Function CreateSingleMissionBank

engine/Poseidon/UI/OptionsUI.cpp:893–938

        snprintf(path, sizeof(path), "%s\\%s", (const char*)dir, c->relPath);
        c->result = path;
        return true;
    }
    return false;
}

RString CreateSingleMissionBank(RString filename)
{
    // suppose filename is without extension (.pbo)

    // Remove the previously created __cur_sp bank(s). Match with CmpStartStr —
    // the same separator- and case-insensitive prefix test AutoBank uses to
    // resolve reads. A plain strnicmp here is separator-sensitive, and
    // SetPrefix() stores the prefix with platform-native separators
    // (backslash -> slash on POSIX): on Linux the literal backslash prefix never
    // matched, so old banks leaked and every template resolved to the first
    // stale __cur_sp bank.
    const char* prefix = "missions\\__cur_sp.";
    for (int i = 0; i < GFileBanks.Size();)
    {
        QFBank& bank = GFileBanks[i];
        if (CmpStartStr(bank.GetPrefix(), prefix) == 0)
        {
            if (GFileServer)
            {
                GFileServer->FlushBank(&bank);
            }
            if (GEngine && GEngine->TextBank())
            {
                GEngine->TextBank()->FlushBank(&bank);
            }
            if (GSoundsys)
            {
                GSoundsys->FlushBank(&bank);
            }
            GFileBanks.Delete(i);
        }
        else
        {
            i++;
        }
    }

    // extract island name
    const char* ext = strrchr(filename, '.');
    if (!ext)
    {
        return "";
    }
    RString island = ext + 1;