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Fix embedded NULs in C wide strings returned from Windows API (#2264)

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This commit is contained in:
Kas
2022-04-30 13:58:51 +02:00
committed by GitHub
parent e7f88588bf
commit ea09d1d10e
3 changed files with 14 additions and 10 deletions
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12
src/platform_impl/windows/util.rs
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@@ -1,10 +1,10 @@
use std::{
ffi::{c_void, OsStr},
ffi::{c_void, OsStr, OsString},
io,
iter::once,
mem,
ops::BitAnd,
os::windows::prelude::OsStrExt,
os::windows::prelude::{OsStrExt, OsStringExt},
ptr,
sync::atomic::{AtomicBool, Ordering},
};
@@ -37,6 +37,14 @@ pub fn encode_wide(string: impl AsRef<OsStr>) -> Vec<u16> {
string.as_ref().encode_wide().chain(once(0)).collect()
}
pub fn decode_wide(mut wide_c_string: &[u16]) -> OsString {
if let Some(null_pos) = wide_c_string.iter().position(|c| *c == 0) {
wide_c_string = &wide_c_string[..null_pos];
}
OsString::from_wide(wide_c_string)
}
pub fn has_flag<T>(bitset: T, flag: T) -> bool
where
T: Copy + PartialEq + BitAnd<T, Output = T>,