mirror of
https://github.com/Tha14/toxic.git
synced 2024-11-14 23:03:02 +01:00
8687a54a87
Moves static state out of Messenger.c and into a Messenger struct Purely stylistic, no functional changes were made. This commit also changed all the callers of Messenger as they now have to pass an instance of the Messenger struct to messenger functions. Also removed some uses of the 'static' keyword at the beginning of function definitions when the function was already declared static, as these caused gcc to whine.
483 lines
10 KiB
C
483 lines
10 KiB
C
/*
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* Toxic -- Tox Curses Client
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*/
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#include <curses.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef _win32
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#include <direct.h>
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#else
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#include <sys/stat.h>
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#include <sys/types.h>
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#endif
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#include "../../core/Messenger.h"
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#include "../../core/network.h"
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#include "configdir.h"
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#include "windows.h"
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extern ToxWindow new_prompt();
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extern ToxWindow new_friendlist();
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extern int friendlist_onFriendAdded(Messenger *m, int num);
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extern void disable_chatwin(int f_num);
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extern int add_req(uint8_t *public_key); // XXX
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extern unsigned char *hex_string_to_bin(char hex_string[]);
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/* Holds status of chat windows */
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char WINDOW_STATUS[MAX_WINDOW_SLOTS];
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#ifndef TOXICVER
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#define TOXICVER "NOVER" //Use the -D flag to set this
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#endif
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static ToxWindow windows[MAX_WINDOW_SLOTS];
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static ToxWindow* prompt;
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static Messenger *m;
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int w_num;
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int active_window;
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/* CALLBACKS START */
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void on_request(uint8_t *public_key, uint8_t *data, uint16_t length)
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{
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int n = add_req(public_key);
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wprintw(prompt->window, "\nFriend request from:\n");
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int i;
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for (i = 0; i < KEY_SIZE_BYTES; ++i) {
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wprintw(prompt->window, "%02x", public_key[i] & 0xff);
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}
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wprintw(prompt->window, "\nWith the message: %s\n", data);
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wprintw(prompt->window, "\nUse \"accept %d\" to accept it.\n", n);
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for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
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if (windows[i].onFriendRequest != NULL)
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windows[i].onFriendRequest(&windows[i], public_key, data, length);
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}
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}
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void on_message(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
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{
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int i;
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for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
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if (windows[i].onMessage != NULL)
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windows[i].onMessage(&windows[i], m, friendnumber, string, length);
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}
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}
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void on_action(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
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{
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int i;
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for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
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if (windows[i].onAction != NULL)
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windows[i].onAction(&windows[i], m, friendnumber, string, length);
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}
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}
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void on_nickchange(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
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{
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wprintw(prompt->window, "\n(nickchange) %d: %s\n", friendnumber, string);
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int i;
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for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
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if (windows[i].onNickChange != NULL)
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windows[i].onNickChange(&windows[i], friendnumber, string, length);
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}
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}
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void on_statuschange(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
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{
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wprintw(prompt->window, "\n(statuschange) %d: %s\n", friendnumber, string);
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int i;
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for (i=0; i<MAX_WINDOW_SLOTS; ++i) {
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if (windows[i].onStatusChange != NULL)
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windows[i].onStatusChange(&windows[i], friendnumber, string, length);
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}
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}
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void on_friendadded(int friendnumber)
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{
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friendlist_onFriendAdded(m, friendnumber);
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}
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/* CALLBACKS END */
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static void init_term()
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{
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/* Setup terminal */
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initscr();
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cbreak();
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keypad(stdscr, 1);
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noecho();
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timeout(100);
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if (has_colors()) {
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start_color();
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init_pair(1, COLOR_GREEN, COLOR_BLACK);
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init_pair(2, COLOR_CYAN, COLOR_BLACK);
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init_pair(3, COLOR_RED, COLOR_BLACK);
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init_pair(4, COLOR_BLUE, COLOR_BLACK);
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}
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refresh();
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}
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static void init_tox()
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{
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/* Init core */
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m = initMessenger();
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/* Callbacks */
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m_callback_friendrequest(m, on_request);
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m_callback_friendmessage(m, on_message);
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m_callback_namechange(m, on_nickchange);
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m_callback_statusmessage(m, on_statuschange);
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m_callback_action(m, on_action);
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}
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#define MAXLINE 90 /* Approx max number of chars in a sever line (IP + port + key) */
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#define MINLINE 70
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#define MAXSERVERS 50
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/* Connects to a random DHT server listed in the DHTservers file */
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int init_connection(void)
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{
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if (DHT_isconnected())
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return 0;
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FILE *fp = fopen("../../../other/DHTservers", "r");
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if (!fp)
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return 1;
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char servers[MAXSERVERS][MAXLINE];
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char line[MAXLINE];
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int linecnt = 0;
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while (fgets(line, sizeof(line), fp) && linecnt < MAXSERVERS) {
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int len = strlen(line);
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if (len > MINLINE && len < MAXLINE)
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strcpy(servers[linecnt++], line);
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}
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if (linecnt < 1) {
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fclose(fp);
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return 2;
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}
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fclose(fp);
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char *server = servers[rand() % linecnt];
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char *ip = strtok(server, " ");
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char *port = strtok(NULL, " ");
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char *key = strtok(NULL, " ");
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if (!ip || !port || !key)
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return 3;
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IP_Port dht;
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dht.port = htons(atoi(port));
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uint32_t resolved_address = resolve_addr(ip);
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if (resolved_address == 0)
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return 4;
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dht.ip.i = resolved_address;
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unsigned char *binary_string = hex_string_to_bin(key);
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DHT_bootstrap(dht, binary_string);
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free(binary_string);
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return 0;
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}
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void init_window_status()
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{
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/* Default window values decrement from -2 */
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int i;
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for (i = 0; i < N_DEFAULT_WINS; ++i)
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WINDOW_STATUS[i] = -(i+2);
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int j;
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for (j = N_DEFAULT_WINS; j < MAX_WINDOW_SLOTS; j++)
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WINDOW_STATUS[j] = -1;
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}
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int add_window(ToxWindow w, int n)
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{
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if (w_num >= TOXWINDOWS_MAX_NUM)
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return -1;
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if (LINES < 2)
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return -1;
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w.window = newwin(LINES - 2, COLS, 0, 0);
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if (w.window == NULL)
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return -1;
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windows[n] = w;
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w.onInit(&w, m);
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w_num++;
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return n;
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}
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/* Deletes window w and cleans up */
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void del_window(ToxWindow *w, int f_num)
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{
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delwin(w->window);
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int i;
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for (i = N_DEFAULT_WINS; i < MAX_WINDOW_SLOTS; ++i) {
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if (WINDOW_STATUS[i] == f_num) {
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WINDOW_STATUS[i] = -1;
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disable_chatwin(f_num);
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break;
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}
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}
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clear();
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refresh();
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}
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static void init_windows()
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{
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w_num = 0;
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int n_prompt = 0;
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int n_friendslist = 1;
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if (add_window(new_prompt(), n_prompt) == -1
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|| add_window(new_friendlist(), n_friendslist) == -1) {
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fprintf(stderr, "add_window() failed.\n");
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endwin();
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exit(1);
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}
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prompt = &windows[n_prompt];
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}
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static void do_tox()
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{
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static bool dht_on = false;
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if (!dht_on && DHT_isconnected()) {
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dht_on = true;
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wprintw(prompt->window, "\nDHT connected.\n");
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}
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else if (dht_on && !DHT_isconnected()) {
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dht_on = false;
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wprintw(prompt->window, "\nDHT disconnected.\n");
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}
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doMessenger(m);
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}
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static void load_data(char *path)
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{
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FILE *fd;
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size_t len;
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uint8_t *buf;
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if ((fd = fopen(path, "r")) != NULL) {
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fseek(fd, 0, SEEK_END);
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len = ftell(fd);
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fseek(fd, 0, SEEK_SET);
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buf = malloc(len);
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if (buf == NULL) {
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fprintf(stderr, "malloc() failed.\n");
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fclose(fd);
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endwin();
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exit(1);
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}
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if (fread(buf, len, 1, fd) != 1){
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fprintf(stderr, "fread() failed.\n");
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free(buf);
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fclose(fd);
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endwin();
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exit(1);
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}
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Messenger_load(m, buf, len);
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}
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else {
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len = Messenger_size(m);
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buf = malloc(len);
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if (buf == NULL) {
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fprintf(stderr, "malloc() failed.\n");
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endwin();
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exit(1);
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}
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Messenger_save(m, buf);
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fd = fopen(path, "w");
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if (fd == NULL) {
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fprintf(stderr, "fopen() failed.\n");
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free(buf);
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endwin();
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exit(1);
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}
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if (fwrite(buf, len, 1, fd) != 1){
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fprintf(stderr, "fwrite() failed.\n");
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free(buf);
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fclose(fd);
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endwin();
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exit(1);
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}
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}
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free(buf);
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fclose(fd);
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}
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static void draw_bar()
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{
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static int odd = 0;
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int blinkrate = 30;
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attron(COLOR_PAIR(4));
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mvhline(LINES - 2, 0, '_', COLS);
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attroff(COLOR_PAIR(4));
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move(LINES - 1, 0);
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attron(COLOR_PAIR(4) | A_BOLD);
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printw(" TOXIC " TOXICVER "|");
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attroff(COLOR_PAIR(4) | A_BOLD);
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int i;
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for (i = 0; i < (MAX_WINDOW_SLOTS); ++i) {
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if (WINDOW_STATUS[i] != -1) {
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if (i == active_window)
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attron(A_BOLD);
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odd = (odd+1) % blinkrate;
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if (windows[i].blink && (odd < (blinkrate/2)))
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attron(COLOR_PAIR(3));
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printw(" %s", windows[i].title);
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if (windows[i].blink && (odd < (blinkrate/2)))
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attroff(COLOR_PAIR(3));
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if (i == active_window) {
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attroff(A_BOLD);
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}
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}
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}
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refresh();
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}
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void prepare_window(WINDOW *w)
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{
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mvwin(w, 0, 0);
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wresize(w, LINES-2, COLS);
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}
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/* Shows next window when tab or back-tab is pressed */
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void set_active_window(int ch)
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{
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int f_inf = 0;
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int max = MAX_WINDOW_SLOTS-1;
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if (ch == '\t') {
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int i = (active_window + 1) % max;
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while (true) {
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if (WINDOW_STATUS[i] != -1) {
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active_window = i;
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return;
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}
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i = (i + 1) % max;
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if (f_inf++ > max) { // infinite loop check
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endwin();
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exit(2);
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}
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}
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}else {
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int i = active_window - 1;
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if (i < 0) i = max;
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while (true) {
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if (WINDOW_STATUS[i] != -1) {
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active_window = i;
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return;
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}
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if (--i < 0) i = max;
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if (f_inf++ > max) {
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endwin();
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exit(2);
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}
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}
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}
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}
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int main(int argc, char *argv[])
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{
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int ch;
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ToxWindow* a;
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char *user_config_dir = get_user_config_dir();
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char *DATA_FILE;
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int config_err = create_user_config_dir(user_config_dir);
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if(config_err) {
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DATA_FILE = "data";
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} else {
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DATA_FILE = malloc(strlen(user_config_dir) + strlen(CONFIGDIR) + strlen("data") + 1);
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strcpy(DATA_FILE, user_config_dir);
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strcat(DATA_FILE, CONFIGDIR);
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strcat(DATA_FILE, "data");
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}
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free(user_config_dir);
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/* This is broken */
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int f_loadfromfile = 1;
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int f_flag = 0;
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int i = 0;
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for (i = 0; i < argc; ++i) {
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if (argv[i] == NULL)
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break;
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else if (argv[i][0] == '-') {
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if (argv[i][1] == 'f') {
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if (argv[i + 1] != NULL)
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DATA_FILE = argv[i + 1];
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else
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f_flag = -1;
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} else if (argv[i][1] == 'n') {
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f_loadfromfile = 0;
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}
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}
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}
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init_term();
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init_tox();
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init_windows();
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init_window_status();
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if(f_loadfromfile)
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load_data(DATA_FILE);
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free(DATA_FILE);
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int connected = init_connection();
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if (connected != 0)
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wprintw(prompt->window, "Auto-connect failed (error code %d)\n", connected);
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if (f_flag == -1) {
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attron(COLOR_PAIR(3) | A_BOLD);
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wprintw(prompt->window, "You passed '-f' without giving an argument.\n"
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"defaulting to 'data' for a keyfile...\n");
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attroff(COLOR_PAIR(3) | A_BOLD);
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}
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if(config_err) {
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attron(COLOR_PAIR(3) | A_BOLD);
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wprintw(prompt->window, "Unable to determine configuration directory.\n"
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"defaulting to 'data' for a keyfile...\n");
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attroff(COLOR_PAIR(3) | A_BOLD);
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}
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while(true) {
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/* Update tox */
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do_tox();
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/* Draw */
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a = &windows[active_window];
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prepare_window(a->window);
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a->blink = false;
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draw_bar();
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a->onDraw(a);
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/* Handle input */
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ch = getch();
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if (ch == '\t' || ch == KEY_BTAB)
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set_active_window(ch);
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else if (ch != ERR)
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a->onKey(a, m, ch);
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}
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cleanupMessenger(m);
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return 0;
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}
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