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nTox.c
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nTox.c
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/* nTox.c
*
* Textual frontend for Tox.
*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* 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
#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)
#define _WIN32_WINNT 0x501
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <arpa/inet.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/types.h>
#endif
#include <sys/select.h>
#include "misc_tools.c"
#include "nTox.h"
#include <locale.h>
#include <stdio.h>
#include <time.h>
#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)
#define c_sleep(x) Sleep(1*x)
#else
#include <unistd.h>
#define c_sleep(x) usleep(1000*x)
#endif
static void new_lines(char const *line);
static void do_refresh(void);
static char lines[HISTORY][STRING_LENGTH];
static uint8_t flag[HISTORY];
static char input_line[STRING_LENGTH];
/* wrap: continuation mark */
enum { wrap_cont_len = 3 };
static const char wrap_cont_str[] = "\n+ ";
#define STRING_LENGTH_WRAPPED (STRING_LENGTH + 16 * (wrap_cont_len + 1))
/* documented: fdmnlsahxgiztq(c[rfg]) */
/* undocumented: d (tox_do()) */
/* 251+1 characters */
static const char *help_main =
"[i] Available main commands:\n+ "
"/x (to print one's own id)|"
"/s status (to change status, e.g. AFK)|"
"/n nick (to change your nickname)|"
"/q (to quit)|"
"/cr (to reset conversation)|"
"/h friend (for friend related commands)|"
"/h group (for group related commands)";
/* 190+1 characters */
static const char *help_friend1 =
"[i] Available friend commands (1/2):\n+ "
"/l list (to list friends)|"
"/r friend no. (to remove from the friend list)|"
"/f ID (to send a friend request)|"
"/a request no. (to accept a friend request)";
/* 187+1 characters */
static const char *help_friend2 =
"[i] Available friend commands (2/2):\n+ "
"/m friend no. message (to send a message)|"
"/t friend no. filename (to send a file to a friend)|"
"/cf friend no. (to talk to that friend per default)";
/* 253+1 characters */
static const char *help_group =
"[i] Available group commands:\n+ "
"/g (to create a group)|"
"/i friend no. group no. (to invite a friend to a group)|"
"/z group no. message (to send a message to a group)|"
"/p group no. (to list a group's peers)|"
"/cg group no. (to talk to that group per default)";
static int x, y;
static int conversation_default = 0;
typedef struct {
uint8_t id[TOX_PUBLIC_KEY_SIZE];
uint8_t accepted;
} Friend_request;
static Friend_request pending_requests[256];
static uint8_t num_requests = 0;
#define NUM_FILE_SENDERS 64
typedef struct {
FILE *file;
uint32_t friendnum;
uint32_t filenumber;
} File_Sender;
static File_Sender file_senders[NUM_FILE_SENDERS];
static uint8_t numfilesenders;
static void tox_file_chunk_request(Tox *tox, uint32_t friend_number, uint32_t file_number, uint64_t position,
size_t length,
void *user_data)
{
unsigned int i;
for (i = 0; i < NUM_FILE_SENDERS; ++i) {
/* This is slow */
if (file_senders[i].file && file_senders[i].friendnum == friend_number && file_senders[i].filenumber == file_number) {
if (length == 0) {
fclose(file_senders[i].file);
file_senders[i].file = 0;
char msg[512];
sprintf(msg, "[t] %u file transfer: %u completed", file_senders[i].friendnum, file_senders[i].filenumber);
new_lines(msg);
break;
}
fseek(file_senders[i].file, position, SEEK_SET);
uint8_t data[length];
int len = fread(data, 1, length, file_senders[i].file);
tox_file_send_chunk(tox, friend_number, file_number, position, data, len, 0);
break;
}
}
}
static uint32_t add_filesender(Tox *m, uint16_t friendnum, char *filename)
{
FILE *tempfile = fopen(filename, "rb");
if (tempfile == 0) {
return -1;
}
fseek(tempfile, 0, SEEK_END);
uint64_t filesize = ftell(tempfile);
fseek(tempfile, 0, SEEK_SET);
uint32_t filenum = tox_file_send(m, friendnum, TOX_FILE_KIND_DATA, filesize, 0, (uint8_t *)filename,
strlen(filename), 0);
if (filenum == -1) {
return -1;
}
file_senders[numfilesenders].file = tempfile;
file_senders[numfilesenders].friendnum = friendnum;
file_senders[numfilesenders].filenumber = filenum;
++numfilesenders;
return filenum;
}
#define FRADDR_TOSTR_CHUNK_LEN 8
#define FRADDR_TOSTR_BUFSIZE (TOX_ADDRESS_SIZE * 2 + TOX_ADDRESS_SIZE / FRADDR_TOSTR_CHUNK_LEN + 1)
static void fraddr_to_str(uint8_t *id_bin, char *id_str)
{
uint32_t i, delta = 0, pos_extra = 0, sum_extra = 0;
for (i = 0; i < TOX_ADDRESS_SIZE; i++) {
sprintf(&id_str[2 * i + delta], "%02hhX", id_bin[i]);
if ((i + 1) == TOX_PUBLIC_KEY_SIZE) {
pos_extra = 2 * (i + 1) + delta;
}
if (i >= TOX_PUBLIC_KEY_SIZE) {
sum_extra |= id_bin[i];
}
if (!((i + 1) % FRADDR_TOSTR_CHUNK_LEN)) {
id_str[2 * (i + 1) + delta] = ' ';
delta++;
}
}
id_str[2 * i + delta] = 0;
if (!sum_extra) {
id_str[pos_extra] = 0;
}
}
static void get_id(Tox *m, char *data)
{
sprintf(data, "[i] ID: ");
int offset = strlen(data);
uint8_t address[TOX_ADDRESS_SIZE];
tox_self_get_address(m, address);
fraddr_to_str(address, data + offset);
}
static int getfriendname_terminated(Tox *m, int friendnum, char *namebuf)
{
tox_friend_get_name(m, friendnum, (uint8_t *)namebuf, NULL);
int res = tox_friend_get_name_size(m, friendnum, NULL);
if (res >= 0) {
namebuf[res] = 0;
} else {
namebuf[0] = 0;
}
return res;
}
static void new_lines_mark(char const *line, uint8_t special)
{
int i = 0;
for (i = HISTORY - 1; i > 0; i--) {
strncpy(lines[i], lines[i - 1], STRING_LENGTH - 1);
flag[i] = flag[i - 1];
}
strncpy(lines[0], line, STRING_LENGTH - 1);
flag[i] = special;
do_refresh();
}
static void new_lines(char const *line)
{
new_lines_mark(line, 0);
}
static const char ptrn_friend[] = "[i] Friend %i: %s\n+ id: %s";
static const int id_str_len = TOX_ADDRESS_SIZE * 2 + 3;
static void print_friendlist(Tox *m)
{
new_lines("[i] Friend List:");
char name[TOX_MAX_NAME_LENGTH + 1];
uint8_t fraddr_bin[TOX_ADDRESS_SIZE];
char fraddr_str[FRADDR_TOSTR_BUFSIZE];
/* account for the longest name and the longest "base" string and number (int) and id_str */
char fstring[TOX_MAX_NAME_LENGTH + strlen(ptrn_friend) + 21 + id_str_len];
uint32_t i = 0;
while (getfriendname_terminated(m, i, name) != -1) {
if (tox_friend_get_public_key(m, i, fraddr_bin, NULL)) {
fraddr_to_str(fraddr_bin, fraddr_str);
} else {
sprintf(fraddr_str, "???");
}
if (strlen(name) <= 0) {
sprintf(fstring, ptrn_friend, i, "No name?", fraddr_str);
} else {
sprintf(fstring, ptrn_friend, i, (uint8_t *)name, fraddr_str);
}
i++;
new_lines(fstring);
}
if (i == 0) {
new_lines("+ no friends! D:");
}
}
static int fmtmsg_tm_mday = -1;
static void print_formatted_message(Tox *m, char *message, int friendnum, uint8_t outgoing)
{
char name[TOX_MAX_NAME_LENGTH + 1];
getfriendname_terminated(m, friendnum, name);
char msg[100 + strlen(message) + strlen(name) + 1];
time_t rawtime;
struct tm *timeinfo;
time(&rawtime);
timeinfo = localtime(&rawtime);
/* assume that printing the date once a day is enough */
if (fmtmsg_tm_mday != timeinfo->tm_mday) {
fmtmsg_tm_mday = timeinfo->tm_mday;
/* strftime(msg, 100, "Today is %a %b %d %Y.", timeinfo); */
/* %x is the locale's preferred date format */
strftime(msg, 100, "Today is %x.", timeinfo);
new_lines(msg);
}
char time[64];
/* strftime(time, 64, "%I:%M:%S %p", timeinfo); */
/* %X is the locale's preferred time format */
strftime(time, 64, "%X", timeinfo);
if (outgoing) {
/* tgt: friend */
sprintf(msg, "[%d] %s =>{%s} %s", friendnum, time, name, message);
} else {
/* src: friend */
sprintf(msg, "[%d] %s <%s>: %s", friendnum, time, name, message);
}
new_lines(msg);
}
/* forward declarations */
static int save_data(Tox *m);
static void print_groupchatpeers(Tox *m, int groupnumber);
static void line_eval(Tox *m, char *line)
{
if (line[0] == '/') {
char inpt_command = line[1];
char prompt[STRING_LENGTH + 2] = "> ";
int prompt_offset = 3;
strcat(prompt, line);
new_lines(prompt);
if (inpt_command == 'f') { // add friend command: /f ID
int i, delta = 0;
char temp_id[128];
for (i = 0; i < 128; i++) {
temp_id[i - delta] = line[i + prompt_offset];
if ((temp_id[i - delta] == ' ') || (temp_id[i - delta] == '+')) {
delta++;
}
}
unsigned char *bin_string = hex_string_to_bin(temp_id);
TOX_ERR_FRIEND_ADD error;
uint32_t num = tox_friend_add(m, bin_string, (const uint8_t *)"Install Gentoo", sizeof("Install Gentoo"), &error);
free(bin_string);
char numstring[100];
switch (error) {
case TOX_ERR_FRIEND_ADD_TOO_LONG:
sprintf(numstring, "[i] Message is too long.");
break;
case TOX_ERR_FRIEND_ADD_NO_MESSAGE:
sprintf(numstring, "[i] Please add a message to your request.");
break;
case TOX_ERR_FRIEND_ADD_OWN_KEY:
sprintf(numstring, "[i] That appears to be your own ID.");
break;
case TOX_ERR_FRIEND_ADD_ALREADY_SENT:
sprintf(numstring, "[i] Friend request already sent.");
break;
case TOX_ERR_FRIEND_ADD_BAD_CHECKSUM:
sprintf(numstring, "[i] Address has a bad checksum.");
break;
case TOX_ERR_FRIEND_ADD_SET_NEW_NOSPAM:
sprintf(numstring, "[i] New nospam set.");
break;
case TOX_ERR_FRIEND_ADD_MALLOC:
sprintf(numstring, "[i] malloc error.");
break;
case TOX_ERR_FRIEND_ADD_NULL:
sprintf(numstring, "[i] message was NULL.");
break;
case TOX_ERR_FRIEND_ADD_OK:
sprintf(numstring, "[i] Added friend as %d.", num);
save_data(m);
break;
}
new_lines(numstring);
} else if (inpt_command == 'd') {
tox_iterate(m, NULL);
} else if (inpt_command == 'm') { //message command: /m friendnumber messsage
char *posi[1];
int num = strtoul(line + prompt_offset, posi, 0);
if (**posi != 0) {
if (tox_friend_send_message(m, num, TOX_MESSAGE_TYPE_NORMAL, (uint8_t *) *posi + 1, strlen(*posi + 1), NULL) < 1) {
char sss[256];
sprintf(sss, "[i] could not send message to friend num %u", num);
new_lines(sss);
} else {
print_formatted_message(m, *posi + 1, num, 1);
}
} else {
new_lines("Error, bad input.");
}
} else if (inpt_command == 'n') {
uint8_t name[TOX_MAX_NAME_LENGTH];
size_t i, len = strlen(line);
for (i = 3; i < len; i++) {
if (line[i] == 0 || line[i] == '\n') {
break;
}
name[i - 3] = line[i];
}
name[i - 3] = 0;
tox_self_set_name(m, name, i - 2, NULL);
char numstring[100];
sprintf(numstring, "[i] changed nick to %s", (char *)name);
new_lines(numstring);
} else if (inpt_command == 'l') {
print_friendlist(m);
} else if (inpt_command == 's') {
uint8_t status[TOX_MAX_STATUS_MESSAGE_LENGTH];
size_t i, len = strlen(line);
for (i = 3; i < len; i++) {
if (line[i] == 0 || line[i] == '\n') {
break;
}
status[i - 3] = line[i];
}
status[i - 3] = 0;
tox_self_set_status_message(m, status, strlen((char *)status), NULL);
char numstring[100];
sprintf(numstring, "[i] changed status to %s", (char *)status);
new_lines(numstring);
} else if (inpt_command == 'a') { // /a #: accept
uint8_t numf = atoi(line + 3);
char numchar[100];
if (numf >= num_requests || pending_requests[numf].accepted) {
sprintf(numchar, "[i] you either didn't receive that request or you already accepted it");
new_lines(numchar);
} else {
uint32_t num = tox_friend_add_norequest(m, pending_requests[numf].id, NULL);
if (num != UINT32_MAX) {
pending_requests[numf].accepted = 1;
sprintf(numchar, "[i] friend request %u accepted as friend no. %d", numf, num);
new_lines(numchar);
save_data(m);
} else {
sprintf(numchar, "[i] failed to add friend");
new_lines(numchar);
}
}
} else if (inpt_command == 'r') { // /r #: remove friend
uint8_t numf = atoi(line + 3);
if (!tox_friend_exists(m, numf)) {
char err[64];
sprintf(err, "You don't have a friend %i.", numf);
new_lines(err);
return;
}
char msg[128 + TOX_MAX_NAME_LENGTH];
char fname[TOX_MAX_NAME_LENGTH ];
getfriendname_terminated(m, numf, fname);
sprintf(msg, "Are you sure you want to delete friend %i: %s? (y/n)", numf, fname);
input_line[0] = 0;
new_lines(msg);
int c;
do {
c = getchar();
} while ((c != 'y') && (c != 'n') && (c != EOF));
if (c == 'y') {
int res = tox_friend_delete(m, numf, NULL);
if (res) {
sprintf(msg, "[i] [%i: %s] is no longer your friend", numf, fname);
} else {
sprintf(msg, "[i] failed to remove friend");
}
new_lines(msg);
}
} else if (inpt_command == 'h') { //help
if (line[2] == ' ') {
if (line[3] == 'f') {
new_lines_mark(help_friend1, 1);
new_lines_mark(help_friend2, 1);
return;
}
if (line[3] == 'g') {
new_lines_mark(help_group, 1);
return;
}
}
new_lines_mark(help_main, 1);
} else if (inpt_command == 'x') { //info
char idstring[200];
get_id(m, idstring);
new_lines(idstring);
} else if (inpt_command == 'g') { //create new group chat
char msg[256];
sprintf(msg, "[g] Created new group chat with number: %u", tox_conference_new(m, NULL));
new_lines(msg);
} else if (inpt_command == 'i') { //invite friendnum to groupnum
char *posi[1];
int friendnumber = strtoul(line + prompt_offset, posi, 0);
int groupnumber = strtoul(*posi + 1, NULL, 0);
char msg[256];
sprintf(msg, "[g] Invited friend number %u to group number %u, returned: %u (0 means success)", friendnumber,
groupnumber, tox_conference_invite(m, friendnumber, groupnumber, NULL));
new_lines(msg);
} else if (inpt_command == 'z') { //send message to groupnum
char *posi[1];
int groupnumber = strtoul(line + prompt_offset, posi, 0);
if (**posi != 0) {
int res = tox_conference_send_message(m, groupnumber, TOX_MESSAGE_TYPE_NORMAL, (uint8_t *)*posi + 1, strlen(*posi + 1),
NULL);
if (res == 0) {
char msg[32 + STRING_LENGTH];
sprintf(msg, "[g] #%u: YOU: %s", groupnumber, *posi + 1);
new_lines(msg);
} else {
char msg[128];
sprintf(msg, "[i] could not send message to group no. %u: %i", groupnumber, res);
new_lines(msg);
}
}
} else if (inpt_command == 't') {
char *posi[1];
int friendnum = strtoul(line + prompt_offset, posi, 0);
if (**posi != 0) {
char msg[512];
sprintf(msg, "[t] Sending file %s to friendnum %u filenumber is %i (-1 means failure)", *posi + 1, friendnum,
add_filesender(m, friendnum, *posi + 1));
new_lines(msg);
}
} else if (inpt_command == 'q') { //exit
save_data(m);
endwin();
tox_kill(m);
exit(EXIT_SUCCESS);
} else if (inpt_command == 'c') { //set conversation partner
if (line[2] == 'r') {
if (conversation_default != 0) {
conversation_default = 0;
new_lines("[i] default conversation reset");
} else {
new_lines("[i] default conversation wasn't set, nothing to do");
}
} else if (line[3] != ' ') {
new_lines("[i] invalid command");
} else {
int num = atoi(line + 4);
/* zero is also returned for not-a-number */
if (!num && strcmp(line + 4, "0")) {
num = -1;
}
if (num < 0) {
new_lines("[i] invalid command parameter");
} else if (line[2] == 'f') {
conversation_default = num + 1;
char buffer[128];
sprintf(buffer, "[i] default conversation is now to friend %i", num);
new_lines(buffer);
} else if (line[2] == 'g') {
char buffer[128];
conversation_default = - (num + 1);
sprintf(buffer, "[i] default conversation is now to group %i", num);
new_lines(buffer);
} else {
new_lines("[i] invalid command");
}
}
} else if (inpt_command == 'p') { //list peers
char *posi = NULL;
int group_number = strtoul(line + prompt_offset, &posi, 0);
if (posi != NULL) {
char msg[64];
uint32_t peer_cnt = tox_conference_peer_count(m, group_number, NULL);
if (peer_cnt == UINT32_MAX) {
new_lines("[g] Invalid group number.");
} else if (peer_cnt == 0) {
sprintf(msg, "[g] #%i: No peers in group.", group_number);
new_lines(msg);
} else {
sprintf(msg, "[g] #%i: Group has %i peers. Names:", group_number, peer_cnt);
new_lines(msg);
print_groupchatpeers(m, group_number);
}
}
} else {
new_lines("[i] invalid command");
}
} else {
if (conversation_default != 0) {
if (conversation_default > 0) {
int friendnumber = conversation_default - 1;
uint32_t res = tox_friend_send_message(m, friendnumber, TOX_MESSAGE_TYPE_NORMAL, (uint8_t *)line, strlen(line), NULL);
if (res == 0) {
char sss[128];
sprintf(sss, "[i] could not send message to friend no. %u", friendnumber);
new_lines(sss);
} else {
print_formatted_message(m, line, friendnumber, 1);
}
} else {
int groupnumber = - conversation_default - 1;
int res = tox_conference_send_message(m, groupnumber, TOX_MESSAGE_TYPE_NORMAL, (uint8_t *)line, strlen(line), NULL);
if (res == 0) {
char msg[32 + STRING_LENGTH];
sprintf(msg, "[g] #%u: YOU: %s", groupnumber, line);
new_lines(msg);
} else {
char msg[128];
sprintf(msg, "[i] could not send message to group no. %u: %i", groupnumber, res);
new_lines(msg);
}
}
} else {
new_lines("[i] invalid input: neither command nor in conversation");
}
}
}
/* basic wrap, ignores embedded '\t', '\n' or '|'
* inserts continuation markers if there's enough space left,
* otherwise turns spaces into newlines if possible */
static void wrap(char output[STRING_LENGTH_WRAPPED], char input[STRING_LENGTH], int line_width)
{
size_t i, len = strlen(input);
if ((line_width < 4) || (len < (size_t)line_width)) {
/* if line_width ridiculously tiny, it's not worth the effort */
strcpy(output, input);
return;
}
/* how much can we shift? */
size_t delta_is = 0, delta_remain = STRING_LENGTH_WRAPPED - len - 1;
/* if the line is very very short, don't insert continuation markers,
* as they would use up too much of the line */
if ((size_t)line_width < 2 * wrap_cont_len) {
delta_remain = 0;
}
for (i = line_width; i < len; i += line_width) {
/* look backward for a space to expand/turn into a new line */
size_t k = i;
size_t m = i - line_width;
while (input[k] != ' ' && k > m) {
k--;
}
if (k > m) {
if (delta_remain > wrap_cont_len) {
/* replace space with continuation, then
* set the pos. after the space as new line start
* (i.e. space is being "eaten") */
memcpy(output + m + delta_is, input + m, k - m);
strcpy(output + k + delta_is, wrap_cont_str);
delta_remain -= wrap_cont_len - 1;
delta_is += wrap_cont_len - 1;
i = k + 1;
} else {
/* no more space to push forward: replace the space,
* use its pos. + 1 as starting point for the next line */
memcpy(output + m + delta_is, input + m, k - m);
output[k + delta_is] = '\n';
i = k + 1;
}
} else {
/* string ends right here:
* don't add a continuation marker with nothing following */
if (i == len - 1) {
break;
}
/* nothing found backwards */
if (delta_remain > wrap_cont_len) {
/* break at the end of the line,
* i.e. in the middle of the word at the border */
memcpy(output + m + delta_is, input + m, line_width);
strcpy(output + i + delta_is, wrap_cont_str);
delta_remain -= wrap_cont_len;
delta_is += wrap_cont_len;
} else {
/* no more space to push, no space to convert:
* just copy the whole line and move on;
* means the line count calc'ed will be off */
memcpy(output + m + delta_is, input + m, line_width);
}
}
}
i -= line_width;
memcpy(output + i + delta_is, input + i, len - i);
output[len + delta_is] = 0;
}
/*
* extended wrap, honors '\n', accepts '|' as "break here when necessary"
* marks wrapped lines with "+ " in front, which does expand output
* does NOT honor '\t': would require a lot more work (and tab width isn't always 8)
*/
static void wrap_bars(char output[STRING_LENGTH_WRAPPED], char input[STRING_LENGTH], size_t line_width)
{
size_t len = strlen(input);
size_t ipos, opos = 0;
size_t bar_avail = 0, space_avail = 0, nl_got = 0; /* in opos */
for (ipos = 0; ipos < len; ipos++) {
if (opos - nl_got < line_width) {
/* not yet at the limit */
char c = input[ipos];
if (c == ' ') {
space_avail = opos;
}
output[opos++] = input[ipos];
if (opos >= STRING_LENGTH_WRAPPED) {
opos = STRING_LENGTH_WRAPPED - 1;
break;
}
if (c == '|') {
output[opos - 1] = ' ';
bar_avail = opos;
if (opos + 2 >= STRING_LENGTH_WRAPPED) {
opos = STRING_LENGTH_WRAPPED - 1;
break;
}
output[opos++] = '|';
output[opos++] = ' ';
}
if (c == '\n') {
nl_got = opos;
}
continue;
}
/* at the limit */
if (bar_avail > nl_got) {
/* overwrite */
memcpy(output + bar_avail - 1, wrap_cont_str, wrap_cont_len);
nl_got = bar_avail;
ipos--;
continue;
}
if (space_avail > nl_got) {
if (opos + wrap_cont_len - 1 >= STRING_LENGTH_WRAPPED) {
opos = STRING_LENGTH_WRAPPED - 1;
break;
}
/* move forward by 2 characters */
memmove(output + space_avail + 3, output + space_avail + 1, opos - (space_avail + 1));
memcpy(output + space_avail, wrap_cont_str, wrap_cont_len);
nl_got = space_avail + 1;
opos += 2;
ipos--;
continue;
}
char c = input[ipos];
if ((c == '|') || (c == ' ') || (c == '\n')) {
if (opos + wrap_cont_len >= STRING_LENGTH_WRAPPED) {
opos = STRING_LENGTH_WRAPPED - 1;
break;
}
memcpy(output + opos, wrap_cont_str, wrap_cont_len);
nl_got = opos;
opos += wrap_cont_len;
}
output[opos++] = input[ipos];
if (opos >= STRING_LENGTH_WRAPPED) {
opos = STRING_LENGTH_WRAPPED - 1;
break;
}
continue;
}
if (opos >= STRING_LENGTH_WRAPPED) {
opos = STRING_LENGTH_WRAPPED - 1;
}
output[opos] = 0;
}
static int count_lines(char *string)
{
size_t i, len = strlen(string);
int count = 1;
for (i = 0; i < len; i++) {
if (string[i] == '\n') {
count++;
}
}
return count;
}
static char *appender(char *str, const char c)
{
size_t len = strlen(str);
if (len < STRING_LENGTH) {
str[len + 1] = str[len];
str[len] = c;
}
return str;
}
static void do_refresh(void)
{
int count = 0;
char wrap_output[STRING_LENGTH_WRAPPED];
int i;
for (i = 0; i < HISTORY; i++) {
if (flag[i]) {
wrap_bars(wrap_output, lines[i], x);
} else {
wrap(wrap_output, lines[i], x);
}
int L = count_lines(wrap_output);
count = count + L;
if (count < y) {
move(y - 1 - count, 0);
printw("%s", wrap_output);
clrtoeol();
}
}
move(y - 1, 0);
clrtoeol();
printw(">> ");
printw("%s", input_line);
clrtoeol();
refresh();
}
static void print_request(Tox *m, const uint8_t *public_key, const uint8_t *data, size_t length, void *userdata)
{
new_lines("[i] received friend request with message:");
new_lines((const char *)data);
char numchar[100];
sprintf(numchar, "[i] accept request with /a %u", num_requests);
new_lines(numchar);
memcpy(pending_requests[num_requests].id, public_key, TOX_PUBLIC_KEY_SIZE);
pending_requests[num_requests].accepted = 0;
++num_requests;
do_refresh();
}
static void print_message(Tox *m, uint32_t friendnumber, TOX_MESSAGE_TYPE type, const uint8_t *string, size_t length,
void *userdata)
{
/* ensure null termination */
uint8_t null_string[length + 1];
memcpy(null_string, string, length);
null_string[length] = 0;
print_formatted_message(m, (char *)null_string, friendnumber, 0);
}
static void print_nickchange(Tox *m, uint32_t friendnumber, const uint8_t *string, size_t length, void *userdata)
{
char name[TOX_MAX_NAME_LENGTH + 1];
if (getfriendname_terminated(m, friendnumber, name) != -1) {
char msg[100 + length];
if (name[0] != 0) {
sprintf(msg, "[i] [%d] %s is now known as %s.", friendnumber, name, string);
} else {
sprintf(msg, "[i] [%d] Friend's name is %s.", friendnumber, string);
}
new_lines(msg);
}
}
static void print_statuschange(Tox *m, uint32_t friendnumber, const uint8_t *string, size_t length, void *userdata)
{
char name[TOX_MAX_NAME_LENGTH + 1];
if (getfriendname_terminated(m, friendnumber, name) != -1) {
char msg[100 + length + strlen(name) + 1];
if (name[0] != 0) {
sprintf(msg, "[i] [%d] %s's status changed to %s.", friendnumber, name, string);
} else {
sprintf(msg, "[i] [%d] Their status changed to %s.", friendnumber, string);
}
new_lines(msg);
}
}
static const char *data_file_name = NULL;
static Tox *load_data(void)
{
FILE *data_file = fopen(data_file_name, "r");
if (data_file) {
fseek(data_file, 0, SEEK_END);
size_t size = ftell(data_file);
rewind(data_file);
uint8_t data[size];
if (fread(data, sizeof(uint8_t), size, data_file) != size) {
fputs("[!] could not read data file!\n", stderr);
fclose(data_file);
return 0;
}
struct Tox_Options options;
tox_options_default(&options);
options.savedata_type = TOX_SAVEDATA_TYPE_TOX_SAVE;
options.savedata_data = data;
options.savedata_length = size;
Tox *m = tox_new(&options, NULL);
if (fclose(data_file) < 0) {
perror("[!] fclose failed");
/* we got it open and the expected data read... let it be ok */
/* return 0; */
}
return m;
}