mirror of
https://github.com/irungentoo/toxcore.git
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cb69b8a986
Tests are not actually ran on appveyor for now, since they all fault for some reason. For now, we just build them. Also, some tests are disabled on msvc entirely, because they don't even compile. We'll need to look into those, later. They are disabled using `MSVC_DONT_BUILD`.
114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*
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* Miscellaneous functions and data structures for doing random things.
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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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*
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* This file is part of Tox, the free peer to peer instant messenger.
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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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#include <ctype.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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//Sleep function (x = milliseconds)
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#ifndef c_sleep
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#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)
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#include <windows.h>
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#define c_sleep(x) Sleep(x)
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#else
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#include <unistd.h>
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#define c_sleep(x) usleep(1000*(x))
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#endif
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#endif
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// You are responsible for freeing the return value!
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uint8_t *hex_string_to_bin(const char *hex_string)
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{
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// byte is represented by exactly 2 hex digits, so lenth of binary string
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// is half of that of the hex one. only hex string with even length
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// valid. the more proper implementation would be to check if strlen(hex_string)
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// is odd and return error code if it is. we assume strlen is even. if it's not
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// then the last byte just won't be written in 'ret'.
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size_t i, len = strlen(hex_string) / 2;
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uint8_t *ret = (uint8_t *)malloc(len);
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const char *pos = hex_string;
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for (i = 0; i < len; ++i, pos += 2) {
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sscanf(pos, "%2hhx", &ret[i]);
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}
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return ret;
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}
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/* Reimplementation of strncasecmp() function from strings.h, as strings.h is
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* POSIX and not portable. Specifically it doesn't exist on MSVC.
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*/
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int tox_strncasecmp(const char *s1, const char *s2, size_t n)
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{
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while (n--) {
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int c1 = tolower(*(s1++));
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int c2 = tolower(*(s2++));
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if (c1 == '\0' || c2 == '\0' || c1 != c2) {
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return c1 - c2;
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}
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}
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return 0;
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}
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int cmdline_parsefor_ipv46(int argc, char **argv, uint8_t *ipv6enabled)
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{
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int argvoffset = 0, argi;
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for (argi = 1; argi < argc; argi++) {
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if (!tox_strncasecmp(argv[argi], "--ipv", 5)) {
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if (argv[argi][5] && !argv[argi][6]) {
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char c = argv[argi][5];
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if (c == '4') {
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*ipv6enabled = 0;
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} else if (c == '6') {
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*ipv6enabled = 1;
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} else {
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printf("Invalid argument: %s. Try --ipv4 or --ipv6!\n", argv[argi]);
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return -1;
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}
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} else {
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printf("Invalid argument: %s. Try --ipv4 or --ipv6!\n", argv[argi]);
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return -1;
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}
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if (argvoffset != argi - 1) {
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printf("Argument must come first: %s.\n", argv[argi]);
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return -1;
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}
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argvoffset++;
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}
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}
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return argvoffset;
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}
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