Future-proof repr(packed) => repr(C, packed).

src/allocator.rs

@@ -123,7 +123,7 @@ impl Allocator {
     }
 }
 
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct AllocEntry {
     index: Le<u64>,
     count: Le<i64>,
@@ -187,7 +187,7 @@ impl fmt::Debug for AllocEntry {
 }
 
 /// Alloc log node
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct AllocList {
     pub prev: BlockPtr<AllocList>,
     pub entries: [AllocEntry; ALLOC_LIST_ENTRIES],

src/block.rs

@@ -125,7 +125,7 @@ impl<T: ops::Deref<Target = [u8]>> BlockData<T> {
     }
 }
 
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct BlockList<T> {
     pub ptrs: [BlockPtr<T>; BLOCK_LIST_ENTRIES],
 }
@@ -176,7 +176,7 @@ impl<T> ops::DerefMut for BlockList<T> {
     }
 }
 
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct BlockPtr<T> {
     addr: Le<u64>,
     hash: Le<u64>,
@@ -253,7 +253,7 @@ impl<T> fmt::Debug for BlockPtr<T> {
     }
 }
 
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct BlockRaw([u8; BLOCK_SIZE as usize]);
 
 unsafe impl BlockTrait for BlockRaw {

src/dir.rs

@@ -3,7 +3,7 @@ use core::{mem, ops, slice, str};
 
 use crate::{BlockLevel, BlockTrait, Node, TreePtr, RECORD_LEVEL, DIR_ENTRY_MAX_LENGTH};
 
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct DirEntry {
     node_ptr: TreePtr<Node>,
     name: [u8; DIR_ENTRY_MAX_LENGTH],

src/header.rs

@@ -10,7 +10,7 @@ pub const HEADER_RING: u64 = 256;
 
 /// The header of the filesystem
 #[derive(Clone, Copy)]
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct Header {
     /// Signature, should be SIGNATURE
     pub signature: [u8; 8],

src/key.rs

@@ -40,7 +40,7 @@ impl Salt {
 
 /// The key slot, containing the salt and encrypted key that are used with one password
 #[derive(Clone, Copy, Default)]
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct KeySlot {
     salt: Salt,
     encrypted_key: EncryptedKey,

src/node.rs

@@ -80,7 +80,7 @@ type BlockListL3 = BlockList<BlockListL2>;
 type BlockListL4 = BlockList<BlockListL3>;
 
 /// A file/folder node
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct Node {
     pub mode: Le<u16>,
     pub uid: Le<u32>,

src/tree.rs

@@ -45,7 +45,7 @@ impl<T> TreeData<T> {
     }
 }
 
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct TreeList<T> {
     pub ptrs: [BlockPtr<T>; TREE_LIST_ENTRIES],
 }
@@ -85,7 +85,7 @@ impl<T> ops::DerefMut for TreeList<T> {
     }
 }
 
-#[repr(packed)]
+#[repr(C, packed)]
 pub struct TreePtr<T> {
     id: Le<u32>,
     phantom: PhantomData<T>,