#! /bin/sh
#
# Copyright (C) 2005-2015 John W. Eaton
#
# This file is part of Octave.
#
# Octave is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at
# your option) any later version.
#
# Octave is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with Octave; see the file COPYING.  If not, see
# <http://www.gnu.org/licenses/>.

if [ $# -ne 2 ]; then
  echo "usage: get-errno-list [--perl PERL|--python PYTHON]" 1>&2
  exit 1
fi

if [ $1 = "--perl" ]; then
  PERL="$2";
  $PERL -e 'foreach $key (keys(%!)) {
    $x .= "#if defined ($key)\n    { \"$key\", $key, },\n#endif\n";
  }
  while (<>) {
    s/^ *\@SYSDEP_ERRNO_LIST\@/$ x/;
    print;
  }'

elif [ $1 = "--python" ]; then
  PYTHON="$2";
  $PYTHON -c '
from errno import errorcode
from sys import stdin

t = "#if defined (%s)\n    { \"%s\", %s, },\n#endif\n"
errstr = ""
for k in errorcode.keys ():
    errstr += t % tuple(3*[errorcode[k]])

for l in stdin:
    print l.replace("@SYSDEP_ERRNO_LIST@", errstr),
'
fi

exit $?