diff options
Diffstat (limited to 'library/std/src/sys/windows/stdio_uwp.rs')
-rw-r--r-- | library/std/src/sys/windows/stdio_uwp.rs | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/library/std/src/sys/windows/stdio_uwp.rs b/library/std/src/sys/windows/stdio_uwp.rs deleted file mode 100644 index 32550f796..000000000 --- a/library/std/src/sys/windows/stdio_uwp.rs +++ /dev/null @@ -1,87 +0,0 @@ -#![unstable(issue = "none", feature = "windows_stdio")] - -use crate::io; -use crate::mem::ManuallyDrop; -use crate::os::windows::io::FromRawHandle; -use crate::sys::c; -use crate::sys::handle::Handle; - -pub struct Stdin {} -pub struct Stdout; -pub struct Stderr; - -const MAX_BUFFER_SIZE: usize = 8192; -pub const STDIN_BUF_SIZE: usize = MAX_BUFFER_SIZE / 2 * 3; - -pub fn get_handle(handle_id: c::DWORD) -> io::Result<c::HANDLE> { - let handle = unsafe { c::GetStdHandle(handle_id) }; - if handle == c::INVALID_HANDLE_VALUE { - Err(io::Error::last_os_error()) - } else if handle.is_null() { - Err(io::Error::from_raw_os_error(c::ERROR_INVALID_HANDLE as i32)) - } else { - Ok(handle) - } -} - -fn write(handle_id: c::DWORD, data: &[u8]) -> io::Result<usize> { - let handle = get_handle(handle_id)?; - // SAFETY: The handle returned from `get_handle` must be valid and non-null. - let handle = unsafe { Handle::from_raw_handle(handle) }; - ManuallyDrop::new(handle).write(data) -} - -impl Stdin { - pub const fn new() -> Stdin { - Stdin {} - } -} - -impl io::Read for Stdin { - fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> { - let handle = get_handle(c::STD_INPUT_HANDLE)?; - // SAFETY: The handle returned from `get_handle` must be valid and non-null. - let handle = unsafe { Handle::from_raw_handle(handle) }; - ManuallyDrop::new(handle).read(buf) - } -} - -impl Stdout { - pub const fn new() -> Stdout { - Stdout - } -} - -impl io::Write for Stdout { - fn write(&mut self, buf: &[u8]) -> io::Result<usize> { - write(c::STD_OUTPUT_HANDLE, buf) - } - - fn flush(&mut self) -> io::Result<()> { - Ok(()) - } -} - -impl Stderr { - pub const fn new() -> Stderr { - Stderr - } -} - -impl io::Write for Stderr { - fn write(&mut self, buf: &[u8]) -> io::Result<usize> { - write(c::STD_ERROR_HANDLE, buf) - } - - fn flush(&mut self) -> io::Result<()> { - Ok(()) - } -} - -pub fn is_ebadf(err: &io::Error) -> bool { - err.raw_os_error() == Some(c::ERROR_INVALID_HANDLE as i32) -} - -pub fn panic_output() -> Option<impl io::Write> { - Some(Stderr::new()) -} |