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/* SPDX-License-Identifier: LGPL-3.0-or-later */
/*
* io.h - This file is part of libsquashfs
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef SQFS_IO_H
#define SQFS_IO_H
#include "sqfs/predef.h"
typedef enum {
SQFS_FILE_OPEN_READ_ONLY = 0x01,
SQFS_FILE_OPEN_OVERWRITE = 0x02,
SQFS_FILE_OPEN_ALL_FLAGS = 0x03,
} E_SQFS_FILE_OPEN_FLAGS;
struct sqfs_file_t {
void (*destroy)(sqfs_file_t *file);
int (*read_at)(sqfs_file_t *file, uint64_t offset,
void *buffer, size_t size);
int (*write_at)(sqfs_file_t *file, uint64_t offset,
const void *buffer, size_t size);
uint64_t (*get_size)(sqfs_file_t *file);
int (*truncate)(sqfs_file_t *file, uint64_t size);
};
#ifdef __cplusplus
extern "C" {
#endif
SQFS_API sqfs_file_t *sqfs_open_file(const char *filename, int flags);
#ifdef __cplusplus
}
#endif
#endif /* SQFS_IO_H */
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