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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/gimli/src/endianity.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/gimli/src/endianity.rs')
-rw-r--r--vendor/gimli/src/endianity.rs256
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diff --git a/vendor/gimli/src/endianity.rs b/vendor/gimli/src/endianity.rs
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--- a/vendor/gimli/src/endianity.rs
+++ /dev/null
@@ -1,256 +0,0 @@
-//! Types for compile-time and run-time endianity.
-
-use core::convert::TryInto;
-use core::fmt::Debug;
-
-/// A trait describing the endianity of some buffer.
-pub trait Endianity: Debug + Default + Clone + Copy + PartialEq + Eq {
- /// Return true for big endian byte order.
- fn is_big_endian(self) -> bool;
-
- /// Return true for little endian byte order.
- #[inline]
- fn is_little_endian(self) -> bool {
- !self.is_big_endian()
- }
-
- /// Reads an unsigned 16 bit integer from `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 2`.
- #[inline]
- fn read_u16(self, buf: &[u8]) -> u16 {
- let bytes: &[u8; 2] = buf[..2].try_into().unwrap();
- if self.is_big_endian() {
- u16::from_be_bytes(*bytes)
- } else {
- u16::from_le_bytes(*bytes)
- }
- }
-
- /// Reads an unsigned 32 bit integer from `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 4`.
- #[inline]
- fn read_u32(self, buf: &[u8]) -> u32 {
- let bytes: &[u8; 4] = buf[..4].try_into().unwrap();
- if self.is_big_endian() {
- u32::from_be_bytes(*bytes)
- } else {
- u32::from_le_bytes(*bytes)
- }
- }
-
- /// Reads an unsigned 64 bit integer from `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 8`.
- #[inline]
- fn read_u64(self, buf: &[u8]) -> u64 {
- let bytes: &[u8; 8] = buf[..8].try_into().unwrap();
- if self.is_big_endian() {
- u64::from_be_bytes(*bytes)
- } else {
- u64::from_le_bytes(*bytes)
- }
- }
-
- /// Read an unsigned n-bytes integer u64.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 1` or `buf.len() > 8`.
- #[inline]
- fn read_uint(&mut self, buf: &[u8]) -> u64 {
- let mut tmp = [0; 8];
- if self.is_big_endian() {
- tmp[8 - buf.len()..].copy_from_slice(buf);
- } else {
- tmp[..buf.len()].copy_from_slice(buf);
- }
- self.read_u64(&tmp)
- }
-
- /// Reads a signed 16 bit integer from `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 2`.
- #[inline]
- fn read_i16(self, buf: &[u8]) -> i16 {
- self.read_u16(buf) as i16
- }
-
- /// Reads a signed 32 bit integer from `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 4`.
- #[inline]
- fn read_i32(self, buf: &[u8]) -> i32 {
- self.read_u32(buf) as i32
- }
-
- /// Reads a signed 64 bit integer from `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 8`.
- #[inline]
- fn read_i64(self, buf: &[u8]) -> i64 {
- self.read_u64(buf) as i64
- }
-
- /// Reads a 32 bit floating point number from `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 8`.
- #[inline]
- fn read_f32(self, buf: &[u8]) -> f32 {
- f32::from_bits(self.read_u32(buf))
- }
-
- /// Reads a 32 bit floating point number from `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 8`.
- #[inline]
- fn read_f64(self, buf: &[u8]) -> f64 {
- f64::from_bits(self.read_u64(buf))
- }
-
- /// Writes an unsigned 16 bit integer `n` to `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 2`.
- #[inline]
- fn write_u16(self, buf: &mut [u8], n: u16) {
- let bytes = if self.is_big_endian() {
- n.to_be_bytes()
- } else {
- n.to_le_bytes()
- };
- buf[..2].copy_from_slice(&bytes);
- }
-
- /// Writes an unsigned 32 bit integer `n` to `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 4`.
- #[inline]
- fn write_u32(self, buf: &mut [u8], n: u32) {
- let bytes = if self.is_big_endian() {
- n.to_be_bytes()
- } else {
- n.to_le_bytes()
- };
- buf[..4].copy_from_slice(&bytes);
- }
-
- /// Writes an unsigned 64 bit integer `n` to `buf`.
- ///
- /// # Panics
- ///
- /// Panics when `buf.len() < 8`.
- #[inline]
- fn write_u64(self, buf: &mut [u8], n: u64) {
- let bytes = if self.is_big_endian() {
- n.to_be_bytes()
- } else {
- n.to_le_bytes()
- };
- buf[..8].copy_from_slice(&bytes);
- }
-}
-
-/// Byte order that is selectable at runtime.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum RunTimeEndian {
- /// Little endian byte order.
- Little,
- /// Big endian byte order.
- Big,
-}
-
-impl Default for RunTimeEndian {
- #[cfg(target_endian = "little")]
- #[inline]
- fn default() -> RunTimeEndian {
- RunTimeEndian::Little
- }
-
- #[cfg(target_endian = "big")]
- #[inline]
- fn default() -> RunTimeEndian {
- RunTimeEndian::Big
- }
-}
-
-impl Endianity for RunTimeEndian {
- #[inline]
- fn is_big_endian(self) -> bool {
- self != RunTimeEndian::Little
- }
-}
-
-/// Little endian byte order.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct LittleEndian;
-
-impl Default for LittleEndian {
- #[inline]
- fn default() -> LittleEndian {
- LittleEndian
- }
-}
-
-impl Endianity for LittleEndian {
- #[inline]
- fn is_big_endian(self) -> bool {
- false
- }
-}
-
-/// Big endian byte order.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct BigEndian;
-
-impl Default for BigEndian {
- #[inline]
- fn default() -> BigEndian {
- BigEndian
- }
-}
-
-impl Endianity for BigEndian {
- #[inline]
- fn is_big_endian(self) -> bool {
- true
- }
-}
-
-/// The native endianity for the target platform.
-#[cfg(target_endian = "little")]
-pub type NativeEndian = LittleEndian;
-
-#[cfg(target_endian = "little")]
-#[allow(non_upper_case_globals)]
-#[doc(hidden)]
-pub const NativeEndian: LittleEndian = LittleEndian;
-
-/// The native endianity for the target platform.
-#[cfg(target_endian = "big")]
-pub type NativeEndian = BigEndian;
-
-#[cfg(target_endian = "big")]
-#[allow(non_upper_case_globals)]
-#[doc(hidden)]
-pub const NativeEndian: BigEndian = BigEndian;