From ff2ef6feaa71dd9aefbb8a37e59c8995f724180a Mon Sep 17 00:00:00 2001
From: Caleb Gardner <calebq23@gmail.com>
Date: Fri, 16 May 2025 06:59:21 -0500
Subject: [PATCH] INODES!

---
 src/inode/dir.zig   | 34 ++++++++++++++++++++++++++++++++++
 src/inode/file.zig  |  0
 src/inode/inode.zig | 29 ++++++++++++++++++++++++++++-
 src/inode/misc.zig  |  0
 src/inode/sym.zig   |  0
 5 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 src/inode/dir.zig
 create mode 100644 src/inode/file.zig
 create mode 100644 src/inode/misc.zig
 create mode 100644 src/inode/sym.zig

diff --git a/src/inode/dir.zig b/src/inode/dir.zig
new file mode 100644
index 0000000..1b4ba2f
--- /dev/null
+++ b/src/inode/dir.zig
@@ -0,0 +1,34 @@
+const io = @import("std").io;
+
+pub const DirInode = packed struct {
+    block_start: u32,
+    hard_links: u32,
+    /// Note: size is 3 larger then the actual size, due to "." and ".."
+    size: u16,
+    offset: u16,
+    parent_num: u32,
+
+    pub fn init(rdr: io.AnyReader) !DirInode {
+        return rdr.readStruct(DirInode);
+    }
+};
+
+const DirIndex = struct {
+
+}
+
+pub const ExtDirInode = packed struct {
+    hard_links: u32,
+    /// Note: size is 3 larger then the actual size, due to "." and ".."
+    size: u32,
+    block_start: u32,
+    parent_num: u32,
+    index_count: u16,
+    offset: u16,
+    xattr_inx: u32,
+    // TODO: possibly also read dir indexes. Maybe relagate to function...
+
+    pub fn init(rdr: io.AnyReader) !ExtDirInode {
+        return rdr.readStruct(ExtDirInode);
+    }
+};
diff --git a/src/inode/file.zig b/src/inode/file.zig
new file mode 100644
index 0000000..e69de29
diff --git a/src/inode/inode.zig b/src/inode/inode.zig
index 0cc04d0..b1c5a0b 100644
--- a/src/inode/inode.zig
+++ b/src/inode/inode.zig
@@ -1,3 +1,6 @@
+const std = @import("std");
+const io = std.io;
+
 pub const InodeRef = packed struct {
     offset: u16,
     block_start: u32,
@@ -21,6 +24,28 @@ pub const InodeType = enum(u16) {
     ext_sock,
 };
 
+const dir = @import("dir.zig");
+const file = @import("file.zig");
+const sym = @import("sym.zig");
+const misc = @import("misc.zig");
+
+pub const InodeData = union(enum) {
+    dir: dir.DirInode,
+    file: file.FileInode,
+    sym: sym.SymInode,
+    block: misc.DeviceInode,
+    char: misc.DeviceInode,
+    fifo: misc.IPCInode,
+    sock: misc.IPCInode,
+    ext_dir: dir.ExtDirInode,
+    ext_file: file.ExtFileInode,
+    ext_sym: sym.ExtSymInode,
+    ext_block: misc.ExtDeviceInode,
+    ext_char: misc.ExtDeviceInode,
+    ext_fifo: misc.ExtIPCInode,
+    ext_sock: misc.ExtIPCInode,
+};
+
 pub const InodeHeader = packed struct {
     inode_type: InodeType,
     perm: u16,
@@ -32,5 +57,7 @@ pub const InodeHeader = packed struct {
 
 pub const Inode = struct {
     header: InodeHeader,
-    data: void, //TODO
+    data: InodeData, //TODO
+
+    pub fn init(rdr: io.AnyReader) !Inode {}
 };
diff --git a/src/inode/misc.zig b/src/inode/misc.zig
new file mode 100644
index 0000000..e69de29
diff --git a/src/inode/sym.zig b/src/inode/sym.zig
new file mode 100644
index 0000000..e69de29