/***********************************************************************

*                                                                      *

*               This software is part of the ast package               *

*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

*                      and is licensed under the                       *

*                 Eclipse Public License, Version 1.0                  *

*                    by AT&T Intellectual Property                     *

*                                                                      *

*                A copy of the License is available at                 *

*          http://www.eclipse.org/org/documents/epl-v10.html           *

*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

*                                                                      *

*              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"

/*	Walk a dictionary and all dictionaries viewed through it.

**	userf:	user function

**

**	Written by Kiem-Phong Vo (5/25/96)

*/

#if __STD_C

int dtwalk(Dt_t* dt, int (*userf)(Dt_t*, Void_t*, Void_t*), Void_t* data)

#else

int dtwalk(dt,userf,data)

Dt_t*	dt;

int(*	userf)();

Void_t*	data;

#endif

{

	Void_t	*obj, *next;

	Dt_t	*walk;

	int	rv;

	for(obj = dtfirst(dt); obj; )

	{	if(!(walk = dt->walk) )

			walk = dt;

		next = dtnext(dt,obj);

		if((rv = (*userf)(walk, obj, data )) < 0)

			return rv;

		obj = next;

	}

	return 0;

}