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Merge branch 'shadow-docs' into 'master'

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Add docs for shadow.h

See merge request redox-os/relibc!1148
This commit is contained in:
Jeremy Soller
2026-04-01 15:35:35 -06:00
parent 0b880eb17d b057e5078c
commit 0696a09005
1 changed files with 10 additions and 0 deletions
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src/header/shadow/mod.rs
+10
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@@ -1,3 +1,7 @@
//! `shadow.h` implementation.
//!
//! Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/getspnam.3.html>.
use core::{
cell::SyncUnsafeCell,
ops::{Deref, DerefMut},
@@ -76,6 +80,7 @@ static mut SHADOW: spwd = spwd {
static LINE_READER: SyncUnsafeCell<Option<Lines<BufReader<File>>>> = SyncUnsafeCell::new(None);
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/getspnam.3.html>.
#[repr(C)]
#[derive(Debug, Clone, Copy)]
pub struct spwd {
@@ -176,6 +181,7 @@ fn parse_spwd(line: String, destbuf: Option<DestBuffer>) -> Result<OwnedSpwd, Er
Ok(OwnedSpwd { buffer, reference })
}
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/getspnam.3.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn getspnam(name: *const c_char) -> *mut spwd {
let Ok(db) = File::open(SHADOW_FILE.into(), fcntl::O_RDONLY) else {
@@ -194,6 +200,7 @@ pub unsafe extern "C" fn getspnam(name: *const c_char) -> *mut spwd {
ptr::null_mut()
}
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/getspnam.3.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn getspnam_r(
name: *const c_char,
@@ -232,6 +239,7 @@ pub unsafe extern "C" fn getspnam_r(
ENOENT
}
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/getspnam.3.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn setspent() {
let line_reader = unsafe { &mut *LINE_READER.get() };
@@ -240,6 +248,7 @@ pub unsafe extern "C" fn setspent() {
}
}
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/getspnam.3.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn endspent() {
unsafe {
@@ -247,6 +256,7 @@ pub unsafe extern "C" fn endspent() {
}
}
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/getspnam.3.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn getspent() -> *mut spwd {
let line_reader = unsafe { &mut *LINE_READER.get() };