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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2013-2014 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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#ifndef __UTIL_H
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#define __UTIL_H
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#include <stdint.h>
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#include <unistd.h>
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#define align_len(len, boundary) (((len)+(boundary)-1) & ~((boundary)-1))
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#define MAC "%02x:%02x:%02x:%02x:%02x:%02x"
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#define MAC_STR(a) a[0], a[1], a[2], a[3], a[4], a[5]
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const char *util_ssid_to_utf8(size_t len, const uint8_t *ssid);
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bool util_ssid_is_utf8(size_t len, const uint8_t *ssid);
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bool util_ssid_is_hidden(size_t len, const uint8_t *ssid);
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const char *util_address_to_string(const uint8_t *addr);
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bool util_string_to_address(const char *str, uint8_t *addr);
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bool util_is_group_address(const uint8_t *addr);
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bool util_is_broadcast_address(const uint8_t *addr);
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const char *util_get_domain(const char *identity);
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const char *util_get_username(const char *identity);
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static inline uint8_t util_bit_field(const uint8_t oct, int start, int num)
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{
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unsigned char mask = (1 << num) - 1;
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return (oct >> start) & mask;
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}
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static inline bool util_is_bit_set(const uint8_t oct, int bit)
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{
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int mask = 1 << bit;
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return oct & mask ? true : false;
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}
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static inline bool util_mem_is_zero(const uint8_t *field, size_t size)
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{
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size_t i;
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for (i = 0; i < size; i++)
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if (field[i] != 0)
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return false;
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return true;
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}
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static inline void util_set_bit(uint8_t *field, unsigned int bit)
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{
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field[bit / 8] = 1 << (bit % 8);
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}
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#endif /* __UTIL_H */
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