gen/err.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1993
  27  *      The Regents of the University of California.  All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer.
  34  * 2. Redistributions in binary form must reproduce the above copyright
  35  *    notice, this list of conditions and the following disclaimer in the
  36  *    documentation and/or other materials provided with the distribution.
  37  * 3. All advertising materials mentioning features or use of this software
  38  *    must display the following acknowledgement:
  39  *      This product includes software developed by the University of
  40  *      California, Berkeley and its contributors.
  41  * 4. Neither the name of the University nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  */
  57
  58
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <stdio.h>
  62 #include <stdlib.h>
  63 #include <string.h>
  64
  65 #include <crt_externs.h>
  66
  67 #ifdef __STDC__
  68 #include <stdarg.h>
  69 #else
  70 #include <varargs.h>
  71 #endif
  72
  73 __dead void
  74 #ifdef __STDC__
  75 err(int eval, const char *fmt, ...)
  76 #else
  77 err(eval, fmt, va_alist)
  78         int eval;
  79         const char *fmt;
  80         va_dcl
  81 #endif
  82 {
  83         va_list ap;
  84 #if __STDC__
  85         va_start(ap, fmt);
  86 #else
  87         va_start(ap);
  88 #endif
  89         verr(eval, fmt, ap);
  90         va_end(ap);
  91 }
  92
  93 __dead void
  94 verr(eval, fmt, ap)
  95         int eval;
  96         const char *fmt;
  97         va_list ap;
  98 {
  99         char* __progname = *(*_NSGetArgv());
 100         int sverrno;
 101
 102         sverrno = errno;
 103         (void)fprintf(stderr, "%s: ", __progname);
 104         if (fmt != NULL) {
 105                 (void)vfprintf(stderr, fmt, ap);
 106                 (void)fprintf(stderr, ": ");
 107         }
 108         (void)fprintf(stderr, "%s\n", strerror(sverrno));
 109         exit(eval);
 110 }
 111
 112 __dead void
 113 #if __STDC__
 114 errx(int eval, const char *fmt, ...)
 115 #else
 116 errx(eval, fmt, va_alist)
 117         int eval;
 118         const char *fmt;
 119         va_dcl
 120 #endif
 121 {
 122         va_list ap;
 123 #if __STDC__
 124         va_start(ap, fmt);
 125 #else
 126         va_start(ap);
 127 #endif
 128         verrx(eval, fmt, ap);
 129         va_end(ap);
 130 }
 131
 132 __dead void
 133 verrx(eval, fmt, ap)
 134         int eval;
 135         const char *fmt;
 136         va_list ap;
 137 {
 138         char* __progname = *(*_NSGetArgv());
 139         (void)fprintf(stderr, "%s: ", __progname);
 140         if (fmt != NULL)
 141                 (void)vfprintf(stderr, fmt, ap);
 142         (void)fprintf(stderr, "\n");
 143         exit(eval);
 144 }
 145
 146 void
 147 #if __STDC__
 148 warn(const char *fmt, ...)
 149 #else
 150 warn(fmt, va_alist)
 151         const char *fmt;
 152         va_dcl
 153 #endif
 154 {
 155         va_list ap;
 156 #if __STDC__
 157         va_start(ap, fmt);
 158 #else
 159         va_start(ap);
 160 #endif
 161         vwarn(fmt, ap);
 162         va_end(ap);
 163 }
 164
 165 void
 166 vwarn(fmt, ap)
 167         const char *fmt;
 168         va_list ap;
 169 {
 170         int sverrno = errno;
 171         char* __progname = *(*_NSGetArgv());
 172         (void)fprintf(stderr, "%s: ", __progname);
 173         if (fmt != NULL) {
 174                 (void)vfprintf(stderr, fmt, ap);
 175                 (void)fprintf(stderr, ": ");
 176         }
 177         (void)fprintf(stderr, "%s\n", strerror(sverrno));
 178 }
 179
 180 void
 181 #ifdef __STDC__
 182 warnx(const char *fmt, ...)
 183 #else
 184 warnx(fmt, va_alist)
 185         const char *fmt;
 186         va_dcl
 187 #endif
 188 {
 189         va_list ap;
 190 #ifdef __STDC__
 191         va_start(ap, fmt);
 192 #else
 193         va_start(ap);
 194 #endif
 195         vwarnx(fmt, ap);
 196         va_end(ap);
 197 }
 198
 199 void
 200 vwarnx(fmt, ap)
 201         const char *fmt;
 202         va_list ap;
 203 {
 204         char* __progname = *(*_NSGetArgv());
 205         (void)fprintf(stderr, "%s: ", __progname);
 206         if (fmt != NULL)
 207                 (void)vfprintf(stderr, fmt, ap);
 208         (void)fprintf(stderr, "\n");
 209 }