From 90eed30ad8bcb7681ff5a7de6ebe4df78904d068 Mon Sep 17 00:00:00 2001
From: Jeong YunWon <jeong@youknowone.org>
Date: Fri, 24 Sep 2021 18:29:44 +0900
Subject: [PATCH] remove compiler warnings

---
 vm/src/stdlib/nt.rs    | 13 +++++++------
 vm/src/stdlib/posix.rs | 13 +++++++------
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/vm/src/stdlib/nt.rs b/vm/src/stdlib/nt.rs
index 4d41f62499..9700c95932 100644
--- a/vm/src/stdlib/nt.rs
+++ b/vm/src/stdlib/nt.rs
@@ -331,6 +331,7 @@ pub(crate) mod module {
     fn _getdiskusage(path: PyPathLike, vm: &VirtualMachine) -> PyResult<(u64, u64)> {
         use um::fileapi::GetDiskFreeSpaceExW;
         use winapi::shared::{ntdef::ULARGE_INTEGER, winerror};
+
         let wpath = path.to_widecstring(vm)?;
         let mut _free_to_me = ULARGE_INTEGER::default();
         let mut total = ULARGE_INTEGER::default();
@@ -338,7 +339,7 @@ pub(crate) mod module {
         let ret =
             unsafe { GetDiskFreeSpaceExW(wpath.as_ptr(), &mut _free_to_me, &mut total, &mut free) };
         if ret != 0 {
-            return unsafe { Ok((*total.QuadPart(), *free.QuadPart())) };
+            return Ok(unsafe { (*total.QuadPart(), *free.QuadPart()) });
         }
         let err = io::Error::last_os_error();
         if err.raw_os_error() == Some(winerror::ERROR_DIRECTORY as i32) {
@@ -349,14 +350,14 @@ pub(crate) mod module {
                     GetDiskFreeSpaceExW(parent.as_ptr(), &mut _free_to_me, &mut total, &mut free)
                 };
 
-                if ret == 0 {
-                    return Err(errno_err(vm));
+                return if ret == 0 {
+                    Err(errno_err(vm))
                 } else {
-                    return unsafe { Ok((*total.QuadPart(), *free.QuadPart())) };
-                }
+                    Ok(unsafe { (*total.QuadPart(), *free.QuadPart()) })
+                };
             }
         }
-        return Err(err.into_pyexception(vm));
+        Err(err.into_pyexception(vm))
     }
 
     #[pyfunction]
diff --git a/vm/src/stdlib/posix.rs b/vm/src/stdlib/posix.rs
index 58d2bff55d..d8271541d9 100644
--- a/vm/src/stdlib/posix.rs
+++ b/vm/src/stdlib/posix.rs
@@ -31,17 +31,16 @@ pub(crate) fn make_module(vm: &VirtualMachine) -> PyObjectRef {
 pub mod module {
     use crate::{
         builtins::{int, PyDictRef, PyInt, PyListRef, PyStrRef, PyTupleRef, PyTypeRef},
-        crt_fd::Offset,
         exceptions::IntoPyException,
-        function::{FuncArgs, OptionalArg},
+        function::OptionalArg,
         slots::SlotConstructor,
         stdlib::os::{
             errno_err, DirFd, FollowSymlinks, PathOrFd, PyPathLike, SupportFunc, TargetIsDirectory,
             _os, fs_metadata,
         },
         utils::{Either, ToCString},
-        IntoPyObject, ItemProtocol, PyObjectRef, PyResult, PyValue, StaticType,
-        TryFromBorrowedObject, TryFromObject, VirtualMachine,
+        IntoPyObject, ItemProtocol, PyObjectRef, PyResult, PyValue, StaticType, TryFromObject,
+        VirtualMachine,
     };
     use bitflags::bitflags;
     use nix::fcntl;
@@ -963,6 +962,8 @@ pub mod module {
     #[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "macos"))]
     impl PosixSpawnArgs {
         fn spawn(self, spawnp: bool, vm: &VirtualMachine) -> PyResult<libc::pid_t> {
+            use crate::TryFromBorrowedObject;
+
             let path = CString::new(self.path.into_bytes())
                 .map_err(|_| vm.new_value_error("path should not have nul bytes".to_owned()))?;
 
@@ -983,7 +984,7 @@ pub mod module {
                     let id = PosixSpawnFileActionIdentifier::try_from(id).map_err(|_| {
                         vm.new_type_error("Unknown file_actions identifier".to_owned())
                     })?;
-                    let args = FuncArgs::from(args.to_vec());
+                    let args: crate::function::FuncArgs = args.to_vec().into();
                     let ret = match id {
                         PosixSpawnFileActionIdentifier::Open => {
                             let (fd, path, oflag, mode): (_, PyPathLike, _, _) = args.bind(vm)?;
@@ -1567,7 +1568,7 @@ pub mod module {
         #[pyarg(any)]
         in_fd: i32,
         #[pyarg(any)]
-        offset: Offset,
+        offset: crate::crt_fd::Offset,
         #[pyarg(any)]
         count: i64,
         #[cfg(target_os = "macos")]