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. 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 "stand.h"
  37
  38 static struct
  39 {
  40     int         err;
  41     char        *msg;
  42 } errtab[] = {
  43     {0,         "no error"},
  44     /* standard errors */
  45     {EPERM,             "operation not permitted"},
  46     {ENOENT,            "no such file or directory"},
  47     {EIO,               "input/output error"},
  48     {ENXIO,             "device not configured"},
  49     {ENOEXEC,           "exec format error"},
  50     {EBADF,             "bad file descriptor"},
  51     {ENOMEM,            "cannot allocate memory"},
  52     {ENODEV,            "operation not supported by device"},
  53     {ENOTDIR,           "not a directory"},
  54     {EISDIR,            "is a directory"},
  55     {EINVAL,            "invalid argument"},
  56     {EMFILE,            "too many open files"},
  57     {EFBIG,             "file too large"},
  58     {EROFS,             "read-only filesystem"},
  59     {EOPNOTSUPP,        "operation not supported"},
  60     {ETIMEDOUT,         "operation timed out"},
  61     {ESTALE,            "stale NFS file handle"},
  62     {EBADRPC,           "RPC struct is bad"},
  63     {EFTYPE,            "inappropriate file type or format"},
  64
  65     {EADAPT,            "bad adaptor number"},
  66     {ECTLR,             "bad controller number"},
  67     {EUNIT,             "bad unit number"},
  68     {ESLICE,            "bad slice number"},
  69     {EPART,             "bad partition"},
  70     {ERDLAB,            "can't read disk label"},
  71     {EUNLAB,            "disk unlabelled"},
  72     {EOFFSET,           "illegal seek"},
  73     {0,         NULL}
  74 };
  75
  76
  77 char *
  78 strerror(int err)
  79 {
  80     static char msg[32];
  81     int         i;
  82
  83     for (i = 0; errtab[i].msg != NULL; i++)
  84         if (errtab[i].err == err)
  85             return(errtab[i].msg);
  86     sprintf(msg, "unknown error (%d)", err);
  87     return(msg);
  88 }