Diff: btstack/linked_list.h

Revision:

0:fccb789424fc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/btstack/linked_list.h	Mon Jun 10 16:01:50 2013 +0000
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2009 by Matthias Ringwald
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
+ * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+/*
+ *  linked_list.h
+ *
+ *  Created by Matthias Ringwald on 7/13/09.
+ */
+
+#pragma once
+
+#if defined __cplusplus
+extern "C" {
+#endif
+    
+typedef struct linked_item {
+    struct linked_item *next; // <-- next element in list, or NULL
+    void *user_data;          // <-- pointer to struct base
+} linked_item_t;
+
+typedef linked_item_t * linked_list_t;
+
+void linked_item_set_user(linked_item_t *item, void *user_data);        // <-- set user data
+void * linked_item_get_user(linked_item_t *item);                       // <-- get user data
+int  linked_list_empty(linked_list_t * list);
+void linked_list_add(linked_list_t * list, linked_item_t *item);        // <-- add item to list as first element
+void linked_list_add_tail(linked_list_t * list, linked_item_t *item);   // <-- add item to list as last element
+int  linked_list_remove(linked_list_t * list, linked_item_t *item);     // <-- remove item from list
+linked_item_t * linked_list_get_last_item(linked_list_t * list);        // <-- find the last item in the list
+
+void test_linked_list(void);
+
+#if defined __cplusplus
+}
+#endif