libguile/strerror.c

   1 /* Turning errno values into English error messages.
   2    Copyright (C) 1985, 86, 87, 88, 93, 94, 95, 2000, 2001 Free Software Foundation, Inc.
   3
   4   This library is free software; you can redistribute it and/or
   5   modify it under the terms of the GNU Lesser General Public
   6   License as published by the Free Software Foundation; either
   7   version 2.1 of the License, or (at your option) any later version.
   8
   9   This library is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12   Lesser General Public License for more details.
  13
  14   You should have received a copy of the GNU Lesser General Public
  15   License along with this library; if not, write to the Free Software
  16   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17 */
  18
  19 char *
  20 strerror (int errnum)
  21 {
  22   extern char *sys_errlist[];
  23   extern int sys_nerr;
  24
  25   if (errnum >= 0 && errnum < sys_nerr)
  26     return sys_errlist[errnum];
  27   return (char *) "Unknown error";
  28 }
  29
  30 /*
  31   Local Variables:
  32   c-file-style: "gnu"
  33   End:
  34 */