Module arceos_api::fs

Expand description

Filesystem manipulation operations.

Structs§

AxDirHandlefs
A handle to an opened directory.
AxDiskfs and myfs
A disk device with a cursor.
AxFileHandlefs
A handle to an opened file.
AxOpenOptionsfs
Options and flags which can be used to configure how a file is opened.

MyFileSystemIffs and myfs
The interface to define custom filesystems in user apps.

ax_create_dirfs
Creates a new, empty directory at the provided path.
ax_current_dirfs
Returns the current working directory.
ax_file_attrfs
Returns attributes of the file.
ax_flush_filefs
Flushes the file, writes all buffered data to the underlying device.
ax_open_dirfs
Opens a directory at the path relative to the current directory with the options specified by opts.
ax_open_filefs
Opens a file at the path relative to the current directory with the options specified by opts.
ax_read_dirfs
Reads directory entries starts from the current position into the given buffer, returns the number of entries read.
ax_read_filefs
Reads the file at the current position, returns the number of bytes read.
ax_read_file_atfs
Reads the file at the given position, returns the number of bytes read.
ax_remove_dirfs
Removes an empty directory.
ax_remove_filefs
Removes a file from the filesystem.
ax_renamefs
Rename a file or directory to a new name.
ax_seek_filefs
Sets the cursor of the file to the specified offset. Returns the new position after the seek.
ax_set_current_dirfs
Changes the current working directory to the specified path.
ax_truncate_filefs
Truncates the file to the specified size.
ax_write_filefs
Writes the file at the current position, returns the number of bytes written.
ax_write_file_atfs
Writes the file at the given position, returns the number of bytes written.