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/* utils.h - useful macro and defines
*
* Copyright(C) 2001-2002 Salvatore Sanfilippo <antirez@invece.org>
* All rights reserved.
* See the LICENSE file for COPYRIGHT and PERMISSION notice */
/* $Id: utils.h,v 1.1 2003/09/26 14:56:56 antirez Exp $ */
#ifndef __UTILS_H
#define __UTILS_H
#include <stdlib.h> /* abort() */
/* NULL may be defined as just 0, this may not the same as (void*)0
* for some arch. An example is a 64bit hard with 32bit int, and can
* create problems with variadic functions.
*
* For variadic functions we use NULLPTR instead */
#ifndef NULLPTR /* This is hopefully not defined */
#define NULLPTR ((void*)0)
#endif
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
/* It seems in gcc < 3.0 there is no way to suppress only the
* warning for unused function parameters when you use -W.
* This macro is better than -Wno-unused. We want all the
* other unused warnings */
#define ARG_UNUSED(a) ((void) a);
#ifndef MIN
#define MIN(x,y) ((x)<(y)?(x):(y))
#endif
#ifndef MAX
#define MAX(x,y) ((x)>(y)?(x):(y))
#endif
#ifdef NDEBUG
#define yakuns_assert(expr) do { } while(0)
#else /* !NDEBUG */
#define yakuns_assert(x) \
do { \
if ((x) == 0) { \
ylog(VERB_FORCE, \
"assert failed: %s is false in %s at line %d\n", \
#x, __FILE__, __LINE__); \
abort(); \
} \
} while(0)
#endif /* !NDEBUG */
#endif /* __UTILS_H */
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