From 9c227174afd28b5e889913a31c66cd97ffcc96b8 Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Thu, 30 Mar 2023 22:56:11 +0800
Subject: [PATCH] cargo fmt

---
 user/src/bin/sbrk_test.rs | 10 ++++++----
 user/src/syscall.rs       |  2 +-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/user/src/bin/sbrk_test.rs b/user/src/bin/sbrk_test.rs
index af21bd1..780693d 100644
--- a/user/src/bin/sbrk_test.rs
+++ b/user/src/bin/sbrk_test.rs
@@ -4,8 +4,8 @@
 #[macro_use]
 extern crate user_lib;
 
-use user_lib::sbrk;
 use core::ptr::slice_from_raw_parts_mut;
+use user_lib::sbrk;
 
 #[no_mangle]
 fn main() -> i32 {
@@ -15,12 +15,14 @@ fn main() -> i32 {
     println!("origin break point = {:x}", origin_brk);
     let brk = sbrk(PAGE_SIZE as i32);
     if brk != origin_brk {
-        return -1
+        return -1;
     }
     let brk = sbrk(0);
     println!("one page allocated,  break point = {:x}", brk);
     println!("try write to allocated page");
-    let new_page = unsafe { &mut *slice_from_raw_parts_mut(origin_brk as usize as *const u8 as *mut u8, PAGE_SIZE) };
+    let new_page = unsafe {
+        &mut *slice_from_raw_parts_mut(origin_brk as usize as *const u8 as *mut u8, PAGE_SIZE)
+    };
     for pos in 0..PAGE_SIZE {
         new_page[pos] = 1;
     }
@@ -35,7 +37,7 @@ fn main() -> i32 {
     let ret = sbrk(PAGE_SIZE as i32 * -1);
     if ret != -1 {
         println!("Test sbrk failed!");
-        return -1
+        return -1;
     }
     println!("Test sbrk almost OK!");
     println!("now write to deallocated page, should cause page fault.");
diff --git a/user/src/syscall.rs b/user/src/syscall.rs
index 73f936b..31144b9 100644
--- a/user/src/syscall.rs
+++ b/user/src/syscall.rs
@@ -38,4 +38,4 @@ pub fn sys_get_time() -> isize {
 
 pub fn sys_sbrk(size: i32) -> isize {
     syscall(SYSCALL_SBRK, [size as usize, 0, 0])
-}
\ No newline at end of file
+}