Update Files

Kha/Tools/linux_arm64/std/haxe/io/BufferInput.hx

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+/*
+ * Copyright (C)2005-2019 Haxe Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+package haxe.io;
+
+class BufferInput extends haxe.io.Input {
+	public var i:haxe.io.Input;
+	public var buf:haxe.io.Bytes;
+	public var available:Int;
+	public var pos:Int;
+
+	public function new(i, buf, ?pos = 0, ?available = 0) {
+		this.i = i;
+		this.buf = buf;
+		this.pos = pos;
+		this.available = available;
+	}
+
+	public function refill() {
+		if (pos > 0) {
+			buf.blit(0, buf, pos, available);
+			pos = 0;
+		}
+		available += i.readBytes(buf, available, buf.length - available);
+	}
+
+	override function readByte() {
+		if (available == 0)
+			refill();
+		var c = buf.get(pos);
+		pos++;
+		available--;
+		return c;
+	}
+
+	override function readBytes(buf:haxe.io.Bytes, pos:Int, len:Int) {
+		if (available == 0)
+			refill();
+		var size = if (len > available) available else len;
+		buf.blit(pos, this.buf, this.pos, size);
+		this.pos += size;
+		this.available -= size;
+		return size;
+	}
+}