From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/iconv/lib/ucs2swapped.h | 60 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 jni/iconv/lib/ucs2swapped.h

(limited to 'jni/iconv/lib/ucs2swapped.h')

diff --git a/jni/iconv/lib/ucs2swapped.h b/jni/iconv/lib/ucs2swapped.h
new file mode 100644
index 0000000..f426f40
--- /dev/null
+++ b/jni/iconv/lib/ucs2swapped.h
@@ -0,0 +1,60 @@
+/*
+ * 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., 51 Franklin Street,
+ * Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/*
+ * UCS-2-SWAPPED = UCS-2-INTERNAL with inverted endianness
+ */
+
+static int
+ucs2swapped_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
+{
+  /* This function assumes that 'unsigned short' has exactly 16 bits. */
+  if (sizeof(unsigned short) != 2) abort();
+
+  if (n >= 2) {
+    unsigned short x = *(const unsigned short *)s;
+    x = (x >> 8) | (x << 8);
+    if (x >= 0xd800 && x < 0xe000) {
+      return RET_ILSEQ;
+    } else {
+      *pwc = x;
+      return 2;
+    }
+  }
+  return RET_TOOFEW(0);
+}
+
+static int
+ucs2swapped_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
+{
+  /* This function assumes that 'unsigned short' has exactly 16 bits. */
+  if (sizeof(unsigned short) != 2) abort();
+
+  if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
+    if (n >= 2) {
+      unsigned short x = wc;
+      x = (x >> 8) | (x << 8);
+      *(unsigned short *)r = x;
+      return 2;
+    } else
+      return RET_TOOSMALL;
+  } else
+    return RET_ILUNI;
+}
-- 
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