return value of gnutls_record_check_pending

[Nikos Mavrogiannopoulos]

On Tue, Jun 28, 2011 at 7:59 PM, Michael Cronenworth <mike at cchtml.com> wrote:
> Hi all,
>
> My understanding of the man page for the function
> gnutls_record_check_pending() says that it should return the number of bytes
> waiting to be read, or 0 bytes if nothing is to be read.

The description of the function mentions "in the gnutls buffers". I believe this
clarifies the discrepancy you see in the example below. select()
checks the kernel
buffers.

regards,
Nikos

> example pseudo-code:
> while( 1 ) {
>     ret = select( fd );
>     // ret == 1
>     ret = gnutls_record_check_pending( session );
>     // ret == 0
>     if ( ret == 0 )
>         continue;
>     gnutls_record_recv( session );
> }
>