#[allow(unused_macros)]
macro_rules! cfg_if {
($(
if #[cfg($($meta:meta),*)] { $($it:item)* }
) else * else {
$($it2:item)*
}) => {
cfg_if! {
@__items
() ;
$( ( ($($meta),*) ($($it)*) ), )*
( () ($($it2)*) ),
}
};
(
if #[cfg($($i_met:meta),*)] { $($i_it:item)* }
$(
else if #[cfg($($e_met:meta),*)] { $($e_it:item)* }
)*
) => {
cfg_if! {
@__items
() ;
( ($($i_met),*) ($($i_it)*) ),
$( ( ($($e_met),*) ($($e_it)*) ), )*
( () () ),
}
};
(@__items ($($not:meta,)*) ; ) => {};
(@__items ($($not:meta,)*) ; ( ($($m:meta),*) ($($it:item)*) ),
$($rest:tt)*) => {
cfg_if! { @__apply cfg(all($($m,)* not(any($($not),*)))), $($it)* }
cfg_if! { @__items ($($not,)* $($m,)*) ; $($rest)* }
};
(@__apply $m:meta, $($it:item)*) => {
$(#[$m] $it)*
};
}
#[allow(unused_macros)]
macro_rules! s {
($($(#[$attr:meta])* pub $t:ident $i:ident { $($field:tt)* })*) => ($(
s!(it: $(#[$attr])* pub $t $i { $($field)* });
)*);
(it: $(#[$attr:meta])* pub union $i:ident { $($field:tt)* }) => (
compile_error!("unions cannot derive extra traits, use s_no_extra_traits instead");
);
(it: $(#[$attr:meta])* pub struct $i:ident { $($field:tt)* }) => (
__item! {
#[repr(C)]
#[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
#[allow(deprecated)]
$(#[$attr])*
pub struct $i { $($field)* }
}
#[allow(deprecated)]
impl ::Copy for $i {}
#[allow(deprecated)]
impl ::Clone for $i {
fn clone(&self) -> $i { *self }
}
);
}
#[allow(unused_macros)]
macro_rules! s_no_extra_traits {
($($(#[$attr:meta])* pub $t:ident $i:ident { $($field:tt)* })*) => ($(
s_no_extra_traits!(it: $(#[$attr])* pub $t $i { $($field)* });
)*);
(it: $(#[$attr:meta])* pub union $i:ident { $($field:tt)* }) => (
cfg_if! {
if #[cfg(libc_union)] {
__item! {
#[repr(C)]
$(#[$attr])*
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])*
pub struct $i { $($field)* }
}
impl ::Copy for $i {}
impl ::Clone for $i {
fn clone(&self) -> $i { *self }
}
);
}
#[allow(unused_macros)]
macro_rules! e {
($($(#[$attr:meta])* pub enum $i:ident { $($field:tt)* })*) => ($(
__item! {
#[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
$(#[$attr])*
pub enum $i { $($field)* }
}
impl ::Copy for $i {}
impl ::Clone for $i {
fn clone(&self) -> $i { *self }
}
)*);
}
#[allow(unused_macros)]
macro_rules! s_paren {
($($(#[$attr:meta])* pub struct $i:ident ( $($field:tt)* ); )* ) => ($(
__item! {
#[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
$(#[$attr])*
pub struct $i ( $($field)* );
}
impl ::Copy for $i {}
impl ::Clone for $i {
fn clone(&self) -> $i { *self }
}
)*);
}
cfg_if! {
if #[cfg(libc_const_extern_fn)] {
#[allow(unused_macros)]
macro_rules! f {
($(pub $({$constness:ident})* fn $i:ident(
$($arg:ident: $argty:ty),*
) -> $ret:ty {
$($body:stmt);*
})*) => ($(
#[inline]
pub $($constness)* unsafe extern fn $i($($arg: $argty),*
) -> $ret {
$($body);*
}
)*)
}
#[allow(unused_macros)]
macro_rules! safe_f {
($(pub $({$constness:ident})* fn $i:ident(
$($arg:ident: $argty:ty),*
) -> $ret:ty {
$($body:stmt);*
})*) => ($(
#[inline]
pub $($constness)* extern fn $i($($arg: $argty),*
) -> $ret {
$($body);*
}
)*)
}
#[allow(unused_macros)]
macro_rules! const_fn {
($($({$constness:ident})* fn $i:ident(
$($arg:ident: $argty:ty),*
) -> $ret:ty {
$($body:stmt);*
})*) => ($(
#[inline]
$($constness)* fn $i($($arg: $argty),*
) -> $ret {
$($body);*
}
)*)
}
} else {
#[allow(unused_macros)]
macro_rules! f {
($(pub $({$constness:ident})* fn $i:ident(
$($arg:ident: $argty:ty),*
) -> $ret:ty {
$($body:stmt);*
})*) => ($(
#[inline]
pub unsafe extern fn $i($($arg: $argty),*
) -> $ret {
$($body);*
}
)*)
}
#[allow(unused_macros)]
macro_rules! safe_f {
($(pub $({$constness:ident})* fn $i:ident(
$($arg:ident: $argty:ty),*
) -> $ret:ty {
$($body:stmt);*
})*) => ($(
#[inline]
pub extern fn $i($($arg: $argty),*
) -> $ret {
$($body);*
}
)*)
}
#[allow(unused_macros)]
macro_rules! const_fn {
($($({$constness:ident})* fn $i:ident(
$($arg:ident: $argty:ty),*
) -> $ret:ty {
$($body:stmt);*
})*) => ($(
#[inline]
fn $i($($arg: $argty),*
) -> $ret {
$($body);*
}
)*)
}
}
}
#[allow(unused_macros)]
macro_rules! __item {
($i:item) => {
$i
};
}
#[allow(unused_macros)]
macro_rules! align_const {
($($(#[$attr:meta])*
pub const $name:ident : $t1:ty
= $t2:ident { $($field:tt)* };)*) => ($(
#[cfg(libc_align)]
$(#[$attr])*
pub const $name : $t1 = $t2 {
$($field)*
};
#[cfg(not(libc_align))]
$(#[$attr])*
pub const $name : $t1 = $t2 {
$($field)*
__align: [],
};
)*)
}
#[allow(unused_macros)]
macro_rules! deprecated_mach {
(pub const $id:ident: $ty:ty = $expr:expr;) => {
#[deprecated(
since = "0.2.55",
note = "Use the `mach` crate instead",
)]
#[allow(deprecated)]
pub const $id: $ty = $expr;
};
($(pub const $id:ident: $ty:ty = $expr:expr;)*) => {
$(
deprecated_mach!(
pub const $id: $ty = $expr;
);
)*
};
(pub type $id:ident = $ty:ty;) => {
#[deprecated(
since = "0.2.55",
note = "Use the `mach` crate instead",
)]
#[allow(deprecated)]
pub type $id = $ty;
};
($(pub type $id:ident = $ty:ty;)*) => {
$(
deprecated_mach!(
pub type $id = $ty;
);
)*
}
}