2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
17#ifndef _OUTPUT_FILE_H_
18#define _OUTPUT_FILE_H_
20#include <sparse/sparse.h>
22struct output_file;
24struct output_file *output_file_open_fd(int fd, unsigned int block_size, int64_t len,
25		int gz, int sparse, int chunks, int crc);
26struct output_file *output_file_open_callback(int (*write)(void *, const void *, int),
27		void *priv, unsigned int block_size, int64_t len, int gz, int sparse,
28		int chunks, int crc);
29int write_data_chunk(struct output_file *out, unsigned int len, void *data);
30int write_fill_chunk(struct output_file *out, unsigned int len,
31		uint32_t fill_val);
32int write_file_chunk(struct output_file *out, unsigned int len,
33		const char *file, int64_t offset);
34int write_fd_chunk(struct output_file *out, unsigned int len,
35		int fd, int64_t offset);
36int write_skip_chunk(struct output_file *out, int64_t len);
37void output_file_close(struct output_file *out);
39int read_all(int fd, void *buf, size_t len);