text.mod/graphviz.mod/graphviz/lib/expr/exzero.c

/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/

/*
 * Glenn Fowler
 * AT&T Research
 *
 * expression library support
 */

#include <expr/exlib.h>

/*
 * return 0 value for type
 */

Extype_t exzero(long int type) {
	Extype_t	v = {0};

	switch (type)
	{
	case FLOATING:
		v.floating = 0.0;
		break;
	case INTEGER:
	case UNSIGNED:
		v.integer = 0;
		break;
	case STRING:
		v.string = expr.nullstring;
		break;
	}
	return v;
}