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Move all xwrap to Rust

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topjohnwu
2022-09-15 01:17:05 -07:00
parent 66a7ef5615
commit c6646efe68
18 changed files with 356 additions and 198 deletions
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28
native/src/base/misc.rs
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@@ -41,6 +41,21 @@ pub fn fmt_to_buf(buf: &mut [u8], args: Arguments) -> usize {
}
}
#[macro_export]
macro_rules! bfmt {
($buf:expr, $($args:tt)*) => {
$crate::fmt_to_buf($buf, format_args!($($args)*));
};
}
#[macro_export]
macro_rules! bfmt_cstr {
($buf:expr, $($args:tt)*) => {{
let len = $crate::fmt_to_buf($buf, format_args!($($args)*));
unsafe { std::ffi::CStr::from_bytes_with_nul_unchecked(&$buf[..(len + 1)]) }
}};
}
// The cstr! macro is inspired by https://github.com/Nugine/const-str
macro_rules! const_assert {
@@ -88,19 +103,12 @@ macro_rules! cstr {
($s:literal) => {{
const LEN: usize = $crate::ToCStr($s).eval_len();
const BUF: [u8; LEN] = $crate::ToCStr($s).eval_bytes();
unsafe { CStr::from_bytes_with_nul_unchecked(&BUF) }
unsafe { std::ffi::CStr::from_bytes_with_nul_unchecked(&BUF) }
}};
}
#[macro_export]
macro_rules! r_cstr {
($s:literal) => {
cstr!($s).as_ptr()
};
}
pub unsafe fn ptr_to_str<'a, T>(ptr: *const T) -> &'a str {
CStr::from_ptr(ptr.cast()).to_str().unwrap_or("")
pub fn ptr_to_str<'a, T>(ptr: *const T) -> &'a str {
unsafe { CStr::from_ptr(ptr.cast()) }.to_str().unwrap_or("")
}
pub fn errno() -> &'static mut i32 {