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/********************************************************************** 
 * $Id: cpl_error.h,v 1.17 2005/04/04 15:23:31 fwarmerdam Exp $ 
 * 
 * Name:     cpl_error.h 
 * Project:  CPL - Common Portability Library 
 * Purpose:  CPL Error handling 
 * Author:   Daniel Morissette, danmo@videotron.ca 
 * 
 ********************************************************************** 
 * 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 1.17  2005/04/04 15:23:31  fwarmerdam 
 * some functions now CPL_STDCALL 
 * 
 * Revision 1.16  2001/11/02 22:07:58  warmerda 
 * added logging error handler 
 * 
 * Revision 1.15  2001/01/19 21:16:41  warmerda 
 * expanded tabs 
 * 
 * Revision 1.14  2000/11/30 17:30:10  warmerda 
 * added CPLGetLastErrorType 
 * 
 * Revision 1.13  2000/08/24 18:08:17  warmerda 
 * made default and quiet error handlers public on windows 
 * 
 * Revision 1.12  2000/06/26 21:44:07  warmerda 
 * added CPLE_UserInterrupt for progress terminations 
 * 
 * Revision 1.11  2000/03/31 14:11:55  warmerda 
 * added CPLErrorV 
 * 
 * Revision 1.10  2000/01/10 17:35:45  warmerda 
 * added push down stack of error handlers 
 * 
 * Revision 1.9  1999/07/23 14:27:47  warmerda 
 * CPLSetErrorHandler returns old handler 
 * 
 * Revision 1.8  1999/05/20 14:59:05  warmerda 
 * added CPLDebug() 
 * 
 * Revision 1.7  1999/05/20 02:54:38  warmerda 
 * Added API documentation 
 * 
 * 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) 
 =====================================================================*/ 
 
/** 
 * \file cpl_error.h 
 * 
 * CPL error handling services. 
 */ 
   
CPL_C_START 
 
typedef enum 
{ 
    CE_None = 0, 
    CE_Debug = 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 CPLErrorV(CPLErr, int, const char *, va_list ); 
void CPL_DLL CPL_STDCALL CPLErrorReset(); 
int CPL_DLL CPL_STDCALL CPLGetLastErrorNo(); 
CPLErr CPL_DLL CPL_STDCALL CPLGetLastErrorType(); 
const char CPL_DLL * CPL_STDCALL CPLGetLastErrorMsg(); 
 
typedef void (CPL_STDCALL *CPLErrorHandler)(CPLErr, int, const char*); 
CPLErrorHandler CPL_DLL CPL_STDCALL CPLSetErrorHandler(CPLErrorHandler); 
void CPL_DLL CPL_STDCALL CPLPushErrorHandler( CPLErrorHandler ); 
void CPL_DLL CPL_STDCALL CPLPopErrorHandler(); 
void CPL_DLL CPL_STDCALL CPLDefaultErrorHandler( CPLErr, int, const char * ); 
void CPL_DLL CPL_STDCALL CPLQuietErrorHandler( CPLErr, int, const char * ); 
void CPL_DLL CPL_STDCALL CPLLoggingErrorHandler( CPLErr, int, const char * ); 
 
void CPL_DLL CPL_STDCALL CPLDebug( const char *, const char *, ... ); 
void CPL_DLL CPL_STDCALL _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_None                       0 
#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 
#define CPLE_UserInterrupt              9 
 
/* 100 - 299 reserved for GDAL */ 
 
#endif /* _CPL_ERROR_H_INCLUDED_ */