GRASS GIS 7 Programmer's Manual  7.5.svn(2017)-r71790
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c_update.c
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1 /*!
2  * \file db/dbmi_client/c_update.c
3  *
4  * \brief DBMI Library (client) - update statemets
5  *
6  * (C) 1999-2008 by the GRASS Development Team
7  *
8  * This program is free software under the GNU General Public
9  * License (>=v2). Read the file COPYING that comes with GRASS
10  * for details.
11  *
12  * \author Joel Jones (CERL/UIUC), Radim Blazek
13  */
14 
15 #include <grass/dbmi.h>
16 #include "macros.h"
17 
18 /*!
19  \brief ?
20 
21  \param cursor db cursor
22 
23  \return DB_OK on success
24  \return DB_FAILED on failure
25 */
26 int db_update(dbCursor * cursor)
27 {
28  int ret_code;
29 
30  /* start the procedure call */
31  db__set_protocol_fds(cursor->driver->send, cursor->driver->recv);
33 
34  /* send the argument(s) to the procedure */
35  DB_SEND_TOKEN(&cursor->token);
36  DB_SEND_TABLE_DATA(cursor->table);
37 
38  /* get the return code for the procedure call */
39  DB_RECV_RETURN_CODE(&ret_code);
40 
41  if (ret_code != DB_OK)
42  return ret_code; /* ret_code SHOULD == DB_FAILED */
43 
44  /* no results */
45  return DB_OK;
46 }
#define DB_SEND_TABLE_DATA(x)
Definition: macros.h:67
int db_update(dbCursor *cursor)
?
Definition: c_update.c:26
dbDriver * driver
Definition: dbmi.h:233
#define DB_START_PROCEDURE_CALL(x)
Definition: macros.h:2
#define DB_RECV_RETURN_CODE(x)
Definition: macros.h:4
dbToken token
Definition: dbmi.h:232
#define DB_PROC_UPDATE
Definition: dbmi.h:44
void db__set_protocol_fds(FILE *send, FILE *recv)
?
FILE * recv
Definition: dbmi.h:171
#define DB_SEND_TOKEN(x)
Definition: macros.h:97
FILE * send
Definition: dbmi.h:171
dbTable * table
Definition: dbmi.h:234
#define DB_OK
Definition: dbmi.h:71