mirror of
https://github.com/TokTok/c-toxcore
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117 lines
2.4 KiB
C
117 lines
2.4 KiB
C
/*
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* Utilities.
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*/
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/*
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* Copyright © 2016-2017 The TokTok team.
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* Copyright © 2013 Tox project.
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* Copyright © 2013 plutooo
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*
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* This file is part of Tox, the free peer to peer instant messenger.
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* This file is donated to the Tox Project.
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*
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* Tox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tox 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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* You should have received a copy of the GNU General Public License
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* along with Tox. If not, see <http://www.gnu.org/licenses/>.
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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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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 600
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#endif
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#include "util.h"
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#include "crypto_core.h" /* for CRYPTO_PUBLIC_KEY_SIZE */
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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/* id functions */
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bool id_equal(const uint8_t *dest, const uint8_t *src)
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{
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return public_key_cmp(dest, src) == 0;
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}
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uint32_t id_copy(uint8_t *dest, const uint8_t *src)
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{
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memcpy(dest, src, CRYPTO_PUBLIC_KEY_SIZE);
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return CRYPTO_PUBLIC_KEY_SIZE;
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}
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void host_to_net(uint8_t *num, uint16_t numbytes)
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{
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#ifndef WORDS_BIGENDIAN
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uint32_t i;
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VLA(uint8_t, buff, numbytes);
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for (i = 0; i < numbytes; ++i) {
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buff[i] = num[numbytes - i - 1];
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}
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memcpy(num, buff, numbytes);
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#endif
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}
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void net_to_host(uint8_t *num, uint16_t numbytes)
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{
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host_to_net(num, numbytes);
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}
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int create_recursive_mutex(pthread_mutex_t *mutex)
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{
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pthread_mutexattr_t attr;
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if (pthread_mutexattr_init(&attr) != 0) {
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return -1;
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}
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if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) != 0) {
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pthread_mutexattr_destroy(&attr);
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return -1;
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}
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/* Create queue mutex */
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if (pthread_mutex_init(mutex, &attr) != 0) {
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pthread_mutexattr_destroy(&attr);
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return -1;
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}
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pthread_mutexattr_destroy(&attr);
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return 0;
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}
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int32_t max_s32(int32_t a, int32_t b)
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{
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return a > b ? a : b;
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}
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int32_t min_s32(int32_t a, int32_t b)
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{
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return a < b ? a : b;
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}
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uint32_t min_u32(uint32_t a, uint32_t b)
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{
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return a < b ? a : b;
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}
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uint64_t min_u64(uint64_t a, uint64_t b)
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{
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return a < b ? a : b;
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}
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