186d7f5d3SJohn Marino /* $NetBSD: var.h,v 1.8 2009/04/14 08:50:06 lukem Exp $ */ 286d7f5d3SJohn Marino 386d7f5d3SJohn Marino /* 486d7f5d3SJohn Marino * Copyright (c) 1983, 1993 586d7f5d3SJohn Marino * The Regents of the University of California. All rights reserved. 686d7f5d3SJohn Marino * 786d7f5d3SJohn Marino * This code is derived from software contributed to Berkeley by 886d7f5d3SJohn Marino * Edward Wang at The University of California, Berkeley. 986d7f5d3SJohn Marino * 1086d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without 1186d7f5d3SJohn Marino * modification, are permitted provided that the following conditions 1286d7f5d3SJohn Marino * are met: 1386d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright 1486d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer. 1586d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright 1686d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the 1786d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution. 1886d7f5d3SJohn Marino * 3. Neither the name of the University nor the names of its contributors 1986d7f5d3SJohn Marino * may be used to endorse or promote products derived from this software 2086d7f5d3SJohn Marino * without specific prior written permission. 2186d7f5d3SJohn Marino * 2286d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2386d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2486d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2586d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2686d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2786d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2886d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2986d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3086d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3186d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3286d7f5d3SJohn Marino * SUCH DAMAGE. 3386d7f5d3SJohn Marino * 3486d7f5d3SJohn Marino * @(#)var.h 8.1 (Berkeley) 6/6/93 3586d7f5d3SJohn Marino */ 3686d7f5d3SJohn Marino 3786d7f5d3SJohn Marino #ifndef EXTERN 3886d7f5d3SJohn Marino #define EXTERN extern 3986d7f5d3SJohn Marino #endif 4086d7f5d3SJohn Marino 4186d7f5d3SJohn Marino struct var { 4286d7f5d3SJohn Marino struct var *r_left; 4386d7f5d3SJohn Marino struct var *r_right; 4486d7f5d3SJohn Marino char *r_name; 4586d7f5d3SJohn Marino struct value r_val; 4686d7f5d3SJohn Marino }; 4786d7f5d3SJohn Marino 4886d7f5d3SJohn Marino struct var **var_lookup1(struct var **, const char *); 4986d7f5d3SJohn Marino struct var *var_set1(struct var **, const char *, struct value *); 5086d7f5d3SJohn Marino struct var *var_setnum1(struct var **, const char *, int); 5186d7f5d3SJohn Marino struct var *var_setstr1(struct var **, const char *, char *); 5286d7f5d3SJohn Marino int var_unset1(struct var **, const char *); 5386d7f5d3SJohn Marino int var_walk1(struct var *, int (*func)(void *, struct var *), 5486d7f5d3SJohn Marino void *); 5586d7f5d3SJohn Marino 5686d7f5d3SJohn Marino #define var_set(n, v) var_set1(&var_head, n, v) 5786d7f5d3SJohn Marino #define var_setstr(n, s) var_setstr1(&var_head, n, s) 5886d7f5d3SJohn Marino #define var_setnum(n, i) var_setnum1(&var_head, n, i) 5986d7f5d3SJohn Marino #define var_unset(n) var_unset1(&var_head, n) 6086d7f5d3SJohn Marino #define var_lookup(n) (*var_lookup1(&var_head, n)) 6186d7f5d3SJohn Marino #define var_walk(f, a) var_walk1(var_head, f, a) 6286d7f5d3SJohn Marino 6386d7f5d3SJohn Marino EXTERN struct var *var_head; /* secret, shhh */ 64