From 8272aa245bcca1a82c295bfa8e2db62625319c9b Mon Sep 17 00:00:00 2001
From: Emma Nora Theuer <git@entheuer.de>
Date: Wed, 23 Oct 2024 03:00:36 +0200
Subject: [PATCH] Commit code from several developing sessions]

---
 inode.h | 21 ++++++++++++++++++++-
 util.h  | 48 ++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 66 insertions(+), 3 deletions(-)

diff --git a/inode.h b/inode.h
index 9dffb31..48495f7 100644
--- a/inode.h
+++ b/inode.h
@@ -16,6 +16,8 @@ enum permissions {
     X = 4
 };
 
+// NOTE: Add handling for the block bitmap for when a file is deleted and created. That's how you solve the issue of when a block is usable.
+
 struct inode_table {
     // the following keyword spam purely exist so I definitely see it with highlighting.
     // NOTE, TODO, FIXME, DEPRECATED, HACK, IMPORTANT: always initialize all values to be null when the inode table is created!!!!
@@ -44,8 +46,25 @@ struct Inode {
     tm created;
     tm last_modified;
 
+    // needed to determine file size
     uint16_t block_count;
-    block* data_block;
+
+    // Data block pointers!!
+    struct data_block* first_data_block;
+    struct data_block* second_data_block;
+    struct data_block* third_data_block;
+    struct data_block* fourth_data_block;
+    struct data_block* fifth_data_block;
+    struct data_block* sixth_data_block;
+    struct data_block* seventh_data_block;
+    struct data_block* eighth_data_block;
+    struct data_block* nineth_data_block;
+    struct data_block* tenth_data_block;
+    struct data_block* eleventh_data_block;
+    struct data_block* twelveth_data_block;
+    struct indirect_data_block* file_indirect_data_block;
+    struct doubly_indirect_data_block* file_doubly_indirect_data_block;
+    struct trebly_indirect_data_block* file_trebly_indirect_data_block;
 };
 
 Inode* create_inode(char name[64], uint8_t user_permissions, uint8_t group_permissions, uint16_t owner, uint16_t group, block* data_block);
diff --git a/util.h b/util.h
index 417314b..55fdb83 100644
--- a/util.h
+++ b/util.h
@@ -10,12 +10,56 @@
 #define BITS_PER_INODE 16384
 
 typedef struct tm tm;
-typedef struct block block;
 
-struct block {
+struct data_block {
   char data[BLOCKSIZE];
 };
 
+struct indirect_data_block {
+    struct data_block* first_data_block;
+    struct data_block* second_data_block;
+    struct data_block* third_data_block;
+    struct data_block* fourth_data_block;
+    struct data_block* fifth_data_block;
+    struct data_block* sixth_data_block;
+    struct data_block* seventh_data_block;
+    struct data_block* eighth_data_block;
+    struct data_block* nineth_data_block;
+    struct data_block* tenth_data_block;
+    struct data_block* eleventh_data_block;
+    struct data_block* twelveth_data_block;
+};
+
+struct doubly_indirect_data_block {
+    struct data_block* first_indirect_data_block;
+    struct data_block* second_indirect_data_block;
+    struct data_block* third_indirect_data_block;
+    struct data_block* fourth_indirect_data_block;
+    struct data_block* fifth_indirect_data_block;
+    struct data_block* sixth_indirect_data_block;
+    struct data_block* seventh_indirect_data_block;
+    struct data_block* eighth_indirect_data_block;
+    struct data_block* nineth_indirect_data_block;
+    struct data_block* tenth_indirect_data_block;
+    struct data_block* eleventh_indirect_data_block;
+    struct data_block* twelveth_indirect_data_block;
+};
+
+struct trebly_indirect_data_block {
+    struct data_block* first_doubly_indirect_data_block;
+    struct data_block* second_doubly_indirect_data_block;
+    struct data_block* third_doubly_indirect_data_block;
+    struct data_block* fourth_doubly_indirect_data_block;
+    struct data_block* fifth_doubly_indirect_data_block;
+    struct data_block* sixth_doubly_indirect_data_block;
+    struct data_block* seventh_doubly_indirect_data_block;
+    struct data_block* eighth_doubly_indirect_data_block;
+    struct data_block* nineth_doubly_indirect_data_block;
+    struct data_block* tenth_doubly_indirect_data_block;
+    struct data_block* eleventh_doubly_indirect_data_block;
+    struct data_block* twelveth_doubly_indirect_data_block;
+};
+
 struct tm *local_time;
 
 // Global Variables