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