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std::unix::os::home_dir: fallback's optimisation. #126854

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Merged
merged 2 commits into from
Jun 24, 2024
+3 −3
Merged

std::unix::os::home_dir: fallback's optimisation. #126854

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bd9ce3e
std::unix::os::home_dir: fallback's optimisation.
devnexen Jun 23, 2024
fc50aca
fix build
devnexen Jun 23, 2024
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6 changes: 3 additions & 3 deletions library/std/src/sys/pal/unix/os.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -738,17 +738,17 @@ pub fn home_dir() -> Option<PathBuf> {
n => n as usize,
};
let mut buf = Vec::with_capacity(amt);
let mut passwd: libc::passwd = mem::zeroed();
let mut p = mem::MaybeUninit::<libc::passwd>::uninit();
let mut result = ptr::null_mut();
match libc::getpwuid_r(
libc::getuid(),
&mut passwd,
p.as_mut_ptr(),
buf.as_mut_ptr(),
buf.capacity(),
&mut result,
) {
0 if !result.is_null() => {
let ptr = passwd.pw_dir as *const _;
let ptr = (*result).pw_dir as *const _;
let bytes = CStr::from_ptr(ptr).to_bytes().to_vec();
Some(OsStringExt::from_vec(bytes))
}
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