projects / apple / shell_cmds.git / blame
| Commit | Line | Data |
|---|---|---|
| 44bd5ea7 A |
1 | /* $NetBSD: value.h,v 1.3 1995/09/28 10:35:00 tls Exp $ */ |
| 2 | ||
| 3 | /* | |
| 4 | * Copyright (c) 1983, 1993 | |
| 5 | * The Regents of the University of California. All rights reserved. | |
| 6 | * | |
| 7 | * This code is derived from software contributed to Berkeley by | |
| 8 | * Edward Wang at The University of California, Berkeley. | |
| 9 | * | |
| 10 | * Redistribution and use in source and binary forms, with or without | |
| 11 | * modification, are permitted provided that the following conditions | |
| 12 | * are met: | |
| 13 | * 1. Redistributions of source code must retain the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer. | |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 16 | * notice, this list of conditions and the following disclaimer in the | |
| 17 | * documentation and/or other materials provided with the distribution. | |
| 18 | * 3. All advertising materials mentioning features or use of this software | |
| 19 | * must display the following acknowledgement: | |
| 20 | * This product includes software developed by the University of | |
| 21 | * California, Berkeley and its contributors. | |
| 22 | * 4. Neither the name of the University nor the names of its contributors | |
| 23 | * may be used to endorse or promote products derived from this software | |
| 24 | * without specific prior written permission. | |
| 25 | * | |
| 26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 36 | * SUCH DAMAGE. | |
| 37 | * | |
| 38 | * @(#)value.h 8.1 (Berkeley) 6/6/93 | |
| 39 | */ | |
| 40 | ||
| 41 | struct value { | |
| 42 | char v_type; | |
| 43 | union { | |
| 44 | int V_num; | |
| 45 | char *V_str; | |
| 46 | } v_un; | |
| 47 | }; | |
| 48 | #define v_num v_un.V_num | |
| 49 | #define v_str v_un.V_str | |
| 50 | ||
| 51 | #define V_NUM 1 | |
| 52 | #define V_STR 2 | |
| 53 | #define V_ERR 3 | |
| 54 | ||
| 55 | #define val_free(v) ((v).v_type == V_STR ? str_free((v).v_str) : 0) |