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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* io.h
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#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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