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/* $Id: exzero.c,v 1.3 2009/06/03 01:10:52 ellson Exp $ $Revision: 1.3 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2004 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
/*
* Glenn Fowler
* AT&T Research
*
* expression library support
*/
#include "exlib.h"
/*
* return 0 value for type
*/
Extype_t exzero(int type)
{
Extype_t v;
switch (type) {
case FLOATING:
v.floating = 0.0;
break;
case INTEGER:
case UNSIGNED:
v.integer = 0;
break;
case STRING:
v.string = expr.nullstring;
break;
default:
v.integer = 0;
break;
}
return v;
}
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