/*
 *	Ivy League
 *
 *	Error management
 *
 *	Copyright 1990-2000
 *	Laboratoire de Recherche en Informatique (LRI)
 *	Centre d'Etudes de la Navigation Aerienne (CENA)
 *
 *	original code by Michel Beaudouin-Lafon,
 *	maintained by Stephane Chatty
 *
 *	$Id$
 *
 */

#ifndef IvlError_H_
#define IvlError_H_

#include "cplus_bugs.h"
#include "ivl/bool.h"

#ifdef DOC
//	fake class for global functions
class IvlError {
};
#endif

enum errtype {
	ErrNone = -4,	// do nothing
	ErrLog = -3,	// only log to file
	ErrWarn = -2,	// warn and continue
	ErrAbort = -1,	// call abort
	ErrExit = 0,	// exit with code 0
	ErrUsage = 1,	// bad usage
	ErrFatal = 2	// exit with code != 0
};

enum errcode {
	ErrShouldImplement
};

extern char *ErrorTable [];

typedef errtype (*ErrorHandler) (errtype, const char* who, const char* what, const char* msg);
typedef void (*CleanUpProc) ();

extern	void	ProgramName (const char*);
extern	void	LogfileName (const char*, bool = false);
extern	void	CleanUp (CleanUpProc);
extern	ErrorHandler	SetErrorHandler (ErrorHandler);

extern	void	Error (errtype, const char* who, const char* what);
extern	bool	SysError (errtype, const char* who, int exc1 = -1, int exc2 = -1);
extern	char*	MakeErrorString (errtype, const char* who, const char* what);
extern	void	LogMessage (const char*);

extern int errno;

#endif /* IvlError_H_ */