| /*------------------------------------------------------------------------- |
| * |
| * EUC_TW <--> UTF8 |
| * |
| * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * IDENTIFICATION |
| * src/backend/utils/mb/conversion_procs/utf8_and_euc_tw/utf8_and_euc_tw.c |
| * |
| *------------------------------------------------------------------------- |
| */ |
| |
| #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_MODULE_MAGIC; |
| |
| PG_FUNCTION_INFO_V1(euc_tw_to_utf8); |
| PG_FUNCTION_INFO_V1(utf8_to_euc_tw); |
| |
| /* ---------- |
| * conv_proc( |
| * INTEGER, -- source encoding id |
| * INTEGER, -- destination encoding id |
| * CSTRING, -- source string (null terminated C string) |
| * CSTRING, -- destination string (null terminated C string) |
| * INTEGER -- source string length |
| * ) returns VOID; |
| * ---------- |
| */ |
| Datum |
| euc_tw_to_utf8(PG_FUNCTION_ARGS) |
| { |
| unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); |
| unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); |
| int len = PG_GETARG_INT32(4); |
| |
| CHECK_ENCODING_CONVERSION_ARGS(PG_EUC_TW, PG_UTF8); |
| |
| LocalToUtf(src, len, dest, |
| &euc_tw_to_unicode_tree, |
| NULL, 0, |
| NULL, |
| PG_EUC_TW); |
| |
| PG_RETURN_VOID(); |
| } |
| |
| Datum |
| utf8_to_euc_tw(PG_FUNCTION_ARGS) |
| { |
| unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2); |
| unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3); |
| int len = PG_GETARG_INT32(4); |
| |
| CHECK_ENCODING_CONVERSION_ARGS(PG_UTF8, PG_EUC_TW); |
| |
| UtfToLocal(src, len, dest, |
| &euc_tw_from_unicode_tree, |
| NULL, 0, |
| NULL, |
| PG_EUC_TW); |
| |
| PG_RETURN_VOID(); |
| } |