mirror of
https://git.openwrt.org/project/make_ext4fs.git
synced 2024-11-09 14:28:00 -05:00
65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
/*
|
|
* Copyright (C) 2010 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef _BACKED_BLOCK_H_
|
|
#define _BACKED_BLOCK_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
struct backed_block_list;
|
|
struct backed_block;
|
|
|
|
enum backed_block_type {
|
|
BACKED_BLOCK_DATA,
|
|
BACKED_BLOCK_FILE,
|
|
BACKED_BLOCK_FD,
|
|
BACKED_BLOCK_FILL,
|
|
};
|
|
|
|
int backed_block_add_data(struct backed_block_list *bbl, void *data,
|
|
unsigned int len, unsigned int block);
|
|
int backed_block_add_fill(struct backed_block_list *bbl, unsigned int fill_val,
|
|
unsigned int len, unsigned int block);
|
|
int backed_block_add_file(struct backed_block_list *bbl, const char *filename,
|
|
int64_t offset, unsigned int len, unsigned int block);
|
|
int backed_block_add_fd(struct backed_block_list *bbl, int fd,
|
|
int64_t offset, unsigned int len, unsigned int block);
|
|
|
|
struct backed_block *backed_block_iter_new(struct backed_block_list *bbl);
|
|
struct backed_block *backed_block_iter_next(struct backed_block *bb);
|
|
unsigned int backed_block_len(struct backed_block *bb);
|
|
unsigned int backed_block_block(struct backed_block *bb);
|
|
void *backed_block_data(struct backed_block *bb);
|
|
const char *backed_block_filename(struct backed_block *bb);
|
|
int backed_block_fd(struct backed_block *bb);
|
|
int64_t backed_block_file_offset(struct backed_block *bb);
|
|
uint32_t backed_block_fill_val(struct backed_block *bb);
|
|
enum backed_block_type backed_block_type(struct backed_block *bb);
|
|
int backed_block_split(struct backed_block_list *bbl, struct backed_block *bb,
|
|
unsigned int max_len);
|
|
|
|
struct backed_block *backed_block_iter_new(struct backed_block_list *bbl);
|
|
struct backed_block *backed_block_iter_next(struct backed_block *bb);
|
|
|
|
struct backed_block_list *backed_block_list_new(unsigned int block_size);
|
|
void backed_block_list_destroy(struct backed_block_list *bbl);
|
|
|
|
void backed_block_list_move(struct backed_block_list *from,
|
|
struct backed_block_list *to, struct backed_block *start,
|
|
struct backed_block *end);
|
|
|
|
#endif
|