mirror of
https://git.proxmox.com/git/libgit2
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0c3bae6268
This is legacy compat stuff for when `deflateBound` is not defined, but we're not embedding zlib and that function is always available. Kill that with fire.
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
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* Copyright (C) 2009-2012 the libgit2 contributors
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#ifndef INCLUDE_filebuf_h__
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#define INCLUDE_filebuf_h__
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#include "fileops.h"
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#include "hash.h"
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#include <zlib.h>
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#ifdef GIT_THREADS
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# define GIT_FILEBUF_THREADS
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#endif
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#define GIT_FILEBUF_HASH_CONTENTS (1 << 0)
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#define GIT_FILEBUF_APPEND (1 << 2)
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#define GIT_FILEBUF_FORCE (1 << 3)
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#define GIT_FILEBUF_TEMPORARY (1 << 4)
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#define GIT_FILEBUF_DEFLATE_SHIFT (5)
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#define GIT_FILELOCK_EXTENSION ".lock\0"
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#define GIT_FILELOCK_EXTLENGTH 6
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struct git_filebuf {
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char *path_original;
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char *path_lock;
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int (*write)(struct git_filebuf *file, void *source, size_t len);
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git_hash_ctx *digest;
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unsigned char *buffer;
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unsigned char *z_buf;
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z_stream zs;
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int flush_mode;
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size_t buf_size, buf_pos;
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git_file fd;
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};
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typedef struct git_filebuf git_filebuf;
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#define GIT_FILEBUF_INIT {0}
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/* The git_filebuf object lifecycle is:
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* - Allocate git_filebuf, preferably using GIT_FILEBUF_INIT.
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* - Call git_filebuf_open() to initialize the filebuf for use.
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* - Make as many calls to git_filebuf_write(), git_filebuf_printf(),
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* git_filebuf_reserve() as you like.
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* - While you are writing, you may call git_filebuf_hash() to get
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* the hash of all you have written so far.
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* - To close the git_filebuf, you may call git_filebuf_commit() or
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* git_filebuf_commit_at() to save the file, or
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* git_filebuf_cleanup() to abandon the file. All of these will
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* clear the git_filebuf object.
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*/
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int git_filebuf_write(git_filebuf *lock, const void *buff, size_t len);
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int git_filebuf_reserve(git_filebuf *file, void **buff, size_t len);
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int git_filebuf_printf(git_filebuf *file, const char *format, ...) GIT_FORMAT_PRINTF(2, 3);
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int git_filebuf_open(git_filebuf *lock, const char *path, int flags);
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int git_filebuf_commit(git_filebuf *lock, mode_t mode);
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int git_filebuf_commit_at(git_filebuf *lock, const char *path, mode_t mode);
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void git_filebuf_cleanup(git_filebuf *lock);
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int git_filebuf_hash(git_oid *oid, git_filebuf *file);
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#endif
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