2 * Copyright (c) 2017 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;
35 struct got_object_id id;
38 struct got_tree_entry {
39 SIMPLEQ_ENTRY(got_tree_entry) entry;
42 struct got_object_id id;
45 struct got_tree_object {
47 SIMPLEQ_HEAD(, got_tree_entry) entries;
50 struct got_parent_id {
51 SIMPLEQ_ENTRY(got_parent_id) entry;
52 struct got_object_id id;
55 SIMPLEQ_HEAD(got_parent_id_list, got_parent_id);
57 struct got_commit_object {
58 struct got_object_id tree_id;
59 unsigned int nparents;
60 SIMPLEQ_HEAD(, got_parent_id) parent_ids;
68 #define GOT_OBJ_TYPE_COMMIT 1
69 #define GOT_OBJ_TYPE_TREE 2
70 #define GOT_OBJ_TYPE_BLOB 3
74 struct got_object_id id;
77 struct got_repository;
79 char * got_object_id_str(struct got_object_id *, char *, size_t);
80 const struct got_error *got_object_open(struct got_object **,
81 struct got_repository *, struct got_object_id *);
82 void got_object_close(struct got_object *);
83 const struct got_error *got_object_commit_open(struct got_commit_object **,
84 struct got_repository *, struct got_object *);
85 void got_object_commit_close(struct got_commit_object *);
86 const struct got_error *got_object_tree_open(struct got_tree_object **,
87 struct got_repository *, struct got_object *);
88 void got_object_tree_close(struct got_tree_object *);
89 const struct got_error *got_object_blob_open(struct got_blob_object **,
90 struct got_repository *, struct got_object *, size_t);
91 void got_object_blob_close(struct got_blob_object *);
92 const struct got_error *got_object_blob_read_block(struct got_blob_object *,