workbench/network/stacks/AROSTCP/netlib/err.c

   1 /*-
   2  * Copyright (c) 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  * Copyright (c) 2005
   5  *      Pavel Fedin
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <exec/types.h>
  37 #include <clib/netlib_protos.h>
  38 #include <sys/cdefs.h>
  39 //#include "namespace.h"
  40 #include <err.h>
  41 #include <errno.h>
  42 #include <stdarg.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 //#include "un-namespace.h"
  47
  48 //#include "libc_private.h"
  49
  50 extern STRPTR _ProgramName;
  51 static FILE *err_file; /* file to use for error output */
  52 static void (*err_exit)(int);
  53
  54 /*
  55  * This is declared to take a `void *' so that the caller is not required
  56  * to include <stdio.h> first.  However, it is really a `FILE *', and the
  57  * manual page documents it as such.
  58  */
  59 void
  60 err_set_file(void *fp)
  61 {
  62         if (fp)
  63                 err_file = fp;
  64         else
  65                 err_file = stderr;
  66 }
  67
  68 void
  69 err_set_exit(void (*ef)(int))
  70 {
  71         err_exit = ef;
  72 }
  73
  74 void
  75 err(int eval, const char *fmt, ...)
  76 {
  77         va_list ap;
  78         va_start(ap, fmt);
  79         verrc(eval, errno, fmt, ap);
  80         va_end(ap);
  81 }
  82
  83 void
  84 verr(eval, fmt, ap)
  85         int eval;
  86         const char *fmt;
  87         va_list ap;
  88 {
  89         verrc(eval, errno, fmt, ap);
  90 }
  91
  92 void
  93 errc(int eval, int code, const char *fmt, ...)
  94 {
  95         va_list ap;
  96         va_start(ap, fmt);
  97         verrc(eval, code, fmt, ap);
  98         va_end(ap);
  99 }
 100
 101 void
 102 verrc(eval, code, fmt, ap)
 103         int eval;
 104         int code;
 105         const char *fmt;
 106         va_list ap;
 107 {
 108         if (err_file == 0)
 109                 err_set_file((FILE *)0);
 110         fprintf(err_file, "%s: ", _ProgramName);
 111         if (fmt != NULL) {
 112                 vfprintf(err_file, fmt, ap);
 113                 fprintf(err_file, ": ");
 114         }
 115         fprintf(err_file, "%s\n", strerror(code));
 116         if (err_exit)
 117                 err_exit(eval);
 118         exit(eval);
 119 }
 120
 121 void
 122 errx(int eval, const char *fmt, ...)
 123 {
 124         va_list ap;
 125         va_start(ap, fmt);
 126         verrx(eval, fmt, ap);
 127         va_end(ap);
 128 }
 129
 130 void
 131 verrx(eval, fmt, ap)
 132         int eval;
 133         const char *fmt;
 134         va_list ap;
 135 {
 136         if (err_file == 0)
 137                 err_set_file((FILE *)0);
 138         fprintf(err_file, "%s: ", _ProgramName);
 139         if (fmt != NULL)
 140                 vfprintf(err_file, fmt, ap);
 141         fprintf(err_file, "\n");
 142         if (err_exit)
 143                 err_exit(eval);
 144         exit(eval);
 145 }
 146
 147 void
 148 warn(const char *fmt, ...)
 149 {
 150         va_list ap;
 151         va_start(ap, fmt);
 152         vwarnc(errno, fmt, ap);
 153         va_end(ap);
 154 }
 155
 156 void
 157 vwarn(fmt, ap)
 158         const char *fmt;
 159         va_list ap;
 160 {
 161         vwarnc(errno, fmt, ap);
 162 }
 163
 164 void
 165 warnc(int code, const char *fmt, ...)
 166 {
 167         va_list ap;
 168         va_start(ap, fmt);
 169         vwarnc(code, fmt, ap);
 170         va_end(ap);
 171 }
 172
 173 void
 174 vwarnc(code, fmt, ap)
 175         int code;
 176         const char *fmt;
 177         va_list ap;
 178 {
 179         if (err_file == 0)
 180                 err_set_file((FILE *)0);
 181         fprintf(err_file, "%s: ", _ProgramName);
 182         if (fmt != NULL) {
 183                 vfprintf(err_file, fmt, ap);
 184                 fprintf(err_file, ": ");
 185         }
 186         fprintf(err_file, "%s\n", strerror(code));
 187 }
 188
 189 void
 190 warnx(const char *fmt, ...)
 191 {
 192         va_list ap;
 193         va_start(ap, fmt);
 194         vwarnx(fmt, ap);
 195         va_end(ap);
 196 }
 197
 198 void
 199 vwarnx(fmt, ap)
 200         const char *fmt;
 201         va_list ap;
 202 {
 203         if (err_file == 0)
 204                 err_set_file((FILE *)0);
 205         fprintf(err_file, "%s: ", _ProgramName);
 206         if (fmt != NULL)
 207                 vfprintf(err_file, fmt, ap);
 208         fprintf(err_file, "\n");
 209 }