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/* $NetBSD: defs.h,v 1.1 2014/02/04 02:11:18 agc Exp $ */
/*-
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Alistair Crooks (agc@NetBSD.org)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DEFS_H_
#define DEFS_H_
#include <sys/types.h>
#include <sys/param.h>
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define NEWARRAY(type,ptr,size,where,action) do { \
if ((ptr = calloc(sizeof(type), (unsigned)(size))) == NULL) { \
(void) fprintf(stderr, "%s: can't allocate %lu bytes\n", \
where, (unsigned long)(size * sizeof(type))); \
action; \
} \
} while( /* CONSTCOND */ 0)
#define RENEW(type,ptr,size,where,action) do { \
type *_newptr; \
_newptr = realloc(ptr, (size_t)(sizeof(type) * (size))); \
if (_newptr == NULL) { \
(void) fprintf(stderr, "%s: can't realloc %lu bytes\n", \
where, (unsigned long)(size * sizeof(type))); \
action; \
} else { \
ptr = _newptr; \
} \
} while( /* CONSTCOND */ 0)
#define NEW(type, ptr, where, action) NEWARRAY(type, ptr, 1, where, action)
#define FREE(ptr) (void) free(ptr)
#define ALLOC(type, v, size, c, init, incr, where, action) do { \
uint32_t _newsize = size; \
if (size == 0) { \
_newsize = init; \
NEWARRAY(type, v, _newsize, where ": new", action); \
} else if (c == size) { \
_newsize = size + incr; \
RENEW(type, v, _newsize, where ": renew", action); \
} \
size = _newsize; \
} while( /* CONSTCOND */ 0)
#define DEFINE_ARRAY(name, type) \
typedef struct name { \
uint32_t c; \
uint32_t size; \
type *v; \
} name
#endif /* !DEFS_H_ */
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