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43 lines
823 B
C
43 lines
823 B
C
/*
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* Copyright (C) 2014 Martin Lenders <mlenders@inf.fu-berlin.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @addtogroup netdev
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* @{
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*
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* @file base.c
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* @brief Provides helper functions to the API in @ref netdev/base.h.
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*
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#include "clist.h"
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#include "netdev/base.h"
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size_t netdev_get_hlist_len(const netdev_hlist_t *hlist)
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{
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netdev_hlist_t *ptr = (netdev_hlist_t *)hlist;
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size_t length = 0;
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if (ptr == NULL) {
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return 0;
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}
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do {
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length += ptr->header_len;
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netdev_hlist_advance(&ptr);
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} while (ptr != hlist);
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return length;
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}
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/**
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* @}
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*/
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