Fix read problem

lsfs_disk_controller.h

@@ -16,7 +16,6 @@
 typedef struct Directory_Table Directory_Table;
 typedef struct struct_table_entry struct_table_entry;
 typedef struct struct_partition_control partition_control;
-typedef struct struct_partition_control partition_control;
 typedef struct File_System_Control_Information FSCI;
 typedef struct meta_information_format mif;
 typedef struct tag_record tag_record;
@@ -242,9 +241,9 @@ int lsfs_disk_read_data_from_file(lsfs_file *file, int buffer_size, char *data,
     int amount_read = 0;
     int amount_to_read = 0;
     int remaining_offset = offset_to_next_entry;
-    printf("READ: buffer_size: %d\n", buffer_size);
-    printf("READ: Data length: %d\n", data_length);
-    printf("READ: Offset length: %d\n", offset_to_next_entry);
+    //printf("READ: buffer_size: %d\n", buffer_size);
+    //printf("READ: Data length: %d\n", data_length);
+    //printf("READ: Offset length: %d\n", offset_to_next_entry);
 
 
     int data_pointer_index = 0; // start at first data pointer. 
@@ -264,6 +263,10 @@ int lsfs_disk_read_data_from_file(lsfs_file *file, int buffer_size, char *data,
                 amount_to_read = (DEFAULT_DATA_POINTER_SIZE * SECTOR_SIZE);
             }
             //read_data_from_disk(lsfs_sector_offset index, uint32_t file_block_size, void* data_buffer)
+            if (file->data_pointer[data_pointer_index] == 0) 
+            {
+                break;
+            }
             read_data_from_disk(file->data_pointer[data_pointer_index], DEFAULT_DATA_POINTER_SIZE, tmp_buffer);
             memcpy((data + amount_read), tmp_buffer, amount_to_read);
             data_length -= amount_to_read;
@@ -323,22 +326,18 @@ int lsfs_disk_write_data_to_file(lsfs_file *file, int data_length, char *data, s
     int new_filesize = data_length + offset_to_next_entry;
     int amount_written = 0;
     int amount_to_write = 0;
-    printf("Data length: %d\n", data_length);
-    printf("Offset length: %d\n", offset_to_next_entry);
-
+    //printf("Data length: %d\n", data_length);
+    //printf("Offset length: %d\n", offset_to_next_entry);
 
     int data_pointer_index = 0; // start at first data pointer. 
     while(data_length > 0) // We have more to write  
     {
-        printf("Outside: Data pointers: %d\n", file->data_pointer[data_pointer_index]);
         while (file->data_pointer[data_pointer_index] == 0) 
         {
-            printf("inside: Data pointers: %d\n", file->data_pointer[data_pointer_index]);
             // we have to assign a free sector 
             if (get_free_sectors(1, file->data_pointer))
             {
                 // This is a fail case, we cannot assign a new sector: 
-                printf("SHIT");
                 return amount_written;
             }
         }
@@ -394,7 +393,7 @@ int lsfs_disk_write_data_to_file(lsfs_file *file, int data_length, char *data, s
         {
             // We have to skip a whole data pointer: 
             offset_to_next_entry -= (DEFAULT_DATA_POINTER_SIZE * SECTOR_SIZE);
-            printf("Skip, offset is now: %d\n", offset_to_next_entry);
+            //printf("Skip, offset is now: %d\n", offset_to_next_entry);
             data_pointer_index++;
         }