Re: [Cppcms-users] HTTP response and binary stream (libharu)

[Joerg S. <jo...@br...>]

On Fri, Sep 18, 2015 at 07:22:16PM +0000, Artyom Beilis wrote:
> Several points:
> (a) You misunderstand meaning of "raw" output - "raw" means you are sending CGI output including headers etc on your own and CppCMS does not interfere with it. There only very-very specific cases you may actually need this - bottom line you don't need it.(b) std::ostream is just a character or more correctly octet stream, std::string is a container that keeps bytes/"C chars"/octets in it in string friendly way. You can put any binary data to it. 
> Now in your case the problem is there"
> app()->response().out() << buf << std::flush; or 
> cppcms_buf << buf
> 
> Why? std::ostream assumes that buf is NUL terminated string so it would stop on NUL, and this what corrupts the stream.You need to use std::ostream::write, i.e.
> out().write(buf,siz)

Depends on the type of buf. If it is a std::string, it should work fine?
That said, I have no idea what overloading the other library provides.

Joerg