/*
 * Debug Functions
 *
 * Copyright 2007-2008 Francesco Saverio Giudice <info / at /fsgiudice.com>
 *
 * 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 2, 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; see the file LICENSE.txt.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
 *
 * As a special exception, the Harbour Project gives permission for
 * additional uses of the text contained in its release of Harbour.
 *
 * The exception is that, if you link the Harbour libraries with other
 * files to produce an executable, this does not by itself cause the
 * resulting executable to be covered by the GNU General Public License.
 * Your use of that executable is in no way restricted on account of
 * linking the Harbour library code into it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the GNU General Public License.
 *
 * This exception applies only to the code released by the Harbour
 * Project under the name Harbour.  If you copy code from other
 * Harbour Project or Free Software Foundation releases into a copy of
 * Harbour, as the General Public License permits, the exception does
 * not apply to the code that you add in this way.  To avoid misleading
 * anyone as to the status of such modified files, you must delete
 * this exception notice from them.
 *
 * If you write modifications of your own for Harbour, it is your choice
 * whether to permit this exception to apply to your modifications.
 * If you do not wish that, delete this exception notice.
 *
 */

#include "fileio.ch"

STATIC s_lToOutDebug   := .T.
STATIC s_lToLogFile    := .T.
STATIC s_lEmptyLogFile := .T.

FUNCTION hb_ToOutDebugOnOff( lOnOff )

   LOCAL lOld := s_lToOutDebug

   IF HB_ISLOGICAL( lOnOff )
      s_lToOutDebug := lOnOff
   ENDIF

   RETURN lOld

PROCEDURE hb_ToOutDebug( ... )

   IF s_lToOutDebug
      hb_OutDebug( sprintf( ... ) )
   ENDIF

   RETURN

FUNCTION hb_ToLogFileOnOff( lOnOff )

   LOCAL lOld := s_lToLogFile

   IF HB_ISLOGICAL( lOnOff )
      s_lToLogFile := lOnOff
   ENDIF

   RETURN lOld

FUNCTION hb_EmptyLogFileOnOff( lOnOff )

   LOCAL lOld := s_lEmptyLogFile

   IF HB_ISLOGICAL( lOnOff )
      s_lEmptyLogFile := lOnOff
   ENDIF

   RETURN lOld

PROCEDURE hb_ToLogFile( cLogFile, ... )

   LOCAL nHandle

   IF ! s_lToLogFile
      RETURN
   ENDIF

   __defaultNIL( @cLogFile, "logfile.log" )

   IF cLogFile != NIL

      IF ! s_lEmptyLogFile .AND. hb_FileExists( cLogFile )
         nHandle := FOpen( cLogFile, FO_READWRITE + FO_SHARED )
      ELSE
         nHandle := FCreate( cLogFile )
         s_lEmptyLogFile := .F.
         // After I have create it I have to close and open in shared way
         IF FError() == 0 .AND. nHandle != F_ERROR
            FClose( nHandle )
            nHandle := FOpen( cLogFile, FO_READWRITE + FO_SHARED )
         ENDIF
      ENDIF

      // Writing
      IF nHandle != F_ERROR
         FSeek( nHandle, 0, FS_END )
         FWrite( nHandle, sprintf( ... ) )
         FWrite( nHandle, hb_eol() )
         FClose( nHandle )
      ENDIF
   ENDIF

   RETURN
