1 /* $NetBSD: defs.h,v 1.7 2011/08/31 16:25:00 plunky Exp $ */
4 * Copyright (c) 1999 Alistair G. Crooks. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote
15 * products derived from this software without specific prior written
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
24 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #define NEWARRAY(type,ptr,size,action) do { \
34 if ((ptr = (type *) calloc(sizeof(type), size)) == NULL) { \
35 warn("can't allocate %ld bytes", (long)(size * sizeof(type))); \
38 } while( /* CONSTCOND */ 0)
40 #define RENEW(type,ptr,size,action) do { \
41 if ((ptr = (type *) realloc(ptr, sizeof(type) * size)) == NULL) { \
42 warn("can't realloc %ld bytes", (long)(size * sizeof(type))); \
45 } while( /* CONSTCOND */ 0)
47 #define NEW(type, ptr, action) NEWARRAY(type, ptr, 1, action)
49 #define FREE(ptr) (void) free(ptr)
52 #define MIN(a,b) (((a) < (b)) ? (a) : (b))
56 #define MAX(a,b) (((a) > (b)) ? (a) : (b))