UNICODE ISO-8859-5 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_5_to_utf8 ISO-8859-5 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_6 UNICODE ISO-8859-6 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_6_to_utf8 ISO-8859-6 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_7 UNICODE ISO-8859-7 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_7_to_utf8 ISO-8859-7 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       utf8_to_iso8859_8 UNICODE ISO-8859-8 utf8_to_iso8859 utf8_and_iso8859 \
+       iso8859_8_to_utf8 ISO-8859-8 UNICODE iso8859_to_utf8 utf8_and_iso8859 \
+       euc_jp_to_sjis  EUC_JP SJIS euc_jp_to_sjis euc_jp_and_sjis \
+       sjis_to_euc_jp  SJIS EUC_JP sjis_to_euc_jp euc_jp_and_sjis \
+       euc_jp_to_mic   EUC_JP MULE_INTERNAL euc_jp_to_mic euc_jp_and_sjis \
+       sjis_to_mic SJIS MULE_INTERNAL sjis_to_mic euc_jp_and_sjis \
+       mic_to_euc_jp   MULE_INTERNAL EUC_JP mic_to_euc_jp euc_jp_and_sjis \
+       mic_to_sjis MULE_INTERNAL SJIS mic_to_sjis euc_jp_and_sjis \
+       euc_tw_to_big5  EUC_TW BIG5 euc_tw_to_big5 euc_tw_and_big5 \
+       big5_to_euc_tw  BIG5 EUC_TW big5_to_euc_tw euc_tw_and_big5 \
+       euc_tw_to_mic   EUC_TW MULE_INTERNAL euc_tw_to_mic euc_tw_and_big5 \
+       big5_to_mic BIG5 MULE_INTERNAL big5_to_mic euc_tw_and_big5 \
+       mic_to_euc_tw   MULE_INTERNAL EUC_TW mic_to_euc_tw euc_tw_and_big5 \
+       mic_to_big5 MULE_INTERNAL BIG5 mic_to_big5 euc_tw_and_big5 \
+   ; \
+   while [ "$$#" -gt 0 ] ; \
+   do \
+       name=$$1;shift; \
+       se=$$1;shift; \
+       de=$$1; shift; \
+       func=$$1; shift; \
+       obj=$$1; shift; \
+       echo "-- $$se --> $$de"; \
+       echo "CREATE OR REPLACE FUNCTION $$func (INTEGER, INTEGER, OPAQUE, OPAQUE, INTEGER) RETURNS INTEGER AS '$$"libdir"/$$obj', '$$func' LANGUAGE 'c';"; \
+       echo "DROP CONVERSION pg_catalog.$$name;"; \
+       echo "CREATE DEFAULT CONVERSION pg_catalog.$$name FOR '$$se' TO '$$de' FROM $$func;"; \
+   done > $@
+
+install:
+   $(INSTALL_DATA) $(SQLSCRIPT) $(datadir)
+   @for dir in $(DIRS); do $(MAKE) -C $$dir $@ || exit; done
+
+all: $(SQLSCRIPT)
+   @for dir in $(DIRS); do $(MAKE) -C $$dir $@ || exit; done
+
+clean:
+   $(RM) $(SQLSCRIPT)
+   @for dir in $(DIRS); do $(MAKE) -C $$dir $@; done
+
+distclean maintainer-clean:
+   $(RM) $(SQLSCRIPT)
+   @for dir in $(DIRS); do $(MAKE) -C $$dir $@; done
diff --git a/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/Makefile b/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/Makefile
new file mode 100644 (file)
index 0000000..6082880
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := euc_jp_and_sjis
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/euc_jp_and_sjis.c b/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/euc_jp_and_sjis.c
new file mode 100644 (file)
index 0000000..a5ae4c6
--- /dev/null
@@ -0,0 +1,456 @@
+/*-------------------------------------------------------------------------
+ *
+ *   EUC_JP, SJIS and MULE_INTERNAL
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/euc_jp_and_sjis.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+
+/*
+ * SJIS alternative code.
+ * this code is used if a mapping EUC -> SJIS is not defined.
+ */
+#define PGSJISALTCODE 0x81ac
+#define PGEUCALTCODE 0xa2ae
+
+/*
+ * conversion table between SJIS UDC (IBM kanji) and EUC_JP
+ */
+#include "sjis.map"
+
+#define ENCODING_GROWTH_RATE 4
+
+PG_FUNCTION_INFO_V1(euc_jp_to_sjis)
+PG_FUNCTION_INFO_V1(sjis_to_euc_jp)
+PG_FUNCTION_INFO_V1(euc_jp_to_mic)
+PG_FUNCTION_INFO_V1(mic_to_euc_jp)
+PG_FUNCTION_INFO_V1(sjis_to_mic)
+PG_FUNCTION_INFO_V1(mic_to_sjis)
+
+extern Datum euc_jp_to_sjis(PG_FUNCTION_ARGS);
+extern Datum sjis_to_euc_jp(PG_FUNCTION_ARGS);
+extern Datum euc_jp_to_mic(PG_FUNCTION_ARGS);
+extern Datum mic_to_euc_jp(PG_FUNCTION_ARGS);
+extern Datum sjis_to_mic(PG_FUNCTION_ARGS);
+extern Datum mic_to_sjis(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+
+static void sjis2mic(unsigned char *sjis, unsigned char *p, int len);
+static void mic2sjis(unsigned char *mic, unsigned char *p, int len);
+static void euc_jp2mic(unsigned char *euc, unsigned char *p, int len);
+static void mic2euc_jp(unsigned char *mic, unsigned char *p, int len);
+
+Datum
+euc_jp_to_sjis(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+   unsigned char *buf;
+
+   Assert(PG_GETARG_INT32(0) == PG_EUC_JP);
+   Assert(PG_GETARG_INT32(1) == PG_SJIS);
+   Assert(len > 0);
+
+   buf = palloc(len * ENCODING_GROWTH_RATE);
+   euc_jp2mic(src, buf, len);
+   mic2sjis(buf, dest, strlen(buf));
+   pfree(buf);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+sjis_to_euc_jp(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+   unsigned char *buf;
+
+   Assert(PG_GETARG_INT32(0) == PG_SJIS);
+   Assert(PG_GETARG_INT32(1) == PG_EUC_JP);
+   Assert(len > 0);
+
+   buf = palloc(len * ENCODING_GROWTH_RATE);
+   sjis2mic(src, buf, len);
+   mic2euc_jp(buf, dest, strlen(buf));
+   pfree(buf);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+euc_jp_to_mic(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_EUC_JP);
+   Assert(PG_GETARG_INT32(1) == PG_MULE_INTERNAL);
+   Assert(len > 0);
+
+   euc_jp2mic(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+mic_to_euc_jp(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_MULE_INTERNAL);
+   Assert(PG_GETARG_INT32(1) == PG_EUC_JP);
+   Assert(len > 0);
+
+   mic2sjis(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+sjis_to_mic(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_SJIS);
+   Assert(PG_GETARG_INT32(1) == PG_MULE_INTERNAL);
+   Assert(len > 0);
+
+   sjis2mic(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+mic_to_sjis(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_MULE_INTERNAL);
+   Assert(PG_GETARG_INT32(1) == PG_SJIS);
+   Assert(len > 0);
+
+   mic2sjis(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+/*
+ * SJIS ---> MIC
+ */
+static void
+sjis2mic(unsigned char *sjis, unsigned char *p, int len)
+{
+   int         c1,
+               c2,
+/* Eiji Tokuya patched begin */
+               i,
+               k,
+               k2;
+
+/* Eiji Tokuya patched end */
+   while (len > 0 && (c1 = *sjis++))
+   {
+       if (c1 >= 0xa1 && c1 <= 0xdf)
+       {
+           /* JIS X0201 (1 byte kana) */
+           len--;
+           *p++ = LC_JISX0201K;
+           *p++ = c1;
+       }
+       else if (c1 > 0x7f)
+       {
+           /*
+            * JIS X0208, X0212, user defined extended characters
+            */
+           c2 = *sjis++;
+           k = (c1 << 8) + c2;
+/* Eiji Tokuya patched begin */
+           if (k >= 0xed40 && k < 0xf040)
+           {
+               /* NEC selection IBM kanji */
+               for (i = 0;; i++)
+               {
+                   k2 = ibmkanji[i].nec;
+                   if (k2 == 0xffff)
+                       break;
+                   if (k2 == k)
+                   {
+                       k = ibmkanji[i].sjis;
+                       c1 = (k >> 8) & 0xff;
+                       c2 = k & 0xff;
+                   }
+               }
+           }
+
+           if (k < 0xeb3f)
+/* Eiji Tokuya patched end */
+           {
+               /* JIS X0208 */
+               len -= 2;
+               *p++ = LC_JISX0208;
+               *p++ = ((c1 & 0x3f) << 1) + 0x9f + (c2 > 0x9e);
+               *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
+           }
+/* Eiji Tokuya patched begin */
+           else if ((k >= 0xeb40 && k < 0xf040) || (k >= 0xfc4c && k <= 0xfcfc))
+           {
+               /* NEC selection IBM kanji - Other undecided justice */
+/* Eiji Tokuya patched end */
+               *p++ = LC_JISX0208;
+               *p++ = PGEUCALTCODE >> 8;
+               *p++ = PGEUCALTCODE & 0xff;
+           }
+           else if (k >= 0xf040 && k < 0xf540)
+           {
+               /*
+                * UDC1 mapping to X0208 85 ku - 94 ku JIS code 0x7521 -
+                * 0x7e7e EUC 0xf5a1 - 0xfefe
+                */
+               len -= 2;
+               *p++ = LC_JISX0208;
+               c1 -= 0x6f;
+               *p++ = ((c1 & 0x3f) << 1) + 0xf3 + (c2 > 0x9e);
+               *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
+           }
+           else if (k >= 0xf540 && k < 0xfa40)
+           {
+               /*
+                * UDC2 mapping to X0212 85 ku - 94 ku JIS code 0x7521 -
+                * 0x7e7e EUC 0x8ff5a1 - 0x8ffefe
+                */
+               len -= 2;
+               *p++ = LC_JISX0212;
+               c1 -= 0x74;
+               *p++ = ((c1 & 0x3f) << 1) + 0xf3 + (c2 > 0x9e);
+               *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
+           }
+           else if (k >= 0xfa40)
+           {
+               /*
+                * mapping IBM kanji to X0208 and X0212
+                *
+                */
+               len -= 2;
+               for (i = 0;; i++)
+               {
+                   k2 = ibmkanji[i].sjis;
+                   if (k2 == 0xffff)
+                       break;
+                   if (k2 == k)
+                   {
+                       k = ibmkanji[i].euc;
+                       if (k >= 0x8f0000)
+                       {
+                           *p++ = LC_JISX0212;
+                           *p++ = 0x80 | ((k & 0xff00) >> 8);
+                           *p++ = 0x80 | (k & 0xff);
+                       }
+                       else
+                       {
+                           *p++ = LC_JISX0208;
+                           *p++ = 0x80 | (k >> 8);
+                           *p++ = 0x80 | (k & 0xff);
+                       }
+                   }
+               }
+           }
+       }
+       else
+       {                       /* should be ASCII */
+           len--;
+           *p++ = c1;
+       }
+   }
+   *p = '\0';
+}
+
+/*
+ * MIC ---> SJIS
+ */
+static void
+mic2sjis(unsigned char *mic, unsigned char *p, int len)
+{
+   int         c1,
+               c2,
+               k;
+
+   while (len > 0 && (c1 = *mic))
+   {
+       len -= pg_mic_mblen(mic++);
+
+       if (c1 == LC_JISX0201K)
+           *p++ = *mic++;
+       else if (c1 == LC_JISX0208)
+       {
+           c1 = *mic++;
+           c2 = *mic++;
+           k = (c1 << 8) | (c2 & 0xff);
+           if (k >= 0xf5a1)
+           {
+               /* UDC1 */
+               c1 -= 0x54;
+               *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1) + 0x6f;
+           }
+           else
+               *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1);
+           *p++ = c2 - ((c1 & 1) ? ((c2 < 0xe0) ? 0x61 : 0x60) : 2);
+       }
+       else if (c1 == LC_JISX0212)
+       {
+           int         i,
+                       k2;
+
+           c1 = *mic++;
+           c2 = *mic++;
+           k = c1 << 8 | c2;
+           if (k >= 0xf5a1)
+           {
+               /* UDC2 */
+               c1 -= 0x54;
+               *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1) + 0x74;
+               *p++ = c2 - ((c1 & 1) ? ((c2 < 0xe0) ? 0x61 : 0x60) : 2);
+           }
+           else
+           {
+               /* IBM kanji */
+               for (i = 0;; i++)
+               {
+                   k2 = ibmkanji[i].euc & 0xffff;
+                   if (k2 == 0xffff)
+                   {
+                       *p++ = PGSJISALTCODE >> 8;
+                       *p++ = PGSJISALTCODE & 0xff;
+                       break;
+                   }
+                   if (k2 == k)
+                   {
+                       k = ibmkanji[i].sjis;
+                       *p++ = k >> 8;
+                       *p++ = k & 0xff;
+                       break;
+                   }
+               }
+           }
+       }
+       else if (c1 > 0x7f)
+       {
+           /* cannot convert to SJIS! */
+           *p++ = PGSJISALTCODE >> 8;
+           *p++ = PGSJISALTCODE & 0xff;
+       }
+       else
+       {                       /* should be ASCII */
+           *p++ = c1;
+       }
+   }
+   *p = '\0';
+}
+
+/*
+ * EUC_JP ---> MIC
+ */
+static void
+euc_jp2mic(unsigned char *euc, unsigned char *p, int len)
+{
+   int         c1;
+
+   while (len > 0 && (c1 = *euc++))
+   {
+       if (c1 == SS2)
+       {                       /* 1 byte kana? */
+           len -= 2;
+           *p++ = LC_JISX0201K;
+           *p++ = *euc++;
+       }
+       else if (c1 == SS3)
+       {                       /* JIS X0212 kanji? */
+           len -= 3;
+           *p++ = LC_JISX0212;
+           *p++ = *euc++;
+           *p++ = *euc++;
+       }
+       else if (c1 & 0x80)
+       {                       /* kanji? */
+           len -= 2;
+           *p++ = LC_JISX0208;
+           *p++ = c1;
+           *p++ = *euc++;
+       }
+       else
+       {                       /* should be ASCII */
+           len--;
+           *p++ = c1;
+       }
+   }
+   *p = '\0';
+}
+
+/*
+ * MIC ---> EUC_JP
+ */
+static void
+mic2euc_jp(unsigned char *mic, unsigned char *p, int len)
+{
+   int         c1;
+
+   while (len > 0 && (c1 = *mic))
+   {
+       len -= pg_mic_mblen(mic++);
+
+       if (c1 == LC_JISX0201K)
+       {
+           *p++ = SS2;
+           *p++ = *mic++;
+       }
+       else if (c1 == LC_JISX0212)
+       {
+           *p++ = SS3;
+           *p++ = *mic++;
+           *p++ = *mic++;
+       }
+       else if (c1 == LC_JISX0208)
+       {
+           *p++ = *mic++;
+           *p++ = *mic++;
+       }
+       else if (c1 > 0x7f)
+       {                       /* cannot convert to EUC_JP! */
+           mic--;
+           pg_print_bogus_char(&mic, &p);
+       }
+       else
+       {                       /* should be ASCII */
+           *p++ = c1;
+       }
+   }
+   *p = '\0';
+}
diff --git a/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/sjis.map b/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/sjis.map
new file mode 100644 (file)
index 0000000..cfcfaef
--- /dev/null
@@ -0,0 +1,396 @@
+static struct
+{
+   unsigned short int nec;     /* SJIS UDC (NEC selection IBM kanji) */
+   unsigned short int sjis;    /* SJIS UDC (IBM kanji) */
+   int         euc;            /* EUC_JP */
+} ibmkanji[] = {
+{  0xEEEF  ,   0xfa40   ,   0x8ff3f3   },
+{  0xEEF0  ,   0xfa41   ,   0x8ff3f4   },
+{  0xEEF1  ,   0xfa42   ,   0x8ff3f5   },
+{  0xEEF2  ,   0xfa43   ,   0x8ff3f6   },
+{  0xEEF3  ,   0xfa44   ,   0x8ff3f7   },
+{  0xEEF4  ,   0xfa45   ,   0x8ff3f8   },
+{  0xEEF5  ,   0xfa46   ,   0x8ff3f9   },
+{  0xEEF6  ,   0xfa47   ,   0x8ff3fa   },
+{  0xEEF7  ,   0xfa48   ,   0x8ff3fb   },
+{  0xEEF8  ,   0xfa49   ,   0x8ff3fc   },
+{  0x8754  ,   0xfa4a   ,   0x8ff3fd   },
+{  0x8755  ,   0xfa4b   ,   0x8ff3fe   },
+{  0x8756  ,   0xfa4c   ,   0x8ff4a1   },
+{  0x8757  ,   0xfa4d   ,   0x8ff4a2   },
+{  0x8758  ,   0xfa4e   ,   0x8ff4a3   },
+{  0x8759  ,   0xfa4f   ,   0x8ff4a4   },
+{  0x875A  ,   0xfa50   ,   0x8ff4a5   },
+{  0x875B  ,   0xfa51   ,   0x8ff4a6   },
+{  0x875C  ,   0xfa52   ,   0x8ff4a7   },
+{  0x875D  ,   0xfa53   ,   0x8ff4a8   },
+{  0xEEF9  ,   0xfa54   ,   0xa2cc },
+{  0xEEFA  ,   0xfa55   ,   0x8fa2c3   },
+{  0xEEFB  ,   0xfa56   ,   0x8ff4a9   },
+{  0xEEFC  ,   0xfa57   ,   0x8ff4aa   },
+{  0x878A  ,   0xfa58   ,   0x8ff4ab   },
+{  0x8782  ,   0xfa59   ,   0x8ff4ac   },
+{  0x8784  ,   0xfa5a   ,   0x8ff4ad   },
+{  0x879A  ,   0xfa5b   ,   0xa2e8 },
+{  0xED40  ,   0xfa5c   ,   0x8fd4e3   },
+{  0xED41  ,   0xfa5d   ,   0x8fdcdf   },
+{  0xED42  ,   0xfa5e   ,   0x8fe4e9   },
+{  0xED43  ,   0xfa5f   ,   0x8fe3f8   },
+{  0xED44  ,   0xfa60   ,   0x8fd9a1   },
+{  0xED45  ,   0xfa61   ,   0x8fb1bb   },
+{  0xED46  ,   0xfa62   ,   0x8ff4ae   },
+{  0xED47  ,   0xfa63   ,   0x8fc2ad   },
+{  0xED48  ,   0xfa64   ,   0x8fc3fc   },
+{  0xED49  ,   0xfa65   ,   0x8fe4d0   },
+{  0xED4A  ,   0xfa66   ,   0x8fc2bf   },
+{  0xED4B  ,   0xfa67   ,   0x8fbcf4   },
+{  0xED4C  ,   0xfa68   ,   0x8fb0a9   },
+{  0xED4D  ,   0xfa69   ,   0x8fb0c8   },
+{  0xED4E  ,   0xfa6a   ,   0x8ff4af   },
+{  0xED4F  ,   0xfa6b   ,   0x8fb0d2   },
+{  0xED50  ,   0xfa6c   ,   0x8fb0d4   },
+{  0xED51  ,   0xfa6d   ,   0x8fb0e3   },
+{  0xED52  ,   0xfa6e   ,   0x8fb0ee   },
+{  0xED53  ,   0xfa6f   ,   0x8fb1a7   },
+{  0xED54  ,   0xfa70   ,   0x8fb1a3   },
+{  0xED55  ,   0xfa71   ,   0x8fb1ac   },
+{  0xED56  ,   0xfa72   ,   0x8fb1a9   },
+{  0xED57  ,   0xfa73   ,   0x8fb1be   },
+{  0xED58  ,   0xfa74   ,   0x8fb1df   },
+{  0xED59  ,   0xfa75   ,   0x8fb1d8   },
+{  0xED5A  ,   0xfa76   ,   0x8fb1c8   },
+{  0xED5B  ,   0xfa77   ,   0x8fb1d7   },
+{  0xED5C  ,   0xfa78   ,   0x8fb1e3   },
+{  0xED5D  ,   0xfa79   ,   0x8fb1f4   },
+{  0xED5E  ,   0xfa7a   ,   0x8fb1e1   },
+{  0xED5F  ,   0xfa7b   ,   0x8fb2a3   },
+{  0xED60  ,   0xfa7c   ,   0x8ff4b0   },
+{  0xED61  ,   0xfa7d   ,   0x8fb2bb   },
+{  0xED62  ,   0xfa7e   ,   0x8fb2e6   },
+{  0xED63  ,   0xfa80   ,   0x8fb2ed   },
+{  0xED64  ,   0xfa81   ,   0x8fb2f5   },
+{  0xED65  ,   0xfa82   ,   0x8fb2fc   },
+{  0xED66  ,   0xfa83   ,   0x8ff4b1   },
+{  0xED67  ,   0xfa84   ,   0x8fb3b5   },
+{  0xED68  ,   0xfa85   ,   0x8fb3d8   },
+{  0xED69  ,   0xfa86   ,   0x8fb3db   },
+{  0xED6A  ,   0xfa87   ,   0x8fb3e5   },
+{  0xED6B  ,   0xfa88   ,   0x8fb3ee   },
+{  0xED6C  ,   0xfa89   ,   0x8fb3fb   },
+{  0xED6D  ,   0xfa8a   ,   0x8ff4b2   },
+{  0xED6E  ,   0xfa8b   ,   0x8ff4b3   },
+{  0xED6F  ,   0xfa8c   ,   0x8fb4c0   },
+{  0xED70  ,   0xfa8d   ,   0x8fb4c7   },
+{  0xED71  ,   0xfa8e   ,   0x8fb4d0   },
+{  0xED72  ,   0xfa8f   ,   0x8fb4de   },
+{  0xED73  ,   0xfa90   ,   0x8ff4b4   },
+{  0xED74  ,   0xfa91   ,   0x8fb5aa   },
+{  0xED75  ,   0xfa92   ,   0x8ff4b5   },
+{  0xED76  ,   0xfa93   ,   0x8fb5af   },
+{  0xED77  ,   0xfa94   ,   0x8fb5c4   },
+{  0xED78  ,   0xfa95   ,   0x8fb5e8   },
+{  0xED79  ,   0xfa96   ,   0x8ff4b6   },
+{  0xED7A  ,   0xfa97   ,   0x8fb7c2   },
+{  0xED7B  ,   0xfa98   ,   0x8fb7e4   },
+{  0xED7C  ,   0xfa99   ,   0x8fb7e8   },
+{  0xED7D  ,   0xfa9a   ,   0x8fb7e7   },
+{  0xED7E  ,   0xfa9b   ,   0x8ff4b7   },
+{  0xED80  ,   0xfa9c   ,   0x8ff4b8   },
+{  0xED81  ,   0xfa9d   ,   0x8ff4b9   },
+{  0xED82  ,   0xfa9e   ,   0x8fb8ce   },
+{  0xED83  ,   0xfa9f   ,   0x8fb8e1   },
+{  0xED84  ,   0xfaa0   ,   0x8fb8f5   },
+{  0xED85  ,   0xfaa1   ,   0x8fb8f7   },
+{  0xED86  ,   0xfaa2   ,   0x8fb8f8   },
+{  0xED87  ,   0xfaa3   ,   0x8fb8fc   },
+{  0xED88  ,   0xfaa4   ,   0x8fb9af   },
+{  0xED89  ,   0xfaa5   ,   0x8fb9b7   },
+{  0xED8A  ,   0xfaa6   ,   0x8fbabe   },
+{  0xED8B  ,   0xfaa7   ,   0x8fbadb   },
+{  0xED8C  ,   0xfaa8   ,   0x8fcdaa   },
+{  0xED8D  ,   0xfaa9   ,   0x8fbae1   },
+{  0xED8E  ,   0xfaaa   ,   0x8ff4ba   },
+{  0xED8F  ,   0xfaab   ,   0x8fbaeb   },
+{  0xED90  ,   0xfaac   ,   0x8fbbb3   },
+{  0xED91  ,   0xfaad   ,   0x8fbbb8   },
+{  0xED92  ,   0xfaae   ,   0x8ff4bb   },
+{  0xED93  ,   0xfaaf   ,   0x8fbbca   },
+{  0xED94  ,   0xfab0   ,   0x8ff4bc   },
+{  0xED95  ,   0xfab1   ,   0x8ff4bd   },
+{  0xED96  ,   0xfab2   ,   0x8fbbd0   },
+{  0xED97  ,   0xfab3   ,   0x8fbbde   },
+{  0xED98  ,   0xfab4   ,   0x8fbbf4   },
+{  0xED99  ,   0xfab5   ,   0x8fbbf5   },
+{  0xED9A  ,   0xfab6   ,   0x8fbbf9   },
+{  0xED9B  ,   0xfab7   ,   0x8fbce4   },
+{  0xED9C  ,   0xfab8   ,   0x8fbced   },
+{  0xED9D  ,   0xfab9   ,   0x8fbcfe   },
+{  0xED9E  ,   0xfaba   ,   0x8ff4be   },
+{  0xED9F  ,   0xfabb   ,   0x8fbdc2   },
+{  0xEDA0  ,   0xfabc   ,   0x8fbde7   },
+{  0xEDA1  ,   0xfabd   ,   0x8ff4bf   },
+{  0xEDA2  ,   0xfabe   ,   0x8fbdf0   },
+{  0xEDA3  ,   0xfabf   ,   0x8fbeb0   },
+{  0xEDA4  ,   0xfac0   ,   0x8fbeac   },
+{  0xEDA5  ,   0xfac1   ,   0x8ff4c0   },
+{  0xEDA6  ,   0xfac2   ,   0x8fbeb3   },
+{  0xEDA7  ,   0xfac3   ,   0x8fbebd   },
+{  0xEDA8  ,   0xfac4   ,   0x8fbecd   },
+{  0xEDA9  ,   0xfac5   ,   0x8fbec9   },
+{  0xEDAA  ,   0xfac6   ,   0x8fbee4   },
+{  0xEDAB  ,   0xfac7   ,   0x8fbfa8   },
+{  0xEDAC  ,   0xfac8   ,   0x8fbfc9   },
+{  0xEDAD  ,   0xfac9   ,   0x8fc0c4   },
+{  0xEDAE  ,   0xfaca   ,   0x8fc0e4   },
+{  0xEDAF  ,   0xfacb   ,   0x8fc0f4   },
+{  0xEDB0  ,   0xfacc   ,   0x8fc1a6   },
+{  0xEDB1  ,   0xfacd   ,   0x8ff4c1   },
+{  0xEDB2  ,   0xface   ,   0x8fc1f5   },
+{  0xEDB3  ,   0xfacf   ,   0x8fc1fc   },
+{  0xEDB4  ,   0xfad0   ,   0x8ff4c2   },
+{  0xEDB5  ,   0xfad1   ,   0x8fc1f8   },
+{  0xEDB6  ,   0xfad2   ,   0x8fc2ab   },
+{  0xEDB7  ,   0xfad3   ,   0x8fc2a1   },
+{  0xEDB8  ,   0xfad4   ,   0x8fc2a5   },
+{  0xEDB9  ,   0xfad5   ,   0x8ff4c3   },
+{  0xEDBA  ,   0xfad6   ,   0x8fc2b8   },
+{  0xEDBB  ,   0xfad7   ,   0x8fc2ba   },
+{  0xEDBC  ,   0xfad8   ,   0x8ff4c4   },
+{  0xEDBD  ,   0xfad9   ,   0x8fc2c4   },
+{  0xEDBE  ,   0xfada   ,   0x8fc2d2   },
+{  0xEDBF  ,   0xfadb   ,   0x8fc2d7   },
+{  0xEDC0  ,   0xfadc   ,   0x8fc2db   },
+{  0xEDC1  ,   0xfadd   ,   0x8fc2de   },
+{  0xEDC2  ,   0xfade   ,   0x8fc2ed   },
+{  0xEDC3  ,   0xfadf   ,   0x8fc2f0   },
+{  0xEDC4  ,   0xfae0   ,   0x8ff4c5   },
+{  0xEDC5  ,   0xfae1   ,   0x8fc3a1   },
+{  0xEDC6  ,   0xfae2   ,   0x8fc3b5   },
+{  0xEDC7  ,   0xfae3   ,   0x8fc3c9   },
+{  0xEDC8  ,   0xfae4   ,   0x8fc3b9   },
+{  0xEDC9  ,   0xfae5   ,   0x8ff4c6   },
+{  0xEDCA  ,   0xfae6   ,   0x8fc3d8   },
+{  0xEDCB  ,   0xfae7   ,   0x8fc3fe   },
+{  0xEDCC  ,   0xfae8   ,   0x8ff4c7   },
+{  0xEDCD  ,   0xfae9   ,   0x8fc4cc   },
+{  0xEDCE  ,   0xfaea   ,   0x8ff4c8   },
+{  0xEDCF  ,   0xfaeb   ,   0x8fc4d9   },
+{  0xEDD0  ,   0xfaec   ,   0x8fc4ea   },
+{  0xEDD1  ,   0xfaed   ,   0x8fc4fd   },
+{  0xEDD2  ,   0xfaee   ,   0x8ff4c9   },
+{  0xEDD3  ,   0xfaef   ,   0x8fc5a7   },
+{  0xEDD4  ,   0xfaf0   ,   0x8fc5b5   },
+{  0xEDD5  ,   0xfaf1   ,   0x8fc5b6   },
+{  0xEDD6  ,   0xfaf2   ,   0x8ff4ca   },
+{  0xEDD7  ,   0xfaf3   ,   0x8fc5d5   },
+{  0xEDD8  ,   0xfaf4   ,   0x8fc6b8   },
+{  0xEDD9  ,   0xfaf5   ,   0x8fc6d7   },
+{  0xEDDA  ,   0xfaf6   ,   0x8fc6e0   },
+{  0xEDDB  ,   0xfaf7   ,   0x8fc6ea   },
+{  0xEDDC  ,   0xfaf8   ,   0x8fc6e3   },
+{  0xEDDD  ,   0xfaf9   ,   0x8fc7a1   },
+{  0xEDDE  ,   0xfafa   ,   0x8fc7ab   },
+{  0xEDDF  ,   0xfafb   ,   0x8fc7c7   },
+{  0xEDE0  ,   0xfafc   ,   0x8fc7c3   },
+{  0xEDE1  ,   0xfb40   ,   0x8fc7cb   },
+{  0xEDE2  ,   0xfb41   ,   0x8fc7cf   },
+{  0xEDE3  ,   0xfb42   ,   0x8fc7d9   },
+{  0xEDE4  ,   0xfb43   ,   0x8ff4cb   },
+{  0xEDE5  ,   0xfb44   ,   0x8ff4cc   },
+{  0xEDE6  ,   0xfb45   ,   0x8fc7e6   },
+{  0xEDE7  ,   0xfb46   ,   0x8fc7ee   },
+{  0xEDE8  ,   0xfb47   ,   0x8fc7fc   },
+{  0xEDE9  ,   0xfb48   ,   0x8fc7eb   },
+{  0xEDEA  ,   0xfb49   ,   0x8fc7f0   },
+{  0xEDEB  ,   0xfb4a   ,   0x8fc8b1   },
+{  0xEDEC  ,   0xfb4b   ,   0x8fc8e5   },
+{  0xEDED  ,   0xfb4c   ,   0x8fc8f8   },
+{  0xEDEE  ,   0xfb4d   ,   0x8fc9a6   },
+{  0xEDEF  ,   0xfb4e   ,   0x8fc9ab   },
+{  0xEDF0  ,   0xfb4f   ,   0x8fc9ad   },
+{  0xEDF1  ,   0xfb50   ,   0x8ff4cd   },
+{  0xEDF2  ,   0xfb51   ,   0x8fc9ca   },
+{  0xEDF3  ,   0xfb52   ,   0x8fc9d3   },
+{  0xEDF4  ,   0xfb53   ,   0x8fc9e9   },
+{  0xEDF5  ,   0xfb54   ,   0x8fc9e3   },
+{  0xEDF6  ,   0xfb55   ,   0x8fc9fc   },
+{  0xEDF7  ,   0xfb56   ,   0x8fc9f4   },
+{  0xEDF8  ,   0xfb57   ,   0x8fc9f5   },
+{  0xEDF9  ,   0xfb58   ,   0x8ff4ce   },
+{  0xEDFA  ,   0xfb59   ,   0x8fcab3   },
+{  0xEDFB  ,   0xfb5a   ,   0x8fcabd   },
+{  0xEDFC  ,   0xfb5b   ,   0x8fcaef   },
+{  0xEE40  ,   0xfb5c   ,   0x8fcaf1   },
+{  0xEE41  ,   0xfb5d   ,   0x8fcbae   },
+{  0xEE42  ,   0xfb5e   ,   0x8ff4cf   },
+{  0xEE43  ,   0xfb5f   ,   0x8fcbca   },
+{  0xEE44  ,   0xfb60   ,   0x8fcbe6   },
+{  0xEE45  ,   0xfb61   ,   0x8fcbea   },
+{  0xEE46  ,   0xfb62   ,   0x8fcbf0   },
+{  0xEE47  ,   0xfb63   ,   0x8fcbf4   },
+{  0xEE48  ,   0xfb64   ,   0x8fcbee   },
+{  0xEE49  ,   0xfb65   ,   0x8fcca5   },
+{  0xEE4A  ,   0xfb66   ,   0x8fcbf9   },
+{  0xEE4B  ,   0xfb67   ,   0x8fccab   },
+{  0xEE4C  ,   0xfb68   ,   0x8fccae   },
+{  0xEE4D  ,   0xfb69   ,   0x8fccad   },
+{  0xEE4E  ,   0xfb6a   ,   0x8fccb2   },
+{  0xEE4F  ,   0xfb6b   ,   0x8fccc2   },
+{  0xEE50  ,   0xfb6c   ,   0x8fccd0   },
+{  0xEE51  ,   0xfb6d   ,   0x8fccd9   },
+{  0xEE52  ,   0xfb6e   ,   0x8ff4d0   },
+{  0xEE53  ,   0xfb6f   ,   0x8fcdbb   },
+{  0xEE54  ,   0xfb70   ,   0x8ff4d1   },
+{  0xEE55  ,   0xfb71   ,   0x8fcebb   },
+{  0xEE56  ,   0xfb72   ,   0x8ff4d2   },
+{  0xEE57  ,   0xfb73   ,   0x8fceba   },
+{  0xEE58  ,   0xfb74   ,   0x8fcec3   },
+{  0xEE59  ,   0xfb75   ,   0x8ff4d3   },
+{  0xEE5A  ,   0xfb76   ,   0x8fcef2   },
+{  0xEE5B  ,   0xfb77   ,   0x8fb3dd   },
+{  0xEE5C  ,   0xfb78   ,   0x8fcfd5   },
+{  0xEE5D  ,   0xfb79   ,   0x8fcfe2   },
+{  0xEE5E  ,   0xfb7a   ,   0x8fcfe9   },
+{  0xEE5F  ,   0xfb7b   ,   0x8fcfed   },
+{  0xEE60  ,   0xfb7c   ,   0x8ff4d4   },
+{  0xEE61  ,   0xfb7d   ,   0x8ff4d5   },
+{  0xEE62  ,   0xfb7e   ,   0x8ff4d6   },
+{  0xEE63  ,   0xfb80   ,   0x8ff4d7   },
+{  0xEE64  ,   0xfb81   ,   0x8fd0e5   },
+{  0xEE65  ,   0xfb82   ,   0x8ff4d8   },
+{  0xEE66  ,   0xfb83   ,   0x8fd0e9   },
+{  0xEE67  ,   0xfb84   ,   0x8fd1e8   },
+{  0xEE68  ,   0xfb85   ,   0x8ff4d9   },
+{  0xEE69  ,   0xfb86   ,   0x8ff4da   },
+{  0xEE6A  ,   0xfb87   ,   0x8fd1ec   },
+{  0xEE6B  ,   0xfb88   ,   0x8fd2bb   },
+{  0xEE6C  ,   0xfb89   ,   0x8ff4db   },
+{  0xEE6D  ,   0xfb8a   ,   0x8fd3e1   },
+{  0xEE6E  ,   0xfb8b   ,   0x8fd3e8   },
+{  0xEE6F  ,   0xfb8c   ,   0x8fd4a7   },
+{  0xEE70  ,   0xfb8d   ,   0x8ff4dc   },
+{  0xEE71  ,   0xfb8e   ,   0x8ff4dd   },
+{  0xEE72  ,   0xfb8f   ,   0x8fd4d4   },
+{  0xEE73  ,   0xfb90   ,   0x8fd4f2   },
+{  0xEE74  ,   0xfb91   ,   0x8fd5ae   },
+{  0xEE75  ,   0xfb92   ,   0x8ff4de   },
+{  0xEE76  ,   0xfb93   ,   0x8fd7de   },
+{  0xEE77  ,   0xfb94   ,   0x8ff4df   },
+{  0xEE78  ,   0xfb95   ,   0x8fd8a2   },
+{  0xEE79  ,   0xfb96   ,   0x8fd8b7   },
+{  0xEE7A  ,   0xfb97   ,   0x8fd8c1   },
+{  0xEE7B  ,   0xfb98   ,   0x8fd8d1   },
+{  0xEE7C  ,   0xfb99   ,   0x8fd8f4   },
+{  0xEE7D  ,   0xfb9a   ,   0x8fd9c6   },
+{  0xEE7E  ,   0xfb9b   ,   0x8fd9c8   },
+{  0xEE80  ,   0xfb9c   ,   0x8fd9d1   },
+{  0xEE81  ,   0xfb9d   ,   0x8ff4e0   },
+{  0xEE82  ,   0xfb9e   ,   0x8ff4e1   },
+{  0xEE83  ,   0xfb9f   ,   0x8ff4e2   },
+{  0xEE84  ,   0xfba0   ,   0x8ff4e3   },
+{  0xEE85  ,   0xfba1   ,   0x8ff4e4   },
+{  0xEE86  ,   0xfba2   ,   0x8fdcd3   },
+{  0xEE87  ,   0xfba3   ,   0x8fddc8   },
+{  0xEE88  ,   0xfba4   ,   0x8fddd4   },
+{  0xEE89  ,   0xfba5   ,   0x8fddea   },
+{  0xEE8A  ,   0xfba6   ,   0x8fddfa   },
+{  0xEE8B  ,   0xfba7   ,   0x8fdea4   },
+{  0xEE8C  ,   0xfba8   ,   0x8fdeb0   },
+{  0xEE8D  ,   0xfba9   ,   0x8ff4e5   },
+{  0xEE8E  ,   0xfbaa   ,   0x8fdeb5   },
+{  0xEE8F  ,   0xfbab   ,   0x8fdecb   },
+{  0xEE90  ,   0xfbac   ,   0x8ff4e6   },
+{  0xEE91  ,   0xfbad   ,   0x8fdfb9   },
+{  0xEE92  ,   0xfbae   ,   0x8ff4e7   },
+{  0xEE93  ,   0xfbaf   ,   0x8fdfc3   },
+{  0xEE94  ,   0xfbb0   ,   0x8ff4e8   },
+{  0xEE95  ,   0xfbb1   ,   0x8ff4e9   },
+{  0xEE96  ,   0xfbb2   ,   0x8fe0d9   },
+{  0xEE97  ,   0xfbb3   ,   0x8ff4ea   },
+{  0xEE98  ,   0xfbb4   ,   0x8ff4eb   },
+{  0xEE99  ,   0xfbb5   ,   0x8fe1e2   },
+{  0xEE9A  ,   0xfbb6   ,   0x8ff4ec   },
+{  0xEE9B  ,   0xfbb7   ,   0x8ff4ed   },
+{  0xEE9C  ,   0xfbb8   ,   0x8ff4ee   },
+{  0xEE9D  ,   0xfbb9   ,   0x8fe2c7   },
+{  0xEE9E  ,   0xfbba   ,   0x8fe3a8   },
+{  0xEE9F  ,   0xfbbb   ,   0x8fe3a6   },
+{  0xEEA0  ,   0xfbbc   ,   0x8fe3a9   },
+{  0xEEA1  ,   0xfbbd   ,   0x8fe3af   },
+{  0xEEA2  ,   0xfbbe   ,   0x8fe3b0   },
+{  0xEEA3  ,   0xfbbf   ,   0x8fe3aa   },
+{  0xEEA4  ,   0xfbc0   ,   0x8fe3ab   },
+{  0xEEA5  ,   0xfbc1   ,   0x8fe3bc   },
+{  0xEEA6  ,   0xfbc2   ,   0x8fe3c1   },
+{  0xEEA7  ,   0xfbc3   ,   0x8fe3bf   },
+{  0xEEA8  ,   0xfbc4   ,   0x8fe3d5   },
+{  0xEEA9  ,   0xfbc5   ,   0x8fe3d8   },
+{  0xEEAA  ,   0xfbc6   ,   0x8fe3d6   },
+{  0xEEAB  ,   0xfbc7   ,   0x8fe3df   },
+{  0xEEAC  ,   0xfbc8   ,   0x8fe3e3   },
+{  0xEEAD  ,   0xfbc9   ,   0x8fe3e1   },
+{  0xEEAE  ,   0xfbca   ,   0x8fe3d4   },
+{  0xEEAF  ,   0xfbcb   ,   0x8fe3e9   },
+{  0xEEB0  ,   0xfbcc   ,   0x8fe4a6   },
+{  0xEEB1  ,   0xfbcd   ,   0x8fe3f1   },
+{  0xEEB2  ,   0xfbce   ,   0x8fe3f2   },
+{  0xEEB3  ,   0xfbcf   ,   0x8fe4cb   },
+{  0xEEB4  ,   0xfbd0   ,   0x8fe4c1   },
+{  0xEEB5  ,   0xfbd1   ,   0x8fe4c3   },
+{  0xEEB6  ,   0xfbd2   ,   0x8fe4be   },
+{  0xEEB7  ,   0xfbd3   ,   0x8ff4ef   },
+{  0xEEB8  ,   0xfbd4   ,   0x8fe4c0   },
+{  0xEEB9  ,   0xfbd5   ,   0x8fe4c7   },
+{  0xEEBA  ,   0xfbd6   ,   0x8fe4bf   },
+{  0xEEBB  ,   0xfbd7   ,   0x8fe4e0   },
+{  0xEEBC  ,   0xfbd8   ,   0x8fe4de   },
+{  0xEEBD  ,   0xfbd9   ,   0x8fe4d1   },
+{  0xEEBE  ,   0xfbda   ,   0x8ff4f0   },
+{  0xEEBF  ,   0xfbdb   ,   0x8fe4dc   },
+{  0xEEC0  ,   0xfbdc   ,   0x8fe4d2   },
+{  0xEEC1  ,   0xfbdd   ,   0x8fe4db   },
+{  0xEEC2  ,   0xfbde   ,   0x8fe4d4   },
+{  0xEEC3  ,   0xfbdf   ,   0x8fe4fa   },
+{  0xEEC4  ,   0xfbe0   ,   0x8fe4ef   },
+{  0xEEC5  ,   0xfbe1   ,   0x8fe5b3   },
+{  0xEEC6  ,   0xfbe2   ,   0x8fe5bf   },
+{  0xEEC7  ,   0xfbe3   ,   0x8fe5c9   },
+{  0xEEC8  ,   0xfbe4   ,   0x8fe5d0   },
+{  0xEEC9  ,   0xfbe5   ,   0x8fe5e2   },
+{  0xEECA  ,   0xfbe6   ,   0x8fe5ea   },
+{  0xEECB  ,   0xfbe7   ,   0x8fe5eb   },
+{  0xEECC  ,   0xfbe8   ,   0x8ff4f1   },
+{  0xEECD  ,   0xfbe9   ,   0x8ff4f2   },
+{  0xEECE  ,   0xfbea   ,   0x8ff4f3   },
+{  0xEECF  ,   0xfbeb   ,   0x8fe6e8   },
+{  0xEED0  ,   0xfbec   ,   0x8fe6ef   },
+{  0xEED1  ,   0xfbed   ,   0x8fe7ac   },
+{  0xEED2  ,   0xfbee   ,   0x8ff4f4   },
+{  0xEED3  ,   0xfbef   ,   0x8fe7ae   },
+{  0xEED4  ,   0xfbf0   ,   0x8ff4f5   },
+{  0xEED5  ,   0xfbf1   ,   0x8fe7b1   },
+{  0xEED6  ,   0xfbf2   ,   0x8ff4f6   },
+{  0xEED7  ,   0xfbf3   ,   0x8fe7b2   },
+{  0xEED8  ,   0xfbf4   ,   0x8fe8b1   },
+{  0xEED9  ,   0xfbf5   ,   0x8fe8b6   },
+{  0xEEDA  ,   0xfbf6   ,   0x8ff4f7   },
+{  0xEEDB  ,   0xfbf7   ,   0x8ff4f8   },
+{  0xEEDC  ,   0xfbf8   ,   0x8fe8dd   },
+{  0xEEDD  ,   0xfbf9   ,   0x8ff4f9   },
+{  0xEEDE  ,   0xfbfa   ,   0x8ff4fa   },
+{  0xEEDF  ,   0xfbfb   ,   0x8fe9d1   },
+{  0xEEE0  ,   0xfbfc   ,   0x8ff4fb   },
+{  0xEEE1  ,   0xfc40   ,   0x8fe9ed   },
+{  0xEEE2  ,   0xfc41   ,   0x8feacd   },
+{  0xEEE3  ,   0xfc42   ,   0x8ff4fc   },
+{  0xEEE4  ,   0xfc43   ,   0x8feadb   },
+{  0xEEE5  ,   0xfc44   ,   0x8feae6   },
+{  0xEEE6  ,   0xfc45   ,   0x8feaea   },
+{  0xEEE7  ,   0xfc46   ,   0x8feba5   },
+{  0xEEE8  ,   0xfc47   ,   0x8febfb   },
+{  0xEEE9  ,   0xfc48   ,   0x8febfa   },
+{  0xEEEA  ,   0xfc49   ,   0x8ff4fd   },
+{  0xEEEB  ,   0xfc4a   ,   0x8fecd6   },
+{  0xEEEC  ,   0xfc4b   ,   0x8ff4fe   },
+{  0xffff  ,   0xffff   ,   0xffff   }     /* Stop code */
+};
diff --git a/src/backend/utils/mb/conversion_procs/euc_tw_and_big5/Makefile b/src/backend/utils/mb/conversion_procs/euc_tw_and_big5/Makefile
new file mode 100644 (file)
index 0000000..2adb6e9
--- /dev/null
@@ -0,0 +1,14 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := euc_tw_and_big5
+
+SRCS += big5.c
+OBJS += big5.o
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/euc_tw_and_big5/big5.c b/src/backend/utils/mb/conversion_procs/euc_tw_and_big5/big5.c
new file mode 100644 (file)
index 0000000..4e1844c
--- /dev/null
@@ -0,0 +1,378 @@
+/*
+ * conversion between BIG5 and Mule Internal Code(CNS 116643-1992
+ * plane 1 and plane 2).
+ * This program is partially copied from lv(Multilingual file viewer)
+ * and slightly modified. lv is written and copyrighted by NARITA Tomio
+ *
+ * 1999/1/15 Tatsuo Ishii
+ *
+ * $Id: big5.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ */
+
+/* can be used in either frontend or backend */
+#include "postgres_fe.h"
+
+#include "mb/pg_wchar.h"
+
+typedef struct
+{
+   unsigned short code,
+               peer;
+} codes_t;
+
+/* map Big5 Level 1 to CNS 11643-1992 Plane 1 */
+static codes_t big5Level1ToCnsPlane1[25] = {   /* range */
+   {0xA140, 0x2121},
+   {0xA1F6, 0x2258},
+   {0xA1F7, 0x2257},
+   {0xA1F8, 0x2259},
+   {0xA2AF, 0x2421},
+   {0xA3C0, 0x4221},
+   {0xa3e1, 0x0000},
+   {0xA440, 0x4421},
+   {0xACFE, 0x5753},
+   {0xacff, 0x0000},
+   {0xAD40, 0x5323},
+   {0xAFD0, 0x5754},
+   {0xBBC8, 0x6B51},
+   {0xBE52, 0x6B50},
+   {0xBE53, 0x6F5C},
+   {0xC1AB, 0x7536},
+   {0xC2CB, 0x7535},
+   {0xC2CC, 0x7737},
+   {0xC361, 0x782E},
+   {0xC3B9, 0x7865},
+   {0xC3BA, 0x7864},
+   {0xC3BB, 0x7866},
+   {0xC456, 0x782D},
+   {0xC457, 0x7962},
+   {0xc67f, 0x0000}
+};
+
+/* map CNS 11643-1992 Plane 1 to Big5 Level 1 */
+static codes_t cnsPlane1ToBig5Level1[26] = {   /* range */
+   {0x2121, 0xA140},
+   {0x2257, 0xA1F7},
+   {0x2258, 0xA1F6},
+   {0x2259, 0xA1F8},
+   {0x234f, 0x0000},
+   {0x2421, 0xA2AF},
+   {0x2571, 0x0000},
+   {0x4221, 0xA3C0},
+   {0x4242, 0x0000},
+   {0x4421, 0xA440},
+   {0x5323, 0xAD40},
+   {0x5753, 0xACFE},
+   {0x5754, 0xAFD0},
+   {0x6B50, 0xBE52},
+   {0x6B51, 0xBBC8},
+   {0x6F5C, 0xBE53},
+   {0x7535, 0xC2CB},
+   {0x7536, 0xC1AB},
+   {0x7737, 0xC2CC},
+   {0x782D, 0xC456},
+   {0x782E, 0xC361},
+   {0x7864, 0xC3BA},
+   {0x7865, 0xC3B9},
+   {0x7866, 0xC3BB},
+   {0x7962, 0xC457},
+   {0x7d4c, 0x0000}
+};
+
+/* map Big5 Level 2 to CNS 11643-1992 Plane 2 */
+static codes_t big5Level2ToCnsPlane2[48] = {   /* range */
+   {0xC940, 0x2121},
+   {0xc94a, 0x0000},
+   {0xC94B, 0x212B},
+   {0xC96C, 0x214D},
+   {0xC9BE, 0x214C},
+   {0xC9BF, 0x217D},
+   {0xC9ED, 0x224E},
+   {0xCAF7, 0x224D},
+   {0xCAF8, 0x2439},
+   {0xD77A, 0x3F6A},
+   {0xD77B, 0x387E},
+   {0xDBA7, 0x3F6B},
+   {0xDDFC, 0x4176},
+   {0xDDFD, 0x4424},
+   {0xE8A3, 0x554C},
+   {0xE976, 0x5723},
+   {0xEB5B, 0x5A29},
+   {0xEBF1, 0x554B},
+   {0xEBF2, 0x5B3F},
+   {0xECDE, 0x5722},
+   {0xECDF, 0x5C6A},
+   {0xEDAA, 0x5D75},
+   {0xEEEB, 0x642F},
+   {0xEEEC, 0x6039},
+   {0xF056, 0x5D74},
+   {0xF057, 0x6243},
+   {0xF0CB, 0x5A28},
+   {0xF0CC, 0x6337},
+   {0xF163, 0x6430},
+   {0xF16B, 0x6761},
+   {0xF16C, 0x6438},
+   {0xF268, 0x6934},
+   {0xF269, 0x6573},
+   {0xF2C3, 0x664E},
+   {0xF375, 0x6762},
+   {0xF466, 0x6935},
+   {0xF4B5, 0x664D},
+   {0xF4B6, 0x6962},
+   {0xF4FD, 0x6A4C},
+   {0xF663, 0x6A4B},
+   {0xF664, 0x6C52},
+   {0xF977, 0x7167},
+   {0xF9C4, 0x7166},
+   {0xF9C5, 0x7234},
+   {0xF9C6, 0x7240},
+   {0xF9C7, 0x7235},
+   {0xF9D2, 0x7241},
+   {0xf9d6, 0x0000}
+};
+
+/* map CNS 11643-1992 Plane 2 to Big5 Level 2 */
+static codes_t cnsPlane2ToBig5Level2[49] = {   /* range */
+   {0x2121, 0xC940},
+   {0x212B, 0xC94B},
+   {0x214C, 0xC9BE},
+   {0x214D, 0xC96C},
+   {0x217D, 0xC9BF},
+   {0x224D, 0xCAF7},
+   {0x224E, 0xC9ED},
+   {0x2439, 0xCAF8},
+   {0x387E, 0xD77B},
+   {0x3F6A, 0xD77A},
+   {0x3F6B, 0xDBA7},
+   {0x4424, 0x0000},
+   {0x4176, 0xDDFC},
+   {0x4177, 0x0000},
+   {0x4424, 0xDDFD},
+   {0x554B, 0xEBF1},
+   {0x554C, 0xE8A3},
+   {0x5722, 0xECDE},
+   {0x5723, 0xE976},
+   {0x5A28, 0xF0CB},
+   {0x5A29, 0xEB5B},
+   {0x5B3F, 0xEBF2},
+   {0x5C6A, 0xECDF},
+   {0x5D74, 0xF056},
+   {0x5D75, 0xEDAA},
+   {0x6039, 0xEEEC},
+   {0x6243, 0xF057},
+   {0x6337, 0xF0CC},
+   {0x642F, 0xEEEB},
+   {0x6430, 0xF163},
+   {0x6438, 0xF16C},
+   {0x6573, 0xF269},
+   {0x664D, 0xF4B5},
+   {0x664E, 0xF2C3},
+   {0x6761, 0xF16B},
+   {0x6762, 0xF375},
+   {0x6934, 0xF268},
+   {0x6935, 0xF466},
+   {0x6962, 0xF4B6},
+   {0x6A4B, 0xF663},
+   {0x6A4C, 0xF4FD},
+   {0x6C52, 0xF664},
+   {0x7166, 0xF9C4},
+   {0x7167, 0xF977},
+   {0x7234, 0xF9C5},
+   {0x7235, 0xF9C7},
+   {0x7240, 0xF9C6},
+   {0x7241, 0xF9D2},
+   {0x7245, 0x0000}
+};
+
+/* Big Five Level 1 Correspondence to CNS 11643-1992 Plane 4 */
+static unsigned short b1c4[][2] = {
+   {0xC879, 0x2123},
+   {0xC87B, 0x2124},
+   {0xC87D, 0x212A},
+   {0xC8A2, 0x2152}
+};
+
+/* Big Five Level 2 Correspondence to CNS 11643-1992 Plane 3 */
+static unsigned short b2c3[][2] = {
+   {0xF9D6, 0x4337},
+   {0xF9D7, 0x4F50},
+   {0xF9D8, 0x444E},
+   {0xF9D9, 0x504A},
+   {0xF9DA, 0x2C5D},
+   {0xF9DB, 0x3D7E},
+   {0xF9DC, 0x4B5C}
+};
+
+static unsigned short BinarySearchRange
+           (codes_t *array, int high, unsigned short code)
+{
+   int         low,
+               mid,
+               distance,
+               tmp;
+
+   low = 0;
+   mid = high >> 1;
+
+   for (; low <= high; mid = (low + high) >> 1)
+   {
+       if ((array[mid].code <= code) && (array[mid + 1].code > code))
+       {
+           if (0 == array[mid].peer)
+               return 0;
+           if (code >= 0xa140U)
+           {
+               /* big5 to cns */
+               tmp = ((code & 0xff00) - (array[mid].code & 0xff00)) >> 8;
+               high = code & 0x00ff;
+               low = array[mid].code & 0x00ff;
+
+               /*
+                * NOTE: big5 high_byte: 0xa1-0xfe, low_byte: 0x40-0x7e,
+                * 0xa1-0xfe (radicals: 0x00-0x3e, 0x3f-0x9c) big5 radix
+                * is 0x9d.                     [region_low, region_high]
+                * We should remember big5 has two different regions
+                * (above). There is a bias for the distance between these
+                * regions. 0xa1 - 0x7e + bias = 1 (Distance between 0xa1
+                * and 0x7e is 1.) bias = - 0x22.
+                */
+               distance = tmp * 0x9d + high - low +
+                   (high >= 0xa1 ? (low >= 0xa1 ? 0 : -0x22)
+                    : (low >= 0xa1 ? +0x22 : 0));
+
+               /*
+                * NOTE: we have to convert the distance into a code
+                * point. The code point's low_byte is 0x21 plus mod_0x5e.
+                * In the first, we extract the mod_0x5e of the starting
+                * code point, subtracting 0x21, and add distance to it.
+                * Then we calculate again mod_0x5e of them, and restore
+                * the final codepoint, adding 0x21.
+                */
+               tmp = (array[mid].peer & 0x00ff) + distance - 0x21;
+               tmp = (array[mid].peer & 0xff00) + ((tmp / 0x5e) << 8)
+                   + 0x21 + tmp % 0x5e;
+               return tmp;
+           }
+           else
+           {
+               /* cns to big5 */
+               tmp = ((code & 0xff00) - (array[mid].code & 0xff00)) >> 8;
+
+               /*
+                * NOTE: ISO charsets ranges between 0x21-0xfe
+                * (94charset). Its radix is 0x5e. But there is no
+                * distance bias like big5.
+                */
+               distance = tmp * 0x5e
+                   + ((int) (code & 0x00ff) - (int) (array[mid].code & 0x00ff));
+
+               /*
+                * NOTE: Similar to big5 to cns conversion, we extract
+                * mod_0x9d and restore mod_0x9d into a code point.
+                */
+               low = array[mid].peer & 0x00ff;
+               tmp = low + distance - (low >= 0xa1 ? 0x62 : 0x40);
+               low = tmp % 0x9d;
+               tmp = (array[mid].peer & 0xff00) + ((tmp / 0x9d) << 8)
+                   + (low > 0x3e ? 0x62 : 0x40) + low;
+               return tmp;
+           }
+       }
+       else if (array[mid].code > code)
+           high = mid - 1;
+       else
+           low = mid + 1;
+   }
+
+   return 0;
+}
+
+
+unsigned short
+BIG5toCNS(unsigned short big5, unsigned char *lc)
+{
+   unsigned short cns = 0;
+   int         i;
+
+   if (big5 < 0xc940U)
+   {
+       /* level 1 */
+
+       for (i = 0; i < sizeof(b1c4) / sizeof(unsigned short); i++)
+       {
+           if (b1c4[i][0] == big5)
+           {
+               *lc = LC_CNS11643_4;
+               return (b1c4[i][1] | 0x8080U);
+           }
+       }
+
+       if (0 < (cns = BinarySearchRange(big5Level1ToCnsPlane1, 23, big5)))
+           *lc = LC_CNS11643_1;
+   }
+   else if (big5 == 0xc94aU)
+   {
+       /* level 2 */
+       *lc = LC_CNS11643_1;
+       cns = 0x4442;
+   }
+   else
+   {
+       /* level 2 */
+       for (i = 0; i < sizeof(b2c3) / sizeof(unsigned short); i++)
+       {
+           if (b2c3[i][0] == big5)
+           {
+               *lc = LC_CNS11643_3;
+               return (b2c3[i][1] | 0x8080U);
+           }
+       }
+
+       if (0 < (cns = BinarySearchRange(big5Level2ToCnsPlane2, 46, big5)))
+           *lc = LC_CNS11643_2;
+   }
+
+   if (0 == cns)
+   {                           /* no mapping Big5 to CNS 11643-1992 */
+       *lc = 0;
+       return (unsigned short) '?';
+   }
+
+   return cns | 0x8080;
+}
+
+unsigned short
+CNStoBIG5(unsigned short cns, unsigned char lc)
+{
+   int         i;
+   unsigned int big5 = 0;
+
+   cns &= 0x7f7f;
+
+   switch (lc)
+   {
+       case LC_CNS11643_1:
+           big5 = BinarySearchRange(cnsPlane1ToBig5Level1, 24, cns);
+           break;
+       case LC_CNS11643_2:
+           big5 = BinarySearchRange(cnsPlane2ToBig5Level2, 47, cns);
+           break;
+       case LC_CNS11643_3:
+           for (i = 0; i < sizeof(b2c3) / sizeof(unsigned short); i++)
+           {
+               if (b2c3[i][1] == cns)
+                   return (b2c3[i][0]);
+           }
+           break;
+       case LC_CNS11643_4:
+           for (i = 0; i < sizeof(b1c4) / sizeof(unsigned short); i++)
+           {
+               if (b1c4[i][1] == cns)
+                   return (b1c4[i][0]);
+           }
+       default:
+           break;
+   }
+   return big5;
+}
diff --git a/src/backend/utils/mb/conversion_procs/euc_tw_and_big5/euc_tw_and_big5.c b/src/backend/utils/mb/conversion_procs/euc_tw_and_big5/euc_tw_and_big5.c
new file mode 100644 (file)
index 0000000..591f7f3
--- /dev/null
@@ -0,0 +1,340 @@
+/*-------------------------------------------------------------------------
+ *
+ *   EUC_TW, BIG5 and MULE_INTERNAL
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/euc_tw_and_big5/euc_tw_and_big5.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+
+#define ENCODING_GROWTH_RATE 4
+
+PG_FUNCTION_INFO_V1(euc_tw_to_big5)
+PG_FUNCTION_INFO_V1(big5_to_euc_tw)
+PG_FUNCTION_INFO_V1(euc_tw_to_mic)
+PG_FUNCTION_INFO_V1(mic_to_euc_tw)
+PG_FUNCTION_INFO_V1(big5_to_mic)
+PG_FUNCTION_INFO_V1(mic_to_big5)
+
+extern Datum euc_tw_to_big5(PG_FUNCTION_ARGS);
+extern Datum big5_to_euc_tw(PG_FUNCTION_ARGS);
+extern Datum euc_tw_to_mic(PG_FUNCTION_ARGS);
+extern Datum mic_to_euc_tw(PG_FUNCTION_ARGS);
+extern Datum big5_to_mic(PG_FUNCTION_ARGS);
+extern Datum mic_to_big5(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+
+static void big52mic(unsigned char *big5, unsigned char *p, int len);
+static void mic2big5(unsigned char *mic, unsigned char *p, int len);
+static void euc_tw2mic(unsigned char *euc, unsigned char *p, int len);
+static void mic2euc_tw(unsigned char *mic, unsigned char *p, int len);
+
+Datum
+euc_tw_to_big5(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+   unsigned char *buf;
+
+   Assert(PG_GETARG_INT32(0) == PG_EUC_TW);
+   Assert(PG_GETARG_INT32(1) == PG_BIG5);
+   Assert(len > 0);
+
+   buf = palloc(len * ENCODING_GROWTH_RATE);
+   euc_tw2mic(src, buf, len);
+   mic2big5(buf, dest, strlen(buf));
+   pfree(buf);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+big5_to_euc_tw(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+   unsigned char *buf;
+
+   Assert(PG_GETARG_INT32(0) == PG_BIG5);
+   Assert(PG_GETARG_INT32(1) == PG_EUC_TW);
+   Assert(len > 0);
+
+   buf = palloc(len * ENCODING_GROWTH_RATE);
+   big52mic(src, buf, len);
+   mic2euc_tw(buf, dest, strlen(buf));
+   pfree(buf);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+euc_tw_to_mic(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_EUC_TW);
+   Assert(PG_GETARG_INT32(1) == PG_MULE_INTERNAL);
+   Assert(len > 0);
+
+   euc_tw2mic(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+mic_to_euc_tw(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_MULE_INTERNAL);
+   Assert(PG_GETARG_INT32(1) == PG_EUC_TW);
+   Assert(len > 0);
+
+   mic2big5(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+big5_to_mic(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_BIG5);
+   Assert(PG_GETARG_INT32(1) == PG_MULE_INTERNAL);
+   Assert(len > 0);
+
+   big52mic(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+mic_to_big5(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_MULE_INTERNAL);
+   Assert(PG_GETARG_INT32(1) == PG_BIG5);
+   Assert(len > 0);
+
+   mic2big5(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+/*
+ * EUC_TW ---> MIC
+ */
+static void
+euc_tw2mic(unsigned char *euc, unsigned char *p, int len)
+{
+   int         c1;
+
+   while (len > 0 && (c1 = *euc++))
+   {
+       if (c1 == SS2)
+       {
+           len -= 4;
+           c1 = *euc++;        /* plane No. */
+           if (c1 == 0xa1)
+               *p++ = LC_CNS11643_1;
+           else if (c1 == 0xa2)
+               *p++ = LC_CNS11643_2;
+           else
+           {
+               *p++ = 0x9d;    /* LCPRV2 */
+               *p++ = 0xa3 - c1 + LC_CNS11643_3;
+           }
+           *p++ = *euc++;
+           *p++ = *euc++;
+       }
+       else if (c1 & 0x80)
+       {                       /* CNS11643-1 */
+           len -= 2;
+           *p++ = LC_CNS11643_1;
+           *p++ = c1;
+           *p++ = *euc++;
+       }
+       else
+       {                       /* should be ASCII */
+           len--;
+           *p++ = c1;
+       }
+   }
+   *p = '\0';
+}
+
+/*
+ * MIC ---> EUC_TW
+ */
+static void
+mic2euc_tw(unsigned char *mic, unsigned char *p, int len)
+{
+   int         c1;
+
+   while (len > 0 && (c1 = *mic))
+   {
+       len -= pg_mic_mblen(mic++);
+
+       if (c1 == LC_CNS11643_1)
+       {
+           *p++ = *mic++;
+           *p++ = *mic++;
+       }
+       else if (c1 == LC_CNS11643_2)
+       {
+           *p++ = SS2;
+           *p++ = 0xa2;
+           *p++ = *mic++;
+           *p++ = *mic++;
+       }
+       else if (c1 == 0x9d)
+       {                       /* LCPRV2? */
+           *p++ = SS2;
+           *p++ = *mic++ - LC_CNS11643_3 + 0xa3;
+           *p++ = *mic++;
+           *p++ = *mic++;
+       }
+       else if (c1 > 0x7f)
+       {                       /* cannot convert to EUC_TW! */
+           mic--;
+           pg_print_bogus_char(&mic, &p);
+       }
+       else
+       {                       /* should be ASCII */
+           *p++ = c1;
+       }
+   }
+   *p = '\0';
+}
+
+/*
+ * Big5 ---> MIC
+ */
+static void
+big52mic(unsigned char *big5, unsigned char *p, int len)
+{
+   unsigned short c1;
+   unsigned short big5buf,
+               cnsBuf;
+   unsigned char lc;
+   char        bogusBuf[3];
+   int         i;
+
+   while (len > 0 && (c1 = *big5++))
+   {
+       if (c1 <= 0x7fU)
+       {                       /* ASCII */
+           len--;
+           *p++ = c1;
+       }
+       else
+       {
+           len -= 2;
+           big5buf = c1 << 8;
+           c1 = *big5++;
+           big5buf |= c1;
+           cnsBuf = BIG5toCNS(big5buf, &lc);
+           if (lc != 0)
+           {
+               if (lc == LC_CNS11643_3 || lc == LC_CNS11643_4)
+               {
+                   *p++ = 0x9d;    /* LCPRV2 */
+               }
+               *p++ = lc;      /* Plane No. */
+               *p++ = (cnsBuf >> 8) & 0x00ff;
+               *p++ = cnsBuf & 0x00ff;
+           }
+           else
+           {                   /* cannot convert */
+               big5 -= 2;
+               *p++ = '(';
+               for (i = 0; i < 2; i++)
+               {
+                   sprintf(bogusBuf, "%02x", *big5++);
+                   *p++ = bogusBuf[0];
+                   *p++ = bogusBuf[1];
+               }
+               *p++ = ')';
+           }
+       }
+   }
+   *p = '\0';
+}
+
+/*
+ * MIC ---> Big5
+ */
+static void
+mic2big5(unsigned char *mic, unsigned char *p, int len)
+{
+   int         l;
+   unsigned short c1;
+   unsigned short big5buf,
+               cnsBuf;
+
+   while (len > 0 && (c1 = *mic))
+   {
+       l = pg_mic_mblen(mic++);
+       len -= l;
+
+       /* 0x9d means LCPRV2 */
+       if (c1 == LC_CNS11643_1 || c1 == LC_CNS11643_2 || c1 == 0x9d)
+       {
+           if (c1 == 0x9d)
+           {
+               c1 = *mic++;    /* get plane no. */
+           }
+           cnsBuf = (*mic++) << 8;
+           cnsBuf |= (*mic++) & 0x00ff;
+           big5buf = CNStoBIG5(cnsBuf, c1);
+           if (big5buf == 0)
+           {                   /* cannot convert to Big5! */
+               mic -= l;
+               pg_print_bogus_char(&mic, &p);
+           }
+           else
+           {
+               *p++ = (big5buf >> 8) & 0x00ff;
+               *p++ = big5buf & 0x00ff;
+           }
+       }
+       else if (c1 <= 0x7f)    /* ASCII */
+           *p++ = c1;
+       else
+       {                       /* cannot convert to Big5! */
+           mic--;
+           pg_print_bogus_char(&mic, &p);
+       }
+   }
+   *p = '\0';
+}
diff --git a/src/backend/utils/mb/conversion_procs/proc.mk b/src/backend/utils/mb/conversion_procs/proc.mk
new file mode 100644 (file)
index 0000000..a6582d0
--- /dev/null
@@ -0,0 +1,21 @@
+SRCS       += $(NAME).c
+OBJS       += $(NAME).o
+
+PG_CPPFLAGS    :=
+SHLIB_LINK     :=
+
+SO_MAJOR_VERSION := 0
+SO_MINOR_VERSION := 0
+rpath =
+
+install: all
+   $(INSTALL_SHLIB) $(shlib) $(DESTDIR)$(pkglibdir)/$(NAME)$(DLSUFFIX)
+
+uninstall: uninstall-lib
+
+clean distclean maintainer-clean: clean-lib
+   $(RM) $(OBJS)
+
+include $(top_builddir)/src/Makefile.shlib
+
+all: $(shlib)
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_ascii/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_ascii/Makefile
new file mode 100644 (file)
index 0000000..6db75ac
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_ascii
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_ascii/utf8_and_ascii.c b/src/backend/utils/mb/conversion_procs/utf8_and_ascii/utf8_and_ascii.c
new file mode 100644 (file)
index 0000000..db84f9f
--- /dev/null
@@ -0,0 +1,65 @@
+/*-------------------------------------------------------------------------
+ *
+ *   ASCII <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_ascii/utf8_and_ascii.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+
+PG_FUNCTION_INFO_V1(ascii_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_ascii)
+
+extern Datum ascii_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_ascii(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+
+Datum
+ascii_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_SQL_ASCII);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   pg_ascii2mic(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_ascii(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_SQL_ASCII);
+   Assert(len > 0);
+
+   pg_mic2ascii(src, dest, len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_big5/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_big5/Makefile
new file mode 100644 (file)
index 0000000..0aac095
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_big5
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_big5/utf8_and_big5.c b/src/backend/utils/mb/conversion_procs/utf8_and_big5/utf8_and_big5.c
new file mode 100644 (file)
index 0000000..b40db46
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   BIG5 <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_big5/utf8_and_big5.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/big5_to_utf8.map"
+#include "../../Unicode/utf8_to_big5.map"
+
+PG_FUNCTION_INFO_V1(big5_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_big5)
+
+extern Datum big5_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_big5(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+big5_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_BIG5);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapBIG5,
+              sizeof(LUmapBIG5) / sizeof(pg_local_to_utf), PG_BIG5, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_big5(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_BIG5);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapBIG5,
+              sizeof(ULmapBIG5) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_euc_cn/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_euc_cn/Makefile
new file mode 100644 (file)
index 0000000..aa82a66
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_euc_cn
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_euc_cn/utf8_and_euc_cn.c b/src/backend/utils/mb/conversion_procs/utf8_and_euc_cn/utf8_and_euc_cn.c
new file mode 100644 (file)
index 0000000..e5edd24
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   EUC_CN <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_euc_cn/utf8_and_euc_cn.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/euc_cn_to_utf8.map"
+#include "../../Unicode/utf8_to_euc_cn.map"
+
+PG_FUNCTION_INFO_V1(euc_cn_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_euc_cn)
+
+extern Datum euc_cn_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_euc_cn(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+euc_cn_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_EUC_CN);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapEUC_CN,
+              sizeof(LUmapEUC_CN) / sizeof(pg_local_to_utf), PG_EUC_CN, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_euc_cn(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_EUC_CN);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapEUC_CN,
+              sizeof(ULmapEUC_CN) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_euc_jp/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_euc_jp/Makefile
new file mode 100644 (file)
index 0000000..5ba7466
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_euc_jp
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_euc_jp/utf8_and_euc_jp.c b/src/backend/utils/mb/conversion_procs/utf8_and_euc_jp/utf8_and_euc_jp.c
new file mode 100644 (file)
index 0000000..8d702f3
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   EUC_JP <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_euc_jp/utf8_and_euc_jp.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/euc_jp_to_utf8.map"
+#include "../../Unicode/utf8_to_euc_jp.map"
+
+PG_FUNCTION_INFO_V1(euc_jp_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_euc_jp)
+
+extern Datum euc_jp_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_euc_jp(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+euc_jp_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_EUC_JP);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapEUC_JP,
+              sizeof(LUmapEUC_JP) / sizeof(pg_local_to_utf), PG_EUC_JP, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_euc_jp(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_EUC_JP);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapEUC_JP,
+              sizeof(ULmapEUC_JP) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_euc_kr/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_euc_kr/Makefile
new file mode 100644 (file)
index 0000000..bb9657f
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_euc_kr
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_euc_kr/utf8_and_euc_kr.c b/src/backend/utils/mb/conversion_procs/utf8_and_euc_kr/utf8_and_euc_kr.c
new file mode 100644 (file)
index 0000000..9f27611
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   EUC_KR <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_euc_kr/utf8_and_euc_kr.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/euc_kr_to_utf8.map"
+#include "../../Unicode/utf8_to_euc_kr.map"
+
+PG_FUNCTION_INFO_V1(euc_kr_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_euc_kr)
+
+extern Datum euc_kr_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_euc_kr(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+euc_kr_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_EUC_KR);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapEUC_KR,
+              sizeof(LUmapEUC_KR) / sizeof(pg_local_to_utf), PG_EUC_KR, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_euc_kr(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_EUC_KR);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapEUC_KR,
+              sizeof(ULmapEUC_KR) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_euc_tw/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_euc_tw/Makefile
new file mode 100644 (file)
index 0000000..86c3df8
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_euc_tw
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_euc_tw/utf8_and_euc_tw.c b/src/backend/utils/mb/conversion_procs/utf8_and_euc_tw/utf8_and_euc_tw.c
new file mode 100644 (file)
index 0000000..bafa218
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   EUC_TW <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_euc_tw/utf8_and_euc_tw.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/euc_tw_to_utf8.map"
+#include "../../Unicode/utf8_to_euc_tw.map"
+
+PG_FUNCTION_INFO_V1(euc_tw_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_euc_tw)
+
+extern Datum euc_tw_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_euc_tw(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+euc_tw_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_EUC_TW);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapEUC_TW,
+              sizeof(LUmapEUC_TW) / sizeof(pg_local_to_utf), PG_EUC_TW, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_euc_tw(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_EUC_TW);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapEUC_TW,
+              sizeof(ULmapEUC_TW) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_gb18030/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_gb18030/Makefile
new file mode 100644 (file)
index 0000000..a77b8b2
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_gb18030
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_gb18030/utf8_and_gb18030.c b/src/backend/utils/mb/conversion_procs/utf8_and_gb18030/utf8_and_gb18030.c
new file mode 100644 (file)
index 0000000..4587448
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   GB18030 <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_gb18030/utf8_and_gb18030.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/gb18030_to_utf8.map"
+#include "../../Unicode/utf8_to_gb18030.map"
+
+PG_FUNCTION_INFO_V1(gb18030_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_gb18030)
+
+extern Datum gb18030_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_gb18030(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+gb18030_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_GB18030);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapGB18030,
+              sizeof(LUmapGB18030) / sizeof(pg_local_to_utf), PG_GB18030, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_gb18030(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_GB18030);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapGB18030,
+              sizeof(ULmapGB18030) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_gbk/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_gbk/Makefile
new file mode 100644 (file)
index 0000000..26a3773
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_gbk
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_gbk/utf8_and_gbk.c b/src/backend/utils/mb/conversion_procs/utf8_and_gbk/utf8_and_gbk.c
new file mode 100644 (file)
index 0000000..d81c4d7
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   GBK <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_gbk/utf8_and_gbk.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/gbk_to_utf8.map"
+#include "../../Unicode/utf8_to_gbk.map"
+
+PG_FUNCTION_INFO_V1(gbk_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_gbk)
+
+extern Datum gbk_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_gbk(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+gbk_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_GBK);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapGBK,
+              sizeof(LUmapGBK) / sizeof(pg_local_to_utf), PG_GBK, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_gbk(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_GBK);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapGBK,
+              sizeof(ULmapGBK) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_iso8859/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_iso8859/Makefile
new file mode 100644 (file)
index 0000000..d7dd6c3
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_iso8859
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_iso8859/utf8_and_iso8859.c b/src/backend/utils/mb/conversion_procs/utf8_and_iso8859/utf8_and_iso8859.c
new file mode 100644 (file)
index 0000000..5f270aa
--- /dev/null
@@ -0,0 +1,156 @@
+/*-------------------------------------------------------------------------
+ *
+ *   ISO 8859 2-16 <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_iso8859/utf8_and_iso8859.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/utf8_to_iso8859_2.map"
+#include "../../Unicode/utf8_to_iso8859_3.map"
+#include "../../Unicode/utf8_to_iso8859_4.map"
+#include "../../Unicode/utf8_to_iso8859_5.map"
+#include "../../Unicode/utf8_to_iso8859_6.map"
+#include "../../Unicode/utf8_to_iso8859_7.map"
+#include "../../Unicode/utf8_to_iso8859_8.map"
+#include "../../Unicode/utf8_to_iso8859_9.map"
+#include "../../Unicode/utf8_to_iso8859_10.map"
+#include "../../Unicode/utf8_to_iso8859_13.map"
+#include "../../Unicode/utf8_to_iso8859_14.map"
+#include "../../Unicode/utf8_to_iso8859_15.map"
+#include "../../Unicode/utf8_to_iso8859_16.map"
+#include "../../Unicode/iso8859_2_to_utf8.map"
+#include "../../Unicode/iso8859_3_to_utf8.map"
+#include "../../Unicode/iso8859_4_to_utf8.map"
+#include "../../Unicode/iso8859_5_to_utf8.map"
+#include "../../Unicode/iso8859_6_to_utf8.map"
+#include "../../Unicode/iso8859_7_to_utf8.map"
+#include "../../Unicode/iso8859_8_to_utf8.map"
+#include "../../Unicode/iso8859_9_to_utf8.map"
+#include "../../Unicode/iso8859_10_to_utf8.map"
+#include "../../Unicode/iso8859_13_to_utf8.map"
+#include "../../Unicode/iso8859_14_to_utf8.map"
+#include "../../Unicode/iso8859_15_to_utf8.map"
+#include "../../Unicode/iso8859_16_to_utf8.map"
+
+PG_FUNCTION_INFO_V1(iso8859_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_iso8859)
+
+extern Datum iso8859_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_iso8859(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+
+typedef struct {
+   pg_enc encoding;
+   pg_local_to_utf *map1;      /* to UTF-8 map name */
+   pg_utf_to_local *map2;      /* from UTF-8 map name */
+   int size1;  /* size of map1 */
+   int size2;  /* size of map2 */
+} pg_conv_map;
+
+static pg_conv_map maps[] = {
+   {PG_SQL_ASCII},         /* SQL/ASCII */
+   {PG_EUC_JP},            /* EUC for Japanese */
+   {PG_EUC_CN},            /* EUC for Chinese */
+   {PG_EUC_KR},            /* EUC for Korean */
+   {PG_EUC_TW},            /* EUC for Taiwan */
+   {PG_JOHAB},             /* EUC for Korean JOHAB */
+   {PG_UTF8},              /* Unicode UTF-8 */
+   {PG_MULE_INTERNAL},     /* Mule internal code */
+   {PG_LATIN1},            /* ISO-8859-1 Latin 1 */
+   {PG_LATIN2, LUmapISO8859_2, ULmapISO8859_2,
+    sizeof(LUmapISO8859_2)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_2)/sizeof(pg_utf_to_local)},   /* ISO-8859-2 Latin 2 */
+   {PG_LATIN3, LUmapISO8859_3, ULmapISO8859_3,
+    sizeof(LUmapISO8859_3)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_3)/sizeof(pg_utf_to_local)},   /* ISO-8859-3 Latin 3 */
+   {PG_LATIN4, LUmapISO8859_4, ULmapISO8859_4,
+    sizeof(LUmapISO8859_4)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_4)/sizeof(pg_utf_to_local)},   /* ISO-8859-4 Latin 4 */
+   {PG_LATIN5, LUmapISO8859_9, ULmapISO8859_9,
+    sizeof(LUmapISO8859_9)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_9)/sizeof(pg_utf_to_local)},   /* ISO-8859-9 Latin 5 */
+   {PG_LATIN6, LUmapISO8859_10, ULmapISO8859_10,
+    sizeof(LUmapISO8859_10)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_10)/sizeof(pg_utf_to_local)},  /* ISO-8859-10 Latin 6 */
+   {PG_LATIN7, LUmapISO8859_13, ULmapISO8859_13,
+    sizeof(LUmapISO8859_13)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_13)/sizeof(pg_utf_to_local)},  /* ISO-8859-13 Latin 7 */
+   {PG_LATIN8, LUmapISO8859_14, ULmapISO8859_14,
+    sizeof(LUmapISO8859_14)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_14)/sizeof(pg_utf_to_local)},  /* ISO-8859-14 Latin 8 */
+   {PG_LATIN9, LUmapISO8859_2, ULmapISO8859_2,
+    sizeof(LUmapISO8859_15)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_15)/sizeof(pg_utf_to_local)},  /* ISO-8859-15 Latin 9 */
+   {PG_LATIN10, LUmapISO8859_16, ULmapISO8859_16,
+    sizeof(LUmapISO8859_16)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_16)/sizeof(pg_utf_to_local)},  /* ISO-8859-16 Latin 10 */
+   {PG_WIN1256},                   /* windows-1256 */
+   {PG_TCVN},                  /* TCVN (Windows-1258) */
+   {PG_WIN874},                /* windows-874 */
+   {PG_KOI8R},                 /* KOI8-R */
+   {PG_WIN1251},               /* windows-1251 (was: WIN) */
+   {PG_ALT},                   /* (MS-DOS CP866) */
+   {PG_ISO_8859_5, LUmapISO8859_5, ULmapISO8859_5,
+    sizeof(LUmapISO8859_5)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_5)/sizeof(pg_utf_to_local)},   /* ISO-8859-5 */
+   {PG_ISO_8859_6, LUmapISO8859_6, ULmapISO8859_6,
+    sizeof(LUmapISO8859_6)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_6)/sizeof(pg_utf_to_local)},   /* ISO-8859-6 */
+   {PG_ISO_8859_7, LUmapISO8859_7, ULmapISO8859_7,
+    sizeof(LUmapISO8859_7)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_7)/sizeof(pg_utf_to_local)},   /* ISO-8859-7 */
+   {PG_ISO_8859_8, LUmapISO8859_8, ULmapISO8859_8,
+    sizeof(LUmapISO8859_8)/sizeof(pg_local_to_utf),
+    sizeof(ULmapISO8859_8)/sizeof(pg_utf_to_local)},   /* ISO-8859-8 */
+};
+       
+Datum
+iso8859_to_utf8(PG_FUNCTION_ARGS)
+{
+   int encoding = PG_GETARG_INT32(0);
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, maps[encoding].map1, maps[encoding].size1, encoding, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_iso8859(PG_FUNCTION_ARGS)
+{
+   int encoding = PG_GETARG_INT32(1);
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, maps[encoding].map2, maps[encoding].size2, len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_iso8859_1/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_iso8859_1/Makefile
new file mode 100644 (file)
index 0000000..783140d
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_iso8859_1
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_iso8859_1/utf8_and_iso8859_1.c b/src/backend/utils/mb/conversion_procs/utf8_and_iso8859_1/utf8_and_iso8859_1.c
new file mode 100644 (file)
index 0000000..80c91a0
--- /dev/null
@@ -0,0 +1,97 @@
+/*-------------------------------------------------------------------------
+ *
+ *   ISO8859_1 <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_iso8859_1/utf8_and_iso8859_1.c,v 1.1 2002/07/16 09:25:05 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+
+PG_FUNCTION_INFO_V1(iso8859_1_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_iso8859_1)
+
+extern Datum iso8859_1_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_iso8859_1(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+
+Datum
+iso8859_1_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+   unsigned short c;
+
+   Assert(PG_GETARG_INT32(0) == PG_LATIN1);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   while (len-- > 0 && (c = *src++))
+   {
+       if (c < 0x80)
+           *dest++ = c;
+       else
+       {
+           *dest++ = (c >> 6) | 0xc0;
+           *dest++ = (c & 0x003f) | 0x80;
+       }
+   }
+   *dest = '\0';
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_iso8859_1(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+   unsigned short c,
+               c1,
+               c2;
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_LATIN1);
+   Assert(len > 0);
+
+   while (len > 0 && (c = *src++))
+   {
+       if ((c & 0xe0) == 0xc0)
+       {
+           c1 = c & 0x1f;
+           c2 = *src++ & 0x3f;
+           *dest = c1 << 6;
+           *dest++ |= c2;
+           len -= 2;
+       }
+       else if ((c & 0xe0) == 0xe0)
+           elog(ERROR, "Could not convert UTF-8 to ISO8859-1");
+       else
+       {
+           *dest++ = c;
+           len--;
+       }
+   }
+   *dest = '\0';
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_johab/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_johab/Makefile
new file mode 100644 (file)
index 0000000..31c2188
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:05 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_johab
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_johab/utf8_and_johab.c b/src/backend/utils/mb/conversion_procs/utf8_and_johab/utf8_and_johab.c
new file mode 100644 (file)
index 0000000..e05e30e
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   JOHAB <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_johab/utf8_and_johab.c,v 1.1 2002/07/16 09:25:06 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/johab_to_utf8.map"
+#include "../../Unicode/utf8_to_johab.map"
+
+PG_FUNCTION_INFO_V1(johab_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_johab)
+
+extern Datum johab_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_johab(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+johab_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_JOHAB);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapJOHAB,
+              sizeof(LUmapJOHAB) / sizeof(pg_local_to_utf), PG_JOHAB, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_johab(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_JOHAB);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapJOHAB,
+              sizeof(ULmapJOHAB) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_sjis/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_sjis/Makefile
new file mode 100644 (file)
index 0000000..5b991f9
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:06 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_sjis
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_sjis/utf8_and_sjis.c b/src/backend/utils/mb/conversion_procs/utf8_and_sjis/utf8_and_sjis.c
new file mode 100644 (file)
index 0000000..50739f9
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   SJIS <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_sjis/utf8_and_sjis.c,v 1.1 2002/07/16 09:25:06 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/sjis_to_utf8.map"
+#include "../../Unicode/utf8_to_sjis.map"
+
+PG_FUNCTION_INFO_V1(sjis_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_sjis)
+
+extern Datum sjis_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_sjis(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+sjis_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_SJIS);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapSJIS,
+              sizeof(LUmapSJIS) / sizeof(pg_local_to_utf), PG_SJIS, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_sjis(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_SJIS);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapSJIS,
+              sizeof(ULmapSJIS) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_tcvn/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_tcvn/Makefile
new file mode 100644 (file)
index 0000000..2e9115e
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:06 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_tcvn
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_tcvn/utf8_and_tcvn.c b/src/backend/utils/mb/conversion_procs/utf8_and_tcvn/utf8_and_tcvn.c
new file mode 100644 (file)
index 0000000..7486bca
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   TCVN <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_tcvn/Attic/utf8_and_tcvn.c,v 1.1 2002/07/16 09:25:06 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/tcvn_to_utf8.map"
+#include "../../Unicode/utf8_to_tcvn.map"
+
+PG_FUNCTION_INFO_V1(tcvn_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_tcvn)
+
+extern Datum tcvn_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_tcvn(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+tcvn_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_TCVN);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapTCVN,
+              sizeof(LUmapTCVN) / sizeof(pg_local_to_utf), PG_TCVN, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_tcvn(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_TCVN);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapTCVN,
+              sizeof(ULmapTCVN) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_uhc/Makefile b/src/backend/utils/mb/conversion_procs/utf8_and_uhc/Makefile
new file mode 100644 (file)
index 0000000..824624a
--- /dev/null
@@ -0,0 +1,11 @@
+#-------------------------------------------------------------------------
+#
+# $Id: Makefile,v 1.1 2002/07/16 09:25:06 ishii Exp $
+#
+#-------------------------------------------------------------------------
+top_builddir = ../../../../../..
+include $(top_builddir)/src/Makefile.global
+
+NAME       := utf8_and_uhc
+
+include ../proc.mk
diff --git a/src/backend/utils/mb/conversion_procs/utf8_and_uhc/utf8_and_uhc.c b/src/backend/utils/mb/conversion_procs/utf8_and_uhc/utf8_and_uhc.c
new file mode 100644 (file)
index 0000000..8a8f479
--- /dev/null
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ *   UHC <--> UTF-8
+ *
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *   $Header: /cvsroot/pgsql/src/backend/utils/mb/conversion_procs/utf8_and_uhc/utf8_and_uhc.c,v 1.1 2002/07/16 09:25:06 ishii Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+#include "fmgr.h"
+#include "mb/pg_wchar.h"
+#include "../../Unicode/uhc_to_utf8.map"
+#include "../../Unicode/utf8_to_uhc.map"
+
+PG_FUNCTION_INFO_V1(uhc_to_utf8)
+PG_FUNCTION_INFO_V1(utf8_to_uhc)
+
+extern Datum uhc_to_utf8(PG_FUNCTION_ARGS);
+extern Datum utf8_to_uhc(PG_FUNCTION_ARGS);
+
+/* ----------
+ * conv_proc(
+ *     INTEGER,    -- source encoding id
+ *     INTEGER,    -- destination encoding id
+ *     OPAQUE,     -- source string (null terminated C string)
+ *     OPAQUE,     -- destination string (null terminated C string)
+ *     INTEGER     -- source string length
+ * ) returns INTEGER;  -- dummy. returns nothing, actually.
+ * ----------
+ */
+Datum
+uhc_to_utf8(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UHC);
+   Assert(PG_GETARG_INT32(1) == PG_UTF8);
+   Assert(len > 0);
+
+   LocalToUtf(src, dest, LUmapUHC,
+              sizeof(LUmapUHC) / sizeof(pg_local_to_utf), PG_UHC, len);
+
+   PG_RETURN_INT32(0);
+}
+
+Datum
+utf8_to_uhc(PG_FUNCTION_ARGS)
+{
+   unsigned char *src = PG_GETARG_CSTRING(2);
+   unsigned char *dest = PG_GETARG_CSTRING(3);
+   int len = PG_GETARG_INT32(4);
+
+   Assert(PG_GETARG_INT32(0) == PG_UTF8);
+   Assert(PG_GETARG_INT32(1) == PG_UHC);
+   Assert(len > 0);
+
+   UtfToLocal(src, dest, ULmapUHC,
+              sizeof(ULmapUHC) / sizeof(pg_utf_to_local), len);
+
+   PG_RETURN_INT32(0);
+}