Remove MinGW support code
[project/make_ext4fs.git] / libsparse / backed_block.h
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 _BACKED_BLOCK_H_
18 #define _BACKED_BLOCK_H_
19
20 #include <stdint.h>
21
22 struct backed_block_list;
23 struct backed_block;
24
25 enum backed_block_type {
26         BACKED_BLOCK_DATA,
27         BACKED_BLOCK_FILE,
28         BACKED_BLOCK_FD,
29         BACKED_BLOCK_FILL,
30 };
31
32 int backed_block_add_data(struct backed_block_list *bbl, void *data,
33                 unsigned int len, unsigned int block);
34 int backed_block_add_fill(struct backed_block_list *bbl, unsigned int fill_val,
35                 unsigned int len, unsigned int block);
36 int backed_block_add_file(struct backed_block_list *bbl, const char *filename,
37                 int64_t offset, unsigned int len, unsigned int block);
38 int backed_block_add_fd(struct backed_block_list *bbl, int fd,
39                 int64_t offset, unsigned int len, unsigned int block);
40
41 struct backed_block *backed_block_iter_new(struct backed_block_list *bbl);
42 struct backed_block *backed_block_iter_next(struct backed_block *bb);
43 unsigned int backed_block_len(struct backed_block *bb);
44 unsigned int backed_block_block(struct backed_block *bb);
45 void *backed_block_data(struct backed_block *bb);
46 const char *backed_block_filename(struct backed_block *bb);
47 int backed_block_fd(struct backed_block *bb);
48 int64_t backed_block_file_offset(struct backed_block *bb);
49 uint32_t backed_block_fill_val(struct backed_block *bb);
50 enum backed_block_type backed_block_type(struct backed_block *bb);
51 int backed_block_split(struct backed_block_list *bbl, struct backed_block *bb,
52                 unsigned int max_len);
53
54 struct backed_block *backed_block_iter_new(struct backed_block_list *bbl);
55 struct backed_block *backed_block_iter_next(struct backed_block *bb);
56
57 struct backed_block_list *backed_block_list_new(unsigned int block_size);
58 void backed_block_list_destroy(struct backed_block_list *bbl);
59
60 void backed_block_list_move(struct backed_block_list *from,
61                 struct backed_block_list *to, struct backed_block *start,
62                 struct backed_block *end);
63
64 #endif