1/*	$NetBSD$	*/
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Taylor R. Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef	VNDCOMPRESS_UTILS_H
33#define	VNDCOMPRESS_UTILS_H
34
35#include <sys/types.h>
36#include <sys/cdefs.h>
37
38/* XXX Seems to be missing from <stdio.h>...  */
39int	snprintf_ss(char *restrict, size_t, const char *restrict, ...)
40	    __printflike(3, 4);
41int	vsnprintf_ss(char *restrict, size_t, const char *restrict, va_list)
42	    __printflike(3, 0);
43
44ssize_t	read_block(int, void *, size_t);
45ssize_t	pread_block(int, void *, size_t, off_t);
46void	err_ss(int, const char *) __dead;
47void	errx_ss(int, const char *, ...) __printflike(2, 3) __dead;
48void	warn_ss(const char *);
49void	warnx_ss(const char *, ...) __printflike(1, 2);
50void	vwarnx_ss(const char *, va_list) __printflike(1, 0);
51void	block_signals(sigset_t *);
52void	restore_sigmask(const sigset_t *);
53
54#endif	/* VNDCOMPRESS_UTILS_H */
55