static bool verifyPlayerName(void);

static bool validate_player_name(void);

    return (verifyPlayerName());

    return (validate_player_name());

            // Laboriously trim the damn thing.
            std::string read_name = name;
            trim_string(read_name);
            strncpy(name, read_name.c_str(), kNameLen);
            name[kNameLen - 1] = 0;

static bool verifyPlayerName(void)

static bool validate_player_name(void)

    if (stricmp(you.your_name, "con") == 0)

    if (stricmp(you.your_name, "con") == 0
        || stricmp(you.your_name, "nul") == 0)

    const size_t len = strlen( you.your_name );
    for (unsigned int i = 0; i < len; i++)

    for (const char *pn = you.your_name; *pn; ++pn)

        char c = *pn;

        if (!isalnum( you.your_name[i] ) && you.your_name[i] != '_')

        if (!isalnum(c) && c != '-' && c != '.' && c != '_' && c != ' ')

            cprintf( EOL "Alpha-numerics and underscores only, please." EOL );

            cprintf( EOL
                     "Alpha-numerics, spaces, dashes, periods and underscores "
                     "only, please."
                     EOL );

    const size_t len = strlen( you.your_name );

    name = replace_all( name, "_", " " );

    name = replace_all_of( name, "_", " " );

std::string strip_filename_unsafe_chars(const std::string &s);

std::string replace_all(std::string s,
                        const std::string &tofind,
                        const std::string &replacement);

std::string replace_all_of(std::string s,
                           const std::string &tofind,
                           const std::string &replacement);

std::string strip_filename_unsafe_chars(const std::string &s)
{
    return replace_all_of(s, " .", "");
}

std::string replace_all(std::string s,

std::string replace_all_of(std::string s,

        s.replace( found, tofind.length(), replacement );

        s.replace( found, 1, replacement );

std::string get_savedir_filename(const char *pre, const char *suf,
                                 const char *ext, bool suppress_uid = false);

std::string get_savedir_filename(const std::string &pre,
                                 const std::string &suf,
                                 const std::string &ext,
                                 bool suppress_uid = false);

    dir = replace_all(dir, "/", sep);
    dir = replace_all(dir, "\\", sep);

    dir = replace_all_of(dir, "/", sep);
    dir = replace_all_of(dir, "\\", sep);

std::string get_savedir_filename(const char *prefix, const char *suffix, 
                                 const char *extension, bool suppress_uid)

std::string get_savedir_filename(const std::string &prefix,
                                 const std::string &suffix, 
                                 const std::string &extension,
                                 bool suppress_uid)

    result += std::string(prefix).substr(0, kFileNameLen);

    result += strip_filename_unsafe_chars(prefix).substr(0, kFileNameLen);

    if ( *extension ) {

    if (!extension.empty())
    {

    file_name += fname;

    file_name += strip_filename_unsafe_chars(fname);