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authorpixel <pixel>2006-01-31 17:02:38 +0000
committerpixel <pixel>2006-01-31 17:02:38 +0000
commit6daac4eb3604736e20e8af5733f698eb144f0c2a (patch)
tree7a684f120b20e0aae0ecbedcaad480cdae581200 /MSVC/iconv/utf16le.h
parent6634b5d65d21b826830d7601178453a0a3084e8d (diff)
Way too much changes - all over.
Diffstat (limited to 'MSVC/iconv/utf16le.h')
-rw-r--r--MSVC/iconv/utf16le.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/MSVC/iconv/utf16le.h b/MSVC/iconv/utf16le.h
new file mode 100644
index 0000000..7e65b3a
--- /dev/null
+++ b/MSVC/iconv/utf16le.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 1999-2001 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., 59 Temple Place -
+ * Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * UTF-16LE
+ */
+
+/* Specification: RFC 2781 */
+
+static int
+utf16le_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
+{
+ int count = 0;
+ if (n >= 2) {
+ ucs4_t wc = s[0] + (s[1] << 8);
+ if (wc >= 0xd800 && wc < 0xdc00) {
+ if (n >= 4) {
+ ucs4_t wc2 = s[2] + (s[3] << 8);
+ if (!(wc2 >= 0xdc00 && wc2 < 0xe000))
+ return RET_ILSEQ;
+ *pwc = 0x10000 + ((wc - 0xd800) << 10) + (wc2 - 0xdc00);
+ return count+4;
+ }
+ } else if (wc >= 0xdc00 && wc < 0xe000) {
+ return RET_ILSEQ;
+ } else {
+ *pwc = wc;
+ return count+2;
+ }
+ }
+ return RET_TOOFEW(count);
+}
+
+static int
+utf16le_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
+{
+ if (!(wc >= 0xd800 && wc < 0xe000)) {
+ if (wc < 0x10000) {
+ if (n >= 2) {
+ r[0] = (unsigned char) wc;
+ r[1] = (unsigned char) (wc >> 8);
+ return 2;
+ } else
+ return RET_TOOSMALL;
+ }
+ else if (wc < 0x110000) {
+ if (n >= 4) {
+ ucs4_t wc1 = 0xd800 + ((wc - 0x10000) >> 10);
+ ucs4_t wc2 = 0xdc00 + ((wc - 0x10000) & 0x3ff);
+ r[0] = (unsigned char) wc1;
+ r[1] = (unsigned char) (wc1 >> 8);
+ r[2] = (unsigned char) wc2;
+ r[3] = (unsigned char) (wc2 >> 8);
+ return 4;
+ } else
+ return RET_TOOSMALL;
+ }
+ }
+ return RET_ILUNI;
+}