Logo Search packages:      
Sourcecode: ksh version File versions  Download package

dtextract.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2009 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#include    "dthdr.h"

/*    Extract objects of a dictionary.
**
**    Written by Kiem-Phong Vo (5/25/96).
*/

#if __STD_C
Dtlink_t* dtextract(reg Dt_t* dt)
#else
Dtlink_t* dtextract(dt)
reg Dt_t*   dt;
#endif
{
      reg Dtlink_t      *list, **s, **ends;

      if(dt->data->type&(DT_OSET|DT_OBAG) )
            list = dt->data->here;
      else if(dt->data->type&(DT_SET|DT_BAG))
      {     list = dtflatten(dt);
            for(ends = (s = dt->data->htab) + dt->data->ntab; s < ends; ++s)
                  *s = NIL(Dtlink_t*);
      }
      else /*if(dt->data->type&(DT_LIST|DT_STACK|DT_QUEUE))*/
      {     list = dt->data->head;
            dt->data->head = NIL(Dtlink_t*);
      }

      dt->data->type &= ~DT_FLATTEN;
      dt->data->size = 0;
      dt->data->here = NIL(Dtlink_t*);

      return list;
}

Generated by  Doxygen 1.6.0   Back to index