[zeromq-dev] Ruby zmq.send error

[Conrad Steenberg]

Hi Martin,

The RSTRING() macro also checks for zeroes in the string, and throws the
same error.

Attached is a patch that uses StringValuePtr() instead, which works for
me.

Thanks,
Conrad

On Thu, 2009-07-30 at 13:13 +0200, Martin Sustrik wrote:
> Hi Conrad,
> 
> > I'm trying to send a message using the ruby binding with
> > zmq.send(@eid, msg, msg.length, ZMQ_TRUE)
> > 
> > and get the following:
> > test.rb:76:in `send': string contains null byte (ArgumentError)
> > 
> > In my mind that's a bug :-)
> > 
> >>From librbzmq.cpp:142:
> > memcpy (msg.data (), (void*) StringValueCStr (data_),
> >         (size_t) NUM2ULL (size_));
> > 
> > Is there an alternative to StringValueCStr(data_) to create the data for
> > the message?
> 
> What about something like this:
> 
>      zmq::message_t msg ((size_t) RSTRING (data_)->len);
>      memcpy (msg.data (), (void*) RSTRING (data_)->ptr,
>      	RSTRING (data_)->len);
> 
> (Actually, thinking about it, it seems that size_ argument of send 
> function is not needed at all.)
> 
> Would that work for you?
> 
> Martin
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