ByteSize() definitely returns the right value -- if it didn't, tons of stuff
would be broken.  Can you provide a complete example program that
demonstrates your problem?
On Wed, Oct 7, 2009 at 4:01 PM, Brenden Matthews <bren...@diddyinc.com>wrote:

>
> The value returned by Message::ByteSize() does not match the actually
> number of bytes that are consumed after writing a message to a
> stream.  Example:
>
>    some_message m;
>    /* ... populate m ... */
>    size_t len = m.ByteSize();
>    int pos = boost::iostreams::position_to_offset(stream.tellp()); /*
> save the current position of the stream */
>    m.SerializeToOstream(&stream);
>
>    /* and now this assert will fail */
>    assert(pos + len == boost::iostreams::position_to_offset
> (stream.tellp());
>
> Maybe I'm missing something here, but shouldn't the value returned by
> ByteSize() be the same as the actual number of bytes written to the
> stream?
> >
>

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