|  | #ifndef SPLIT_INDEX_H | 
|  | #define SPLIT_INDEX_H | 
|  |  | 
|  | #include "cache.h" | 
|  |  | 
|  | struct index_state; | 
|  | struct strbuf; | 
|  | struct ewah_bitmap; | 
|  |  | 
|  | struct split_index { | 
|  | struct object_id base_oid; | 
|  | struct index_state *base; | 
|  | struct ewah_bitmap *delete_bitmap; | 
|  | struct ewah_bitmap *replace_bitmap; | 
|  | struct cache_entry **saved_cache; | 
|  | unsigned int saved_cache_nr; | 
|  | unsigned int nr_deletions; | 
|  | unsigned int nr_replacements; | 
|  | int refcount; | 
|  | }; | 
|  |  | 
|  | struct split_index *init_split_index(struct index_state *istate); | 
|  | void save_or_free_index_entry(struct index_state *istate, struct cache_entry *ce); | 
|  | void replace_index_entry_in_base(struct index_state *istate, | 
|  | struct cache_entry *old, | 
|  | struct cache_entry *new_entry); | 
|  | int read_link_extension(struct index_state *istate, | 
|  | const void *data, unsigned long sz); | 
|  | int write_link_extension(struct strbuf *sb, | 
|  | struct index_state *istate); | 
|  | void move_cache_to_base_index(struct index_state *istate); | 
|  | void merge_base_index(struct index_state *istate); | 
|  | void prepare_to_write_split_index(struct index_state *istate); | 
|  | void finish_writing_split_index(struct index_state *istate); | 
|  | void discard_split_index(struct index_state *istate); | 
|  | void add_split_index(struct index_state *istate); | 
|  | void remove_split_index(struct index_state *istate); | 
|  |  | 
|  | #endif |