c_list_tabs.c

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#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);
}

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;
}