From 3b8f1e655357523f50752296093e56da53ca287f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Fri, 16 Oct 2026 21:17:05 +0200
Subject: [PATCH] std.c: fix ioctl() signature for freebsd and openbsd

---
 lib/std/c.zig           | 5 ++++-
 lib/std/c/dragonfly.zig | 3 +++
 lib/std/c/freebsd.zig   | 2 ++
 lib/std/c/openbsd.zig   | 4 ++++
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index fc64f8b282310bb3fa767e2f790c5525fd84569c..0367ac6011577d51b92077a64a782158dbea4f63 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -11430,6 +11430,9 @@ pub const clock_nanosleep = switch (native_os) {
 };
 
 pub const ioctl = switch (native_os) {
+    .dragonfly => dragonfly.ioctl,
+    .freebsd => freebsd.ioctl,
+    .openbsd => openbsd.ioctl,
     .windows => {},
     else => private.ioctl,
 };
@@ -11897,7 +11900,7 @@ const private = struct {
     };
     extern "c" fn getrusage(who: c_int, usage: *rusage) c_int;
     extern "c" fn gettimeofday(noalias tv: ?*timeval, noalias tz: ?*timezone) c_int;
-    extern "c" fn ioctl(fd: fd_t, request: if (native_os == .dragonfly) c_ulong else c_int, ...) c_int;
+    extern "c" fn ioctl(fd: fd_t, request: c_int, ...) c_int;
     extern "c" fn msync(addr: *align(page_size) const anyopaque, len: usize, flags: c_int) c_int;
     extern "c" fn mremap(addr: ?*align(page_size) const anyopaque, old_len: usize, new_len: usize, flags: MREMAP, ...) *anyopaque;
     extern "c" fn nanosleep(rqtp: *const timespec, rmtp: ?*timespec) c_int;
diff --git a/lib/std/c/dragonfly.zig b/lib/std/c/dragonfly.zig
index 8a4aca1b8a08b28fcb29132be3f399f28b63882b..43ee9dc0ae352df4d8899c9e699463267dd575ec 100644
--- a/lib/std/c/dragonfly.zig
+++ b/lib/std/c/dragonfly.zig
@@ -8,9 +8,12 @@ const pid_t = std.c.pid_t;
 const sockaddr = std.c.sockaddr;
 const socklen_t = std.c.socklen_t;
 const uid_t = std.c.uid_t;
+const fd_t = std.c.fd_t;
 const NI = std.c.NI;
 const EAI = std.c.EAI;
 
+pub extern "c" fn ioctl(fd: fd_t, request: c_ulong, ...) c_int;
+
 pub extern "c" fn lwp_gettid() c_int;
 pub extern "c" fn ptrace(request: c_int, pid: pid_t, addr: caddr_t, data: c_int) c_int;
 pub extern "c" fn umtx_sleep(ptr: *const volatile c_int, value: c_int, timeout: c_int) c_int;
diff --git a/lib/std/c/freebsd.zig b/lib/std/c/freebsd.zig
index b08bd0888a17f1c9712fffaa21e7c3d2cc89dad5..26a234d6631602374b68fc554dc8132f2cd67cfe 100644
--- a/lib/std/c/freebsd.zig
+++ b/lib/std/c/freebsd.zig
@@ -30,6 +30,8 @@ comptime {
     assert(builtin.os.tag == .freebsd); // Prevent access of std.c symbols on wrong OS.
 }
 
+pub extern "c" fn ioctl(fd: fd_t, request: c_ulong, ...) c_int;
+
 pub extern "c" fn ptrace(request: c_int, pid: pid_t, addr: caddr_t, data: c_int) c_int;
 
 pub extern "c" fn kinfo_getfile(pid: pid_t, cntp: *c_int) ?[*]kinfo_file;
diff --git a/lib/std/c/openbsd.zig b/lib/std/c/openbsd.zig
index 5d9b863fdb7b50f173fc66ef3b85228beefb286b..3dfbd2799a567711fbd7d0d9a2190be15346d499 100644
--- a/lib/std/c/openbsd.zig
+++ b/lib/std/c/openbsd.zig
@@ -9,6 +9,7 @@ const passwd = std.c.passwd;
 const timespec = std.c.timespec;
 const uid_t = std.c.uid_t;
 const pid_t = std.c.pid_t;
+const fd_t = std.c.fd_t;
 const sockaddr = std.c.sockaddr;
 const socklen_t = std.c.socklen_t;
 const NI = std.c.NI;
@@ -17,6 +18,9 @@ const EAI = std.c.EAI;
 comptime {
     assert(builtin.os.tag == .openbsd); // Prevent access of std.c symbols on wrong OS.
 }
+
+pub extern "c" fn ioctl(fd: fd_t, request: c_ulong, ...) c_int;
+
 pub extern "c" fn getnameinfo(
     noalias addr: *const sockaddr,
     addrlen: socklen_t,
-- 
2.54.0