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Rollup merge of #65246 - Wind-River:real_master_2, r=kennytm

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vxWorks: implement get_path() and get_mode() for File fmt::Debug
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Mazdak Farrokhzad 2019-10-13 19:17:06 +02:00 committed by GitHub
commit 2a9c791076
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1 changed files with 20 additions and 6 deletions
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26
src/libstd/sys/vxworks/fs.rs
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@ -400,13 +400,27 @@ impl FromInner<c_int> for File {
impl fmt::Debug for File {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fn get_path(_fd: c_int) -> Option<PathBuf> {
// FIXME(#:(): implement this for VxWorks
None
fn get_path(fd: c_int) -> Option<PathBuf> {
let mut buf = vec![0;libc::PATH_MAX as usize];
let n = unsafe { libc::ioctl(fd, libc::FIOGETNAME, buf.as_ptr()) };
if n == -1 {
return None;
}
let l = buf.iter().position(|&c| c == 0).unwrap();
buf.truncate(l as usize);
Some(PathBuf::from(OsString::from_vec(buf)))
}
fn get_mode(_fd: c_int) -> Option<(bool, bool)> {
// FIXME(#:(): implement this for VxWorks
None
fn get_mode(fd: c_int) -> Option<(bool, bool)> {
let mode = unsafe { libc::fcntl(fd, libc::F_GETFL) };
if mode == -1 {
return None;
}
match mode & libc::O_ACCMODE {
libc::O_RDONLY => Some((true, false)),
libc::O_RDWR => Some((true, true)),
libc::O_WRONLY => Some((false, true)),
_ => None
}
}
let fd = self.0.raw();