lib/libstand/strerror.c

   1 /*      $NetBSD: strerror.c,v 1.12 1997/01/25 00:37:50 cgd 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 "stand.h"
  33
  34 static struct
  35 {
  36     int         err;
  37     char        *msg;
  38 } errtab[] = {
  39     {0,         "no error"},
  40     /* standard errors */
  41     {EPERM,             "operation not permitted"},
  42     {ENOENT,            "no such file or directory"},
  43     {EIO,               "input/output error"},
  44     {ENXIO,             "device not configured"},
  45     {ENOEXEC,           "exec format error"},
  46     {EBADF,             "bad file descriptor"},
  47     {ENOMEM,            "cannot allocate memory"},
  48     {ENODEV,            "operation not supported by device"},
  49     {ENOTDIR,           "not a directory"},
  50     {EISDIR,            "is a directory"},
  51     {EINVAL,            "invalid argument"},
  52     {EMFILE,            "too many open files"},
  53     {EFBIG,             "file too large"},
  54     {EROFS,             "read-only filesystem"},
  55     {EOPNOTSUPP,        "operation not supported"},
  56     {ETIMEDOUT,         "operation timed out"},
  57     {ESTALE,            "stale NFS file handle"},
  58     {EBADRPC,           "RPC struct is bad"},
  59     {EFTYPE,            "inappropriate file type or format"},
  60
  61     {EADAPT,            "bad adaptor number"},
  62     {ECTLR,             "bad controller number"},
  63     {EUNIT,             "bad unit number"},
  64     {ESLICE,            "bad slice number"},
  65     {EPART,             "bad partition"},
  66     {ERDLAB,            "can't read disk label"},
  67     {EUNLAB,            "disk unlabelled"},
  68     {EOFFSET,           "illegal seek"},
  69     {0,         NULL}
  70 };
  71
  72
  73 char *
  74 strerror(int err)
  75 {
  76     static char msg[32];
  77     int         i;
  78
  79     for (i = 0; errtab[i].msg != NULL; i++)
  80         if (errtab[i].err == err)
  81             return(errtab[i].msg);
  82     sprintf(msg, "unknown error (%d)", err);
  83     return(msg);
  84 }