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-rw-r--r--lib/uniwidth/cjk.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/uniwidth/cjk.h b/lib/uniwidth/cjk.h
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+++ b/lib/uniwidth/cjk.h
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+/* Test for CJK encoding.
+ Copyright (C) 2001-2002, 2005-2007, 2009-2022 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2002.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ This file is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include "streq.h"
+
+static int
+is_cjk_encoding (const char *encoding)
+{
+ if (0
+ /* Legacy Japanese encodings */
+ || STREQ_OPT (encoding, "EUC-JP", 'E', 'U', 'C', '-', 'J', 'P', 0, 0, 0)
+ /* Legacy Chinese encodings */
+ || STREQ_OPT (encoding, "GB2312", 'G', 'B', '2', '3', '1', '2', 0, 0, 0)
+ || STREQ_OPT (encoding, "GBK", 'G', 'B', 'K', 0, 0, 0, 0, 0, 0)
+ || STREQ_OPT (encoding, "EUC-TW", 'E', 'U', 'C', '-', 'T', 'W', 0, 0, 0)
+ || STREQ_OPT (encoding, "BIG5", 'B', 'I', 'G', '5', 0, 0, 0, 0, 0)
+ /* Legacy Korean encodings */
+ || STREQ_OPT (encoding, "EUC-KR", 'E', 'U', 'C', '-', 'K', 'R', 0, 0, 0)
+ || STREQ_OPT (encoding, "CP949", 'C', 'P', '9', '4', '9', 0, 0, 0, 0)
+ || STREQ_OPT (encoding, "JOHAB", 'J', 'O', 'H', 'A', 'B', 0, 0, 0, 0))
+ return 1;
+ return 0;
+}