95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/* $NetBSD: defs.h,v 1.4 2006/04/17 16:44:42 thorpej Exp $ */
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/*
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* Copyright (c) 1999-2005 Alistair Crooks. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DEFS_H_
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#define DEFS_H_
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#include "config.h"
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#include <sys/types.h>
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#include <sys/param.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define NEWARRAY(type,ptr,size,where,action) do { \
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if ((ptr = (type *) calloc(sizeof(type), (unsigned)(size))) == NULL) { \
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(void) fprintf(stderr, "%s: can't allocate %lu bytes\n", \
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where, (unsigned long)(size * sizeof(type))); \
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action; \
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} \
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} while( /* CONSTCOND */ 0)
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#define RENEW(type,ptr,size,where,action) do { \
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type *_newptr; \
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if ((_newptr = (type *) realloc(ptr, sizeof(type) * (size))) == NULL) { \
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(void) fprintf(stderr, "%s: can't realloc %lu bytes\n", \
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where, (unsigned long)(size * sizeof(type))); \
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action; \
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} else { \
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ptr = _newptr; \
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} \
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} while( /* CONSTCOND */ 0)
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#define NEW(type, ptr, where, action) NEWARRAY(type, ptr, 1, where, action)
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#define FREE(ptr) (void) free(ptr)
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#define ALLOC(type, v, size, c, init, incr, where, action) do { \
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uint32_t _newsize = size; \
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if (size == 0) { \
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_newsize = init; \
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NEWARRAY(type, v, _newsize, where ": new", action); \
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} else if (c == size) { \
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_newsize = size + incr; \
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RENEW(type, v, _newsize, where ": renew", action); \
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} \
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size = _newsize; \
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} while( /* CONSTCOND */ 0)
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/* (void) memset(&v[size], 0x0, sizeof(type) * incr); \*/
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#define DEFINE_ARRAY(name, type) \
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typedef struct name { \
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uint32_t c; \
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uint32_t size; \
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type *v; \
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} name
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#ifndef ABS
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#define ABS(a) (((a) < 0) ? -(a) : (a))
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#endif
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#endif /* !DEFS_H_ */
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