From 565a80557761690baf0158c6a38de38ceeb3bad5 Mon Sep 17 00:00:00 2001
From: Aditya K <41550011+adityuhkapoor@users.noreply.github.com>
Date: Sun, 25 Oct 2026 21:34:39 -0400
Subject: [PATCH] Pass zero as the TIOCSCTTY argument

---
 src/process/ioctl.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/process/ioctl.rs b/src/process/ioctl.rs
index e0ba00187..94e4c1318 100644
--- a/src/process/ioctl.rs
+++ b/src/process/ioctl.rs
@@ -18,7 +18,7 @@ use backend::fd::AsFd;
 ///  - [NetBSD]
 ///  - [OpenBSD]
 ///
-/// [Linux]: https://man7.org/linux/man-pages/man4/tty_ioctl.4.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/TIOCSCTTY.2const.html
 /// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=tty&sektion=4
 /// [NetBSD]: https://man.netbsd.org/tty.4
 /// [OpenBSD]: https://man.openbsd.org/tty.4
@@ -43,7 +43,7 @@ unsafe impl ioctl::Ioctl for Tiocsctty {
     }
 
     fn as_ptr(&mut self) -> *mut c::c_void {
-        crate::utils::as_ptr(&0_u32) as *mut c::c_void
+        core::ptr::null_mut()
     }
 
     unsafe fn output_from_ptr(
@@ -53,3 +53,11 @@ unsafe impl ioctl::Ioctl for Tiocsctty {
         Ok(())
     }
 }
+
+#[test]
+#[cfg(not(any(windows, target_os = "aix", target_os = "redox", target_os = "wasi")))]
+fn tiocsctty_argument_is_zero() {
+    use crate::ioctl::Ioctl;
+
+    assert!(Tiocsctty.as_ptr().is_null());
+}