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/*
* Utilities.
*/
/*
* Copyright © 2016-2018 The TokTok team.
* Copyright © 2013 Tox project.
* Copyright © 2013 plutooo
*
* This file is part of Tox, the free peer to peer instant messenger.
* This file is donated to the Tox Project.
*
* Tox is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Tox is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Tox. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE 600
#endif
#include "util.h"
#include "crypto_core.h" /* for CRYPTO_PUBLIC_KEY_SIZE */
#include <stdlib.h>
#include <string.h>
#include <time.h>
/* id functions */
bool id_equal(const uint8_t *dest, const uint8_t *src)
{
return public_key_cmp(dest, src) == 0;
}
uint32_t id_copy(uint8_t *dest, const uint8_t *src)
{
memcpy(dest, src, CRYPTO_PUBLIC_KEY_SIZE);
return CRYPTO_PUBLIC_KEY_SIZE;
}
void host_to_net(uint8_t *num, uint16_t numbytes)
{
#ifndef WORDS_BIGENDIAN
uint32_t i;
VLA(uint8_t, buff, numbytes);
for (i = 0; i < numbytes; ++i) {
buff[i] = num[numbytes - i - 1];
}
memcpy(num, buff, numbytes);
#endif
}
void net_to_host(uint8_t *num, uint16_t numbytes)
{
host_to_net(num, numbytes);
}
int create_recursive_mutex(pthread_mutex_t *mutex)
{
pthread_mutexattr_t attr;
if (pthread_mutexattr_init(&attr) != 0) {
return -1;
}
if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) != 0) {
pthread_mutexattr_destroy(&attr);
return -1;
}
/* Create queue mutex */
if (pthread_mutex_init(mutex, &attr) != 0) {
pthread_mutexattr_destroy(&attr);
return -1;
}
pthread_mutexattr_destroy(&attr);
return 0;
}
int16_t max_s16(int16_t a, int16_t b)
{
return a > b ? a : b;
}
int32_t max_s32(int32_t a, int32_t b)
{
return a > b ? a : b;
}
int64_t max_s64(int64_t a, int64_t b)
{
return a > b ? a : b;
}
int16_t min_s16(int16_t a, int16_t b)
{
return a < b ? a : b;
}
int32_t min_s32(int32_t a, int32_t b)
{
return a < b ? a : b;
}
int64_t min_s64(int64_t a, int64_t b)
{
return a < b ? a : b;
}
uint16_t max_u16(uint16_t a, uint16_t b)
{
return a > b ? a : b;
}
uint32_t max_u32(uint32_t a, uint32_t b)
{
return a > b ? a : b;
}
uint64_t max_u64(uint64_t a, uint64_t b)
{
return a > b ? a : b;
}
uint16_t min_u16(uint16_t a, uint16_t b)
{
return a < b ? a : b;
}
uint32_t min_u32(uint32_t a, uint32_t b)
{
return a < b ? a : b;
}
uint64_t min_u64(uint64_t a, uint64_t b)
{
return a < b ? a : b;
}
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