Initial setup of glibc source reorganization

src/new/glibc/mod.rs

@@ -0,0 +1,6 @@
+cfg_if! {
+    if #[cfg(target_family = "unix")] {
+        mod unix;
+        pub use unix::*;
+    }
+}

src/new/glibc/unix/linux/mod.rs

@@ -0,0 +1,2 @@
+mod net;
+pub use net::*;

src/new/glibc/unix/linux/net/mod.rs

@@ -0,0 +1,2 @@
+mod route;
+pub use route::*;

src/new/glibc/unix/linux/net/route.rs

@@ -0,0 +1,27 @@
+//! Header: `sysdeps/unix/sysv/linux/net/route.h`
+
+use crate::prelude::*;
+
+s! {
+    pub struct rtentry {
+        pub rt_pad1: c_ulong,
+        pub rt_dst: crate::sockaddr,
+        pub rt_gateway: crate::sockaddr,
+        pub rt_genmask: crate::sockaddr,
+        pub rt_flags: c_ushort,
+        pub rt_pad2: c_short,
+        pub rt_pad3: c_ulong,
+        pub rt_tos: c_uchar,
+        pub rt_class: c_uchar,
+        // FIXME(1.0): private padding fields
+        #[cfg(target_pointer_width = "64")]
+        pub rt_pad4: [c_short; 3usize],
+        #[cfg(not(target_pointer_width = "64"))]
+        pub rt_pad4: c_short,
+        pub rt_metric: c_short,
+        pub rt_dev: *mut c_char,
+        pub rt_mtu: c_ulong,
+        pub rt_window: c_ulong,
+        pub rt_irtt: c_ushort,
+    }
+}

src/new/glibc/unix/mod.rs

@@ -0,0 +1,6 @@
+cfg_if! {
+    if #[cfg(target_os = "linux")] {
+mod linux;
+pub use linux::*;
+            }
+}

src/new/mod.rs

@@ -10,3 +10,10 @@ cfg_if! {
         pub use linux_uapi::*;
     }
 }
+
+cfg_if! {
+    if #[cfg(all(target_os = "linux", target_env = "gnu"))] {
+        mod glibc;
+        pub use glibc::*;
+    }
+}

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

@@ -131,27 +131,6 @@ s! {
         pub nm_gid: u32,
     }
 
-    pub struct rtentry {
-        pub rt_pad1: c_ulong,
-        pub rt_dst: crate::sockaddr,
-        pub rt_gateway: crate::sockaddr,
-        pub rt_genmask: crate::sockaddr,
-        pub rt_flags: c_ushort,
-        pub rt_pad2: c_short,
-        pub rt_pad3: c_ulong,
-        pub rt_tos: c_uchar,
-        pub rt_class: c_uchar,
-        #[cfg(target_pointer_width = "64")]
-        pub rt_pad4: [c_short; 3usize],
-        #[cfg(not(target_pointer_width = "64"))]
-        pub rt_pad4: c_short,
-        pub rt_metric: c_short,
-        pub rt_dev: *mut c_char,
-        pub rt_mtu: c_ulong,
-        pub rt_window: c_ulong,
-        pub rt_irtt: c_ushort,
-    }
-
     pub struct ntptimeval {
         pub time: crate::timeval,
         pub maxerror: c_long,