45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This code is originated from Samsung Electronics proprietary sources.
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* Author: Viacheslav Vovchenko, <v.vovchenko@samsung.com>
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* Created: 10 Jul 2017
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*
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* Copyright (C) 2016 Samsung Electronics, Inc.
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*/
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#ifndef __FIVE_LV_H__
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#define __FIVE_LV_H__
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#include <linux/types.h>
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/**
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* Length/Value structure
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*/
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struct lv {
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uint16_t length;
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uint8_t value[];
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} __packed;
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/**
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* Returns the next element from the chain of LV (length/value) data.
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* Returns NULL in a case of memory limits violation
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*/
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struct lv *lv_get_next(struct lv *field, const void *end);
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/**
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* Sets value of LV data and checks memory bounds.
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* Returns 0 on success, otherwise - error.
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*/
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int lv_set(struct lv *field, const void *data, uint16_t data_len,
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const void *end);
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#endif /* __FIVE_LV_H__ */
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