GRASS GIS 7 Programmer's Manual  7.5.svn(2018)-r72846
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d_close_cur.c
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1 /*!
2  * \file db/dbmi_driver/d_close_cur.c
3  *
4  * \brief DBMI Library (driver) - close 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 <stdlib.h>
16 #include <grass/dbmi.h>
17 #include "macros.h"
18 #include "dbstubs.h"
19 
20 /*!
21  \brief Close cursor
22 
23  \return DB_OK on success
24  \return DB_FAILED on failure
25 */
27 {
28  dbCursor *cursor;
29  dbToken token;
30  int stat;
31 
32  /* get the arg(s) */
33  DB_RECV_TOKEN(&token);
34  cursor = (dbCursor *) db_find_token(token);
35  if (cursor == NULL) {
36  db_error("** invalid cursor **");
37  return DB_FAILED;
38  }
39 
40  /* call the procedure */
41  stat = db_driver_close_cursor(cursor);
42 
43  /* get rid of the cursor */
44  db_drop_token(token);
45  db_free_cursor(cursor);
47  db_free(cursor); /* ?? */
48 
49  /* send the return code */
50  if (stat != DB_OK) {
52  return DB_OK;
53  }
55 
56  /* no results */
57  return DB_OK;
58 }
dbAddress db_find_token(dbToken token)
Find token.
int db_d_close_cursor(void)
Close cursor.
Definition: d_close_cur.c:26
int(* db_driver_close_cursor)(dbCursor *)
void db_drop_token(dbToken token)
Drop token.
#define DB_RECV_TOKEN(x)
Definition: macros.h:99
int dbToken
Definition: dbmi.h:145
#define NULL
Definition: ccmath.h:32
#define DB_SEND_FAILURE()
Definition: macros.h:9
void db_free_cursor(dbCursor *cursor)
Free allocated dbCursor.
Definition: cursor.c:51
#define DB_FAILED
Definition: dbmi.h:72
void db__drop_cursor_from_driver_state(dbCursor *cursor)
Drop cursor from driver state.
Definition: driver_state.c:110
#define DB_SEND_SUCCESS()
Definition: macros.h:7
void db_free(void *s)
Free allocated memory.
void db_error(const char *s)
Report error message.
#define DB_OK
Definition: dbmi.h:71