Hi Denis, You can use the unit test code for reference, but something like this should work (not tested).
int buffer_length = 1024; char buffer[1024]; zoo_get (handle, "/path", 0, buffer, &buffer_length, NULL); http://svn.apache.org/viewvc/zookeeper/trunk/src/c/tests/TestClient.cc?view=markup On Mon, Jun 9, 2014 at 8:55 PM, Denis Samoilov <[email protected]> wrote: > hello, > > I am sorry for the very n00b question. But I read whole documentation, did > search for the archives but still do not understand how to get full data > from ZK using C binding zoo_get. > > I expect that > *buffer_len* is the size of the buffer > <http://zookeeper.sourcearchive.com/documentation/3.2.2plus-pdfsg3-2/structbuffer.html> > pointed to by the buffer > <http://zookeeper.sourcearchive.com/documentation/3.2.2plus-pdfsg3-2/structbuffer.html> > parameter. It'll be set to the actual data length upon return. If the data > is NULL, length is -1. > > will return me actual data size but it did not. So if I send buffer with > size 1 for the data size 3 it returns me 1 in buffer_len :( (i expect 3 to > allocate new buffer of size 3) > > It seem I miss something simple but cannot figure out what. > > Thank you, > Denis
