1 /*
2  * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 struct got_delta_base {
18 	SIMPLEQ_ENTRY(got_delta_base) entry;
19 	char *path_packfile;
20 	off_t offset;
21 	int type;
22 	size_t delta_size;
23 };
24 
25 struct got_delta_chain {
26 	int nentries;
27 	SIMPLEQ_HEAD(, got_delta_base) entries;
28 };
29 
30 struct got_delta_base *got_delta_base_open(const char *, int, off_t, size_t);
31 void got_delta_base_close(struct got_delta_base *);
32 const struct got_error *got_delta_chain_get_base_type(int *,
33     struct got_delta_chain *) ;
34 const struct got_error *
35 got_delta_apply(struct got_repository *, FILE *, size_t, struct got_object *,
36     FILE *);