Added more files, mainly beginning of filesystem sources implementation.

src/node.c

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2007 Vreixo Formoso
+ * 
+ * This file is part of the libisofs project; you can redistribute it and/or 
+ * modify it under the terms of the GNU General Public License version 2 as 
+ * published by the Free Software Foundation. See COPYING file for details.
+ */
+
+#include "node.h"
+#include "libisofs.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+/**
+ * Increments the reference counting of the given node.
+ */
+void iso_node_ref(IsoNode *node)
+{
+    ++node->refcount;
+}
+
+/**
+ * Decrements the reference couting of the given node.
+ * If it reach 0, the node is free, and, if the node is a directory,
+ * its children will be unref() too.
+ */
+void iso_node_unref(IsoNode *node)
+{
+    if (--node->refcount == 0) {
+        /* TODO #00002 handle deletion of each kind of node */
+        free(node->name);
+        free(node);
+    }
+}
+
+/**
+ * Set the name of a node.
+ * 
+ * @param name  The name in UTF-8 encoding
+ */
+void iso_node_set_name(IsoNode *node, const char *name)
+{
+    free(node->name);
+    node->name = strdup(name);
+}
+
+/**
+ * Get the name of a node (in UTF-8).
+ * The returned string belongs to the node and should not be modified nor
+ * freed. Use strdup if you really need your own copy.
+ */
+const char *iso_node_get_name(IsoNode *node)
+{
+    return node->name;
+}