/*

 *  LibXDiff by Davide Libenzi ( File Differential Library )

 *  Copyright (C) 2003  Davide Libenzi

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Lesser General Public

 *  License as published by the Free Software Foundation; either

 *  version 2.1 of the License, or (at your option) any later version.

 *

 *  This library 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

 *  Lesser General Public License for more details.

 *

 *  You should have received a copy of the GNU Lesser General Public

 *  License along with this library; if not, see

 *  <http://www.gnu.org/licenses/>.

 *

 *  Davide Libenzi <davidel@xmailserver.org>

 *

 */

#if !defined(XDIFFI_H)

#define XDIFFI_H

typedef struct s_diffdata {

	int64_t nrec;

	uint64_t const *ha;

	int64_t *rindex;

	char *rchg;

} diffdata_t;

typedef struct s_xdalgoenv {

	int64_t mxcost;

	int64_t snake_cnt;

	int64_t heur_min;

} xdalgoenv_t;

typedef struct s_xdchange {

	struct s_xdchange *next;

	int64_t i1, i2;

	int64_t chg1, chg2;

	int ignore;

} xdchange_t;

int xdl_recs_cmp(diffdata_t *dd1, int64_t off1, int64_t lim1,

		 diffdata_t *dd2, int64_t off2, int64_t lim2,

		 int64_t *kvdf, int64_t *kvdb, int need_min, xdalgoenv_t *xenv);

int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,

		xdfenv_t *xe);

int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, int64_t flags);

int xdl_build_script(xdfenv_t *xe, xdchange_t **xscr);

void xdl_free_script(xdchange_t *xscr);

#endif /* #if !defined(XDIFFI_H) */