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use super::hermit_abi;
use crate::ffi::{OsStr, OsString};
use crate::marker::PhantomData;
use crate::path::{self, PathBuf};
use crate::sys::unsupported;
use crate::{fmt, io};
pub fn errno() -> i32 {
unsafe { hermit_abi::get_errno() }
}
pub fn error_string(errno: i32) -> String {
hermit_abi::error_string(errno).to_string()
}
pub fn getcwd() -> io::Result<PathBuf> {
Ok(PathBuf::from("/"))
}
pub fn chdir(_: &path::Path) -> io::Result<()> {
unsupported()
}
pub struct SplitPaths<'a>(!, PhantomData<&'a ()>);
pub fn split_paths(_unparsed: &OsStr) -> SplitPaths<'_> {
panic!("unsupported")
}
impl<'a> Iterator for SplitPaths<'a> {
type Item = PathBuf;
fn next(&mut self) -> Option<PathBuf> {
self.0
}
}
#[derive(Debug)]
pub struct JoinPathsError;
pub fn join_paths<I, T>(_paths: I) -> Result<OsString, JoinPathsError>
where
I: Iterator<Item = T>,
T: AsRef<OsStr>,
{
Err(JoinPathsError)
}
impl fmt::Display for JoinPathsError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
"not supported on hermit yet".fmt(f)
}
}
impl crate::error::Error for JoinPathsError {}
pub fn current_exe() -> io::Result<PathBuf> {
unsupported()
}
pub fn temp_dir() -> PathBuf {
PathBuf::from("/tmp")
}
pub fn home_dir() -> Option<PathBuf> {
None
}
pub fn exit(code: i32) -> ! {
unsafe { hermit_abi::exit(code) }
}
pub fn getpid() -> u32 {
unsafe { hermit_abi::getpid() as u32 }
}
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