shenjack/nbt-rust
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加上注释，防止忘记

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shenjack 2024-03-08 01:03:00 +08:00
parent e87601144b
commit 18fe86224e
Signed by: shenjack
GPG Key ID: 7B1134A979775551
1 changed files with 2 additions and 0 deletions
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shen-nbt5/src/lib.rs
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@ -21,6 +21,7 @@ macro_rules! read {
#[doc = concat!("读取 ", stringify!($ty), " 类型 ", $size, " 长度的数据")] #[doc = concat!("读取 ", stringify!($ty), " 类型 ", $size, " 长度的数据")]
pub fn $name(&mut self) -> $ty { pub fn $name(&mut self) -> $ty {
unsafe { unsafe {
// 使用 std::ptr::read_unaligned 解决未对齐地址问题
let value = std::ptr::read_unaligned(self.data[self.cursor..].as_ptr() as *const $ty); let value = std::ptr::read_unaligned(self.data[self.cursor..].as_ptr() as *const $ty);
self.cursor += std::mem::size_of::<$ty>(); self.cursor += std::mem::size_of::<$ty>();
value.to_be() value.to_be()
@ -31,6 +32,7 @@ macro_rules! read {
#[doc = concat!("读取 ", stringify!($ty), " 类型 ", $size, " 长度的数据")] #[doc = concat!("读取 ", stringify!($ty), " 类型 ", $size, " 长度的数据")]
pub fn $name(&mut self) -> $ty { pub fn $name(&mut self) -> $ty {
unsafe { unsafe {
// 使用 std::ptr::read_unaligned 解决未对齐地址问题
let value = std::ptr::read_unaligned(self.data[self.cursor..].as_ptr() as *const $ty); let value = std::ptr::read_unaligned(self.data[self.cursor..].as_ptr() as *const $ty);
self.cursor += std::mem::size_of::<$ty>(); self.cursor += std::mem::size_of::<$ty>();
value value