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51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* Copyright (C) 2013 Freie Universität Berlin
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*
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* This file subject to the terms and conditions of the GNU Lesser General
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* Public License. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @addtogroup core_util
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* @{
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*
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* @file queue.h
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* @brief A simple queue implementation
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*
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* @author Freie Universität Berlin, Computer Systems & Telematics
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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*/
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#ifndef __QUEUE_H
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#define __QUEUE_H
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#include <stdint.h>
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#include <inttypes.h>
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// mspgcc bug : PRIxxx macros not defined before mid-2011 versions
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#ifndef PRIu32
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#define PRIu32 "lu"
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#endif
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typedef struct queue_node_t {
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struct queue_node_t *next;
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unsigned int data;
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uint32_t priority;
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} queue_node_t;
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void queue_add_tail(queue_node_t *root, queue_node_t *new_obj);
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void queue_add_head(queue_node_t *root, queue_node_t *new_obj);
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queue_node_t *queue_remove_head(queue_node_t *root);
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void queue_priority_add(queue_node_t *root, queue_node_t *new_obj);
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void queue_priority_add_generic(queue_node_t *root, queue_node_t *new_obj, int(*cmp)(queue_node_t *, queue_node_t *)) ;
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void queue_remove(queue_node_t *root, queue_node_t *node);
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#if ENABLE_DEBUG
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void queue_print(queue_node_t *node);
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void queue_print_node(queue_node_t *node);
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#endif
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/** @} */
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#endif /* __QUEUE_H */
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