GRASS Programmer's Manual  6.4.3(2013)-r
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d_openupdate.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  dbString table_name;
33  int mode;
34 
35  /* get the arg(s) */
36  db_init_string(&table_name);
37  db_init_string(&select);
38  DB_RECV_STRING(&table_name);
39  DB_RECV_STRING(&select);
40  DB_RECV_INT(&mode);
41 
42  /* create a cursor */
43  cursor = (dbCursor *) db_malloc(sizeof(dbCursor));
44  if (cursor == NULL)
45  return db_get_error_code();
46  token = db_new_token((dbAddress) cursor);
47  if (token < 0)
48  return db_get_error_code();
49  db_init_cursor(cursor);
50 
51  /* call the procedure */
52  stat = db_driver_open_update_cursor(&table_name, &select, cursor, mode);
53  db_free_string(&table_name);
54  db_free_string(&select);
55 
56  /* send the return code */
57  if (stat != DB_OK) {
59  return DB_OK;
60  }
62 
63  /* mark this as an update cursor */
65 
66  /* add this cursor to the cursors managed by the driver state */
68 
69  /* results */
70  DB_SEND_TOKEN(&token);
71  DB_SEND_INT(cursor->type);
72  DB_SEND_INT(cursor->mode);
73  DB_SEND_TABLE_DEFINITION(cursor->table);
74  return DB_OK;
75 }