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c_list_tabs.c
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c_list_tabs.c
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/*!
* \file db/dbmi_client/c_list_tabs.c
*
* \brief DBMI Library (client) - list tables
*
* (C) 1999-2008 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.
*
* \author Joel Jones (CERL/UIUC), Radim Blazek
*/
#include <stdlib.h>
#include <string.h>
#include <grass/dbmi.h>
#include "macros.h"
static int cmp_dbstr(const void *pa, const void *pb)
{
const char *a = db_get_string((dbString *) pa);
const char *b = db_get_string((dbString *) pb);
return strcmp(a, b);
}
/*!
\brief List available tables for given connection
\param driver db driver
\param[out] names list of table names
\param[out] count number of items in the list
\param system ?
\return DB_OK on success
\return DB_FAILED on failure
*/
int db_list_tables(dbDriver * driver, dbString ** names, int *count, int system)
{
int ret_code;
/* start the procedure call */
db__set_protocol_fds(driver->send, driver->recv);
DB_START_PROCEDURE_CALL(DB_PROC_LIST_TABLES);
/* arguments */
DB_SEND_INT(system);
/* get the return code for the procedure call */
DB_RECV_RETURN_CODE(&ret_code);
if (ret_code != DB_OK)
return ret_code; /* ret_code SHOULD == DB_FAILED */
/* results */
DB_RECV_STRING_ARRAY(names, count);
qsort(*names, *count, sizeof(dbString), cmp_dbstr);
return DB_OK;
}