MOD: fixed warnings

crates/ccc-crypto-wolfssl/build.rs

@@ -14,7 +14,7 @@
 //!   a pre-installed wolfSSL at this path.  The path must contain
 //!   `include/wolfssl/` and `lib/libwolfssl.a`.
 
-use std::{env, path::PathBuf};
+use std::{env, path::{Path, PathBuf}};
 
 fn main() {
     // When the `stub_ffi` feature is enabled (e.g. for type-checking without
@@ -86,7 +86,7 @@ fn main() {
 }
 
 /// Build wolfSSL from source using CMake.  Returns `(include_dir, lib_dir)`.
-fn build_wolfssl_cmake(source_dir: &PathBuf, _out_dir: &PathBuf) -> (PathBuf, PathBuf) {
+fn build_wolfssl_cmake(source_dir: &Path, _out_dir: &Path) -> (PathBuf, PathBuf) {
     println!(
         "cargo:warning=Building wolfSSL from source at {}",
         source_dir.display()
@@ -167,7 +167,7 @@ fn build_wolfssl_cmake(source_dir: &PathBuf, _out_dir: &PathBuf) -> (PathBuf, Pa
 }
 
 /// Run bindgen over the wolfCrypt headers we actually use.
-fn generate_bindings(include_dir: &PathBuf, out_dir: &PathBuf) {
+fn generate_bindings(include_dir: &Path, out_dir: &Path) {
     let header = include_dir.join("wolfssl/wolfcrypt/aes.h");
 
     if !header.exists() {

tests/conformance/src/main.rs

@@ -311,8 +311,8 @@ static XCHACHA20_PROBES: &[XChaChaProbe] = &[
 // ──────────────────────────────────────────────────────────────────────────────
 
 fn from_hex(s: &str) -> Vec<u8> {
-    let s = s.replace(' ', "").replace('\n', "");
-    assert!(s.len() % 2 == 0, "odd-length hex: {s}");
+    let s = s.replace([' ', '\n'], "");
+    assert!(s.len().is_multiple_of(2), "odd-length hex: {s}");
     (0..s.len())
         .step_by(2)
         .map(|i| u8::from_str_radix(&s[i..i + 2], 16).unwrap())