libguile/strerror.c

   1 /* Turning errno values into English error messages.
   2    Copyright (C) 1985, 86, 87, 88, 93, 94, 95 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
  22    gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
  23
  24 char *
  25 strerror (int errnum)
  26 {
  27   extern char *sys_errlist[];
  28   extern int sys_nerr;
  29
  30   if (errnum >= 0 && errnum < sys_nerr)
  31     return sys_errlist[errnum];
  32   return (char *) "Unknown error";
  33 }
  34
  35 /*
  36   Local Variables:
  37   c-file-style: "gnu"
  38   End:
  39 */