[zeromq-dev] Java to C++: junk appended to message?

Matt Weinstein matt_weinstein at yahoo.com
Tue Aug 31 13:56:07 CEST 2010

On Aug 30, 2010, at 2:02 PM, Pieter Hintjens wrote:

> On Mon, Aug 30, 2010 at 7:29 PM, Naveen Chawla  
> <naveen.chwl at gmail.com> wrote:
>> C++ to C++ works fine. Message is only "[Hello]"
> You're sending five bytes, 'Hello', which is not a valid C string as
> required by the printf function.  Either send six bytes (string plus 0
> byte) or else convert the received message data to a valid string.
> I've wondered if 0MQ should not automatically and always append a null
> byte to received messages (not included in stated message size) so
> that strings can be safely passed between C/C++ and other languages.

adding magic stuff could mangle all sorts of things, this is a  
minority case.

stream.write(msg.data(), msg.size());

seems to be fine, this can be wrapped, and it's trivial to built  
operator<< for it....

> -
> Pieter Hintjens
> iMatix - www.imatix.com
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