GRASS GIS 7 Programmer's Manual  7.5.svn(2017)-r71759
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d_openinsert.c
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1 /*!
2  * \file db/dbmi_driver/d_openinsert.c
3  *
4  * \brief DBMI Library (driver) - open insert cursor
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 #include "dbstubs.h"
18 
19 /*!
20  \brief Open insert cursor
21 
22  \return DB_OK on success
23  \return DB_FAILED on failure
24  */
26 {
27  dbCursor *cursor;
28  dbTable *table;
29  int stat;
30  dbToken token;
31 
32  /* get the arg(s) */
34 
35  /* create a cursor */
36  cursor = (dbCursor *) db_malloc(sizeof(dbCursor));
37  if (cursor == NULL)
38  return db_get_error_code();
39  token = db_new_token((dbAddress) cursor);
40  if (token < 0)
41  return db_get_error_code();
42  db_init_cursor(cursor);
43  db_set_cursor_table(cursor, table);
44 
45  /* call the procedure */
46  stat = db_driver_open_insert_cursor(cursor);
47 
48  /* send the return code */
49  if (stat != DB_OK) {
51  return DB_OK;
52  }
54 
55  /* mark this as an insert cursor */
57 
58  /* add this cursor to the cursors managed by the driver state */
60 
61  /* results */
62  DB_SEND_TOKEN(&token);
63  DB_SEND_INT(cursor->type);
64  DB_SEND_INT(cursor->mode);
65  return DB_OK;
66 }
void db__add_cursor_to_driver_state(dbCursor *cursor)
Add cursor do driver state.
Definition: driver_state.c:79
int db_d_open_insert_cursor(void)
Open insert cursor.
Definition: d_openinsert.c:25
void * db_malloc(int n)
Allocate memory.
#define DB_SEND_INT(x)
Definition: macros.h:37
int(* db_driver_open_insert_cursor)(dbCursor *)
int dbToken
Definition: dbmi.h:145
#define NULL
Definition: ccmath.h:32
void db_init_cursor(dbCursor *cursor)
Initialize dbCursor.
Definition: cursor.c:23
void db_set_cursor_type_insert(dbCursor *cursor)
Set cursor to be writable (insert)
Definition: cursor.c:131
void * dbAddress
Definition: dbmi.h:144
int db_get_error_code(void)
Get error code.
dbToken db_new_token(dbAddress address)
Add new token.
#define DB_SEND_FAILURE()
Definition: macros.h:9
#define DB_RECV_TABLE_DEFINITION(x)
Definition: macros.h:64
#define DB_SEND_TOKEN(x)
Definition: macros.h:97
void db_set_cursor_table(dbCursor *cursor, dbTable *table)
Set table for given cursor.
Definition: cursor.c:78
#define DB_SEND_SUCCESS()
Definition: macros.h:7
#define DB_OK
Definition: dbmi.h:71