Function isValidHostName [src]

Prototype

pub fn isValidHostName(hostname: []const u8) bool

Parameters

hostname: []const u8

Source

  pub fn isValidHostName(hostname: []const u8) bool {
    if (hostname.len >= 254) return false;
    if (!std.unicode.utf8ValidateSlice(hostname)) return false;
    for (hostname) |byte| {
        if (!std.ascii.isAscii(byte) or byte == '.' or byte == '-' or std.ascii.isAlphanumeric(byte)) {
            continue;
        }
        return false;
    }
    return true;
}  