Missed a generic-array type

Author: nickray

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "littlefs2"
 description = "Idiomatic Rust API for littlefs"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Nicolas Stalder <n@stalder.io>", "Brandon Edens <brandonedens@gmail.com>"]
 edition = "2018"
 license = "Apache-2.0 OR MIT"

src/driver.rs

@@ -67,11 +67,11 @@ pub trait Storage {
     ///// to the C backend.
     //type FILENAME_MAX_PLUS_ONE: ArrayLength<u8>;
 
-    /// Maximum length of a path plus one. Necessary to convert Rust string slices
-    /// to C strings, which requires an allocation for the terminating
-    /// zero-byte. If in doubt, set to `FILENAME_MAX_PLUS_ONE`.
-    /// Must be larger than `FILENAME_MAX_PLUS_ONE`.
-    type PATH_MAX_PLUS_ONE: ArrayLength<u8>;
+    // /// Maximum length of a path plus one. Necessary to convert Rust string slices
+    // /// to C strings, which requires an allocation for the terminating
+    // /// zero-byte. If in doubt, set to `FILENAME_MAX_PLUS_ONE`.
+    // /// Must be larger than `FILENAME_MAX_PLUS_ONE`.
+    // type PATH_MAX_PLUS_ONE: ArrayLength<u8>;
 
     ///// Maximum size of file. Stored in superblock.
     ///// Defaults to 2_147_483_647 (or u31, to avoid sign issues in the C code).
@@ -136,8 +136,6 @@ mod future {
         // TODO: this supposedly influences whether files are inlined or not. Clarify
         type CACHE_SIZE;
         type LOOKAHEADWORDS_SIZE;
-        // not part of littlefs
-        type PATH_MAX_PLUS_ONE;
     }
 
     pub trait RuntimeParameters {

src/fs.rs

@@ -96,7 +96,7 @@ impl<Storage: driver::Storage> Allocation<Storage> {
         debug_assert!(filename_max_plus_one <= 1_022+1);
         // limitation of ll-bindings
         debug_assert!(filename_max_plus_one == 255+1);
-        let path_max_plus_one: u32 = <Storage as driver::Storage>::PATH_MAX_PLUS_ONE::to_u32();
+        let path_max_plus_one: u32 = crate::consts::PATH_MAX_PLUS_ONE as _;
         // TODO: any upper limit?
         debug_assert!(path_max_plus_one >= filename_max_plus_one);
         let file_max = crate::consts::FILEBYTES_MAX;

src/macros.rs

@@ -50,7 +50,6 @@ macro_rules! ram_storage { (
             const BLOCK_SIZE: usize = $block_size;
             const BLOCK_COUNT: usize = $block_count;
             type LOOKAHEADWORDS_SIZE = $lookaheadwords_size;
-            type PATH_MAX_PLUS_ONE = $path_max_plus_one;
 
             fn read(&self, offset: usize, buf: &mut [u8]) -> $Result<usize> {
                 let read_size: usize = Self::READ_SIZE;
@@ -180,7 +179,6 @@ macro_rules! const_ram_storage { (
             const BLOCK_SIZE: usize = $block_size;
             const BLOCK_COUNT: usize = $block_count;
             type LOOKAHEADWORDS_SIZE = $lookaheadwords_size;
-            type PATH_MAX_PLUS_ONE = $path_max_plus_one;
 
             fn read(&self, offset: usize, buf: &mut [u8]) -> $Result<usize> {
                 let read_size: usize = Self::READ_SIZE;