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/*
* delta.h
*
* Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
* Copyright (c) 2007-2006 by Judd Vinet <jvinet@zeroflux.org>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ALPM_DELTA_H
#define _ALPM_DELTA_H
#include <sys/types.h> /* off_t */
#include "alpm.h"
struct __pmdelta_t {
/** filename of the delta patch */
char *delta;
/** md5sum of the delta file */
char *delta_md5;
/** filesize of the delta file */
off_t delta_size;
/** filename of the 'before' file */
char *from;
/** filename of the 'after' file */
char *to;
/** download filesize of the delta file */
off_t download_size;
};
pmdelta_t *_alpm_delta_parse(char *line);
void _alpm_delta_free(pmdelta_t *delta);
off_t _alpm_shortest_delta_path(alpm_list_t *deltas,
const char *to, alpm_list_t **path);
/* max percent of package size to download deltas */
#define MAX_DELTA_RATIO 0.7
#endif /* _ALPM_DELTA_H */
/* vim: set ts=2 sw=2 noet: */
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