6 struct object_list
*next
;
12 struct object_array_entry
{
15 * name or NULL. If non-NULL, the memory pointed to
16 * is owned by this object *except* if it points at
17 * object_array_slopbuf, which is a static copy of the
26 #define OBJECT_ARRAY_INIT { 0, 0, NULL }
30 * object flag allocation:
31 * revision.h: 0---------10 26
32 * fetch-pack.c: 0----5
34 * upload-pack.c: 4 11----------------19
35 * builtin/blame.c: 12-13
38 * http-push.c: 16-----19
41 * list-objects-filter.c: 21
42 * builtin/fsck.c: 0--3
43 * builtin/index-pack.c: 2021
44 * builtin/pack-objects.c: 20
45 * builtin/reflog.c: 10--12
46 * builtin/unpack-objects.c: 2021
51 * The object type is stored in 3 bits.
55 unsigned type
: TYPE_BITS
;
56 unsigned flags
: FLAG_BITS
;
60 extern const char *type_name(unsigned int type
);
61 extern int type_from_string_gently(const char *str
, ssize_t
, int gentle
);
62 #define type_from_string(str) type_from_string_gently(str, -1, 0)
65 * Return the current number of buckets in the object hashmap.
67 extern unsigned int get_max_object_index(void);
70 * Return the object from the specified bucket in the object hashmap.
72 extern struct object
*get_indexed_object(unsigned int);
75 * This can be used to see if we have heard of the object before, but
76 * it can return "yes we have, and here is a half-initialised object"
77 * for an object that we haven't loaded/parsed yet.
79 * When parsing a commit to create an in-core commit object, its
80 * parents list holds commit objects that represent its parents, but
81 * they are expected to be lazily initialized and do not know what
82 * their trees or parents are yet. When this function returns such a
83 * half-initialised objects, the caller is expected to initialize them
84 * by calling parse_object() on them.
86 struct object
*lookup_object(const unsigned char *sha1
);
88 extern void *create_object(const unsigned char *sha1
, void *obj
);
90 void *object_as_type(struct object
*obj
, enum object_type type
, int quiet
);
93 * Returns the object, having parsed it to find out what it is.
95 * Returns NULL if the object is missing or corrupt.
97 struct object
*parse_object(const struct object_id
*oid
);
100 * Like parse_object, but will die() instead of returning NULL. If the
101 * "name" parameter is not NULL, it is included in the error message
102 * (otherwise, the hex object ID is given).
104 struct object
*parse_object_or_die(const struct object_id
*oid
, const char *name
);
106 /* Given the result of read_sha1_file(), returns the object after
107 * parsing it. eaten_p indicates if the object has a borrowed copy
108 * of buffer and the caller should not free() it.
110 struct object
*parse_object_buffer(const struct object_id
*oid
, enum object_type type
, unsigned long size
, void *buffer
, int *eaten_p
);
112 /** Returns the object, with potentially excess memory allocated. **/
113 struct object
*lookup_unknown_object(const unsigned char *sha1
);
115 struct object_list
*object_list_insert(struct object
*item
,
116 struct object_list
**list_p
);
118 int object_list_contains(struct object_list
*list
, struct object
*obj
);
120 /* Object array handling .. */
121 void add_object_array(struct object
*obj
, const char *name
, struct object_array
*array
);
122 void add_object_array_with_path(struct object
*obj
, const char *name
, struct object_array
*array
, unsigned mode
, const char *path
);
125 * Returns NULL if the array is empty. Otherwise, returns the last object
126 * after removing its entry from the array. Other resources associated
127 * with that object are left in an unspecified state and should not be
130 struct object
*object_array_pop(struct object_array
*array
);
132 typedef int (*object_array_each_func_t
)(struct object_array_entry
*, void *);
135 * Apply want to each entry in array, retaining only the entries for
136 * which the function returns true. Preserve the order of the entries
139 void object_array_filter(struct object_array
*array
,
140 object_array_each_func_t want
, void *cb_data
);
143 * Remove from array all but the first entry with a given name.
144 * Warning: this function uses an O(N^2) algorithm.
146 void object_array_remove_duplicates(struct object_array
*array
);
149 * Remove any objects from the array, freeing all used memory; afterwards
150 * the array is ready to store more objects with add_object_array().
152 void object_array_clear(struct object_array
*array
);
154 void clear_object_flags(unsigned flags
);
157 * Clear the specified object flags from all in-core commit objects.
159 extern void clear_commit_marks_all(unsigned int flags
);
161 #endif /* OBJECT_H */