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Use unsafe blocks in sys/time.h implementation

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This commit is contained in:
sourceturner
2026-01-18 21:19:08 +01:00
parent 093b830148
commit 3bfd14fcab
1 changed files with 12 additions and 9 deletions
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src/header/sys_time/mod.rs
+12 -9
View File
@@ -2,6 +2,9 @@
//!
//! See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_time.h.html>.
// TODO: set this for entire crate when possible
#![deny(unsafe_op_in_unsafe_fn)]
use crate::{
c_str::CStr,
error::ResultExt,
@@ -85,7 +88,7 @@ pub struct timezone {
#[deprecated]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn getitimer(which: c_int, value: *mut itimerval) -> c_int {
Sys::getitimer(which, &mut *value)
Sys::getitimer(which, unsafe { &mut *value })
.map(|()| 0)
.or_minus_one_errno()
}
@@ -101,7 +104,7 @@ pub unsafe extern "C" fn getitimer(which: c_int, value: *mut itimerval) -> c_int
#[deprecated]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn gettimeofday(tp: *mut timeval, tzp: *mut timezone) -> c_int {
Sys::gettimeofday(Out::nonnull(tp), Out::nullable(tzp))
Sys::gettimeofday(unsafe { Out::nonnull(tp) }, unsafe { Out::nullable(tzp) })
.map(|()| 0)
.or_minus_one_errno()
}
@@ -121,7 +124,7 @@ pub unsafe extern "C" fn setitimer(
ovalue: *mut itimerval,
) -> c_int {
// TODO setitimer is unimplemented on Redox
Sys::setitimer(which, &*value, ovalue.as_mut())
Sys::setitimer(which, unsafe { &*value }, unsafe { ovalue.as_mut() })
.map(|()| 0)
.or_minus_one_errno()
}
@@ -133,7 +136,7 @@ pub unsafe extern "C" fn setitimer(
/// Specifications Issue 6, and then unmarked in Issue 7.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn utimes(path: *const c_char, times: *const timeval) -> c_int {
let path = CStr::from_ptr(path);
let path = unsafe { CStr::from_ptr(path) };
// Nullptr is valid here, it means "use current time"
let times_spec = if times.is_null() {
null()
@@ -141,18 +144,18 @@ pub unsafe extern "C" fn utimes(path: *const c_char, times: *const timeval) -> c
{
[
timespec {
tv_sec: (*times.offset(0)).tv_sec,
tv_nsec: ((*times.offset(0)).tv_usec as c_long) * 1000,
tv_sec: unsafe { (*times.offset(0)).tv_sec },
tv_nsec: (unsafe { (*times.offset(0)).tv_usec } as c_long) * 1000,
},
timespec {
tv_sec: (*times.offset(1)).tv_sec,
tv_nsec: ((*times.offset(1)).tv_usec as c_long) * 1000,
tv_sec: unsafe { (*times.offset(1)).tv_sec },
tv_nsec: (unsafe { (*times.offset(1)).tv_usec } as c_long) * 1000,
},
]
}
.as_ptr()
};
Sys::utimens(path, times_spec)
unsafe { Sys::utimens(path, times_spec) }
.map(|()| 0)
.or_minus_one_errno()
}