Allow cfg attributes in s! and use it for mips-special statfs structure

Author: bossmc

src/macros.rs

@@ -82,16 +82,11 @@ macro_rules! s {
         __item! {
             #[repr(C)]
             #[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
+            #[derive(Copy, Clone)]
             #[allow(deprecated)]
             $(#[$attr])*
             pub struct $i { $($field)* }
         }
-        #[allow(deprecated)]
-        impl ::Copy for $i {}
-        #[allow(deprecated)]
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     );
 }
 
@@ -106,13 +101,10 @@ macro_rules! s_paren {
     )*) => ($(
         __item! {
             #[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
+            #[derive(Copy, Clone)]
             $(#[$attr])*
             pub struct $i ( $($field)* );
         }
-        impl ::Copy for $i {}
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     )*);
 }
 
@@ -131,27 +123,18 @@ macro_rules! s_no_extra_traits {
         __item! {
             #[repr(C)]
             $(#[$attr])*
+            #[derive(Copy, Clone)]
             pub union $i { $($field)* }
         }
-
-        impl ::Copy for $i {}
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     );
 
     (it: $(#[$attr:meta])* pub struct $i:ident { $($field:tt)* }) => (
         __item! {
             #[repr(C)]
             $(#[$attr])*
+            #[derive(Copy, Clone)]
             pub struct $i { $($field)* }
         }
-        #[allow(deprecated)]
-        impl ::Copy for $i {}
-        #[allow(deprecated)]
-        impl ::Clone for $i {
-            fn clone(&self) -> $i { *self }
-        }
     );
 }
 

src/unix/linux_like/linux/musl/mod.rs

@@ -453,41 +453,39 @@ s! {
         //pub tcpi_rcv_ooopack: u32,
         //pub tcpi_snd_wnd: u32,
     }
-}
 
-cfg_if! {
-    if #[cfg(not(target_arch = "mips"))] {
-        s! {
-            pub struct statfs {
-                pub f_type: ::c_ulong,
-                pub f_bsize: ::c_ulong,
-                pub f_blocks: ::fsblkcnt_t,
-                pub f_bfree: ::fsblkcnt_t,
-                pub f_bavail: ::fsblkcnt_t,
-                pub f_files: ::fsfilcnt_t,
-                pub f_ffree: ::fsfilcnt_t,
-                pub f_fsid: ::fsid_t,
-                pub f_namelen: ::c_ulong,
-                pub f_frsize: ::c_ulong,
-                pub f_flags: ::c_ulong,
-                pub f_spare: [::c_ulong; 4],
-            }
+    // MIPS implementation is special (see mips arch folders)
+    #[cfg(not(target_arch = "mips"))]
+    pub struct statfs {
+        pub f_type: ::c_ulong,
+        pub f_bsize: ::c_ulong,
+        pub f_blocks: ::fsblkcnt_t,
+        pub f_bfree: ::fsblkcnt_t,
+        pub f_bavail: ::fsblkcnt_t,
+        pub f_files: ::fsfilcnt_t,
+        pub f_ffree: ::fsfilcnt_t,
+        pub f_fsid: ::fsid_t,
+        pub f_namelen: ::c_ulong,
+        pub f_frsize: ::c_ulong,
+        pub f_flags: ::c_ulong,
+        pub f_spare: [::c_ulong; 4],
+    }
 
-            pub struct statfs64 {
-                pub f_type: ::c_ulong,
-                pub f_bsize: ::c_ulong,
-                pub f_blocks: ::fsblkcnt64_t,
-                pub f_bfree: ::fsblkcnt64_t,
-                pub f_bavail: ::fsblkcnt64_t,
-                pub f_files: ::fsfilcnt64_t,
-                pub f_ffree: ::fsfilcnt64_t,
-                pub f_fsid: ::fsid_t,
-                pub f_namelen: ::c_ulong,
-                pub f_frsize: ::c_ulong,
-                pub f_flags: ::c_ulong,
-                pub f_spare: [::c_ulong; 4],
-            }
-        }
+    // MIPS implementation is special (see mips arch folders)
+    #[cfg(not(target_arch = "mips"))]
+    pub struct statfs64 {
+        pub f_type: ::c_ulong,
+        pub f_bsize: ::c_ulong,
+        pub f_blocks: ::fsblkcnt64_t,
+        pub f_bfree: ::fsblkcnt64_t,
+        pub f_bavail: ::fsblkcnt64_t,
+        pub f_files: ::fsfilcnt64_t,
+        pub f_ffree: ::fsfilcnt64_t,
+        pub f_fsid: ::fsid_t,
+        pub f_namelen: ::c_ulong,
+        pub f_frsize: ::c_ulong,
+        pub f_flags: ::c_ulong,
+        pub f_spare: [::c_ulong; 4],
     }
 }