1 /*
2  * Copyright (c) 2018, 2019, 2020 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_pathlist_head;
18 
19 /*
20  * Write the string representation fo an object ID in the given buffer.
21  * This buffer must be at least GOT_OBJECT_ID_HEX_MAXLEN bytes in size.
22  * The output depneds on the hash function used by the repository format.
23  */
24 char *got_object_id_hex(struct got_object_id *, char *, size_t);
25 
26 const struct got_error *got_object_qid_alloc_partial(struct got_object_qid **);
27 struct got_commit_object *got_object_commit_alloc_partial(void);
28 struct got_tree_entry *got_alloc_tree_entry_partial(void);
29 
30 const struct got_error *got_object_parse_commit(struct got_commit_object **,
31     char *, size_t, enum got_hash_algorithm);
32 const struct got_error *got_object_read_commit(struct got_commit_object **, int,
33     struct got_object_id *, size_t);
34 
35 struct got_parsed_tree_entry {
36 	const char *name; /* Points to name in parsed buffer */
37 	size_t namelen; /* strlen(name) */
38 	mode_t mode; /* Mode parsed from tree buffer. */
39 	uint8_t *id; /* Points to ID in parsed tree buffer. */
40 	size_t idlen;
41 	int algo;
42 };
43 const struct got_error *got_object_parse_tree(struct got_parsed_tree_entry **,
44     size_t *, size_t *, uint8_t *, size_t, enum got_hash_algorithm);
45 const struct got_error *got_object_read_tree(struct got_parsed_tree_entry **,
46     size_t *, size_t *, uint8_t **, int, struct got_object_id *);
47 
48 const struct got_error *got_object_parse_tag(struct got_tag_object **,
49     uint8_t *, size_t, enum got_hash_algorithm);
50 const struct got_error *got_object_read_tag(struct got_tag_object **, int,
51     struct got_object_id *, size_t);
52 const struct got_error *got_read_file_to_mem(uint8_t **, size_t *, FILE *);
53 
54 struct got_pack;
55 struct got_packidx;
56 struct got_inflate_checksum;
57 
58 const struct got_error *got_object_parse_header(struct got_object **, char *,
59     size_t);
60 const struct got_error *got_object_read_header(struct got_object **, int);
61 const struct got_error *got_object_read_raw(uint8_t **, off_t *,
62     size_t *, size_t, int, struct got_object_id *, int);