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xdrprocedure.c
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xdrprocedure.c
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/*!
\file lib/db/dbmi_base/xdrprocedure.c
\brief DBMI Library (base) - external data representation (procedure)
(C) 1999-2009, 2011 by the GRASS Development Team
This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.
\author Joel Jones (CERL/UIUC), Radim Blazek, Brad Douglas, Markus Neteler
\author Doxygenized by Martin Landa <landa.martin gmail.com> (2011)
*/
#include "xdr.h"
#include "macros.h"
/*!
\brief ? (client only)
\param procnum
\return
*/
int db__start_procedure_call(int procnum)
{
int reply;
DB_SEND_INT(procnum);
DB_RECV_INT(&reply);
if (reply != procnum) {
if (reply == 0) {
db_noproc_error(procnum);
}
else {
db_protocol_error();
}
return DB_PROTOCOL_ERR;
}
return DB_OK;
}
/*!
\brief ? (driver only)
\param n
\return DB_OK ok
\return DB_EOF eof from client
*/
int db__recv_procnum(int *n)
{
int stat = DB_OK;
if (!db__recv(n, sizeof(*n)))
stat = DB_EOF;
return stat;
}
/*!
\brief ?
\param n
\return
*/
int db__send_procedure_ok(int n)
{
return db__send_int(n);
}
/*!
\brief ?
\param n
\return
*/
int db__send_procedure_not_implemented(int n)
{
return db__send_int(n ? 0 : -1);
}