90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
|
/* $NetBSD: defs.h,v 1.1 2002/01/09 16:17:08 agc Exp $ */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (c) 1999-2000 Alistair G. Crooks. All rights reserved.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
|
* must display the following acknowledgement:
|
||
|
|
* This product includes software developed by Alistair G. Crooks.
|
||
|
|
* 4. The name of the author may not be used to endorse or promote
|
||
|
|
* products derived from this software without specific prior written
|
||
|
|
* permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <err.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#define NEWARRAY(type,ptr,size,where,action) do { \
|
||
|
|
if ((ptr = (type *) calloc(sizeof(type), (unsigned)(size))) == NULL) { \
|
||
|
|
warn("%s: can't allocate %lu bytes", where, \
|
||
|
|
(unsigned long)(size * sizeof(type))); \
|
||
|
|
action; \
|
||
|
|
} \
|
||
|
|
} while( /* CONSTCOND */ 0)
|
||
|
|
|
||
|
|
#define RENEW(type,ptr,size,where,action) do { \
|
||
|
|
type *newptr; \
|
||
|
|
if ((newptr = (type *) realloc(ptr, sizeof(type) * (size))) == NULL) { \
|
||
|
|
warn("%s: can't realloc %lu bytes", where, \
|
||
|
|
(unsigned long)(size * sizeof(type))); \
|
||
|
|
action; \
|
||
|
|
} \
|
||
|
|
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, where, action) do { \
|
||
|
|
if (size == 0) { \
|
||
|
|
size = init; \
|
||
|
|
NEWARRAY(type, v, size, where ": new", action); \
|
||
|
|
} else if (c == size) { \
|
||
|
|
size *= 2; \
|
||
|
|
RENEW(type, v, size, where ": renew", action); \
|
||
|
|
} \
|
||
|
|
} while( /* CONSTCOND */ 0)
|
||
|
|
|
||
|
|
#ifndef MIN
|
||
|
|
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef MAX
|
||
|
|
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef ABS
|
||
|
|
#define ABS(a) (((a) < 0) ? -(a) : (a))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define STRNCPY(to, from, size) do { \
|
||
|
|
(void) strncpy(to, from, size); \
|
||
|
|
to[(size) - 1] = 0; \
|
||
|
|
} while( /* CONSTCOND */ 0)
|
||
|
|
|
||
|
|
#endif /* !DEFS_H_ */
|