2 * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
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.
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.
17 struct got_zstream_buf {
24 #define GOT_ZSTREAM_F_HAVE_MORE 0x01
27 struct got_object_id {
28 u_int8_t sha1[SHA1_DIGEST_LENGTH];
31 struct got_blob_object {
33 struct got_zstream_buf zb;
38 #define GOT_BLOB_F_COMPRESSED 0x01
39 struct got_object_id id;
42 struct got_tree_entry {
43 SIMPLEQ_ENTRY(got_tree_entry) entry;
46 struct got_object_id id;
49 struct got_tree_object {
51 SIMPLEQ_HEAD(, got_tree_entry) entries;
54 struct got_parent_id {
55 SIMPLEQ_ENTRY(got_parent_id) entry;
56 struct got_object_id id;
59 SIMPLEQ_HEAD(got_parent_id_list, got_parent_id);
61 struct got_commit_object {
62 struct got_object_id tree_id;
63 unsigned int nparents;
64 SIMPLEQ_HEAD(, got_parent_id) parent_ids;
71 #define GOT_OBJ_TYPE_COMMIT 1
72 #define GOT_OBJ_TYPE_TREE 2
73 #define GOT_OBJ_TYPE_BLOB 3
74 #define GOT_OBJ_TYPE_TAG 4
76 #define GOT_OBJ_TYPE_OFFSET_DELTA 6
77 #define GOT_OBJ_TYPE_REF_DELTA 7
79 struct got_repository;
81 char *got_object_id_str(struct got_object_id *, char *, size_t);
82 int got_object_id_cmp(struct got_object_id *, struct got_object_id *);
83 int got_object_get_type(struct got_object *);
84 const struct got_error *got_object_open(struct got_object **,
85 struct got_repository *, struct got_object_id *);
86 void got_object_close(struct got_object *);
87 const struct got_error *got_object_commit_open(struct got_commit_object **,
88 struct got_repository *, struct got_object *);
89 void got_object_commit_close(struct got_commit_object *);
90 const struct got_error *got_object_tree_open(struct got_tree_object **,
91 struct got_repository *, struct got_object *);
92 void got_object_tree_close(struct got_tree_object *);
93 const struct got_error *got_object_blob_open(struct got_blob_object **,
94 struct got_repository *, struct got_object *, size_t);
95 void got_object_blob_close(struct got_blob_object *);
96 const struct got_error *got_object_blob_read_block(size_t *,
97 struct got_blob_object *);