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 64 65 66 67 68 69 70
|
/***********************************************************
*
* MODULE: SQLite driver
*
* AUTHOR(S): Radim Blazek, Markus Metz
*
* COPYRIGHT: (C) 2011 by the GRASS Development Team
*
* This program is free software under the GNU General Public
* License (>=v2). Read the file COPYING that comes with GRASS
* for details.
*
**************************************************************/
#include <stdio.h>
#include <grass/gis.h>
#include <grass/dbmi.h>
#include <grass/glocale.h>
#include "globals.h"
#include "proto.h"
int db__driver_close_cursor(dbCursor *dbc)
{
cursor *c;
/* get my cursor via the dbc token */
c = (cursor *)db_find_token(db_get_cursor_token(dbc));
if (c == NULL)
return DB_FAILED;
sqlite3_finalize(c->statement);
/* free_cursor(cursor) */
free_cursor(c);
return DB_OK;
}
cursor *alloc_cursor(void)
{
cursor *c;
/* allocate the cursor */
c = (cursor *)db_malloc(sizeof(cursor));
if (c == NULL) {
db_d_append_error(_("Unable to allocate cursor."));
return NULL;
}
c->statement = NULL;
/* tokenize it */
c->token = db_new_token(c);
if (c->token < 0) {
db_d_append_error(_("Unable to add new token."));
return NULL;
}
c->kcols = NULL;
c->nkcols = 0;
return c;
}
void free_cursor(cursor *c)
{
db_drop_token(c->token);
G_free(c->kcols);
G_free(c);
}
|