Fixes for new Clippy (#755)

libafl/src/bolts/fs.rs

@@ -154,9 +154,9 @@ mod test {
     #[test]
     fn test_atomic_file_write() {
         let path = "test_atomic_file_write.tmp";
-        write_file_atomic(&path, b"test").unwrap();
-        let content = fs::read_to_string(&path).unwrap();
-        fs::remove_file(&path).unwrap();
+        write_file_atomic(path, b"test").unwrap();
+        let content = fs::read_to_string(path).unwrap();
+        fs::remove_file(path).unwrap();
         assert_eq!(content, "test");
     }
 

libafl/src/bolts/os/unix_shmem_server.rs

@@ -14,7 +14,6 @@ use core::{mem::ManuallyDrop, ptr::addr_of};
 #[cfg(target_vendor = "apple")]
 use std::fs;
 use std::{
-    borrow::BorrowMut,
     cell::RefCell,
     env,
     io::{Read, Write},
@@ -225,8 +224,8 @@ where
     fn post_fork(&mut self, is_child: bool) -> Result<(), Error> {
         if is_child {
             // After fork, only the parent keeps the join handle.
-            if let ShMemService::Started { bg_thread, .. } = &mut self.service {
-                bg_thread.borrow_mut().lock().unwrap().join_handle = None;
+            if let ShMemService::Started { bg_thread, .. } = &self.service {
+                bg_thread.lock().unwrap().join_handle = None;
             }
             //fn connect(&mut self) -> Result<Self, Error> {
             //self.stream = UnixStream::connect_to_unix_addr(&UnixSocketAddr::new(UNIX_SERVER_NAME)?)?,
@@ -371,7 +370,7 @@ impl Drop for ShMemServiceThread {
                 .expect("Error in ShMemService background thread!");
             // try to remove the file from fs, and ignore errors.
             #[cfg(target_vendor = "apple")]
-            fs::remove_file(&UNIX_SERVER_NAME).unwrap();
+            fs::remove_file(UNIX_SERVER_NAME).unwrap();
 
             env::remove_var(AFL_SHMEM_SERVICE_STARTED);
         }

libafl/src/monitors/mod.rs

@@ -9,8 +9,6 @@ pub mod tui;
 
 #[cfg(feature = "std")]
 pub mod disk;
-#[cfg(feature = "introspection")]
-use alloc::string::ToString;
 use alloc::{fmt::Debug, string::String, vec::Vec};
 use core::{fmt, time::Duration};
 
@@ -346,7 +344,7 @@ where
             (self.print_fn)(fmt);
 
             // Separate the spacing just a bit
-            (self.print_fn)("".to_string());
+            (self.print_fn)(String::new());
         }
     }
 }

libafl/src/mutators/token_mutations.rs

@@ -623,7 +623,7 @@ token1="A\x41A"
 token2="B"
         "###;
         fs::write("test.tkns", data).expect("Unable to write test.tkns");
-        let tokens = Tokens::from_file(&"test.tkns").unwrap();
+        let tokens = Tokens::from_file("test.tkns").unwrap();
         #[cfg(feature = "std")]
         println!("Token file entries: {:?}", tokens.tokens());
         assert_eq!(tokens.tokens().len(), 2);

libafl/src/state/mod.rs

@@ -436,7 +436,7 @@ where
                 manager,
                 in_dir,
                 forced,
-                &mut |_, _, path| I::from_file(&path),
+                &mut |_, _, path| I::from_file(path),
             )?;
         }
         manager.fire(

libafl_cc/build.rs

@@ -92,7 +92,7 @@ fn exec_llvm_config(args: &[&str]) -> String {
 /// Use `xcrun` to get the path to the Xcode SDK tools library path, for linking
 fn find_macos_sdk_libs() -> String {
     let sdk_path_out = Command::new("xcrun")
-        .args(&["--show-sdk-path"])
+        .arg("--show-sdk-path")
         .output()
         .expect("Failed to execute xcrun. Make sure you have Xcode installed and executed `sudo xcode-select --install`");
     format!(
@@ -129,7 +129,7 @@ fn build_pass(
             .args(cxxflags)
             .arg(src_dir.join(src_file))
             .args(ldflags)
-            .args(&["-o"])
+            .arg("-o")
             .arg(out_dir.join(format!("{}.{}", src_stub, dll_extension())))
             .status()
             .unwrap_or_else(|_| panic!("Failed to compile {}", src_file))

libafl_cc/src/clang.rs

@@ -377,7 +377,7 @@ impl ClangWrapper {
             optimize: true,
             wrapped_cc: CLANG_PATH.into(),
             wrapped_cxx: CLANGXX_PATH.into(),
-            name: "".into(),
+            name: String::new(),
             is_cpp: false,
             linking: false,
             shared: false,

libafl_concolic/symcc_libafl/src/lib.rs

@@ -27,11 +27,11 @@ mod clone {
         );
 
         let mut cmd = Command::new("git");
-        cmd.arg("clone").arg(url).arg(&path);
+        cmd.arg("clone").arg(url).arg(path);
         let output = cmd.output().expect("failed to execute git clone");
         if output.status.success() {
             let mut cmd = Command::new("git");
-            cmd.arg("checkout").arg(commit).current_dir(&path);
+            cmd.arg("checkout").arg(commit).current_dir(path);
             let output = cmd.output().expect("failed to execute git checkout");
             if !output.status.success() {
                 println!("failed to checkout symcc git repository commit:");

libafl_concolic/test/dump_constraints/src/main.rs

@@ -97,7 +97,7 @@ fn main() {
         std::env::set_var(EXPRESSION_PRUNING, "1");
     }
 
-    let res = Command::new(&opt.program.first().expect("no program argument given"))
+    let res = Command::new(opt.program.first().expect("no program argument given"))
         .args(opt.program.iter().skip(1))
         .status()
         .expect("failed to spawn program");