tackle some lints

src/header/sys_time/mod.rs

@@ -131,11 +131,11 @@ pub unsafe extern "C" fn utimes(path: *const c_char, times: *const timeval) -> c
         [
             timespec {
                 tv_sec: unsafe { (*times.offset(0)).tv_sec },
-                tv_nsec: (unsafe { (*times.offset(0)).tv_usec } as c_long) * 1000,
+                tv_nsec: c_long::from(unsafe { (*times.offset(0)).tv_usec }) * 1000,
             },
             timespec {
                 tv_sec: unsafe { (*times.offset(1)).tv_sec },
-                tv_nsec: (unsafe { (*times.offset(1)).tv_usec } as c_long) * 1000,
+                tv_nsec: c_long::from(unsafe { (*times.offset(1)).tv_usec }) * 1000,
             },
         ]
         .as_ptr()

src/header/time/mod.rs

@@ -480,7 +480,7 @@ pub unsafe extern "C" fn timelocal(tm: *mut tm) -> time_t {
         (*tm).tm_wday = dt.weekday().num_days_from_sunday() as _;
         (*tm).tm_yday = dt.ordinal0() as _; // day of year starting at 0
         (*tm).tm_isdst = dt.offset().dst_offset().num_hours() as _;
-        (*tm).tm_gmtoff = dt.offset().fix().local_minus_utc() as _;
+        (*tm).tm_gmtoff = dt.offset().fix().local_minus_utc().into();
         (*tm).tm_zone = tz_name.into_raw().cast();
     }
 
@@ -714,7 +714,7 @@ unsafe fn datetime_to_tm(local_time: &DateTime<Tz>) -> tm {
     let offset = local_time.offset();
     t.tm_isdst = offset.dst_offset().num_hours() as _;
     // Get the UTC offset in seconds
-    t.tm_gmtoff = offset.fix().local_minus_utc() as _;
+    t.tm_gmtoff = offset.fix().local_minus_utc().into();
 
     let tm_zone = {
         let mut timezone_names = TIMEZONE_NAMES.lock();

src/header/unistd/mod.rs

@@ -1160,9 +1160,13 @@ pub unsafe extern "C" fn unlink(path: *const c_char) -> c_int {
 #[deprecated]
 #[unsafe(no_mangle)]
 pub extern "C" fn usleep(useconds: useconds_t) -> c_int {
+    #[cfg(not(target_arch = "x86"))]
+    let tv_nsec = c_long::from((useconds % 1_000_000) * 1000);
+    #[cfg(target_arch = "x86")]
+    let tv_nsec = ((useconds % 1_000_000) * 1000) as c_long;
     let rqtp = timespec {
         tv_sec: time_t::from(useconds / 1_000_000),
-        tv_nsec: ((useconds % 1_000_000) * 1000) as c_long,
+        tv_nsec,
     };
     let rmtp = ptr::null_mut();
     unsafe { Sys::nanosleep(&raw const rqtp, rmtp) }

src/ld_so/linker.rs

@@ -561,10 +561,10 @@ impl Linker {
 
             let _ = self.objects.remove(&obj.id).unwrap();
             for dep in obj.dependencies() {
-                if let Some(name) = self.name_to_object_id_map.get(*dep) {
-                    if let Some(object_name) = self.objects.get(name) {
-                        self.unload(ObjectHandle::new(object_name.clone()));
-                    }
+                if let Some(name) = self.name_to_object_id_map.get(*dep)
+                    && let Some(object_name) = self.objects.get(name)
+                {
+                    self.unload(ObjectHandle::new(object_name.clone()));
                 }
             }
             self.name_to_object_id_map.remove(&obj.name);