static bool del_net(
Networks& networks, int nn) {
wwiv::sdk::Subs subs(syscfg.datadir, networks.networks());
if (!subs.Load()) {
return false;
}
if (subs.subs().empty()) {
return false;
}
// TODO(rushfan): Ensure that no subs are using it.
for (size_t i = 0; i < subs.subs().size(); i++) {
size_t i2;
for (i2 = 0; i2 < i; i2++) {
if (subs.sub(i).filename == subs.sub(i2).filename) {
break;
}
}
if (i2 >= i) {
iscan1(i, subs);
open_sub(true);
for (int i1 = 1; i1 <= GetNumMessagesInCurrentMessageArea(); i1++) {
postrec* p = get_post(i1);
if (p->status & status_post_new_net) {
if (p->network.network_msg.net_number == nn) {
p->network.network_msg.net_number = static_cast<uint8_t>('\xff');
write_post(i1, p);
} else if (p->network.network_msg.net_number > nn) {
p->network.network_msg.net_number--;
write_post(i1, p);
}
}
}
close_sub();
}
}
// Now we update the email.
File emailfile(syscfg.datadir, EMAIL_DAT);
if (emailfile.Open(File::modeBinary|File::modeReadWrite)) {
auto t = emailfile.GetLength() / sizeof(mailrec);
for (size_t r = 0; r < t; r++) {
mailrec m = {};
emailfile.Seek(r * sizeof(mailrec), File::Whence::begin);
emailfile.Read(&m, sizeof(mailrec));
if (((m.tosys != 0) || (m.touser != 0)) && m.fromsys) {
if (strlen(m.title) >= WWIV_MESSAGE_TITLE_LENGTH) {
// always trim to WWIV_MESSAGE_TITLE_LENGTH now.
m.title[WWIV_MESSAGE_TITLE_LENGTH] = 0;
}
m.status |= status_new_net;
if (m.status & status_source_verified) {
if (m.network.src_verified_msg.net_number == nn) {
m.network.src_verified_msg.net_number = static_cast<uint8_t>('\xff');
} else if (m.network.src_verified_msg.net_number > nn) {
m.network.src_verified_msg.net_number--;
}
} else {
if (m.network.network_msg.net_number == nn) {
m.network.network_msg.net_number = static_cast<uint8_t>('\xff');
} else if (m.network.network_msg.net_number > nn) {
m.network.network_msg.net_number--;
}
}
emailfile.Seek(r * sizeof(mailrec), File::Whence::begin);
emailfile.Write(&m, sizeof(mailrec));
}
}
}
// Update the user
unique_ptr<char[]> u(new char[syscfg.userreclen]);
read_user(1, reinterpret_cast<userrec*>(u.get()));
int nu = number_userrecs();
for (int i = 1; i <= nu; i++) {
read_user(i, reinterpret_cast<userrec*>(u.get()));
if (UINT(u.get(), syscfg.fsoffset)) {
if (UCHAR(u.get(), syscfg.fnoffset) == nn) {
UINT(u.get(), syscfg.fsoffset) = UINT(u.get(), syscfg.fuoffset) = UCHAR(u.get(), syscfg.fnoffset) = 0;
write_user(i, reinterpret_cast<userrec*>(u.get()));
} else if (UCHAR(u.get(), syscfg.fnoffset) > nn) {
UCHAR(u.get(), syscfg.fnoffset)--;
write_user(i, reinterpret_cast<userrec*>(u.get()));
}
}
}
// Finally delete it from networks.dat
networks.erase(nn);
return networks.Save();
}
