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/* $OpenBSD: defs.h,v 1.3 2002/08/12 00:42:56 aaron Exp $ */
/* $NetBSD: defs.h,v 1.5 1999/12/24 09:08:49 agc Exp $ */
/*
* Copyright (c) 1999 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_
#define NEWARRAY(type,ptr,size,action) do { \
if ((ptr = (type *) calloc(size, sizeof(type))) == (type *) NULL) { \
warn("can't allocate %ld bytes", (long)(size * sizeof(type))); \
action; \
} \
} while( /* CONSTCOND */ 0)
#define RENEW(type,ptr,size,action) do { \
if ((ptr = (type *) realloc(ptr, sizeof(type) * size)) == (type *) NULL) { \
warn("can't realloc %ld bytes", (long)(size * sizeof(type))); \
action; \
} \
} while( /* CONSTCOND */ 0)
#define NEW(type, ptr, action) NEWARRAY(type, ptr, 1, action)
#define FREE(ptr) (void) free(ptr)
#ifndef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
#endif
#endif /* !DEFS_H_ */
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