From c23a457e72abe608715ac76f076f47dc42af07a5 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 30 May 2024 20:31:44 +0200
Subject: Merging upstream version 1.74.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/rustix/src/termios/ioctl.rs | 17 ++++++++++++++---
 vendor/rustix/src/termios/tty.rs   | 11 ++++++-----
 vendor/rustix/src/termios/types.rs | 12 ++++++++++++
 3 files changed, 32 insertions(+), 8 deletions(-)

(limited to 'vendor/rustix/src/termios')

diff --git a/vendor/rustix/src/termios/ioctl.rs b/vendor/rustix/src/termios/ioctl.rs
index 1c60cb9a4..620ae4c71 100644
--- a/vendor/rustix/src/termios/ioctl.rs
+++ b/vendor/rustix/src/termios/ioctl.rs
@@ -1,7 +1,10 @@
 //! Terminal-related `ioctl` functions.
 
+#![allow(unsafe_code)]
+
 use crate::fd::AsFd;
-use crate::{backend, io};
+use crate::{backend, io, ioctl};
+use backend::c;
 
 /// `ioctl(fd, TIOCEXCL)`—Enables exclusive mode on a terminal.
 ///
@@ -19,7 +22,11 @@ use crate::{backend, io};
 #[inline]
 #[doc(alias = "TIOCEXCL")]
 pub fn ioctl_tiocexcl<Fd: AsFd>(fd: Fd) -> io::Result<()> {
-    backend::termios::syscalls::ioctl_tiocexcl(fd.as_fd())
+    // SAFETY: TIOCEXCL is a no-argument setter opcode.
+    unsafe {
+        let ctl = ioctl::NoArg::<ioctl::BadOpcode<{ c::TIOCEXCL as _ }>>::new();
+        ioctl::ioctl(fd, ctl)
+    }
 }
 
 /// `ioctl(fd, TIOCNXCL)`—Disables exclusive mode on a terminal.
@@ -38,5 +45,9 @@ pub fn ioctl_tiocexcl<Fd: AsFd>(fd: Fd) -> io::Result<()> {
 #[inline]
 #[doc(alias = "TIOCNXCL")]
 pub fn ioctl_tiocnxcl<Fd: AsFd>(fd: Fd) -> io::Result<()> {
-    backend::termios::syscalls::ioctl_tiocnxcl(fd.as_fd())
+    // SAFETY: TIOCNXCL is a no-argument setter opcode.
+    unsafe {
+        let ctl = ioctl::NoArg::<ioctl::BadOpcode<{ c::TIOCNXCL as _ }>>::new();
+        ioctl::ioctl(fd, ctl)
+    }
 }
diff --git a/vendor/rustix/src/termios/tty.rs b/vendor/rustix/src/termios/tty.rs
index 00787a568..56aab9fcf 100644
--- a/vendor/rustix/src/termios/tty.rs
+++ b/vendor/rustix/src/termios/tty.rs
@@ -2,7 +2,7 @@
 
 use crate::backend;
 use backend::fd::AsFd;
-#[cfg(feature = "procfs")]
+#[cfg(all(feature = "alloc", feature = "procfs"))]
 #[cfg(not(any(target_os = "fuchsia", target_os = "wasi")))]
 use {
     crate::ffi::CString, crate::io, crate::path::SMALL_PATH_BUFFER_SIZE, alloc::vec::Vec,
@@ -33,7 +33,7 @@ pub fn isatty<Fd: AsFd>(fd: Fd) -> bool {
 /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/ttyname.html
 /// [Linux]: https://man7.org/linux/man-pages/man3/ttyname.3.html
 #[cfg(not(any(target_os = "fuchsia", target_os = "wasi")))]
-#[cfg(feature = "procfs")]
+#[cfg(all(feature = "alloc", feature = "procfs"))]
 #[cfg_attr(doc_cfg, doc(cfg(feature = "procfs")))]
 #[doc(alias = "ttyname_r")]
 #[inline]
@@ -42,7 +42,7 @@ pub fn ttyname<Fd: AsFd, B: Into<Vec<u8>>>(dirfd: Fd, reuse: B) -> io::Result<CS
 }
 
 #[cfg(not(any(target_os = "fuchsia", target_os = "wasi")))]
-#[cfg(feature = "procfs")]
+#[cfg(all(feature = "alloc", feature = "procfs"))]
 #[allow(unsafe_code)]
 fn _ttyname(dirfd: BorrowedFd<'_>, mut buffer: Vec<u8>) -> io::Result<CString> {
     buffer.clear();
@@ -54,9 +54,10 @@ fn _ttyname(dirfd: BorrowedFd<'_>, mut buffer: Vec<u8>) -> io::Result<CString> {
                 buffer.reserve(buffer.capacity() + 1); // use `Vec` reallocation strategy to grow capacity exponentially
             }
             Ok(len) => {
-                // SAFETY: assume the backend returns the length of the string
+                // SAFETY: assume the backend returns the length of the string excluding the
+                // NUL.
                 unsafe {
-                    buffer.set_len(len);
+                    buffer.set_len(len + 1);
                 }
 
                 // SAFETY:
diff --git a/vendor/rustix/src/termios/types.rs b/vendor/rustix/src/termios/types.rs
index 8b7d473cf..0c44ed2e8 100644
--- a/vendor/rustix/src/termios/types.rs
+++ b/vendor/rustix/src/termios/types.rs
@@ -292,6 +292,9 @@ bitflags! {
             target_os = "redox",
         )))]
         const IUTF8 = c::IUTF8;
+
+        /// <https://docs.rs/bitflags/latest/bitflags/#externally-defined-flags>
+        const _ = !0;
     }
 }
 
@@ -504,6 +507,9 @@ bitflags! {
             target_os = "redox",
         )))]
         const VT1 = c::VT1;
+
+        /// <https://docs.rs/bitflags/latest/bitflags/#externally-defined-flags>
+        const _ = !0;
     }
 }
 
@@ -564,6 +570,9 @@ bitflags! {
             target_os = "redox",
         )))]
         const CMSPAR = c::CMSPAR;
+
+        /// <https://docs.rs/bitflags/latest/bitflags/#externally-defined-flags>
+        const _ = !0;
     }
 }
 
@@ -627,6 +636,9 @@ bitflags! {
 
         /// `IEXTEN`
         const IEXTEN = c::IEXTEN;
+
+        /// <https://docs.rs/bitflags/latest/bitflags/#externally-defined-flags>
+        const _ = !0;
     }
 }
 
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