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sortix--sortix/libmount/include/mount/blockdevice.h

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/*
* Copyright (c) 2015 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* mount/blockdevice.h
* Block device abstraction.
*/
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#ifndef INCLUDE_MOUNT_BLOCKDEVICE_H
#define INCLUDE_MOUNT_BLOCKDEVICE_H
#include <sys/stat.h>
#if !defined(__cplusplus)
#include <stdbool.h>
#endif
#include <stddef.h>
#include <mount/error.h>
struct filesystem;
struct harddisk;
struct partition;
struct partition_table;
struct blockdevice
{
struct harddisk* hd;
struct partition* p;
struct partition_table* pt;
struct filesystem* fs;
enum partition_error pt_error;
enum filesystem_error fs_error;
void* user_ctx;
};
#if defined(__cplusplus)
extern "C" {
#endif
blksize_t blockdevice_logical_block_size(const struct blockdevice*);
bool blockdevice_check_reasonable_block_size(blksize_t);
off_t blockdevice_size(const struct blockdevice*);
size_t blockdevice_preadall(const struct blockdevice*, void*, size_t, off_t);
#if defined(__cplusplus)
} /* extern "C" */
#endif
#endif