1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
#include <stdio.h>
#include "gis.h"
#include "dbmi.h"
#include "globals.h"
#include "proto.h"
int
db__driver_close_cursor(dbc)
dbCursor *dbc;
{
cursor *c;
init_error();
/* get my cursor via the dbc token */
c = (cursor *) db_find_token(db_get_cursor_token(dbc));
if (c == NULL)
return DB_FAILED;
/* free_cursor(cursor) */
free_cursor(c);
return DB_OK;
}
cursor * alloc_cursor()
{
cursor *c;
/* allocate the cursor */
c = (cursor *) db_malloc(sizeof(cursor));
if (c == NULL) {
append_error("Cannot allocate cursor.");
return NULL;
}
c->res = NULL;
/* tokenize it */
c->token = db_new_token(c);
if (c->token < 0) {
append_error("Cannot ad new token.");
return NULL;
}
c->cols = NULL;
c->ncols = 0;
return c;
}
void free_cursor( cursor *c)
{
db_drop_token(c->token);
/* TODO close results if any */
G_free ( c->cols );
G_free(c);
}
|
