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Add docs for unistd submodules

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This commit is contained in:
Peter Limkilde Svendsen
2025-02-01 18:07:51 +01:00
parent 99e0948e0c
commit 26fdc200bf
5 changed files with 31 additions and 5 deletions
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src/header/unistd/brk.rs
+12
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@@ -8,6 +8,12 @@ use crate::{
static mut BRK: *mut c_void = ptr::null_mut();
/// See <https://pubs.opengroup.org/onlinepubs/7908799/xsh/brk.html>.
///
/// # Deprecation
/// The `brk()` function was marked legacy in the System Interface & Headers
/// Issue 5, and removed in Issue 6.
#[deprecated]
#[no_mangle]
pub unsafe extern "C" fn brk(addr: *mut c_void) -> c_int {
BRK = Sys::brk(addr).or_errno_null_mut();
@@ -20,6 +26,12 @@ pub unsafe extern "C" fn brk(addr: *mut c_void) -> c_int {
0
}
/// See <https://pubs.opengroup.org/onlinepubs/7908799/xsh/brk.html>.
///
/// # Deprecation
/// The `sbrk()` function was marked legacy in the System Interface & Headers
/// Issue 5, and removed in Issue 6.
#[deprecated]
#[no_mangle]
pub unsafe extern "C" fn sbrk(incr: intptr_t) -> *mut c_void {
if BRK.is_null() {
src/header/unistd/getopt.rs
+10 -5
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@@ -4,26 +4,31 @@ use core::ptr;
use crate::{header::getopt, platform::types::*};
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/getopt.html>.
#[allow(non_upper_case_globals)]
#[no_mangle]
#[linkage = "weak"] // often redefined in GNU programs
pub static mut optarg: *mut c_char = ptr::null_mut();
#[allow(non_upper_case_globals)]
#[no_mangle]
#[linkage = "weak"] // often redefined in GNU programs
pub static mut optind: c_int = 1;
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/getopt.html>.
#[allow(non_upper_case_globals)]
#[no_mangle]
#[linkage = "weak"] // often redefined in GNU programs
pub static mut opterr: c_int = 1;
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/getopt.html>.
#[allow(non_upper_case_globals)]
#[no_mangle]
#[linkage = "weak"] // often redefined in GNU programs
pub static mut optind: c_int = 1;
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/getopt.html>.
#[allow(non_upper_case_globals)]
#[no_mangle]
#[linkage = "weak"] // often redefined in GNU programs
pub static mut optopt: c_int = -1;
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/getopt.html>.
#[no_mangle]
#[linkage = "weak"] // often redefined in GNU programs
pub unsafe extern "C" fn getopt(
src/header/unistd/getpass.rs
+6
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@@ -60,6 +60,12 @@ fn getpass_rs(prompt: CStr, passbuff: &mut [u8]) -> Result<*mut c_char, io::Erro
Ok(passbuff.as_mut_ptr() as *mut c_char)
}
/// See <https://pubs.opengroup.org/onlinepubs/7908799/xsh/getpass.html>.
///
/// # Deprecation
/// The `getpass()` function was marked legacy in the Open Group System
/// Interface & Headers Issue 5, and removed in Issue 6.
#[deprecated]
#[no_mangle]
pub unsafe extern "C" fn getpass(prompt: *const c_char) -> *mut c_char {
static mut PASSBUFF: [u8; PASS_MAX] = [0; PASS_MAX];
src/header/unistd/pathconf.rs
+2
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@@ -56,11 +56,13 @@ fn pc(name: c_int) -> c_long {
}
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fpathconf.html>.
#[no_mangle]
pub extern "C" fn fpathconf(_fildes: c_int, name: c_int) -> c_long {
pc(name)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fpathconf.html>.
#[no_mangle]
pub extern "C" fn pathconf(_path: *const c_char, name: c_int) -> c_long {
pc(name)
src/header/unistd/sysconf.rs
+1
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@@ -33,6 +33,7 @@ pub const _SC_SYMLOOP_MAX: c_int = 173;
pub const _SC_HOST_NAME_MAX: c_int = 180;
// } POSIX.1
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sysconf.html>.
#[no_mangle]
pub extern "C" fn sysconf(name: c_int) -> c_long {
//TODO: Real values