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