static void
panic(const char *m)
{
treset();
fprintf(stderr, "Panic: %s\n", m);
exit(1);
}
void tcont(void)
{
tsignal();
treset(g_old_term, 1);
tresize(0, 0);
free(g_old_term);
g_old_term = NULL;
}
void sigctrlc(int signum)
{
if (signum == SIGINT)
{
reinit();
treset(datast());
}
exit(-1);
}
int error(int quit, char *msg, t_data *data)
{
write(2, msg, ft_strlen(msg));
if (data)
treset(data);
if (quit)
exit(-1);
return (-1);
}
void sigsegv(int signum)
{
if (signum == SIGSEGV)
{
reinit();
treset(datast());
write(2, "Unauthorized action\n", 20);
}
exit(-1);
}
static int exit_handler(void)
{
show_line(1);
treset(data());
return (EXIT);
}
int
main(int argc, char *argv[])
{
const char *user = getenv("USER");
const char *ircnick = getenv("IRCNICK");
const char *server = SRV;
unsigned short port = PORT;
int o;
while ((o=getopt(argc, argv, "hn:u:s:p:"))>=0)
switch (o) {
case 'h':
case '?':
usage:
fputs("Usage: irc [-n NICK] [-u USER] [-s SERVER] [-p PORT] [-h]\n", stderr);
exit(0);
case 'n':
if (strlen(optarg)>=sizeof nick) goto usage;
strcpy(nick, optarg);
break;
case 'u':
user = optarg;
break;
case 's':
server = optarg;
break;
case 'p':
if (!(port=strtol(optarg, 0, 0))) goto usage;
break;
}
if (!nick[0] && ircnick && strlen(ircnick)<sizeof nick)
strcpy(nick, ircnick);
if (!nick[0]) goto usage;
if (!user) user = "******";
tinit();
sfd = dial(server, port);
chadd("*server*");
sndf("NICK %s", nick);
sndf("USER %s 8 * :%s", user, user);
sndf("MODE %s +i", nick);
while (!quit) {
fd_set rfs, wfs;
int ret;
if (winchg)
tresize();
FD_ZERO(&wfs);
FD_ZERO(&rfs);
FD_SET(0, &rfs);
FD_SET(sfd, &rfs);
if (outp!=outb)
FD_SET(sfd, &wfs);
ret=select(sfd+1, &rfs, &wfs, 0, 0);
if (ret<0) {
if (errno==EINTR) continue;
panic("Select failed.");
}
if (FD_ISSET(sfd, &rfs)) {
if (!srd())
quit=1;
}
if (FD_ISSET(sfd, &wfs)) {
int wr;
wr=write(sfd, outb, outp-outb);
if (wr<0) {
if (errno==EINTR) continue;
panic("Write error.");
}
if (wr==0) continue;
outp-=wr;
memmove(outb, outb+wr, outp-outb);
}
if (FD_ISSET(0, &rfs)) {
tgetch();
wrefresh(scr.iw);
}
}
close(sfd);
while (nch--)
free(chl[nch].buf);
treset();
exit(0);
}
