(ansi-term PR 74): Shrink unsafe block in windows::enable_ansi_support()

src/windows.rs

@@ -22,40 +22,40 @@ pub fn enable_ansi_support() -> Result<(), u32> {
 
     const ENABLE_VIRTUAL_TERMINAL_PROCESSING: u32 = 0x0004;
 
-    unsafe {
+
         // ref: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew
         // Using `CreateFileW("CONOUT$", ...)` to retrieve the console handle works correctly even if STDOUT and/or STDERR are redirected
         let console_out_name: Vec<u16> = OsStr::new("CONOUT$").encode_wide().chain(once(0)).collect();
-        let console_handle = CreateFileW(
+        let console_handle = unsafe { CreateFileW(
             console_out_name.as_ptr(),
             GENERIC_READ | GENERIC_WRITE,
             FILE_SHARE_WRITE,
             null_mut(),
             OPEN_EXISTING,
             0,
             null_mut(),
-        );
+        ) };
         if console_handle == INVALID_HANDLE_VALUE
         {
-            return Err(GetLastError());
+            return Err(unsafe { GetLastError() });
         }
 
         // ref: https://docs.microsoft.com/en-us/windows/console/getconsolemode
         let mut console_mode: u32 = 0;
-        if 0 == GetConsoleMode(console_handle, &mut console_mode)
+        if 0 == unsafe { GetConsoleMode(console_handle, &mut console_mode) }
         {
-            return Err(GetLastError());
+            return Err(unsafe { GetLastError() });
         }
 
         // VT processing not already enabled?
         if console_mode & ENABLE_VIRTUAL_TERMINAL_PROCESSING == 0 {
             // https://docs.microsoft.com/en-us/windows/console/setconsolemode
-            if 0 == SetConsoleMode(console_handle, console_mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+            if 0 == unsafe { SetConsoleMode(console_handle, console_mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING) }
             {
-                return Err(GetLastError());
+                return Err(unsafe { GetLastError() });
             }
         }
-    }
+
 
     return Ok(());
 }