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#ifndef OBJECT_STORE_H
#define OBJECT_STORE_H
extern struct alternate_object_database {
struct alternate_object_database *next;
/* see alt_scratch_buf() */
struct strbuf scratch;
size_t base_len;
/*
* Used to store the results of readdir(3) calls when searching
* for unique abbreviated hashes. This cache is never
* invalidated, thus it's racy and not necessarily accurate.
* That's fine for its purpose; don't use it for tasks requiring
* greater accuracy!
*/
char loose_objects_subdir_seen[256];
struct oid_array loose_objects_cache;
char path[FLEX_ARRAY];
} *alt_odb_list;
void prepare_alt_odb(void);
char *compute_alternate_path(const char *path, struct strbuf *err);
typedef int alt_odb_fn(struct alternate_object_database *, void *);
int foreach_alt_odb(alt_odb_fn, void*);
/*
* Allocate a "struct alternate_object_database" but do _not_ actually
* add it to the list of alternates.
*/
struct alternate_object_database *alloc_alt_odb(const char *dir);
/*
* Add the directory to the on-disk alternates file; the new entry will also
* take effect in the current process.
*/
void add_to_alternates_file(const char *dir);
/*
* Add the directory to the in-memory list of alternates (along with any
* recursive alternates it points to), but do not modify the on-disk alternates
* file.
*/
void add_to_alternates_memory(const char *dir);
/*
* Returns a scratch strbuf pre-filled with the alternate object directory,
* including a trailing slash, which can be used to access paths in the
* alternate. Always use this over direct access to alt->scratch, as it
* cleans up any previous use of the scratch buffer.
*/
struct strbuf *alt_scratch_buf(struct alternate_object_database *alt);
struct raw_object_store {
/*
* Path to the repository's object store.
* Cannot be NULL after initialization.
*/
char *objectdir;
/* Path to extra alternate object database if not NULL */
char *alternate_db;
};
struct raw_object_store *raw_object_store_new(void);
void raw_object_store_clear(struct raw_object_store *o);
#endif /* OBJECT_STORE_H */
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