1 files changed, 107 insertions, 0 deletions
diff --git a/iconvdata/jis0212.h b/iconvdata/jis0212.h
new file mode 100644
index 0000000000..0b60ca800b
--- /dev/null
+++ b/iconvdata/jis0212.h
@@ -0,0 +1,107 @@
+/* Access functions for JISX0212 conversion.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C 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 C 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 C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _JIS0212_H
+#define _JIS0212_H	1
+
+#include <gconv.h>
+#include <inttypes.h>
+
+
+/* Struct for table with indeces in mapping table.  */
+struct jisx0212_idx
+{
+  uint16_t start;
+  uint16_t end;
+  uint16_t idx;
+};
+
+/* Conversion table.  */
+extern const struct jisx0212_idx jisx0212_to_ucs_idx[];
+extern const uint16_t jisx0212_to_ucs[];
+
+extern const struct jisx0212_idx jisx0212_from_ucs_idx[];
+extern const char jisx0212_from_ucs[][2];
+
+
+static inline wchar_t
+jisx0212_to_ucs4 (char **s, size_t avail)
+{
+  const struct jisx0212_idx *rp = jisx0212_to_ucs_idx;
+  unsigned char ch = *(*s);
+  unsigned char ch2;
+  wchar_t wch = L'\0';
+  int idx;
+
+  if (ch <= 0x6d || ch > 0xea)
+    return UNKNOWN_10646_CHAR;
+
+  if (avail < 2)
+    return 0;
+
+  ch2 = (*s)[1];
+  if (ch2 <= 0x20 || ch2 >= 0x7f)
+    return UNKNOWN_10646_CHAR;
+
+  idx = (ch - 0x21) * 94 + (ch2 - 0x21);
+
+  while (idx < rp->start)
+    ++rp;
+  if (idx <= rp->end)
+    wch = jisx0212_to_ucs[rp->idx + idx - rp->start];
+
+  if (wch != L'\0')
+    (*s) += 2;
+  else
+    wch = UNKNOWN_10646_CHAR;
+
+  return wch;
+}
+
+
+static inline size_t
+ucs4_to_jisx0212 (wchar_t wch, char **s, size_t avail)
+{
+  const struct jisx0212_idx *rp = jisx0212_from_ucs_idx;
+  unsigned int ch = (unsigned int) wch;
+  const char *cp = NULL;
+
+  while (ch > rp->end)
+    ++rp;
+  if (ch >= rp->start)
+    cp = jisx0212_from_ucs[rp->idx + ch - rp->start];
+
+  if (cp == NULL || cp[0] == '\0')
+    return UNKNOWN_10646_CHAR;
+
+  **s = cp[0];
+  if (cp[1] != '\0')
+    {
+      if (avail < 2)
+	return 0;
+
+      *++(*s) = cp[1];
+    }
+  ++(*s);
+
+  return 2;
+}
+
+#endif /* jis0212.h */