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70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
/**
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* @file fs_dev.h
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* @brief FS driver, using devoptab.
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* @author yellows8
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* @author mtheall
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* @copyright libnx Authors
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*/
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#pragma once
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#include <sys/types.h>
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#include "../../services/fs.h"
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#define FSDEV_DIRITER_MAGIC 0x66736476 ///< "fsdv"
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/// Open directory struct
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typedef struct
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{
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u32 magic; ///< "fsdv"
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FsDir fd; ///< File descriptor
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ssize_t index; ///< Current entry index
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size_t size; ///< Current batch size
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} fsdev_dir_t;
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/// Retrieves a pointer to temporary stage for reading entries
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NX_CONSTEXPR FsDirectoryEntry* fsdevDirGetEntries(fsdev_dir_t *dir)
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{
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return (FsDirectoryEntry*)(void*)(dir+1);
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}
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/// Initializes and mounts the sdmc device if accessible.
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Result fsdevMountSdmc(void);
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/// Mounts the specified save data.
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Result fsdevMountSaveData(const char *name, u64 application_id, AccountUid uid);
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/// Mounts the specified system save data.
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Result fsdevMountSystemSaveData(const char *name, FsSaveDataSpaceId save_data_space_id, u64 system_save_data_id, AccountUid uid);
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/// Mounts the input fs with the specified device name. fsdev will handle closing the fs when required, including when fsdevMountDevice() fails.
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/// Returns -1 when any errors occur.
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int fsdevMountDevice(const char *name, FsFileSystem fs);
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/// Unmounts the specified device.
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int fsdevUnmountDevice(const char *name);
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/// Uses fsFsCommit() with the specified device. This must be used after any savedata-write operations(not just file-write). This should be used after each file-close where file-writing was done.
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/// This is not used automatically at device unmount.
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Result fsdevCommitDevice(const char *name);
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/// Returns the FsFileSystem for the specified device. Returns NULL when the specified device isn't found.
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FsFileSystem* fsdevGetDeviceFileSystem(const char *name);
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/// Writes the FS-path to outpath (which has buffer size FS_MAX_PATH), for the input path (as used in stdio). The FsFileSystem is also written to device when not NULL.
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int fsdevTranslatePath(const char *path, FsFileSystem** device, char *outpath);
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/// This calls fsFsSetConcatenationFileAttribute on the filesystem specified by the input path (as used in stdio).
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Result fsdevSetConcatenationFileAttribute(const char *path);
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/// This calls fsFsCreateFile on the filesystem specified by the input path (as used in stdio).
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Result fsdevCreateFile(const char* path, size_t size, u32 flags);
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/// Recursively deletes the directory specified by the input path (as used in stdio).
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Result fsdevDeleteDirectoryRecursively(const char *path);
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/// Unmounts all devices and cleans up any resources used by the FS driver.
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Result fsdevUnmountAll(void);
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/// Retrieves the last native result code generated during a failed fsdev operation.
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Result fsdevGetLastResult(void);
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