Re-adding stuff

src/inode.zig

@@ -0,0 +1,89 @@
+const std = @import("std");
+const Io = std.Io;
+
+const Inode = @This();
+
+header: Header,
+data: Data,
+
+// Types
+
+pub const Reference = packed struct(u64) {
+    _: u16,
+    block: u32,
+    offset: u16,
+};
+
+pub const Type = enum(u16) {
+    dir,
+    file,
+    symlink,
+    block_dev,
+    char_dev,
+    fifo,
+    socket,
+    ext_dir,
+    ext_file,
+    ext_symlink,
+    ext_block_dev,
+    ext_char_dev,
+    ext_fifo,
+    ext_socket,
+};
+
+pub const Header = extern struct {
+    type: Type, // TODO: enum
+    permission: u16,
+    uid_idx: u16,
+    gid_idx: u16,
+    mod_time: u32,
+    inode_num: u32,
+};
+
+pub const Data = union(Type) {
+    dir: Dir,
+    file: File,
+    symlink: Symlink,
+    block_dev: Dev,
+    char_dev: Dev,
+    fifo: Fifo,
+    socket: Fifo,
+    ext_dir: ExtDir,
+    ext_file: ExtFile,
+    ext_symlink: ExtSymlink,
+    ext_block_dev: ExtDev,
+    ext_char_dev: ExtDev,
+    ext_fifo: ExtFifo,
+    ext_socket: ExtFifo,
+};
+
+// Inode data types
+
+pub const Dir = extern struct {
+    block: u32,
+    hard_links: u32,
+    size: u16,
+    offset: u16,
+    parent_inode_num: u32,
+};
+pub const ExtDir = extern struct {
+    hard_links: u32,
+    size: u32,
+    block: u32,
+    parent_inode_num: u32,
+    idx_count: u16,
+    offset: u16,
+    xattr_idx: u32,
+};
+
+pub const File = struct {};
+pub const ExtFile = struct {};
+
+pub const Symlink = struct {};
+pub const ExtSymlink = struct {};
+
+pub const Dev = extern struct {};
+pub const ExtDev = extern struct {};
+
+pub const Fifo = extern struct {};
+pub const ExtFifo = extern struct {};