sys/lib/libsa/strerror.c

   1 /*      $NetBSD: strerror.c,v 1.20 2007/11/24 13:20:57 isaki Exp $      */
   2
   3 /*-
   4  * Copyright (c) 1993
   5  *      The Regents of the University of California.  All rights reserved.
   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. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/types.h>
  33 #include "saerrno.h"
  34 #include "stand.h"
  35
  36 static const struct mi {
  37         int     errno;
  38         const char *msg;
  39 } errlist[] = {
  40         { EADAPT,       "bad adaptor number" },
  41         { ECTLR,        "bad controller number" },
  42         { EUNIT,        "bad drive number" },
  43         { EPART,        "bad partition" },
  44         { ERDLAB,       "can't read disk label" },
  45         { EUNLAB,       "unlabeled" },
  46         { ENXIO,        "Device not configured" },
  47         { EPERM,        "Operation not permitted" },
  48         { ENOENT,       "No such file or directory" },
  49         { ESTALE,       "Stale NFS file handle" },
  50         { EFTYPE,       "Inappropriate file type or format" },
  51         { ENOEXEC,      "Exec format error" },
  52         { EIO,          "Input/output error" },
  53         { EINVAL,       "Invalid argument" },
  54         { ENOTDIR,      "Not a directory" },
  55         { EOFFSET,      "invalid file offset" },
  56         { EACCES,       "Permission denied" },
  57         { 0, 0 },
  58 };
  59
  60 char *
  61 strerror(int err)
  62 {
  63         static  char ebuf[36];
  64         const struct mi *mi;
  65
  66         for (mi = errlist; mi->msg; mi++)
  67                 if (mi->errno == err)
  68                         return __UNCONST(mi->msg);
  69
  70         snprintf(ebuf, sizeof ebuf, "Unknown error: code %d", err);
  71         return ebuf;
  72 }