chore: add rustfmt

rustfmt.toml

@@ -0,0 +1,28 @@
+edition = "2021"
+
+condense_wildcard_suffixes = true
+format_code_in_doc_comments = true
+format_macro_bodies = true
+format_macro_matchers = true
+format_strings = true
+hex_literal_case = "Upper"
+max_width = 120
+tab_spaces = 4
+array_width = 80
+comment_width = 80
+wrap_comments = true
+fn_params_layout = "Compressed"
+fn_call_width = 80
+fn_single_line = true
+hard_tabs = true
+match_block_trailing_comma = true
+imports_granularity = "Crate"
+normalize_comments = false
+reorder_impl_items = true
+reorder_imports = true
+group_imports = "StdExternalCrate"
+newline_style = "Unix"
+use_field_init_shorthand = true
+use_small_heuristics = "Off"
+use_try_shorthand = true
+chain_width = 60

src/bindings.rs

@@ -1,4 +1,4 @@
-use core::ffi::{c_void};
+use core::ffi::c_void;
 
 #[allow(dead_code)]
 extern "C" {

src/lib.rs

@@ -1,25 +1,25 @@
 #![no_std]
 
 mod bindings;
-pub use bindings::{malloc, calloc, free, realloc};
-use core::alloc::{GlobalAlloc, Layout};
-use core::ffi::c_void;
+use core::{
+	alloc::{GlobalAlloc, Layout},
+	ffi::c_void,
+};
+
+pub use bindings::{calloc, free, malloc, realloc};
 
 pub struct HardenedMalloc;
 
 unsafe impl GlobalAlloc for HardenedMalloc {
 	#[inline]
-    unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
-        malloc(layout.size()) as *mut u8
-    }
+	unsafe fn alloc(&self, layout: Layout) -> *mut u8 { malloc(layout.size()) as *mut u8 }
+
 	#[inline]
-    unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
-        calloc(layout.size(), 1) as *mut u8
-    }
+	unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 { calloc(layout.size(), 1) as *mut u8 }
+
 	#[inline]
-    unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) {
-       free(ptr as *mut c_void);
-    }
+	unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) { free(ptr as *mut c_void); }
+
 	#[inline]
 	unsafe fn realloc(&self, ptr: *mut u8, _layout: Layout, size: usize) -> *mut u8 {
 		realloc(ptr as *mut c_void, size) as *mut u8