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|
#![allow(
dead_code,
non_snake_case,
non_camel_case_types,
non_upper_case_globals
)]
#[repr(C)]
#[derive(Copy, Clone, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct __BindgenBitfieldUnit<Storage> {
storage: Storage,
}
impl<Storage> __BindgenBitfieldUnit<Storage> {
#[inline]
pub const fn new(storage: Storage) -> Self {
Self { storage }
}
}
impl<Storage> __BindgenBitfieldUnit<Storage>
where
Storage: AsRef<[u8]> + AsMut<[u8]>,
{
#[inline]
pub fn get_bit(&self, index: usize) -> bool {
debug_assert!(index / 8 < self.storage.as_ref().len());
let byte_index = index / 8;
let byte = self.storage.as_ref()[byte_index];
let bit_index = if cfg!(target_endian = "big") {
7 - (index % 8)
} else {
index % 8
};
let mask = 1 << bit_index;
byte & mask == mask
}
#[inline]
pub fn set_bit(&mut self, index: usize, val: bool) {
debug_assert!(index / 8 < self.storage.as_ref().len());
let byte_index = index / 8;
let byte = &mut self.storage.as_mut()[byte_index];
let bit_index = if cfg!(target_endian = "big") {
7 - (index % 8)
} else {
index % 8
};
let mask = 1 << bit_index;
if val {
*byte |= mask;
} else {
*byte &= !mask;
}
}
#[inline]
pub fn get(&self, bit_offset: usize, bit_width: u8) -> u64 {
debug_assert!(bit_width <= 64);
debug_assert!(bit_offset / 8 < self.storage.as_ref().len());
debug_assert!(
(bit_offset + (bit_width as usize)) / 8 <=
self.storage.as_ref().len()
);
let mut val = 0;
for i in 0..(bit_width as usize) {
if self.get_bit(i + bit_offset) {
let index = if cfg!(target_endian = "big") {
bit_width as usize - 1 - i
} else {
i
};
val |= 1 << index;
}
}
val
}
#[inline]
pub fn set(&mut self, bit_offset: usize, bit_width: u8, val: u64) {
debug_assert!(bit_width <= 64);
debug_assert!(bit_offset / 8 < self.storage.as_ref().len());
debug_assert!(
(bit_offset + (bit_width as usize)) / 8 <=
self.storage.as_ref().len()
);
for i in 0..(bit_width as usize) {
let mask = 1 << i;
let val_bit_is_set = val & mask == mask;
let index = if cfg!(target_endian = "big") {
bit_width as usize - 1 - i
} else {
i
};
self.set_bit(index + bit_offset, val_bit_is_set);
}
}
}
#[repr(C)]
#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
pub struct bitfield {
pub _bitfield_align_1: [u8; 0],
pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
pub e: ::std::os::raw::c_int,
pub _bitfield_align_2: [u32; 0],
pub _bitfield_2: __BindgenBitfieldUnit<[u8; 8usize]>,
}
#[test]
fn bindgen_test_layout_bitfield() {
assert_eq!(
::std::mem::size_of::<bitfield>(),
16usize,
concat!("Size of: ", stringify!(bitfield))
);
assert_eq!(
::std::mem::align_of::<bitfield>(),
4usize,
concat!("Alignment of ", stringify!(bitfield))
);
assert_eq!(
unsafe {
let uninit = ::std::mem::MaybeUninit::<bitfield>::uninit();
let ptr = uninit.as_ptr();
::std::ptr::addr_of!((*ptr).e) as usize - ptr as usize
},
4usize,
concat!(
"Offset of field: ",
stringify!(bitfield),
"::",
stringify!(e)
)
);
}
impl bitfield {
#[inline]
pub fn a(&self) -> ::std::os::raw::c_ushort {
unsafe {
::std::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u16)
}
}
#[inline]
pub fn set_a(&mut self, val: ::std::os::raw::c_ushort) {
unsafe {
let val: u16 = ::std::mem::transmute(val);
self._bitfield_1.set(0usize, 1u8, val as u64)
}
}
#[inline]
pub fn b(&self) -> ::std::os::raw::c_ushort {
unsafe {
::std::mem::transmute(self._bitfield_1.get(1usize, 1u8) as u16)
}
}
#[inline]
pub fn set_b(&mut self, val: ::std::os::raw::c_ushort) {
unsafe {
let val: u16 = ::std::mem::transmute(val);
self._bitfield_1.set(1usize, 1u8, val as u64)
}
}
#[inline]
pub fn c(&self) -> ::std::os::raw::c_ushort {
unsafe {
::std::mem::transmute(self._bitfield_1.get(2usize, 1u8) as u16)
}
}
#[inline]
pub fn set_c(&mut self, val: ::std::os::raw::c_ushort) {
unsafe {
let val: u16 = ::std::mem::transmute(val);
self._bitfield_1.set(2usize, 1u8, val as u64)
}
}
#[inline]
pub fn d(&self) -> ::std::os::raw::c_ushort {
unsafe {
::std::mem::transmute(self._bitfield_1.get(6usize, 2u8) as u16)
}
}
#[inline]
pub fn set_d(&mut self, val: ::std::os::raw::c_ushort) {
unsafe {
let val: u16 = ::std::mem::transmute(val);
self._bitfield_1.set(6usize, 2u8, val as u64)
}
}
#[inline]
pub fn new_bitfield_1(
a: ::std::os::raw::c_ushort,
b: ::std::os::raw::c_ushort,
c: ::std::os::raw::c_ushort,
d: ::std::os::raw::c_ushort,
) -> __BindgenBitfieldUnit<[u8; 1usize]> {
let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> =
Default::default();
__bindgen_bitfield_unit.set(0usize, 1u8, {
let a: u16 = unsafe { ::std::mem::transmute(a) };
a as u64
});
__bindgen_bitfield_unit.set(1usize, 1u8, {
let b: u16 = unsafe { ::std::mem::transmute(b) };
b as u64
});
__bindgen_bitfield_unit.set(2usize, 1u8, {
let c: u16 = unsafe { ::std::mem::transmute(c) };
c as u64
});
__bindgen_bitfield_unit.set(6usize, 2u8, {
let d: u16 = unsafe { ::std::mem::transmute(d) };
d as u64
});
__bindgen_bitfield_unit
}
#[inline]
pub fn f(&self) -> ::std::os::raw::c_uint {
unsafe {
::std::mem::transmute(self._bitfield_2.get(0usize, 2u8) as u32)
}
}
#[inline]
pub fn set_f(&mut self, val: ::std::os::raw::c_uint) {
unsafe {
let val: u32 = ::std::mem::transmute(val);
self._bitfield_2.set(0usize, 2u8, val as u64)
}
}
#[inline]
pub fn g(&self) -> ::std::os::raw::c_uint {
unsafe {
::std::mem::transmute(self._bitfield_2.get(32usize, 32u8) as u32)
}
}
#[inline]
pub fn set_g(&mut self, val: ::std::os::raw::c_uint) {
unsafe {
let val: u32 = ::std::mem::transmute(val);
self._bitfield_2.set(32usize, 32u8, val as u64)
}
}
#[inline]
pub fn new_bitfield_2(
f: ::std::os::raw::c_uint,
g: ::std::os::raw::c_uint,
) -> __BindgenBitfieldUnit<[u8; 8usize]> {
let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 8usize]> =
Default::default();
__bindgen_bitfield_unit.set(0usize, 2u8, {
let f: u32 = unsafe { ::std::mem::transmute(f) };
f as u64
});
__bindgen_bitfield_unit.set(32usize, 32u8, {
let g: u32 = unsafe { ::std::mem::transmute(g) };
g as u64
});
__bindgen_bitfield_unit
}
}
|
