1 /* $NetBSD: utils.h,v 1.3 2014/01/22 06:15:22 riastradh Exp $ */ 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>... */ 39 int snprintf_ss(char *restrict, size_t, const char *restrict, ...) 40 __printflike(3, 4); 41 int vsnprintf_ss(char *restrict, size_t, const char *restrict, va_list) 42 __printflike(3, 0); 43 44 ssize_t read_block(int, void *, size_t); 45 ssize_t pread_block(int, void *, size_t, off_t); 46 void err_ss(int, const char *) __dead; 47 void errx_ss(int, const char *, ...) __printflike(2, 3) __dead; 48 void warn_ss(const char *); 49 void warnx_ss(const char *, ...) __printflike(1, 2); 50 void vwarnx_ss(const char *, va_list) __printflike(1, 0); 51 void block_signals(sigset_t *); 52 void restore_sigmask(const sigset_t *); 53 54 #endif /* VNDCOMPRESS_UTILS_H */ 55