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RIOT/pkg/tinyvcdiff/include/vcdiff_vfs.h
2022-09-16 14:00:35 +02:00

57 lines
1.1 KiB
C

/*
* Copyright (C) 2022 Juergen Fitschen
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
*
* @file
* @ingroup pkg_tinyvcdiff
*
* @author Juergen Fitschen <me@jue.yt>
*/
#ifndef VCDIFF_VFS_H
#define VCDIFF_VFS_H
#include "vcdiff.h"
#include "vfs.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Driver for accessing VFS-based file access
*/
extern const vcdiff_driver_t vcdiff_vfs_driver;
/**
* @brief Context for the underlying file
*/
typedef struct {
int fd; /**< File descriptor of the VFS file */
size_t max_size; /**< Maximum file size for vcdiff target files */
} vcdiff_vfs_t;
/**
* @brief Initializes vcdiff_vfs_t with maximum allowed file size
*/
#define VCDIFF_VFS_INIT_MAX_SIZE(FD, SIZE) { .fd = FD, .max_size = SIZE }
/**
* @brief Initializes vcdiff_vfs_t
*/
#define VCDIFF_VFS_INIT(FD) VCDIFF_VFS_INIT_MAX_SIZE(FD, SIZE_MAX)
#ifdef __cplusplus
}
#endif
#endif /* VCDIFF_VFS_H */
/** @} */