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cpl_error.h

/**********************************************************************
 * $Id: cpl_error.h,v 1.6 1999/02/17 05:40:47 danmo Exp $
 *
 * Name:     cpl_error.h
 * Project:  CPL - Common Portability Library
 * Purpose:  CPL Error handling
 * Author:   Daniel Morissette, dmorissette@mapgears.com
 *
 **********************************************************************
 * Copyright (c) 1998, Daniel Morissette
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
 * DEALINGS IN THE SOFTWARE.
 **********************************************************************
 *
 * $Log: cpl_error.h,v $
 * Revision 1.6  1999/02/17 05:40:47  danmo
 * Fixed CPLAssert() macro to work with EGCS.
 *
 * Revision 1.5  1999/01/11 15:34:29  warmerda
 * added reserved range comment
 *
 * Revision 1.4  1998/12/15 19:02:27  warmerda
 * Avoid use of errno as a variable
 *
 * Revision 1.3  1998/12/06 22:20:42  warmerda
 * Added error code.
 *
 * Revision 1.2  1998/12/06 02:52:52  warmerda
 * Implement assert support
 *
 * Revision 1.1  1998/12/03 18:26:02  warmerda
 * New
 *
 **********************************************************************/

#ifndef _CPL_ERROR_H_INCLUDED_
#define _CPL_ERROR_H_INCLUDED_

#include "cpl_port.h"

/*=====================================================================
                   Error handling functions (cpl_error.c)
 =====================================================================*/
CPL_C_START

typedef enum
{
    CE_None = 0,
    CE_Log = 1,
    CE_Warning = 2,
    CE_Failure = 3,
    CE_Fatal = 4
  
} CPLErr;

void CPL_DLL CPLError(CPLErr eErrClass, int err_no, const char *fmt, ...);
void CPL_DLL CPLErrorReset();
int CPL_DLL CPLGetLastErrorNo();
const char CPL_DLL * CPLGetLastErrorMsg();
void CPL_DLL CPLSetErrorHandler(void(*pfnErrorHandler)(CPLErr,int,
                                                       const char *));
void CPL_DLL _CPLAssert( const char *, const char *, int );

#ifdef DEBUG
#  define CPLAssert(expr)  ((expr) ? (void)(0) : _CPLAssert(#expr,__FILE__,__LINE__))
#else
#  define CPLAssert(expr)
#endif

CPL_C_END

/* ==================================================================== */
/*      Well known error codes.                                         */
/* ==================================================================== */

#define CPLE_AppDefined             1
#define CPLE_OutOfMemory            2
#define CPLE_FileIO                 3
#define CPLE_OpenFailed             4
#define CPLE_IllegalArg             5
#define CPLE_NotSupported           6
#define CPLE_AssertionFailed        7
#define CPLE_NoWriteAccess          8

/* 100 - 299 reserved for GDAL */

#endif /* _CPL_ERROR_H_INCLUDED_ */

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