/*
* Copyright (C) 2009-2011 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_odb_h__
#define INCLUDE_odb_h__
#include "git2/odb.h"
#include "git2/oid.h"
#include "git2/types.h"
#include "vector.h"
#include "cache.h"
#include "posix.h"
#define GIT_OBJECTS_DIR "objects/"
#define GIT_OBJECT_DIR_MODE 0777
#define GIT_OBJECT_FILE_MODE 0444
/* DO NOT EXPORT */
typedef struct {
void *data; /**< Raw, decompressed object data. */
size_t len; /**< Total number of bytes in data. */
git_otype type; /**< Type of this object. */
} git_rawobj;
/* EXPORT */
struct git_odb_object {
git_cached_obj cached;
git_rawobj raw;
};
/* EXPORT */
struct git_odb {
git_refcount rc;
git_vector backends;
git_cache cache;
};
/*
* Hash a git_rawobj internally.
* The `git_rawobj` is supposed to be previously initialized
*/
int git_odb__hashobj(git_oid *id, git_rawobj *obj);
/*
* Hash an open file descriptor.
* This is a performance call when the contents of a fd need to be hashed,
* but the fd is already open and we have the size of the contents.
*
* Saves us some `stat` calls.
*
* The fd is never closed, not even on error. It must be opened and closed
* by the caller
*/
int git_odb__hashfd(git_oid *out, git_file fd, size_t size, git_otype type);
/*
* Hash a `path`, assuming it could be a POSIX symlink: if the path is a symlink,
* then the raw contents of the symlink will be hashed. Otherwise, this will
* fallback to `git_odb__hashfd`.
*
* The hash type for this call is always `GIT_OBJ_BLOB` because symlinks may only
* point to blobs.
*/
int git_odb__hashlink(git_oid *out, const char *path);
#endif
