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  • Committer: Bazaar Package Importer
  • Author(s): Stephen M Moraco
  • Date: 2002-02-05 18:52:12 UTC
  • Revision ID: james.westby@ubuntu.com-20020205185212-8i04c70te00rc40y
Tags: upstream-1.7.16
Import upstream version 1.7.16

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cdt/dtwalk.c
 
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/*
 
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    This software may only be used by you under license from AT&T Corp.
 
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    ("AT&T").  A copy of AT&T's Source Code Agreement is available at
 
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    AT&T's Internet website having the URL:
 
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    <http://www.research.att.com/sw/tools/graphviz/license/source.html>
 
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    If you received this software without first entering into a license
 
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    with AT&T, you have an infringing copy of this software and cannot use
 
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    it without violating AT&T's intellectual property rights.
 
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*/
 
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#include        "dthdr.h"
 
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#ifdef DMALLOC
 
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#include "dmalloc.h"
 
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#endif
 
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/*      Walk a dictionary and all dictionaries viewed through it.
 
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**      userf:  user function
 
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**
 
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**      Written by Kiem-Phong Vo (5/25/96)
 
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*/
 
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#if __STD_C
 
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int dtwalk(reg Dt_t* dt, int (*userf)(Dt_t*, Void_t*, Void_t*), Void_t* data)
 
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#else
 
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int dtwalk(dt,userf,data)
 
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reg Dt_t*       dt;
 
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int(*           userf)();
 
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Void_t*         data;
 
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#endif
 
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{
 
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        reg Void_t      *obj, *next;
 
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        reg Dt_t*       walk;
 
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        reg int         rv;
 
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        for(obj = dtfirst(dt); obj; )
 
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        {       if(!(walk = dt->walk) )
 
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                        walk = dt;
 
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                next = dtnext(dt,obj);
 
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                if((rv = (*userf)(walk, obj, data )) < 0)
 
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                        return rv;
 
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                obj = next;
 
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        }
 
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        return 0;
 
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}