Function test_portable_config

sys/windows/windsys.c:1113–1159

void set_default_prefix_locations(const char *programPath);
boolean
test_portable_config(const char *executable_path, char *portable_device_path,
                     size_t portable_device_path_size)
{
    int lth = 0;
    const char *sysconf = "sysconf";
    char tmppath[MAX_PATH];
    boolean retval = FALSE,
            save_initoptions_noterminate = iflags.initoptions_noterminate;

    if (portable_device_path
        && folder_file_exists(executable_path, "sysconf")) {
        /*
           There is a sysconf file (not just sysconf.template) present in
           the exe path, which is not the way NetHack is initially
           distributed, so assume it means that the admin/installer wants to
           override something, perhaps set up for a fully-portable
           configuration that leaves no traces behind elsewhere on this
           computer's hard drive - delve into that...
         */

        *portable_device_path = '\0';
        lth = sizeof tmppath - strlen(sysconf);
        (void) strncpy(tmppath, executable_path, lth - 1);
        tmppath[lth - 1] = '\0';
        (void) strcat(tmppath, sysconf);

        iflags.initoptions_noterminate = 1;
        /* assure_syscf_file(); */
        config_error_init(TRUE, tmppath, FALSE);
        /* ... and _must_ parse correctly. */
        if (read_config_file(tmppath, set_in_sysconf)
            && sysopt.portable_device_paths)
            retval = TRUE;
        (void) config_error_done();
        iflags.initoptions_noterminate = save_initoptions_noterminate;
        sysopt_release(); /* the real sysconf processing comes later */
    }
    if (retval) {
        lth = strlen(executable_path);
        if (lth <= (int) portable_device_path_size - 1)
            Strcpy(portable_device_path, executable_path);
        else
            retval = FALSE;
    }
    return retval;
}

const char *
get_portable_device(void)