// Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
//
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// modification, are permitted provided that the following conditions
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//
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pub use sgx_trts::c_str::*;

use error::Error;
use io;

impl Error for NulError {
    fn description(&self) -> &str { "nul byte found in data" }
}

impl From<NulError> for io::Error {
    fn from(_: NulError) -> io::Error {
        io::Error::new(io::ErrorKind::InvalidInput,
                       "data provided contains a nul byte")
    }
}

impl Error for FromBytesWithNulError {
    fn description(&self) -> &str {
        self.__description()
    }
}

impl Error for IntoStringError {
    fn description(&self) -> &str {
        //"C string contained non-utf8 bytes"
        self.__description()
    }

    fn cause(&self) -> Option<&Error> {
        self.__cause().map(|e| e as &Error)
    }
}