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/*
* Miscellaneous functions and data structures for doing random things.
*/
/*
* Copyright © 2016-2017 The TokTok team.
* Copyright © 2013 Tox project.
*
* This file is part of Tox, the free peer to peer instant messenger.
*
* 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/>.
*/
#ifndef _POSIX_C_SOURCE
// For nanosleep().
#define _POSIX_C_SOURCE 199309L
#endif
#include "misc_tools.h"
#include <assert.h>
#include <ctype.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
#include <windows.h>
#else
#include <time.h>
#endif
#include "../toxcore/ccompat.h"
#include "../toxcore/tox.h"
void c_sleep(uint32_t x)
{
#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
Sleep(x);
#else
struct timespec req;
req.tv_sec = x / 1000;
req.tv_nsec = (long)x % 1000 * 1000 * 1000;
nanosleep(&req, nullptr);
#endif
}
// You are responsible for freeing the return value!
uint8_t *hex_string_to_bin(const char *hex_string)
{
// byte is represented by exactly 2 hex digits, so lenth of binary string
// is half of that of the hex one. only hex string with even length
// valid. the more proper implementation would be to check if strlen(hex_string)
// is odd and return error code if it is. we assume strlen is even. if it's not
// then the last byte just won't be written in 'ret'.
size_t i, len = strlen(hex_string) / 2;
uint8_t *ret = (uint8_t *)malloc(len);
const char *pos = hex_string;
for (i = 0; i < len; ++i, pos += 2) {
unsigned int val;
sscanf(pos, "%02x", &val);
ret[i] = val;
}
return ret;
}
/* Reimplementation of strncasecmp() function from strings.h, as strings.h is
* POSIX and not portable. Specifically it doesn't exist on MSVC.
*/
int tox_strncasecmp(const char *s1, const char *s2, size_t n)
{
while (n--) {
int c1 = tolower(*(s1++));
int c2 = tolower(*(s2++));
if (c1 == '\0' || c2 == '\0' || c1 != c2) {
return c1 - c2;
}
}
return 0;
}
int cmdline_parsefor_ipv46(int argc, char **argv, uint8_t *ipv6enabled)
{
int argvoffset = 0, argi;
for (argi = 1; argi < argc; argi++) {
if (!tox_strncasecmp(argv[argi], "--ipv", 5)) {
if (argv[argi][5] && !argv[argi][6]) {
char c = argv[argi][5];
if (c == '4') {
*ipv6enabled = 0;
} else if (c == '6') {
*ipv6enabled = 1;
} else {
printf("Invalid argument: %s. Try --ipv4 or --ipv6!\n", argv[argi]);
return -1;
}
} else {
printf("Invalid argument: %s. Try --ipv4 or --ipv6!\n", argv[argi]);
return -1;
}
if (argvoffset != argi - 1) {
printf("Argument must come first: %s.\n", argv[argi]);
return -1;
}
argvoffset++;
}
}
return argvoffset;
}
static const char *tox_log_level_name(TOX_LOG_LEVEL level)
{
switch (level) {
case TOX_LOG_LEVEL_TRACE:
return "TRACE";
case TOX_LOG_LEVEL_DEBUG:
return "DEBUG";
case TOX_LOG_LEVEL_INFO:
return "INFO";
case TOX_LOG_LEVEL_WARNING:
return "WARNING";
case TOX_LOG_LEVEL_ERROR:
return "ERROR";
}
return "<unknown>";
}
void print_debug_log(Tox *m, TOX_LOG_LEVEL level, const char *file, uint32_t line, const char *func,
const char *message, void *user_data)
{
if (level == TOX_LOG_LEVEL_TRACE) {
return;
}
uint32_t index = user_data ? *(uint32_t *)user_data : 0;
fprintf(stderr, "[#%u] %s %s:%u\t%s:\t%s\n", index, tox_log_level_name(level), file, line, func, message);
}
Tox *tox_new_log_lan(struct Tox_Options *options, TOX_ERR_NEW *err, void *log_user_data, bool lan_discovery)
{
struct Tox_Options *log_options = options;
if (log_options == nullptr) {
log_options = tox_options_new(nullptr);
}
assert(log_options != nullptr);
tox_options_set_local_discovery_enabled(log_options, lan_discovery);
tox_options_set_start_port(log_options, 33445);
tox_options_set_end_port(log_options, 33445 + 2000);
tox_options_set_log_callback(log_options, &print_debug_log);
tox_options_set_log_user_data(log_options, log_user_data);
Tox *tox = tox_new(log_options, err);
if (options == nullptr) {
tox_options_free(log_options);
}
return tox;
}
Tox *tox_new_log(struct Tox_Options *options, TOX_ERR_NEW *err, void *log_user_data)
{
return tox_new_log_lan(options, err, log_user_data, false);
}
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