libiconv: upgrade to version 1.15

[lyx.git] / 3rdparty / libiconv / 1.15 / lib / cns11643_4.h

diff --git a/3rdparty/libiconv/1.15/lib/cns11643_4.h b/3rdparty/libiconv/1.15/lib/cns11643_4.h
new file mode 100644 (file)
index 0000000..94c9f61
--- /dev/null
+++ b/3rdparty/libiconv/1.15/lib/cns11643_4.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 1999-2001, 2016 Free Software Foundation, Inc.
+ * This file is part of the GNU LIBICONV Library.
+ *
+ * The GNU LIBICONV Library is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * The GNU LIBICONV Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * CNS 11643-1992 plane 4
+ */
+
+/*
+ * The table has been split into two parts. Each part's entries fit it 16 bits.
+ * But the combined table would need 17 bits per entry.
+ */
+#include "cns11643_4a.h"
+#include "cns11643_4b.h"
+
+static int
+cns11643_4_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
+{
+  unsigned char c1 = s[0];
+  if ((c1 >= 0x21 && c1 <= 0x6e)) {
+    if (n >= 2) {
+      unsigned char c2 = s[1];
+      if (c2 >= 0x21 && c2 < 0x7f) {
+        unsigned int i = 94 * (c1 - 0x21) + (c2 - 0x21);
+        ucs4_t wc = 0xfffd;
+        unsigned short swc;
+        {
+          if (i < 2914)
+            swc = cns11643_4a_2uni_page21[i],
+            wc = cns11643_4a_2uni_upages[swc>>8] | (swc & 0xff);
+          else if (i < 7298)
+            swc = cns11643_4b_2uni_page40[i-2914],
+            wc = cns11643_4b_2uni_upages[swc>>8] | (swc & 0xff);
+        }
+        if (wc != 0xfffd) {
+          *pwc = wc;
+          return 2;
+        }
+      }
+      return RET_ILSEQ;
+    }
+    return RET_TOOFEW(0);
+  }
+  return RET_ILSEQ;
+}