pmt: initial 3.0.2 update

jni/parted/libiconv/lib/ucs4.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 1999-2001, 2008, 2011, 2016 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 Lesser General Public
+ * License as published by the Free Software Foundation; either version 2.1
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/*
+ * UCS-4
+ */
+
+/* Here we accept FFFE0000/0000FEFF marks as endianness indicators everywhere
+   in the stream, not just at the beginning. The default is big-endian. */
+/* The state is 0 if big-endian, 1 if little-endian. */
+static int
+ucs4_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
+{
+  state_t state = conv->istate;
+  int count = 0;
+  for (; n >= 4 && count <= RET_COUNT_MAX && count <= INT_MAX-4;) {
+    ucs4_t wc = (state
+                  ? s[0] + (s[1] << 8) + (s[2] << 16) + (s[3] << 24)
+                  : (s[0] << 24) + (s[1] << 16) + (s[2] << 8) + s[3]);
+    if (wc == 0x0000feff) {
+    } else if (wc == 0xfffe0000u) {
+      state ^= 1;
+    } else if (wc <= 0x7fffffff) {
+      *pwc = wc;
+      conv->istate = state;
+      return count+4;
+    } else {
+      conv->istate = state;
+      return RET_SHIFT_ILSEQ(count);
+    }
+    s += 4; n -= 4; count += 4;
+  }
+  conv->istate = state;
+  return RET_TOOFEW(count);
+}
+
+/* But we output UCS-4 in big-endian order, without byte-order mark. */
+static int
+ucs4_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
+{
+  if (wc <= 0x7fffffff) {
+    if (n >= 4) {
+      r[0] = (unsigned char) (wc >> 24);
+      r[1] = (unsigned char) (wc >> 16);
+      r[2] = (unsigned char) (wc >> 8);
+      r[3] = (unsigned char) wc;
+      return 4;
+    } else
+      return RET_TOOSMALL;
+  } else
+    return RET_ILUNI;
+}