/* Safe DB I/O
   Copyright (C) 2007 Sergey Poznyakoff

   This program 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, or (at your option)
   any later version.

   This program 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 this program .  If not, see <http://www.gnu.org/licenses/>. */

#include_once <status.mfh>

func safedbget(string name, string key ; string defval, number null)
  returns string
do
  catch dbfailure
  do
    return ""
  done
  if not defined(null)
    set null 0
    if not defined(defval)
      set defval ""
    fi
  fi
  return dbget(%name, %key, %defval, %null)
done

func safedbput(string name, string key, string value ; number null)
do
  catch dbfailure
  do
    return
  done
  if not defined(null)
    set null 0
  fi
  dbput(%name, %key, %value, %null)
done