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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
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/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdbool.h>
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#include <ell/ell.h>
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#include "src/p2putil.h"
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void p2p_attr_iter_init(struct p2p_attr_iter *iter, const uint8_t *pdu,
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size_t len)
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{
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iter->pos = pdu;
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iter->end = pdu + len;
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iter->type = -1;
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}
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bool p2p_attr_iter_next(struct p2p_attr_iter *iter)
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{
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if (iter->type != (enum p2p_attr) -1)
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iter->pos += 3 + iter->len;
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if (iter->pos + 3 > iter->end ||
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iter->pos + 3 + l_get_le16(iter->pos + 1) > iter->end)
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return false;
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iter->type = iter->pos[0];
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iter->len = l_get_le16(iter->pos + 1);
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return true;
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}
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