/*

 * Mach Operating System

 * Copyright (c) 1991,1990,1989 Carnegie Mellon University

 * All Rights Reserved.

 *

 * Permission to use, copy, modify and distribute this software and its

 * documentation is hereby granted, provided that both the copyright

 * notice and this permission notice appear in all copies of the

 * software, derivative works or modified versions, and any portions

 * thereof, and that both notices appear in supporting documentation.

 *

 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"

 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR

 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.

 *

 * Carnegie Mellon requests users of this software to return to

 *

 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU

 *  School of Computer Science

 *  Carnegie Mellon University

 *  Pittsburgh PA 15213-3890

 *

 * any improvements or extensions that they make and grant Carnegie Mellon

 * the rights to redistribute these changes.

 */

/*

 * (pre-GNU) HISTORY

 *

 * Revision 2.3  92/04/01  19:38:18  rpd

 * 	Updated do_compat for kernel device errors,

 * 	bootstrap file-system errors.

 * 	[92/03/09            rpd]

 *

 * Revision 2.2  92/02/20  15:58:08  elf

 * 	Created from mach_error.c.

 * 	[92/02/11            rpd]

 *

 */

#define EXPORT_BOOLEAN

#include <mach/boolean.h>

#include <mach/error.h>

#include <mach_error.h>

#include <errorlib.h>

extern void __mach_error_map_compat (mach_error_t *);

const char *

mach_error_type(mach_error_t err)

{

	int sub, system;

	__mach_error_map_compat( &err );

	sub = err_get_sub(err);

	system = err_get_system(err);

	if (system > err_max_system

	||  sub >= errors[system].max_sub ) return( "(?/?)" );

	return( errors[system].subsystem[sub].subsys_name );

}

libc_hidden_def (mach_error_type)

boolean_t mach_error_full_diag = FALSE;

const char *

mach_error_string_int(mach_error_t	err,

		      boolean_t		* diag)

{

	int sub, system, code;

	__mach_error_map_compat( &err );

	sub = err_get_sub(err);

	system = err_get_system(err);

	code = err_get_code(err);

	*diag = TRUE;

	if (system > err_max_system) return( "(?/?) unknown error system" );

	if (sub >= errors[system].max_sub) return( errors[system].bad_sub );

	if (code >= errors[system].subsystem[sub].max_code) return ( NO_SUCH_ERROR );

	*diag = mach_error_full_diag;

	return( errors[system].subsystem[sub].codes[code] );

}

const char *

mach_error_string(mach_error_t err)

{

	boolean_t diag;

	return mach_error_string_int( err, &diag );

}