/* $Id: cpl_error_impl.h,v 1.7 2007/06/18 15:09:37 llundin Exp $
 *
 * This file is part of the ESO Common Pipeline Library
 * Copyright (C) 2001-2005 European Southern Observatory
 *
 * 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 of the License, 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
 * $Author: llundin $
 * $Date: 2007/06/18 15:09:37 $
 * $Revision: 1.7 $
 * $Name:  $
 */

#ifndef CPL_ERROR_IMPL_H
#define CPL_ERROR_IMPL_H

#include "cpl_error.h"

#include "cpl_type.h"

CPL_BEGIN_DECLS

/*-----------------------------------------------------------------------------
                                   Define
 -----------------------------------------------------------------------------*/
/*
 *  As the error handler itself should never fail, it cannot rely on
 *  allocating memory dynamically. Therefore, define max limits for
 *  string lengths, size of error queue.
 */

#ifdef PATH_MAX
#define MAX_FILE_LENGTH PATH_MAX
#else
#define MAX_FILE_LENGTH 4096
#endif

#define MAX_NAME_LENGTH 50

struct _cpl_error_ {
    cpl_error_code  code;
    unsigned        line;
    char            function[MAX_NAME_LENGTH+1];
    char            file[MAX_FILE_LENGTH+1];
    char            msg[CPL_ERROR_MAX_MESSAGE_LENGTH];
};

/*-----------------------------------------------------------------------------
                       Prototypes of private functions 
 -----------------------------------------------------------------------------*/

cpl_error * cpl_errorstate_append(void);
const cpl_error * cpl_errorstate_find(void);

cpl_boolean cpl_error_is_set(void);
cpl_boolean cpl_error_is_readonly(void);
void cpl_error_set_readonly(void);
void cpl_error_reset_readonly(void);

CPL_END_DECLS

#endif
/* end of cpl_error_impl.h */