File: method.h

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nwipe 0.26-1
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/*
 *  methods.c: Method implementations for nwipe.
 *
 *  Copyright Darik Horn <dajhorn-dban@vanadac.com>.
 *  
 *  Modifications to original dwipe Copyright Andy Beverley <andy@andybev.com>
 *
 *  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, version 2.
 *
 *  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.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 
 *
 */


#ifndef METHOD_H_
#define METHOD_H_

/* The argument list for nwipe methods. */
#define NWIPE_METHOD_SIGNATURE nwipe_context_t* c

typedef enum nwipe_verify_t_
{
	NWIPE_VERIFY_NONE = 0,  /* Do not read anything back from the device. */
	NWIPE_VERIFY_LAST,      /* Check the last pass.                       */
	NWIPE_VERIFY_ALL,       /* Check all passes.                          */
} nwipe_verify_t;

/* The typedef of the function that will do the wipe. */
typedef int(*nwipe_method_t)( void *ptr );

typedef struct /* nwipe_pattern_t */
{
	int   length;  /* Length of the pattern in bytes, -1 means random.  */
	char* s;       /* The actual bytes of the pattern.                  */
} nwipe_pattern_t;

const char* nwipe_method_label( void* method );
int nwipe_runmethod( NWIPE_METHOD_SIGNATURE, nwipe_pattern_t* patterns );

void *nwipe_dod522022m( void *ptr );
void *nwipe_dodshort( void *ptr );
void *nwipe_gutmann( void *ptr );
void *nwipe_ops2( void *ptr );
void *nwipe_random( void *ptr );
void *nwipe_zero( void *ptr );

#endif /* METHOD_H_ */

/* eof */