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f18e6bef23
* js/maint-all-implies-HEAD: bundle: allow the same ref to be given more than once revision walker: include a detached HEAD in --all
87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
#ifndef OBJECT_H
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#define OBJECT_H
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struct object_list {
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struct object *item;
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struct object_list *next;
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};
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struct object_refs {
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unsigned count;
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struct object *ref[FLEX_ARRAY]; /* more */
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};
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struct object_array {
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unsigned int nr;
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unsigned int alloc;
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struct object_array_entry {
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struct object *item;
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const char *name;
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unsigned mode;
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} *objects;
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};
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#define TYPE_BITS 3
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#define FLAG_BITS 27
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/*
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* The object type is stored in 3 bits.
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*/
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struct object {
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unsigned parsed : 1;
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unsigned used : 1;
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unsigned type : TYPE_BITS;
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unsigned flags : FLAG_BITS;
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unsigned char sha1[20];
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};
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extern const char *typename(unsigned int type);
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extern int type_from_string(const char *str);
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extern unsigned int get_max_object_index(void);
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extern struct object *get_indexed_object(unsigned int);
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/*
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* This can be used to see if we have heard of the object before, but
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* it can return "yes we have, and here is a half-initialised object"
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* for an object that we haven't loaded/parsed yet.
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*
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* When parsing a commit to create an in-core commit object, its
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* parents list holds commit objects that represent its parents, but
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* they are expected to be lazily initialized and do not know what
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* their trees or parents are yet. When this function returns such a
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* half-initialised objects, the caller is expected to initialize them
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* by calling parse_object() on them.
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*/
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struct object *lookup_object(const unsigned char *sha1);
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extern void *create_object(const unsigned char *sha1, int type, void *obj);
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/** Returns the object, having parsed it to find out what it is. **/
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struct object *parse_object(const unsigned char *sha1);
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/* Given the result of read_sha1_file(), returns the object after
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* parsing it. eaten_p indicates if the object has a borrowed copy
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* of buffer and the caller should not free() it.
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*/
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struct object *parse_object_buffer(const unsigned char *sha1, enum object_type type, unsigned long size, void *buffer, int *eaten_p);
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/** Returns the object, with potentially excess memory allocated. **/
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struct object *lookup_unknown_object(const unsigned char *sha1);
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struct object_list *object_list_insert(struct object *item,
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struct object_list **list_p);
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void object_list_append(struct object *item,
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struct object_list **list_p);
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unsigned object_list_length(struct object_list *list);
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int object_list_contains(struct object_list *list, struct object *obj);
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/* Object array handling .. */
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void add_object_array(struct object *obj, const char *name, struct object_array *array);
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void add_object_array_with_mode(struct object *obj, const char *name, struct object_array *array, unsigned mode);
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void object_array_remove_duplicates(struct object_array *);
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#endif /* OBJECT_H */
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