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75 lines
1.9 KiB
75 lines
1.9 KiB
#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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const char *name; |
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}; |
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struct object_refs { |
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unsigned count; |
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struct object *base; |
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struct object *ref[FLEX_ARRAY]; /* more */ |
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}; |
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#define TYPE_BITS 3 |
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#define FLAG_BITS 27 |
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#define TYPE_NONE 0 |
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#define TYPE_BLOB 1 |
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#define TYPE_TREE 2 |
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#define TYPE_COMMIT 3 |
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#define TYPE_TAG 4 |
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#define TYPE_BAD 5 |
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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 int track_object_refs; |
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extern int obj_allocs; |
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extern struct object **objs; |
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extern const char *type_names[]; |
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static inline const char *typename(unsigned int type) |
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{ |
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return type_names[type > TYPE_TAG ? TYPE_BAD : type]; |
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} |
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extern struct object_refs *lookup_object_refs(struct object *); |
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/** Internal only **/ |
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struct object *lookup_object(const unsigned char *sha1); |
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/** Returns the object, having looked it up as being the given type. **/ |
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struct object *lookup_object_type(const unsigned char *sha1, const char *type); |
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void created_object(const unsigned char *sha1, struct object *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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/** 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_refs *alloc_object_refs(unsigned count); |
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void set_object_refs(struct object *obj, struct object_refs *refs); |
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void mark_reachable(struct object *obj, unsigned int mask); |
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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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#endif /* OBJECT_H */
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