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use crate::backend::c;
/// The windows `sockaddr_in6` type is a union with accessor functions which
/// are not `const fn`. Define our own layout-compatible version so that we
/// can transmute in and out of it.
#[cfg(windows)]
#[repr(C)]
struct sockaddr_in6 {
sin6_family: u16,
sin6_port: u16,
sin6_flowinfo: u32,
sin6_addr: c::in6_addr,
sin6_scope_id: u32,
}
#[cfg(not(windows))]
#[inline]
pub(crate) const fn in_addr_s_addr(addr: c::in_addr) -> u32 {
addr.s_addr
}
#[cfg(windows)]
#[inline]
pub(crate) const fn in_addr_s_addr(addr: c::in_addr) -> u32 {
// This should be `*addr.S_un.S_addr()`, except that isn't a `const fn`.
unsafe { core::mem::transmute(addr) }
}
#[cfg(not(windows))]
#[inline]
pub(crate) const fn in_addr_new(s_addr: u32) -> c::in_addr {
c::in_addr { s_addr }
}
#[cfg(windows)]
#[inline]
pub(crate) const fn in_addr_new(s_addr: u32) -> c::in_addr {
unsafe { core::mem::transmute(s_addr) }
}
#[cfg(not(windows))]
#[inline]
pub(crate) const fn in6_addr_s6_addr(addr: c::in6_addr) -> [u8; 16] {
addr.s6_addr
}
#[cfg(windows)]
#[inline]
pub(crate) const fn in6_addr_s6_addr(addr: c::in6_addr) -> [u8; 16] {
unsafe { core::mem::transmute(addr) }
}
#[cfg(not(windows))]
#[inline]
pub(crate) const fn in6_addr_new(s6_addr: [u8; 16]) -> c::in6_addr {
c::in6_addr { s6_addr }
}
#[cfg(windows)]
#[inline]
pub(crate) const fn in6_addr_new(s6_addr: [u8; 16]) -> c::in6_addr {
unsafe { core::mem::transmute(s6_addr) }
}
#[cfg(not(windows))]
#[inline]
pub(crate) const fn sockaddr_in6_sin6_scope_id(addr: &c::sockaddr_in6) -> u32 {
addr.sin6_scope_id
}
#[cfg(windows)]
#[inline]
pub(crate) const fn sockaddr_in6_sin6_scope_id(addr: &c::sockaddr_in6) -> u32 {
let addr: &sockaddr_in6 = unsafe { core::mem::transmute(addr) };
addr.sin6_scope_id
}
#[cfg(not(windows))]
#[inline]
pub(crate) const fn sockaddr_in6_new(
#[cfg(any(
bsd,
target_os = "aix",
target_os = "espidf",
target_os = "haiku",
target_os = "nto"
))]
sin6_len: u8,
sin6_family: c::sa_family_t,
sin6_port: u16,
sin6_flowinfo: u32,
sin6_addr: c::in6_addr,
sin6_scope_id: u32,
) -> c::sockaddr_in6 {
c::sockaddr_in6 {
#[cfg(any(
bsd,
target_os = "aix",
target_os = "espidf",
target_os = "haiku",
target_os = "nto"
))]
sin6_len,
sin6_family,
sin6_port,
sin6_flowinfo,
sin6_addr,
sin6_scope_id,
#[cfg(solarish)]
__sin6_src_id: 0,
}
}
#[cfg(windows)]
#[inline]
pub(crate) const fn sockaddr_in6_new(
sin6_family: u16,
sin6_port: u16,
sin6_flowinfo: u32,
sin6_addr: c::in6_addr,
sin6_scope_id: u32,
) -> c::sockaddr_in6 {
let addr = sockaddr_in6 {
sin6_family,
sin6_port,
sin6_flowinfo,
sin6_addr,
sin6_scope_id,
};
unsafe { core::mem::transmute(addr) }
}
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