Starting work on inode decoding

2025-05-12 13:46:46 -05:00
parent 58e89c0981
commit b3a5ff8f94
7 changed files with 236 additions and 81 deletions
@@ -0,0 +1,37 @@
+const std = @import("std");
+const io = std.io;
+
+pub const SymlinkInode = struct {
+    hard_links: u32,
+    target_size: u32,
+    path: []const u8,
+};
+
+pub fn readSymlinkInode(rdr: io.AnyReader) !SymlinkInode {
+    const out = SymlinkInode{
+        .hard_links = try rdr.readInt(u32, std.builtin.Endian.little),
+        .target_size = try rdr.readInt(u32, std.builtin.Endian.little),
+        .path = undefined,
+    };
+    out.path = (try rdr.readBoundedBytes(out.target_size + 1)).constSlice();
+    return out;
+}
+
+pub const ExtSymlinkInode = struct {
+    hard_links: u32,
+    target_size: u32,
+    path: []const u8,
+    xattr_index: u32,
+};
+
+pub fn readExtSymlinkInode(rdr: io.AnyReader) !SymlinkInode {
+    const out = ExtSymlinkInode{
+        .hard_links = try rdr.readInt(u32, std.builtin.Endian.little),
+        .target_size = try rdr.readInt(u32, std.builtin.Endian.little),
+        .path = undefined,
+        .xattr_index = undefined,
+    };
+    out.path = (try rdr.readBoundedBytes(out.target_size + 1)).constSlice();
+    out.xattr_index = try rdr.readInt(u32, std.builtin.Endian.little);
+    return out;
+}