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/*
* 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_filebuf_h__
#define INCLUDE_filebuf_h__
#include "fileops.h"
#include "hash.h"
#include "git2/zlib.h"
#ifdef GIT_THREADS
# define GIT_FILEBUF_THREADS
#endif
#define GIT_FILEBUF_HASH_CONTENTS (1 << 0)
#define GIT_FILEBUF_APPEND (1 << 2)
#define GIT_FILEBUF_FORCE (1 << 3)
#define GIT_FILEBUF_TEMPORARY (1 << 4)
#define GIT_FILEBUF_DEFLATE_SHIFT (5)
#define GIT_FILELOCK_EXTENSION ".lock\0"
#define GIT_FILELOCK_EXTLENGTH 6
struct git_filebuf {
char *path_original;
char *path_lock;
int (*write)(struct git_filebuf *file, void *source, size_t len);
git_hash_ctx *digest;
unsigned char *buffer;
unsigned char *z_buf;
z_stream zs;
int flush_mode;
size_t buf_size, buf_pos;
git_file fd;
};
typedef struct git_filebuf git_filebuf;
int git_filebuf_write(git_filebuf *lock, const void *buff, size_t len);
int git_filebuf_reserve(git_filebuf *file, void **buff, size_t len);
int git_filebuf_printf(git_filebuf *file, const char *format, ...) GIT_FORMAT_PRINTF(2, 3);
int git_filebuf_open(git_filebuf *lock, const char *path, int flags);
int git_filebuf_commit(git_filebuf *lock, mode_t mode);
int git_filebuf_commit_at(git_filebuf *lock, const char *path, mode_t mode);
void git_filebuf_cleanup(git_filebuf *lock);
int git_filebuf_hash(git_oid *oid, git_filebuf *file);
#endif
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