dtclose.c

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#include "config.h"
 
#include        <cdt/dthdr.h>
#include        <stdlib.h>
 
/*      Close a dictionary
**
**      Written by Kiem-Phong Vo (05/25/96)
*/
int dtclose(Dt_t* dt)
{
        if(!dt || dt->nview > 0 ) /* can't close if being viewed */
                return -1;
 
        if(dt->view)    /* turn off viewing */
                dtview(dt,NULL);
 
        /* release all allocated data */
        (void)dt->meth->searchf(dt, NULL, DT_CLEAR);
        if(dtsize(dt) > 0)
                return -1;
 
        if (dt->data.ntab > 0)
                free(dt->data.htab);
 
        free(dt);
 
        return 0;
}