Update.

1998-04-13 09:11  Ulrich Drepper  <drepper@cygnus.com>

	* iconvdata/eucjp.c: New file.
	* iconvdata/euccn.c: New file.
	* iconvdata/gb2312.h: New file.
	* iconvdata/gb2312.c: New file.
	* iconvdata/Makefile: Add rules for EUC-JP and EUC-CN.
	* iconvdata/gconv-modules: Likewise.

	* iconvdata/euckr.c: Use stdint.h instead of inttypes.h.

1 files changed, 185 insertions, 0 deletions

diff --git a/iconvdata/gb2312.h b/iconvdata/gb2312.h
new file mode 100644
index 0000000000..b8757369fc
--- /dev/null
+++ b/iconvdata/gb2312.h
@@ -0,0 +1,185 @@
+/* Access functions for GB2312 conversion.
+   Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   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 _GB2312_H
+#define _GB2312_H	1
+
+#include <gconv.h>
+#include <stdint.h>
+
+/* Conversion table.  */
+extern const uint16_t gb2312_to_ucs[];
+
+
+static inline wchar_t
+gb2312_to_ucs4 (const char **s, size_t avail, unsigned char offset)
+{
+  unsigned char ch = *(*s);
+  unsigned char ch2;
+  int idx;
+
+  if (ch < offset || (ch - offset) <= 0x20 || (ch - offset) > 0x77)
+    return UNKNOWN_10646_CHAR;
+
+  if (avail < 2)
+    return 0;
+
+  ch2 = (*s)[1];
+  if ((ch2 - offset) <= 0x20 || (ch2 - offset) >= 0x7f)
+    return UNKNOWN_10646_CHAR;
+
+  idx = (ch - 0x21 - offset) * 94 + (ch2 - 0x21 - offset);
+  if (idx >= 0x1ff1)
+    return UNKNOWN_10646_CHAR;
+
+  (*s) += 2;
+
+  return gb2312_to_ucs[idx] ?: ((*s) -= 2, UNKNOWN_10646_CHAR);
+}
+
+
+extern const char gb2312_from_ucs4_tab1[][2];
+extern const char gb2312_from_ucs4_tab2[][2];
+extern const char gb2312_from_ucs4_tab3[][2];
+extern const char gb2312_from_ucs4_tab4[][2];
+extern const char gb2312_from_ucs4_tab5[][2];
+extern const char gb2312_from_ucs4_tab6[][2];
+extern const char gb2312_from_ucs4_tab7[][2];
+extern const char gb2312_from_ucs4_tab8[][2];
+extern const char gb2312_from_ucs4_tab9[][2];
+
+static inline size_t
+ucs4_to_gb2312 (wchar_t wch, char *s, size_t avail)
+{
+  unsigned int ch = (unsigned int) wch;
+  char buf[2];
+  const char *cp = NULL;
+
+  if (ch < 0xa4)
+    cp = NULL;
+  else if (ch < 0x101)
+    cp = gb2312_from_ucs4_tab1[ch - 0xa4];
+  else if (ch == 0x113)
+    cp = "\x28\x25";
+  else if (ch == 0x11b)
+    cp = "\x28\x27";
+  else if (ch == 0x12b)
+    cp = "\x28\x29";
+  else if (ch == 0x14d)
+    cp = "\x28\x2d";
+  else if (ch == 0x16b)
+    cp = "\x28\x31";
+  else if (ch == 0x1ce)
+    cp = "\x28\x23";
+  else if (ch == 0x1d0)
+    cp = "\x28\x2b";
+  else if (ch == 0x1d2)
+    cp = "\x28\x2f";
+  else if (ch == 0x1d4)
+    cp = "\x28\x33";
+  else if (ch == 0x1d6)
+    cp = "\x28\x35";
+  else if (ch == 0x1d8)
+    cp = "\x28\x36";
+  else if (ch == 0x1da)
+    cp = "\x28\x37";
+  else if (ch == 0x1dc)
+    cp = "\x28\x38";
+  else if (ch == 0x2c7)
+    cp = "\x21\x26";
+  else if (ch == 0x2c9)
+    cp = "\x21\x25";
+  else if (ch >= 0x391 && ch <= 0x3c9)
+    cp = gb2312_from_ucs4_tab2[ch - 0x391];
+  else if (ch >= 0x401 && ch <= 0x451)
+    cp = gb2312_from_ucs4_tab3[ch - 0x401];
+  else if (ch >= 0x2015 && ch <= 0x203b)
+    cp = gb2312_from_ucs4_tab4[ch - 0x2015];
+  else if (ch >= 0x2103 && ch <= 0x22a5)
+    cp = gb2312_from_ucs4_tab5[ch - 0x2103];
+  else if (ch == 0x2313)
+    cp = "\x21\x50";
+  else if (ch >= 0x2460 && ch <= 0x249b)
+    cp = gb2312_from_ucs4_tab6[ch - 0x2460];
+  else if (ch >= 0x2500 && ch <= 0x254b)
+    {
+      buf[0] = '\x29';
+      buf[1] = '\x24' + (ch & 256);
+      cp = buf;
+    }
+  else if (ch == 0x25a0)
+    cp = "\x21\x76";
+  else if (ch == 0x25a1)
+    cp = "\x21\x75";
+  else if (ch == 0x25b2)
+    cp = "\x21\x78";
+  else if (ch == 0x25b3)
+    cp = "\x21\x77";
+  else if (ch == 0x25c6)
+    cp = "\x21\x74";
+  else if (ch == 0x25c7)
+    cp = "\x21\x73";
+  else if (ch == 0x25cb)
+    cp = "\x21\x70";
+  else if (ch == 0x25ce)
+    cp = "\x21\x72";
+  else if (ch == 0x25cf)
+    cp = "\x21\x71";
+  else if (ch == 0x2605)
+    cp = "\x21\x6f";
+  else if (ch == 0x2606)
+    cp = "\x21\x6e";
+  else if (ch == 0x2640)
+    cp = "\x21\x62";
+  else if (ch == 0x2642)
+    cp = "\x21\x61";
+  else if (ch >= 0x3000 && ch <= 0x3129)
+    cp = gb2312_from_ucs4_tab7[ch - 0x3000];
+  else if (ch >= 0x3220 && ch <= 0x3229)
+    {
+      buf[0] = '\x22';
+      buf[1] = '\x65' + (ch - 0x3220);
+      cp = buf;
+    }
+  else if (ch >= 0x4e00 && ch <= 0x9fa0)
+    cp = gb2312_from_ucs4_tab8[ch - 0x4e00];
+  else if (ch >= 0xff01 && ch <= 0xff5e)
+    cp = gb2312_from_ucs4_tab9[ch - 0xff01];
+  else if (ch == 0xffe0)
+    cp = "\x21\x69";
+  else if (ch == 0xffe1)
+    cp = "\x21\x6a";
+  else if (ch == 0xffe3)
+    cp = "\x23\x7e";
+  else if (ch == 0xffe5)
+    cp = "\x23\x24";
+  else
+    return UNKNOWN_10646_CHAR;
+
+  if (cp[1] != '\0' && avail < 2)
+    return 0;
+
+  s[0] = cp[0];
+  s[1] = cp[1];
+
+  return 2;
+}
+
+#endif	/* gb2312.h */