/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ERR_H
#define _ERR_H
#include <slibc/version.h>
#include <slibc/features.h>
#ifndef __PORTABLE
#ifndef _SLIBC_SUPPRESS_WARNINGS
# warning "Please consider not using <err.h>."
#endif
#include <stdarg.h>
/**
* Print a warning to stderr, followed by a description
* of the value of `errno`.
*
* This is a non-standard BSD extension.
*
* @param format Formatting-string for the warning.
* @param ... Formatting-arguments.
*/
void warn(const char*, ...)
__GCC_ONLY(__attribute__((format(printf, 1, 2))));
/**
* Print a warning to stderr, followed by a description
* of the value of `errno`.
*
* This is a non-standard BSD extension.
*
* @param format Formatting-string for the warning.
* @param args Formatting-arguments.
*/
void vwarn(const char*, va_list);
/**
* Print a warning to stderr, but do not print a
* description of the value of `errno`.
*
* This is a non-standard BSD extension.
*
* @param format Formatting-string for the warning.
* @param ... Formatting-arguments.
*/
void warnx(const char*, ...)
__GCC_ONLY(__attribute__((format(printf, 1, 2))));
/**
* Print a warning to stderr, but do not print a
* description of the value of `errno`.
*
* This is a non-standard BSD extension.
*
* @param format Formatting-string for the warning.
* @param args Formatting-arguments.
*/
void vwarnx(const char*, va_list);
/**
* Print an error message to stderr, followed by a
* description of the value of `errno`. Then exit the process.
*
* This is a non-standard BSD extension.
*
* @parma status The exit status the process should have.
* @param format Formatting-string for the warning.
* @param ... Formatting-arguments.
*/
void err(int, const char*, ...)
__GCC_ONLY(__attribute__((format(printf, 2, 3)))) __noreturn;
/**
* Print an error message to stderr, followed by a
* description of the value of `errno`. Then exit the process.
*
* This is a non-standard BSD extension.
*
* @parma status The exit status the process should have.
* @param format Formatting-string for the warning.
* @param args Formatting-arguments.
*/
void verr(int, const char*, va_list) __noreturn;
/**
* Print an error message to stderr, but do not print a
* description of the value of `errno`. Then exit the process.
*
* This is a non-standard BSD extension.
*
* @parma status The exit status the process should have.
* @param format Formatting-string for the warning.
* @param ... Formatting-arguments.
*/
void errx(int, const char*, ...)
__noreturn __GCC_ONLY(__attribute__((format(printf, 2, 3))));
/**
* Print an error message to stderr, but do not print a
* description of the value of `errno`. Then exit the process.
*
* This is a non-standard BSD extension.
*
* @parma status The exit status the process should have.
* @param format Formatting-string for the warning.
* @param args Formatting-arguments.
*/
void verrx(int, const char*, va_list) __noreturn;
#endif
#endif
