auronandace
114 lines
3.4 KiB
Rust
114 lines
3.4 KiB
Rust
//! `endian.h` implementation.
|
|
//!
|
|
//! See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/endian.h.html>.
|
|
|
|
use crate::platform::types::{uint16_t, uint32_t, uint64_t};
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint16_t` from big endian representation to host endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn be16toh(x: uint16_t) -> uint16_t {
|
|
uint16_t::from_be(x)
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint32_t` from big endian representation to host endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn be32toh(x: uint32_t) -> uint32_t {
|
|
uint32_t::from_be(x)
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint64_t` from big endian representation to host endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn be64toh(x: uint64_t) -> uint64_t {
|
|
uint64_t::from_be(x)
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint16_t` from host endian representation to big endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn htobe16(x: uint16_t) -> uint16_t {
|
|
x.to_be()
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint32_t` from host endian representation to big endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn htobe32(x: uint32_t) -> uint32_t {
|
|
x.to_be()
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint64_t` from host endian representation to big endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn htobe64(x: uint64_t) -> uint64_t {
|
|
x.to_be()
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint16_t` from host endian representation to little endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn htole16(x: uint16_t) -> uint16_t {
|
|
x.to_le()
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint32_t` from host endian representation to little endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn htole32(x: uint32_t) -> uint32_t {
|
|
x.to_le()
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint64_t` from host endian representation to little endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn htole64(x: uint64_t) -> uint64_t {
|
|
x.to_le()
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint16_t` from little endian representation to host endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn le16toh(x: uint16_t) -> uint16_t {
|
|
uint16_t::from_le(x)
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint32_t` from little endian representation to host endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn le32toh(x: uint32_t) -> uint32_t {
|
|
uint32_t::from_le(x)
|
|
}
|
|
|
|
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/be16toh.html>.
|
|
///
|
|
/// Convert a `uint64_t` from little endian representation to host endian
|
|
/// respresentation.
|
|
#[unsafe(no_mangle)]
|
|
pub extern "C" fn le64toh(x: uint64_t) -> uint64_t {
|
|
uint64_t::from_le(x)
|
|
}
|