Sha256: 151d29125932d874aefcda01975913f87e8561b3d240e84c9db39e891b78a484
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Versions: 19
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Contents
use super::*;
/// A pointer to a null-terminated string of 8-bit Windows (ANSI) characters.
#[repr(transparent)]
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
pub struct PSTR(pub *mut u8);
impl PSTR {
/// Construct a new `PSTR` from a raw pointer
pub const fn from_raw(ptr: *mut u8) -> Self {
Self(ptr)
}
/// Construct a null `PSTR`
pub fn null() -> Self {
Self(std::ptr::null_mut())
}
/// Returns a raw pointer to the `PSTR`
pub fn as_ptr(&self) -> *mut u8 {
self.0
}
/// Checks whether the `PSTR` is null
pub fn is_null(&self) -> bool {
self.0.is_null()
}
/// String data without the trailing 0
///
/// # Safety
///
/// The `PSTR`'s pointer needs to be valid for reads up until and including the next `\0`.
pub unsafe fn as_bytes(&self) -> &[u8] {
let len = super::strlen(PCSTR::from_raw(self.0));
std::slice::from_raw_parts(self.0, len)
}
/// Copy the `PSTR` into a Rust `String`.
///
/// # Safety
///
/// See the safety information for `PSTR::as_bytes`.
pub unsafe fn to_string(&self) -> std::result::Result<String, std::string::FromUtf8Error> {
String::from_utf8(self.as_bytes().into())
}
/// Allow this string to be displayed.
///
/// # Safety
///
/// See the safety information for `PSTR::as_bytes`.
pub unsafe fn display(&self) -> impl std::fmt::Display + '_ {
Decode(move || decode_utf8(self.as_bytes()))
}
}
impl TypeKind for PSTR {
type TypeKind = CopyType;
}
Version data entries
19 entries across 19 versions & 1 rubygems