Intermediate changes

1 files changed, 115 insertions, 0 deletions

diff --git a/contrib/libs/libiconv/dec_hanyu.h b/contrib/libs/libiconv/dec_hanyu.h
new file mode 100644
index 0000000000..065fd5d515
--- /dev/null
+++ b/contrib/libs/libiconv/dec_hanyu.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2001, 2005 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, write to the Free Software Foundation, Inc., 51 Franklin Street,
+ * Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/*
+ * DEC-HANYU
+ */
+
+static int
+dec_hanyu_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
+{
+  unsigned char c = *s;
+  /* Code set 0 (ASCII) */
+  if (c < 0x80)
+    return ascii_mbtowc(conv,pwc,s,n);
+  /* Code set 1 (CNS 11643-1992 Plane 1),
+     Code set 2 (CNS 11643-1992 Plane 2),
+     Code set 3 (CNS 11643-1992 Plane 3) */
+  if (c >= 0xa1 && c < 0xff) {
+    if (n < 2)
+      return RET_TOOFEW(0);
+    {
+      unsigned char c2 = s[1];
+      if (c == 0xc2 && c2 == 0xcb) {
+        if (n < 4)
+          return RET_TOOFEW(0);
+        if (s[2] >= 0xa1 && s[2] < 0xff && s[3] >= 0xa1 && s[3] < 0xff) {
+          unsigned char buf[2];
+          int ret;
+          buf[0] = s[2]-0x80; buf[1] = s[3]-0x80;
+          ret = cns11643_3_mbtowc(conv,pwc,buf,2);
+          if (ret != RET_ILSEQ) {
+            if (ret != 2) abort();
+            return 4;
+          }
+        }
+      } else if (c2 >= 0xa1 && c2 < 0xff) {
+        if (c != 0xc2 || c2 < 0xc2) {
+          unsigned char buf[2];
+          buf[0] = c-0x80; buf[1] = c2-0x80;
+          return cns11643_1_mbtowc(conv,pwc,buf,2);
+        }
+      } else if (c2 >= 0x21 && c2 < 0x7f) {
+        unsigned char buf[2];
+        buf[0] = c-0x80; buf[1] = c2;
+        return cns11643_2_mbtowc(conv,pwc,buf,2);
+      }
+    }
+  }
+  return RET_ILSEQ;
+}
+
+static int
+dec_hanyu_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
+{
+  unsigned char buf[3];
+  int ret;
+
+  /* Code set 0 (ASCII) */
+  ret = ascii_wctomb(conv,r,wc,n);
+  if (ret != RET_ILUNI)
+    return ret;
+
+  ret = cns11643_wctomb(conv,buf,wc,3);
+  if (ret != RET_ILUNI) {
+    if (ret != 3) abort();
+
+    /* Code set 1 (CNS 11643-1992 Plane 1) */
+    if (buf[0] == 1 && (buf[1] != 0x42 || buf[2] < 0x42)) {
+      if (n < 2)
+        return RET_TOOSMALL;
+      r[0] = buf[1]+0x80;
+      r[1] = buf[2]+0x80;
+      return 2;
+    }
+
+    /* Code set 2 (CNS 11643-1992 Plane 2) */
+    if (buf[0] == 2) {
+      if (n < 2)
+        return RET_TOOSMALL;
+      r[0] = buf[1]+0x80;
+      r[1] = buf[2];
+      return 2;
+    }
+
+    /* Code set 3 (CNS 11643-1992 Plane 3) */
+    if (buf[0] == 3) {
+      if (n < 4)
+        return RET_TOOSMALL;
+      r[0] = 0xc2;
+      r[1] = 0xcb;
+      r[2] = buf[1]+0x80;
+      r[3] = buf[2]+0x80;
+      return 4;
+    }
+  }
+
+  return RET_ILUNI;
+}