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authorColin Cross <ccross@android.com>2010-04-19 17:05:34 -0700
committerColin Cross <ccross@android.com>2010-04-21 19:43:35 -0700
commited8a7d84428ec945c48b6b53dc5a3a18fabaf683 (patch)
tree9cb7e354a86e2109b5a9b1418986333daec9a5b3 /init/list.h
parent12541c61311e0488e9873df754f8328cd12f99b4 (diff)
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init: Move list and log handling to list.h and log.h
Change-Id: I298f575c590d0f28b7ad78747f3ebdbba56b7a27
Diffstat (limited to 'init/list.h')
-rw-r--r--init/list.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/init/list.h b/init/list.h
new file mode 100644
index 0000000..04cb0d3
--- /dev/null
+++ b/init/list.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _INIT_LIST_H_
+#define _INIT_LIST_H_
+
+struct listnode
+{
+ struct listnode *next;
+ struct listnode *prev;
+};
+
+#define node_to_item(node, container, member) \
+ (container *) (((char*) (node)) - offsetof(container, member))
+
+#define list_declare(name) \
+ struct listnode name = { \
+ .next = &name, \
+ .prev = &name, \
+ }
+
+#define list_for_each(node, list) \
+ for (node = (list)->next; node != (list); node = node->next)
+
+void list_init(struct listnode *list);
+void list_add_tail(struct listnode *list, struct listnode *item);
+void list_remove(struct listnode *item);
+
+#define list_empty(list) ((list) == (list)->next)
+#define list_head(list) ((list)->next)
+#define list_tail(list) ((list)->prev)
+
+#endif