##### basic_stream_file::resize (2 of 2 overloads)

Inherited from basic_file.

Alter the size of the file.

    void resize(
        uint64_t n,
        asio::error_code & ec);

This function resizes the file to the specified size, in bytes. If the current file size exceeds `n` then any extra data is discarded. If the current size is less than `n` then the file is extended and filled with zeroes.

###### Parameters

n

  The new size for the file.

ec

  Set to indicate what error occurred, if any.