xenia 0.1.1

xenia
Documentation 
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use core::ffi::CStr;

use crate::{
    AsCStr, AtFlags, Syscall, Timespec, Timestamps, fd::AsFd, syscall_result_unit,
    syscall4_readonly,
};
use bitflags::bitflags;
use linux_raw_sys::general::{AT_EMPTY_PATH, AT_SYMLINK_NOFOLLOW};

#[inline]
pub fn utimensat<Fd: AsFd, P: AsCStr>(
    fd: Fd,
    path: impl Into<Option<P>>,
    times: &Timestamps,
    flags: AtFlags,
) -> crate::Result<()> {
    match path.into() {
        Some(path) => path.try_as_c_str(|path| {
            syscall_result_unit(unsafe {
                syscall4_readonly(
                    Syscall::UTIMENSAT,
                    fd.as_fd(),
                    path,
                    &raw const *times,
                    flags.bits(),
                )
            })
        }),

        None => syscall_result_unit(unsafe {
            syscall4_readonly(
                Syscall::UTIMENSAT,
                fd.as_fd(),
                None::<&CStr>,
                &raw const *times,
                flags.bits(),
            )
        }),
    }
}