4 struct parsed_object_pool
{
5 struct object
**obj_hash
;
6 int nr_objs
, obj_hash_size
;
8 /* TODO: migrate alloc_states to mem-pool? */
9 struct alloc_state
*blob_state
;
10 struct alloc_state
*tree_state
;
11 struct alloc_state
*commit_state
;
12 struct alloc_state
*tag_state
;
13 struct alloc_state
*object_state
;
14 unsigned commit_count
;
16 /* parent substitutions from .git/info/grafts and .git/shallow */
17 struct commit_graft
**grafts
;
18 int grafts_alloc
, grafts_nr
;
21 struct stat_validity
*shallow_stat
;
22 char *alternate_shallow_file
;
24 int commit_graft_prepared
;
27 struct parsed_object_pool
*parsed_object_pool_new(void);
28 void parsed_object_pool_clear(struct parsed_object_pool
*o
);
32 struct object_list
*next
;
38 struct object_array_entry
{
41 * name or NULL. If non-NULL, the memory pointed to
42 * is owned by this object *except* if it points at
43 * object_array_slopbuf, which is a static copy of the
52 #define OBJECT_ARRAY_INIT { 0, 0, NULL }
56 * object flag allocation:
57 * revision.h: 0---------10 26
58 * fetch-pack.c: 0----5
60 * upload-pack.c: 4 11----------------19
61 * builtin/blame.c: 12-13
64 * http-push.c: 16-----19
67 * list-objects-filter.c: 21
68 * builtin/fsck.c: 0--3
69 * builtin/index-pack.c: 2021
70 * builtin/pack-objects.c: 20
71 * builtin/reflog.c: 10--12
72 * builtin/unpack-objects.c: 2021
77 * The object type is stored in 3 bits.
81 unsigned type
: TYPE_BITS
;
82 unsigned flags
: FLAG_BITS
;
86 extern const char *type_name(unsigned int type
);
87 extern int type_from_string_gently(const char *str
, ssize_t
, int gentle
);
88 #define type_from_string(str) type_from_string_gently(str, -1, 0)
91 * Return the current number of buckets in the object hashmap.
93 extern unsigned int get_max_object_index(void);
96 * Return the object from the specified bucket in the object hashmap.
98 extern struct object
*get_indexed_object(unsigned int);
101 * This can be used to see if we have heard of the object before, but
102 * it can return "yes we have, and here is a half-initialised object"
103 * for an object that we haven't loaded/parsed yet.
105 * When parsing a commit to create an in-core commit object, its
106 * parents list holds commit objects that represent its parents, but
107 * they are expected to be lazily initialized and do not know what
108 * their trees or parents are yet. When this function returns such a
109 * half-initialised objects, the caller is expected to initialize them
110 * by calling parse_object() on them.
112 struct object
*lookup_object(const unsigned char *sha1
);
114 extern void *create_object(struct repository
*r
, const unsigned char *sha1
, void *obj
);
116 void *object_as_type(struct object
*obj
, enum object_type type
, int quiet
);
119 * Returns the object, having parsed it to find out what it is.
121 * Returns NULL if the object is missing or corrupt.
123 struct object
*parse_object(const struct object_id
*oid
);
126 * Like parse_object, but will die() instead of returning NULL. If the
127 * "name" parameter is not NULL, it is included in the error message
128 * (otherwise, the hex object ID is given).
130 struct object
*parse_object_or_die(const struct object_id
*oid
, const char *name
);
132 /* Given the result of read_sha1_file(), returns the object after
133 * parsing it. eaten_p indicates if the object has a borrowed copy
134 * of buffer and the caller should not free() it.
136 struct object
*parse_object_buffer(const struct object_id
*oid
, enum object_type type
, unsigned long size
, void *buffer
, int *eaten_p
);
138 /** Returns the object, with potentially excess memory allocated. **/
139 struct object
*lookup_unknown_object(const unsigned char *sha1
);
141 struct object_list
*object_list_insert(struct object
*item
,
142 struct object_list
**list_p
);
144 int object_list_contains(struct object_list
*list
, struct object
*obj
);
146 /* Object array handling .. */
147 void add_object_array(struct object
*obj
, const char *name
, struct object_array
*array
);
148 void add_object_array_with_path(struct object
*obj
, const char *name
, struct object_array
*array
, unsigned mode
, const char *path
);
151 * Returns NULL if the array is empty. Otherwise, returns the last object
152 * after removing its entry from the array. Other resources associated
153 * with that object are left in an unspecified state and should not be
156 struct object
*object_array_pop(struct object_array
*array
);
158 typedef int (*object_array_each_func_t
)(struct object_array_entry
*, void *);
161 * Apply want to each entry in array, retaining only the entries for
162 * which the function returns true. Preserve the order of the entries
165 void object_array_filter(struct object_array
*array
,
166 object_array_each_func_t want
, void *cb_data
);
169 * Remove from array all but the first entry with a given name.
170 * Warning: this function uses an O(N^2) algorithm.
172 void object_array_remove_duplicates(struct object_array
*array
);
175 * Remove any objects from the array, freeing all used memory; afterwards
176 * the array is ready to store more objects with add_object_array().
178 void object_array_clear(struct object_array
*array
);
180 void clear_object_flags(unsigned flags
);
183 * Clear the specified object flags from all in-core commit objects.
185 extern void clear_commit_marks_all(unsigned int flags
);
187 #endif /* OBJECT_H */