xref: /dflybsd-src/usr.bin/window/value.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino /*	$NetBSD: value.h,v 1.6 2008/07/25 06:53:43 gmcgarry Exp $	*/
2*86d7f5d3SJohn Marino 
3*86d7f5d3SJohn Marino /*
4*86d7f5d3SJohn Marino  * Copyright (c) 1983, 1993
5*86d7f5d3SJohn Marino  *	The Regents of the University of California.  All rights reserved.
6*86d7f5d3SJohn Marino  *
7*86d7f5d3SJohn Marino  * This code is derived from software contributed to Berkeley by
8*86d7f5d3SJohn Marino  * Edward Wang at The University of California, Berkeley.
9*86d7f5d3SJohn Marino  *
10*86d7f5d3SJohn Marino  * Redistribution and use in source and binary forms, with or without
11*86d7f5d3SJohn Marino  * modification, are permitted provided that the following conditions
12*86d7f5d3SJohn Marino  * are met:
13*86d7f5d3SJohn Marino  * 1. Redistributions of source code must retain the above copyright
14*86d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer.
15*86d7f5d3SJohn Marino  * 2. Redistributions in binary form must reproduce the above copyright
16*86d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer in the
17*86d7f5d3SJohn Marino  *    documentation and/or other materials provided with the distribution.
18*86d7f5d3SJohn Marino  * 3. Neither the name of the University nor the names of its contributors
19*86d7f5d3SJohn Marino  *    may be used to endorse or promote products derived from this software
20*86d7f5d3SJohn Marino  *    without specific prior written permission.
21*86d7f5d3SJohn Marino  *
22*86d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23*86d7f5d3SJohn Marino  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24*86d7f5d3SJohn Marino  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25*86d7f5d3SJohn Marino  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26*86d7f5d3SJohn Marino  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27*86d7f5d3SJohn Marino  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28*86d7f5d3SJohn Marino  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29*86d7f5d3SJohn Marino  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30*86d7f5d3SJohn Marino  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31*86d7f5d3SJohn Marino  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32*86d7f5d3SJohn Marino  * SUCH DAMAGE.
33*86d7f5d3SJohn Marino  *
34*86d7f5d3SJohn Marino  *	@(#)value.h	8.1 (Berkeley) 6/6/93
35*86d7f5d3SJohn Marino  */
36*86d7f5d3SJohn Marino 
37*86d7f5d3SJohn Marino struct value {
38*86d7f5d3SJohn Marino 	char v_type;
39*86d7f5d3SJohn Marino 	union {
40*86d7f5d3SJohn Marino 		int V_num;
41*86d7f5d3SJohn Marino 		char *V_str;
42*86d7f5d3SJohn Marino 	} v_un;
43*86d7f5d3SJohn Marino };
44*86d7f5d3SJohn Marino #define v_num	v_un.V_num
45*86d7f5d3SJohn Marino #define v_str	v_un.V_str
46*86d7f5d3SJohn Marino 
47*86d7f5d3SJohn Marino #define V_NUM	1
48*86d7f5d3SJohn Marino #define V_STR	2
49*86d7f5d3SJohn Marino #define V_ERR	3
50*86d7f5d3SJohn Marino 
51*86d7f5d3SJohn Marino #define val_free(v)	(((v).v_type == V_STR && (v).v_str) ? \
52*86d7f5d3SJohn Marino     str_free((v).v_str) : (void)0)
53