cleanup: Also unused fields are Padding ones

Author: 3v1n0

src/fuchsia/mod.rs

@@ -478,7 +478,7 @@ s! {
         #[cfg(target_endian = "little")]
         pub f_fsid: c_ulong,
         #[cfg(all(target_pointer_width = "32", not(target_arch = "x86_64")))]
-        __f_unused: c_int,
+        __f_unused: Padding<c_int>,
         #[cfg(target_endian = "big")]
         pub f_fsid: c_ulong,
         pub f_flag: c_ulong,

src/unix/bsd/freebsdlike/dragonfly/mod.rs

@@ -215,7 +215,7 @@ s! {
         pub cr_uid: crate::uid_t,
         pub cr_ngroups: c_short,
         pub cr_groups: [crate::gid_t; 16],
-        __cr_unused1: *mut c_void,
+        __cr_unused1: Padding<*mut c_void>,
     }
 
     pub struct stack_t {
@@ -260,8 +260,8 @@ s! {
         pub cp_sys: u64,
         pub cp_intr: u64,
         pub cp_idel: u64,
-        cp_unused01: u64,
-        cp_unused02: u64,
+        cp_unused01: Padding<u64>,
+        cp_unused02: Padding<u64>,
         pub cp_sample_pc: u64,
         pub cp_sample_sp: u64,
         pub cp_msg: [c_char; 32],
@@ -382,8 +382,8 @@ s! {
         pub vm_daddr: *mut c_char,
         pub vm_maxsaddr: *mut c_char,
         pub vm_minsaddr: *mut c_char,
-        _unused1: c_int,
-        _unused2: c_int,
+        _unused1: Padding<c_int>,
+        _unused2: Padding<c_int>,
         pub vm_pagesupply: c_int,
         pub vm_holdcnt: c_uint,
         pub vm_refcnt: c_uint,

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -1616,7 +1616,7 @@ s_no_extra_traits! {
     }
 
     pub union __c_anonymous_cr_pid {
-        __cr_unused: *mut c_void,
+        __cr_unused: Padding<*mut c_void>,
         pub cr_pid: crate::pid_t,
     }
 

src/unix/bsd/netbsdlike/netbsd/mod.rs

@@ -232,7 +232,7 @@ s! {
         ))]
         ptm_pad1: Padding<[u8; 3]>,
         // actually a union with a non-unused, 0-initialized field
-        ptm_unused: __pthread_spin_t,
+        ptm_unused: Padding<__pthread_spin_t>,
         #[cfg(any(
             target_arch = "sparc",
             target_arch = "sparc64",
@@ -1282,7 +1282,7 @@ cfg_if! {
             ptm_magic: 0x33330003,
             ptm_errorcheck: 0,
             ptm_pad1: Padding::uninit(),
-            ptm_unused: 0,
+            ptm_unused: Padding::uninit(),
             ptm_pad2: Padding::uninit(),
             ptm_waiters: 0 as *mut _,
             ptm_owner: 0,
@@ -1293,7 +1293,7 @@ cfg_if! {
         pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t {
             ptm_magic: 0x33330003,
             ptm_errorcheck: 0,
-            ptm_unused: 0,
+            ptm_unused: Padding::uninit(),
             ptm_waiters: 0 as *mut _,
             ptm_owner: 0,
             ptm_recursed: 0,

src/unix/bsd/netbsdlike/openbsd/aarch64.rs

@@ -4,7 +4,7 @@ pub type ucontext_t = sigcontext;
 
 s! {
     pub struct sigcontext {
-        __sc_unused: c_int,
+        __sc_unused: Padding<c_int>,
         pub sc_mask: c_int,
         pub sc_sp: c_ulong,
         pub sc_lr: c_ulong,

src/unix/bsd/netbsdlike/openbsd/riscv64.rs

@@ -4,7 +4,7 @@ pub type ucontext_t = sigcontext;
 
 s! {
     pub struct sigcontext {
-        __sc_unused: c_int,
+        __sc_unused: Padding<c_int>,
         pub sc_mask: c_int,
         pub sc_ra: c_long,
         pub sc_sp: c_long,

src/unix/bsd/netbsdlike/openbsd/x86_64.rs

@@ -32,7 +32,7 @@ s! {
         pub sc_rsp: c_long,
         pub sc_ss: c_long,
         pub sc_fpstate: *mut fxsave64,
-        __sc_unused: c_int,
+        __sc_unused: Padding<c_int>,
         pub sc_mask: c_int,
         pub sc_cookie: c_long,
     }
@@ -42,15 +42,15 @@ s! {
         pub fx_fcw: u16,
         pub fx_fsw: u16,
         pub fx_ftw: u8,
-        __fx_unused1: u8,
+        __fx_unused1: Padding<u8>,
         pub fx_fop: u16,
         pub fx_rip: u64,
         pub fx_rdp: u64,
         pub fx_mxcsr: u32,
         pub fx_mxcsr_mask: u32,
         pub fx_st: [[u64; 2]; 8],
         pub fx_xmm: [[u64; 2]; 16],
-        __fx_unused3: [u8; 96],
+        __fx_unused3: Padding<[u8; 96]>,
     }
 }
 

src/unix/cygwin/mod.rs

@@ -468,7 +468,7 @@ s! {
         __d_version: u32,
         pub d_ino: ino_t,
         pub d_type: c_uchar,
-        __d_unused1: [c_uchar; 3],
+        __d_unused1: Padding<[c_uchar; 3]>,
         __d_internal1: u32,
         pub d_name: [c_char; 256],
     }

src/unix/haiku/mod.rs

@@ -292,14 +292,14 @@ s! {
     pub struct pthread_mutex_t {
         flags: u32,
         lock: i32,
-        unused: i32,
+        unused: Padding<i32>,
         owner: i32,
         owner_count: i32,
     }
 
     pub struct pthread_cond_t {
         flags: u32,
-        unused: i32,
+        unused: Padding<i32>,
         mutex: *mut c_void,
         waiter_count: i32,
         lock: i32,
@@ -1090,13 +1090,13 @@ pub const PTHREAD_STACK_MIN: size_t = 8192;
 pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t {
     flags: 0,
     lock: 0,
-    unused: -42,
+    unused: Padding::uninit(),
     owner: -1,
     owner_count: 0,
 };
 pub const PTHREAD_COND_INITIALIZER: pthread_cond_t = pthread_cond_t {
     flags: 0,
-    unused: -42,
+    unused: Padding::uninit(),
     mutex: 0 as *mut _,
     waiter_count: 0,
     lock: 0,

src/unix/hurd/mod.rs

@@ -708,7 +708,7 @@ s! {
     }
 
     pub struct _IO_FILE {
-        _unused: [u8; 0],
+        _unused: Padding<[u8; 0]>,
     }
 
     pub struct sched_param {