tox-weechat/src/tox-weechat-utils.c

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/*
* Copyright (c) 2014 Håvard Pettersson <haavard.pettersson@gmail.com>
*
* This file is part of Tox-WeeChat.
*
* Tox-WeeChat 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-WeeChat 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-WeeChat. If not, see <http://www.gnu.org/licenses/>.
*/
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#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
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#include <weechat/weechat-plugin.h>
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#include <tox/tox.h>
#include "tox-weechat.h"
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#include "tox-weechat-utils.h"
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void
tox_weechat_hex2bin(const char *hex, char *out)
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{
size_t length = strlen(hex) / 2;
const char *position = hex;
for (size_t i = 0; i < length; ++i)
{
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sscanf(position, "%2hhx", &out[i]);
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position += 2;
}
}
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void
tox_weechat_bin2hex(const uint8_t *bin, size_t size, char *out)
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{
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char *position = out;
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for (size_t i = 0; i < size; ++i)
{
sprintf(position, "%02X", bin[i]);
position += 2;
}
*position = 0;
}
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char *
tox_weechat_null_terminate(const uint8_t *str, size_t length)
{
char *str_null = malloc(length + 1);
memcpy(str_null, str, length);
str_null[length] = 0;
return str_null;
}
char *
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tox_weechat_get_name_nt(Tox *tox, int32_t friend_number)
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{
size_t length = tox_get_name_size(tox, friend_number);
uint8_t name[length];
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// if no name, return client ID instead
if (!length)
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{
uint8_t client_id[TOX_CLIENT_ID_SIZE];
tox_get_client_id(tox, friend_number, client_id);
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char *hex = malloc(TOX_CLIENT_ID_SIZE * 2 + 1);
tox_weechat_bin2hex(client_id, TOX_CLIENT_ID_SIZE, hex);
return hex;
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}
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tox_get_name(tox, friend_number, name);
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return tox_weechat_null_terminate(name, length);
}
char *
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tox_weechat_get_status_message_nt(Tox *tox, int32_t friend_number)
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{
size_t length = tox_get_status_message_size(tox, friend_number);
uint8_t message[length];
tox_get_status_message(tox, friend_number, message, length);
return tox_weechat_null_terminate(message, length);
}
char *
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tox_weechat_get_self_name_nt(Tox *tox)
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{
size_t length = tox_get_self_name_size(tox);
uint8_t name[length];
tox_get_self_name(tox, name);
return tox_weechat_null_terminate(name, length);
}