/*
 * err.h -- formtted error messages (portable version)
 *
 * Copyright (c) 2011-2018 David Demelier <markand@malikania.fr>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef ERR_H
#define ERR_H

#include <stdarg.h>

#ifdef __cplusplus
extern "C" {
#endif

#if defined(__GNUC__)
#   define ERR_NORETURN __attribute__ ((noreturn))
#elif defined(_MSC_VER)
#   define ERR_NORETURN __declspec(noreturn)
#endif

void
err(int, const char *, ...) ERR_NORETURN;

void
verr(int, const char *, va_list) ERR_NORETURN;

void
errx(int, const char *, ...) ERR_NORETURN;

void
verrx(int, const char *, va_list) ERR_NORETURN;

void
warn(const char *, ...);

void
vwarn(const char *, va_list);

void
warnx(const char *, ...);

void
vwarnx(const char *, va_list);

#ifdef __cplusplus
}
#endif

#endif /* ERR_H */