1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

use crate::guid::Guid;
use crate::status::Status;
use crate::time::Time;

// Open modes
pub const FILE_MODE_READ: u64 = 0x0000000000000001;
pub const FILE_MODE_WRITE: u64 = 0x0000000000000002;
pub const FILE_MODE_CREATE: u64 = 0x8000000000000000;

// Attributes
pub const FILE_READ_ONLY: u64 = 0x01;
pub const FILE_HIDDEN: u64 = 0x02;
pub const FILE_SYSTEM: u64 = 0x04;
pub const FILE_RESERVED: u64 = 0x08;
pub const FILE_DIRECTORY: u64 = 0x10;
pub const FILE_ARCHIVE: u64 = 0x20;

#[repr(C)]
pub struct SimpleFileSystem {
    pub Revision: u64,
    pub OpenVolume: extern "win64" fn(&mut SimpleFileSystem, Root: &mut *mut File) -> Status,
}

#[repr(C)]
pub struct FileInfo {
    pub Size: u64,
    pub FileSize: u64,
    pub PhysicalSize: u64,
    pub CreateTime: Time,
    pub LastAccessTime: Time,
    pub ModificationTime: Time,
    pub Attribute: u64,
    pub FileName: [u16; 256],
}

impl Default for FileInfo {
    fn default() -> Self {
        FileInfo {
            Size: Default::default(),
            FileSize: Default::default(),
            PhysicalSize: Default::default(),
            CreateTime: Default::default(),
            LastAccessTime: Default::default(),
            ModificationTime: Default::default(),
            Attribute: Default::default(),
            FileName: [0; 256],
        }
    }
}

#[repr(C)]
pub struct File {
    pub Revision: u64,
    pub Open: extern "win64" fn(
        &mut File,
        NewHandle: &mut *mut File,
        FileName: *const u16,
        OpenMode: u64,
        Attributes: u64,
    ) -> Status,
    pub Close: extern "win64" fn(&mut File) -> Status,
    pub Delete: extern "win64" fn(&mut File) -> Status,
    pub Read: extern "win64" fn(&mut File, BufferSize: &mut usize, Buffer: *mut u8) -> Status,
    pub Write: extern "win64" fn(&mut File, BufferSize: &mut usize, Buffer: *const u8) -> Status,
    pub SetPosition: extern "win64" fn(&mut File, Position: u64) -> Status,
    pub GetPosition: extern "win64" fn(&mut File, Position: &mut u64) -> Status,
    pub GetInfo: extern "win64" fn(
        &mut File,
        InformationType: &Guid,
        BufferSize: &mut usize,
        Buffer: *mut u8,
    ) -> Status,
    pub SetInfo: extern "win64" fn(
        &mut File,
        InformationType: &Guid,
        BufferSize: &mut usize,
        Buffer: *const u8,
    ) -> Status,
    pub Flush: extern "win64" fn(&mut File) -> Status,
}