GRASS Programmer's Manual  6.4.3(2013)-r
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d_openselect.c
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1 
15 #include <stdlib.h>
16 #include <grass/dbmi.h>
17 #include "macros.h"
18 #include "dbstubs.h"
19 
27 {
28  dbCursor *cursor;
29  int stat;
30  dbToken token;
31  dbString select;
32  int mode;
33 
34  /* get the arg(s) */
35  db_init_string(&select);
36  DB_RECV_STRING(&select);
37  DB_RECV_INT(&mode);
38 
39  /* create a cursor */
40  cursor = (dbCursor *) db_malloc(sizeof(dbCursor));
41  if (cursor == NULL)
42  return db_get_error_code();
43  token = db_new_token((dbAddress) cursor);
44  if (token < 0)
45  return db_get_error_code();
46  db_init_cursor(cursor);
47 
48  /* call the procedure */
49  stat = db_driver_open_select_cursor(&select, cursor, mode);
50  db_free_string(&select);
51 
52  /* send the return code */
53  if (stat != DB_OK) {
55  return DB_OK;
56  }
58 
59  /* mark this as a readonly cursor */
61 
62  /* add this cursor to the cursors managed by the driver state */
64 
65  /* results */
66  DB_SEND_TOKEN(&token);
67  DB_SEND_INT(cursor->type);
68  DB_SEND_INT(cursor->mode);
69  DB_SEND_TABLE_DEFINITION(cursor->table);
70  return DB_OK;
71 }