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Diffstat (limited to 'libs/libtox/src/toxcore/util.c')
| -rw-r--r-- | libs/libtox/src/toxcore/util.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/libs/libtox/src/toxcore/util.c b/libs/libtox/src/toxcore/util.c deleted file mode 100644 index 5202598518..0000000000 --- a/libs/libtox/src/toxcore/util.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Utilities. - */ - -/* - * Copyright © 2016-2017 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 - -#define _XOPEN_SOURCE 600 - -#include "util.h" - -#include "crypto_core.h" /* for CRYPTO_PUBLIC_KEY_SIZE */ -#include "network.h" /* for current_time_monotonic */ - -#include <time.h> - - -/* don't call into system billions of times for no reason */ -static uint64_t unix_time_value; -static uint64_t unix_base_time_value; - -/* XXX: note that this is not thread-safe; if multiple threads call unix_time_update() concurrently, the return value of - * unix_time() may fail to increase monotonically with increasing time */ -void unix_time_update(void) -{ - if (unix_base_time_value == 0) { - unix_base_time_value = ((uint64_t)time(NULL) - (current_time_monotonic() / 1000ULL)); - } - - unix_time_value = (current_time_monotonic() / 1000ULL) + unix_base_time_value; -} - -uint64_t unix_time(void) -{ - return unix_time_value; -} - -int is_timeout(uint64_t timestamp, uint64_t timeout) -{ - return timestamp + timeout <= unix_time(); -} - - -/* 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 -} - -uint16_t lendian_to_host16(uint16_t lendian) -{ -#ifdef WORDS_BIGENDIAN - return (lendian << 8) | (lendian >> 8); -#else - return lendian; -#endif -} - -void host_to_lendian32(uint8_t *dest, uint32_t num) -{ -#ifdef WORDS_BIGENDIAN - num = ((num << 8) & 0xFF00FF00) | ((num >> 8) & 0xFF00FF); - num = (num << 16) | (num >> 16); -#endif - memcpy(dest, &num, sizeof(uint32_t)); -} - -void lendian_to_host32(uint32_t *dest, const uint8_t *lendian) -{ - uint32_t d; - memcpy(&d, lendian, sizeof(uint32_t)); -#ifdef WORDS_BIGENDIAN - d = ((d << 8) & 0xFF00FF00) | ((d >> 8) & 0xFF00FF); - d = (d << 16) | (d >> 16); -#endif - *dest = d; -} - -/* state load/save */ -int load_state(load_state_callback_func load_state_callback, Logger *log, void *outer, - const uint8_t *data, uint32_t length, uint16_t cookie_inner) -{ - if (!load_state_callback || !data) { - LOGGER_ERROR(log, "load_state() called with invalid args.\n"); - return -1; - } - - - uint16_t type; - uint32_t length_sub, cookie_type; - uint32_t size_head = sizeof(uint32_t) * 2; - - while (length >= size_head) { - lendian_to_host32(&length_sub, data); - lendian_to_host32(&cookie_type, data + sizeof(length_sub)); - data += size_head; - length -= size_head; - - if (length < length_sub) { - /* file truncated */ - LOGGER_ERROR(log, "state file too short: %u < %u\n", length, length_sub); - return -1; - } - - if (lendian_to_host16((cookie_type >> 16)) != cookie_inner) { - /* something is not matching up in a bad way, give up */ - LOGGER_ERROR(log, "state file garbled: %04x != %04x\n", (cookie_type >> 16), cookie_inner); - return -1; - } - - type = lendian_to_host16(cookie_type & 0xFFFF); - - int ret = load_state_callback(outer, data, length_sub, type); - - if (ret == -1) { - return -1; - } - - /* -2 means end of save. */ - if (ret == -2) { - return 0; - } - - data += length_sub; - length -= length_sub; - } - - return length == 0 ? 0 : -1; -} - -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; - } - - if (pthread_mutex_init(mutex, &attr) != 0) { - pthread_mutexattr_destroy(&attr); - return -1; - } - - pthread_mutexattr_destroy(&attr); - - return 0; -} |