libbsd/include/bsd/err.h

/*
 * Copyright © 2006 Robert Millan
 * Copyright © 2009, 2011 Guillem Jover <guillem@hadrons.org>
 *
 * 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. 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 ``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.
 */

#ifdef LIBBSD_OVERLAY
#include <sys/cdefs.h>
#if __has_include_next(<err.h>)
#include_next <err.h>
#else
#define LIBBSD_NEED_ERR_H_FUNCS
#endif
#else
#include <bsd/sys/cdefs.h>
#if __has_include(<err.h>)
#include <err.h>
#else
#define LIBBSD_NEED_ERR_H_FUNCS
#endif
#endif

#ifndef LIBBSD_ERR_H
#define LIBBSD_ERR_H

#include <stdarg.h>

__BEGIN_DECLS
void vwarnc(int code, const char *format, va_list ap)
	__printflike(2, 0);
void warnc(int code, const char *format, ...)
	__printflike(2, 3);

void verrc(int status, int code, const char *format, va_list ap)
	__printflike(3, 0) __dead2;
void errc(int status, int code, const char *format, ...)
	__printflike(3, 4) __dead2;

#ifdef LIBBSD_NEED_ERR_H_FUNCS
void vwarn(const char *format, va_list ap)
	__printflike(1, 0);
void vwarnx(const char *format, va_list ap)
	__printflike(1, 0);
void warn(const char *format, ...)
	__printflike(1, 2);
void warnx(const char *format, ...)
	__printflike(1, 2);

void verr(int status, const char *format, va_list ap)
	__printflike(2, 0) __dead2;
void verrx(int status, const char *format, va_list ap)
	__printflike(2, 0) __dead2;
void err(int status, const char *format, ...)
	__printflike(2, 3) __dead2;
void errx(int status, const char *format, ...)
	__printflike(2, 3) __dead2;
#endif
__END_DECLS

#endif