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-rw-r--r--lib/sliding-window.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/sliding-window.cpp b/lib/sliding-window.cpp
new file mode 100644
index 0000000..88b616a
--- /dev/null
+++ b/lib/sliding-window.cpp
@@ -0,0 +1,37 @@
+/*
+ * PSX-Tools Bundle Pack
+ * Copyright (C) 2002-2005 Nicolas "Pixel" Noble
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <sliding-window.h>
+
+sliding_window::sliding_window(Uint32 _max_window, Uint32 _max_size) :
+ stack((Uint8 *) malloc(_max_size)), max_window(_max_window), max_size(_max_size), entries_recycle(remkroot(sizeof(struct sliding_window::entry_tree_t))), current_size(0) {
+ memset(root_entries, 0, 256 * sizeof(struct entry_tree_t));
+}
+
+sliding_window::~sliding_window() {
+ refree(entries_recycle);
+}
+
+void sliding_window::push_byte(Uint8 b) {
+ struct entry_tree_t * e = (struct entry_tree_t *) renewx(entries_recycle);
+
+ memset(e->hash, 0, 256 * sizeof(struct entry_tree_t *));
+
+// e->offset = current_size++;
+}