[zeromq-dev] ZMQ appends weird characters to message

[gonzalo diethelm]

No, this is not a (known) limitation. Did you print exactly what you are sending and what you are receiving? My guess is you are putting a null byte in the middle of what you are sending.

-- 
Gonzalo Diethelm
DCV Chile

> -----Original Message-----
> From: zeromq-dev-bounces at lists.zeromq.org [mailto:zeromq-dev-
> bounces at lists.zeromq.org] On Behalf Of Dávid Kaya
> Sent: Monday, September 15, 2014 12:21 PM
> To: zeromq-dev at lists.zeromq.org
> Subject: Re: [zeromq-dev] ZMQ appends weird characters to message
> 
> Well, I've printed out size and it is correct. I've also shortened the message
> by 5 characters and it stopped cutting off the last characters (atleast I think it
> stopped, tried 15 times and it came correct every time). So I think the
> problem was in the length of the message. I don't know if it is a bug in ZMQ
> or system limitation of socket files?
> 
> David
> 
> 
> On 15.09.2014 16:47, gonzalo diethelm wrote:
> > Good point. Forgot about the specific details for that C++
> > constructor. The null byte should not be required.
> >
> > As Tom points out, you should print out what you are sending and
> > receiving (contents and length) and make sure it makes sense.
> >
> > HTH.
> >
> > --
> > Gonzalo Diethelm
> > DCV Chile
> >
> >> -----Original Message-----
> >> From: zeromq-dev-bounces at lists.zeromq.org [mailto:zeromq-dev-
> >> bounces at lists.zeromq.org] On Behalf Of Tom Quarendon
> >> Sent: Monday, September 15, 2014 11:42 AM
> >> To: ZeroMQ development list
> >> Subject: Re: [zeromq-dev] ZMQ appends weird characters to message
> >>
> >> > You have two choices:
> >> > 1. Send the '\0' as part of the message (and set length to one
> >> more byte).
> >> > 2. Append a '\0' after receiving the message.
> >>
> >> Uh, why?
> >> string(static_cast<char*>(reply.data()),reply.size());
> >> doesn't assume the string is null terminated. It constructs string
> >> from pointer and length. Isn't adding a in a null just going mask the
> >> real issue and make it look like the std::string only contained
> >> "login" when really it still contained the extra stuff as well.
> >> David, Do you know what reply.size() actually contains? Have you
> >> tried printing that out and comparing it to what you expect?
> >>
> >> _______________________________________________
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> >
> >
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Disclosure: This Message is to be used by the individual,
individuals or entities that it is addressed to and may include
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information in this electronic mail message may be subject to the
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