output_file.h revision b4cd267db30c152245e6308598e0066d87c5c55d 
1/*
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 */
16
17#ifndef _OUTPUT_FILE_H_
18#define _OUTPUT_FILE_H_
19
20#include <sparse/sparse.h>
21
22struct output_file;
23
24struct output_file *open_output_fd(int fd, unsigned int block_size, int64_t len,
25		int gz, int sparse, int chunks, int crc);
26int write_data_chunk(struct output_file *out, unsigned int len, void *data);
27int write_fill_chunk(struct output_file *out, unsigned int len,
28		uint32_t fill_val);
29int write_file_chunk(struct output_file *out, unsigned int len,
30		const char *file, int64_t offset);
31int write_fd_chunk(struct output_file *out, unsigned int len,
32		int fd, int64_t offset);
33int write_skip_chunk(struct output_file *out, int64_t len);
34void close_output_file(struct output_file *out);
35
36int read_all(int fd, void *buf, size_t len);
37
38#endif
39