Renamed system/core to system/kernel.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12360 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/boot_item.cpp

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2005, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <boot_item.h>
+#include <util/DoublyLinkedList.h>
+#include <util/kernel_cpp.h>
+
+#include <string.h>
+
+
+// ToDo: the boot items are not supposed to be changed after kernel startup
+//		so no locking is done. So for now, we need to be careful with adding
+//		new items.
+
+struct boot_item : public DoublyLinkedListLinkImpl<boot_item> {
+	const char	*name;
+	void		*data;
+	size_t		size;
+};
+
+typedef DoublyLinkedList<boot_item> ItemList;
+
+
+static ItemList sItemList;
+
+
+status_t
+add_boot_item(const char *name, void *data, size_t size)
+{
+	boot_item *item = new boot_item;
+	if (item == NULL)
+		return B_NO_MEMORY;
+
+	item->name = name;
+	item->data = data;
+	item->size = size;
+
+	sItemList.Add(item);
+	return B_OK;
+}
+
+
+void *
+get_boot_item(const char *name)
+{
+	if (name == NULL || name[0] == '\0')
+		return NULL;
+
+	// search item
+	for (ItemList::Iterator it = sItemList.GetIterator(); it.HasNext();) {
+		boot_item *item = it.Next();
+
+		if (!strcmp(name, item->name))
+			return item->data;
+	}
+
+	return NULL;
+}
+