view util.h @ 34:34ada71ff3e5

Allow local makefile overrides in local.mk
author Guido Berhoerster <guido+pwm@berhoerster.name>
date Wed, 31 Jul 2019 11:21:54 +0200
parents a07665727c19
children
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/*
 * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef	UTIL_H
#define	UTIL_H

#include <stdarg.h>
#include <stdlib.h>

#define	EXIT_USAGE	2

#define	COUNTOF(x)	((sizeof (x)/sizeof (0[x])) / ((size_t)(!(sizeof (x) % \
    sizeof (0[x])))))

#define	MAX(x, y)	(((x) > (y)) ? (x) : (y))
#define	MIN(x, y)	(((x) < (y)) ? (x) : (y))

void *	xmalloc(size_t);
void *	xrealloc(void *, size_t);
char *	xstrdup(const char *);
char *	xvasprintf(char **, const char *, va_list);
char *	xasprintf(char **, const char *, ...);

#endif /* UTIL_H */