1 /* $OpenBSD: verr.c,v 1.9 2012/12/05 23:20:00 deraadt Exp $ */ 2 /*- 3 * Copyright (c) 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <err.h> 32 #include <errno.h> 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <string.h> 36 #include <stdarg.h> 37 38 extern char *__progname; /* Program name, from crt0. */ 39 40 __dead void 41 _verr(int eval, const char *fmt, va_list ap) 42 { 43 int sverrno; 44 45 sverrno = errno; 46 (void)fprintf(stderr, "%s: ", __progname); 47 if (fmt != NULL) { 48 (void)vfprintf(stderr, fmt, ap); 49 (void)fprintf(stderr, ": "); 50 } 51 (void)fprintf(stderr, "%s\n", strerror(sverrno)); 52 exit(eval); 53 } 54 55 __weak_alias(verr, _verr); 56 57