xref: /illumos-gate/usr/src/contrib/ast/src/lib/libast/cdt/dtwalk.c (revision b30d193948be5a7794d7ae3ba0ed9c2f72c88e0f)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                 Eclipse Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *          http://www.eclipse.org/org/documents/epl-v10.html           *
11 *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #include	"dthdr.h"
23 
24 /*	Walk a dictionary and all dictionaries viewed through it.
25 **	userf:	user function
26 **
27 **	Written by Kiem-Phong Vo (5/25/96)
28 */
29 
30 #if __STD_C
dtwalk(Dt_t * dt,int (* userf)(Dt_t *,Void_t *,Void_t *),Void_t * data)31 int dtwalk(Dt_t* dt, int (*userf)(Dt_t*, Void_t*, Void_t*), Void_t* data)
32 #else
33 int dtwalk(dt,userf,data)
34 Dt_t*	dt;
35 int(*	userf)();
36 Void_t*	data;
37 #endif
38 {
39 	Void_t	*obj, *next;
40 	Dt_t	*walk;
41 	int	rv;
42 
43 	for(obj = dtfirst(dt); obj; )
44 	{	if(!(walk = dt->walk) )
45 			walk = dt;
46 		next = dtnext(dt,obj);
47 		if((rv = (*userf)(walk, obj, data )) < 0)
48 			return rv;
49 		obj = next;
50 	}
51 
52 	return 0;
53 }
54