1 /* 2 * Copyright (c) 2015 Tim Rice <tim@multitalents.net> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "includes.h" 29 30 #include <errno.h> 31 #include <stdarg.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <string.h> 35 36 #ifndef HAVE_ERR 37 void 38 err(int r, const char *fmt, ...) 39 { 40 va_list args; 41 42 va_start(args, fmt); 43 fprintf(stderr, "%s: ", strerror(errno)); 44 vfprintf(stderr, fmt, args); 45 fputc('\n', stderr); 46 va_end(args); 47 exit(r); 48 } 49 #endif 50 51 #ifndef HAVE_ERRX 52 void 53 errx(int r, const char *fmt, ...) 54 { 55 va_list args; 56 57 va_start(args, fmt); 58 vfprintf(stderr, fmt, args); 59 fputc('\n', stderr); 60 va_end(args); 61 exit(r); 62 } 63 #endif 64 65 #ifndef HAVE_WARN 66 void 67 warn(const char *fmt, ...) 68 { 69 va_list args; 70 71 va_start(args, fmt); 72 fprintf(stderr, "%s: ", strerror(errno)); 73 vfprintf(stderr, fmt, args); 74 fputc('\n', stderr); 75 va_end(args); 76 } 77 #endif 78