[Scummvm-cvs-logs] SF.net SVN: scummvm: [21667] scummvm/trunk/backends/fs/fs.cpp

[fingolfin at users.sourceforge.net]

Revision: 21667
Author:   fingolfin
Date:     2006-04-07 04:47:58 -0700 (Fri, 07 Apr 2006)
ViewCVS:  http://svn.sourceforge.net/scummvm/?rev=21667&view=rev

Log Message:
-----------
Cache the root node (cause a major speedup on OSX, since by far the slowes part in the FS code over here is the getcwd call in getRoot() )

Modified Paths:
--------------
    scummvm/trunk/backends/fs/fs.cpp
Modified: scummvm/trunk/backends/fs/fs.cpp
===================================================================
--- scummvm/trunk/backends/fs/fs.cpp	2006-04-07 11:37:46 UTC (rev 21666)
+++ scummvm/trunk/backends/fs/fs.cpp	2006-04-07 11:47:58 UTC (rev 21667)
@@ -24,6 +24,10 @@
 #include "backends/fs/fs.h"
 #include "common/util.h"
 
+
+static AbstractFilesystemNode *_rootNode = 0;
+static int *_rootRefCount = 0;
+
 FilesystemNode AbstractFilesystemNode::wrap(AbstractFilesystemNode *node) {
 	FilesystemNode wrapper(node);
 	return wrapper;
@@ -35,8 +39,13 @@
 }
 
 FilesystemNode::FilesystemNode() {
-	_realNode = getRoot();
-	_refCount = new int(1);
+	if (_rootNode == 0) {
+		_rootNode = getRoot();
+		_rootRefCount = new int(1);
+	}
+	_realNode = _rootNode;
+	_refCount = _rootRefCount;
+	++(*_refCount);
 }
 
 FilesystemNode::FilesystemNode(const FilesystemNode &node)


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.