Updated zlib, adding hashing functions, and introducing first bits of a new sliding window generic algorithm.

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++;
+}