1 /*- 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #if defined(LIBC_SCCS) && !defined(lint) 35 static char sccsid[] = "@(#)err.c 8.1 (Berkeley) 6/4/93"; 36 #endif /* LIBC_SCCS and not lint */ 37 38 #include "err.h" 39 #include <errno.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 44 #ifdef __STDC__ 45 #include <stdarg.h> 46 #else 47 #include <varargs.h> 48 #endif 49 50 extern char *__progname; /* Program name, from crt0. */ 51 52 void 53 #ifdef __STDC__ 54 err(int eval, const char *fmt, ...) 55 #else 56 err(eval, fmt, va_alist) 57 int eval; 58 const char *fmt; 59 va_dcl 60 #endif 61 { 62 va_list ap; 63 #if __STDC__ 64 va_start(ap, fmt); 65 #else 66 va_start(ap); 67 #endif 68 verr(eval, fmt, ap); 69 va_end(ap); 70 } 71 72 void 73 verr(int eval, const char *fmt, va_list ap) 74 { 75 int sverrno; 76 77 sverrno = errno; 78 (void)fprintf(stderr, "%s: ", __progname); 79 if (fmt != NULL) { 80 (void)vfprintf(stderr, fmt, ap); 81 (void)fprintf(stderr, ": "); 82 } 83 (void)fprintf(stderr, "%s\n", strerror(sverrno)); 84 exit(eval); 85 } 86 87 void 88 #if __STDC__ 89 errx(int eval, const char *fmt, ...) 90 #else 91 errx(eval, fmt, va_alist) 92 int eval; 93 const char *fmt; 94 va_dcl 95 #endif 96 { 97 va_list ap; 98 #if __STDC__ 99 va_start(ap, fmt); 100 #else 101 va_start(ap); 102 #endif 103 verrx(eval, fmt, ap); 104 va_end(ap); 105 } 106 107 void 108 verrx(int eval, const char *fmt, va_list ap) 109 { 110 (void)fprintf(stderr, "%s: ", __progname); 111 if (fmt != NULL) 112 (void)vfprintf(stderr, fmt, ap); 113 (void)fprintf(stderr, "\n"); 114 exit(eval); 115 } 116 117 void 118 #if __STDC__ 119 warn(const char *fmt, ...) 120 #else 121 warn(fmt, va_alist) 122 const char *fmt; 123 va_dcl 124 #endif 125 { 126 va_list ap; 127 #if __STDC__ 128 va_start(ap, fmt); 129 #else 130 va_start(ap); 131 #endif 132 vwarn(fmt, ap); 133 va_end(ap); 134 } 135 136 void 137 vwarn(fmt, ap) 138 const char *fmt; 139 va_list ap; 140 { 141 int sverrno; 142 143 sverrno = errno; 144 (void)fprintf(stderr, "%s: ", __progname); 145 if (fmt != NULL) { 146 (void)vfprintf(stderr, fmt, ap); 147 (void)fprintf(stderr, ": "); 148 } 149 (void)fprintf(stderr, "%s\n", strerror(sverrno)); 150 } 151 152 void 153 #ifdef __STDC__ 154 warnx(const char *fmt, ...) 155 #else 156 warnx(fmt, va_alist) 157 const char *fmt; 158 va_dcl 159 #endif 160 { 161 va_list ap; 162 #ifdef __STDC__ 163 va_start(ap, fmt); 164 #else 165 va_start(ap); 166 #endif 167 vwarnx(fmt, ap); 168 va_end(ap); 169 } 170 171 void 172 vwarnx(fmt, ap) 173 const char *fmt; 174 va_list ap; 175 { 176 (void)fprintf(stderr, "%s: ", __progname); 177 if (fmt != NULL) 178 (void)vfprintf(stderr, fmt, ap); 179 (void)fprintf(stderr, "\n"); 180 } 181