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/*
* common.[ch] - C helpers common to the whole of chiark-utils
*
* Copyright 2007 Canonical Ltd
* Copyright 2016 Canonical Ltd
*
*
* 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 file; if not, consult the Free Software
* Foundation's website at www.fsf.org, or the GNU Project website at
* www.gnu.org.
*
* Should be included early so that _GNU_SOURCE takes effect.
*/
#ifndef COMMON_H
#define COMMON_H
#define _GNU_SOURCE
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
char *m_vasprintf(const char *fmt, va_list al);
char *m_asprintf(const char *fmt, ...);
/* to be provided by program: */
void common_die(const char *what);
void common_diee(const char *what); /* prints errno */
void nonblock(int fd);
void *xmalloc(size_t sz);
#define FILLZERO(object) (memset((&object),0,sizeof(object)))
extern char **environ; // no header file for this, srsly!
#endif /*COMMON_H*/
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