err.c revision 1.10
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 /* from: static char sccsid[] = "@(#)err.c 8.1 (Berkeley) 6/4/93"; */ 36 static char *rcsid = "$Id: err.c,v 1.10 1994/12/17 16:16:00 pk Exp $"; 37 #endif /* LIBC_SCCS and not lint */ 38 39 #include <err.h> 40 #include <errno.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 45 #ifdef __STDC__ 46 #include <stdarg.h> 47 #else 48 #include <varargs.h> 49 #endif 50 51 extern char *__progname; /* Program name, from crt0. */ 52 53 __dead void 54 _verr(eval, fmt, ap) 55 int eval; 56 const char *fmt; 57 va_list ap; 58 { 59 int sverrno; 60 61 sverrno = errno; 62 (void)fprintf(stderr, "%s: ", __progname); 63 if (fmt != NULL) { 64 (void)vfprintf(stderr, fmt, ap); 65 (void)fprintf(stderr, ": "); 66 } 67 (void)fprintf(stderr, "%s\n", strerror(sverrno)); 68 exit(eval); 69 } 70 71 72 __dead void 73 #ifdef __STDC__ 74 _err(int eval, const char *fmt, ...) 75 #else 76 _err(va_alist) 77 va_dcl 78 #endif 79 { 80 va_list ap; 81 #if __STDC__ 82 va_start(ap, fmt); 83 #else 84 int eval; 85 const char *fmt; 86 87 va_start(ap); 88 eval = va_arg(ap, int); 89 fmt = va_arg(ap, const char *); 90 #endif 91 _verr(eval, fmt, ap); 92 va_end(ap); 93 } 94 95 96 __dead void 97 _verrx(eval, fmt, ap) 98 int eval; 99 const char *fmt; 100 va_list ap; 101 { 102 (void)fprintf(stderr, "%s: ", __progname); 103 if (fmt != NULL) 104 (void)vfprintf(stderr, fmt, ap); 105 (void)fprintf(stderr, "\n"); 106 exit(eval); 107 } 108 109 110 __dead void 111 #if __STDC__ 112 _errx(int eval, const char *fmt, ...) 113 #else 114 _errx(va_alist) 115 va_dcl 116 #endif 117 { 118 va_list ap; 119 #if __STDC__ 120 va_start(ap, fmt); 121 #else 122 int eval; 123 const char *fmt; 124 125 va_start(ap); 126 eval = va_arg(ap, int); 127 fmt = va_arg(ap, const char *); 128 #endif 129 _verrx(eval, fmt, ap); 130 va_end(ap); 131 } 132 133 134 void 135 _vwarn(fmt, ap) 136 const char *fmt; 137 va_list ap; 138 { 139 int sverrno; 140 141 sverrno = errno; 142 (void)fprintf(stderr, "%s: ", __progname); 143 if (fmt != NULL) { 144 (void)vfprintf(stderr, fmt, ap); 145 (void)fprintf(stderr, ": "); 146 } 147 (void)fprintf(stderr, "%s\n", strerror(sverrno)); 148 } 149 150 151 void 152 #if __STDC__ 153 _warn(const char *fmt, ...) 154 #else 155 _warn(va_alist) 156 va_dcl 157 #endif 158 { 159 va_list ap; 160 #if __STDC__ 161 va_start(ap, fmt); 162 #else 163 const char *fmt; 164 165 va_start(ap); 166 fmt = va_arg(ap, const char *); 167 #endif 168 _vwarn(fmt, ap); 169 va_end(ap); 170 } 171 172 173 void 174 _vwarnx(fmt, ap) 175 const char *fmt; 176 va_list ap; 177 { 178 (void)fprintf(stderr, "%s: ", __progname); 179 if (fmt != NULL) 180 (void)vfprintf(stderr, fmt, ap); 181 (void)fprintf(stderr, "\n"); 182 } 183 184 185 void 186 #ifdef __STDC__ 187 _warnx(const char *fmt, ...) 188 #else 189 _warnx(va_alist) 190 va_dcl 191 #endif 192 { 193 va_list ap; 194 #ifdef __STDC__ 195 va_start(ap, fmt); 196 #else 197 const char *fmt; 198 199 va_start(ap); 200 fmt = va_arg(ap, const char *); 201 #endif 202 _vwarnx(fmt, ap); 203 va_end(ap); 204 } 205
Indexes created Sun Sep 21 20:09:37 GMT 2025