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fix: Make ioctl calls compatible with musl #144

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Merged
FreddyFunk merged 1 commit into from
Dec 22, 2025
Merged

fix: Make ioctl calls compatible with musl #144

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9 changes: 8 additions & 1 deletion src/backends/camera/pipewire/enumeration.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -273,7 +273,14 @@ fn get_v4l2_driver(device_path: &str) -> Option<String> {
reserved: [0; 3],
};

let result = unsafe { libc::ioctl(fd, VIDIOC_QUERYCAP, &mut cap as *mut V4l2Capability) };
let result = unsafe {
libc::syscall(
libc::SYS_ioctl,
fd,
VIDIOC_QUERYCAP,
&mut cap as *mut V4l2Capability,
)
};

if result < 0 {
debug!(device_path, "Failed to query V4L2 capability");
Expand Down
36 changes: 32 additions & 4 deletions src/backends/camera/v4l2_controls.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -232,7 +232,14 @@ pub fn query_control(device_path: &str, control_id: u32) -> Option<ControlInfo>
reserved: [0; 2],
};

let result = unsafe { libc::ioctl(fd, VIDIOC_QUERYCTRL, &mut qctrl as *mut V4l2Queryctrl) };
let result = unsafe {
libc::syscall(
libc::SYS_ioctl,
fd,
VIDIOC_QUERYCTRL,
&mut qctrl as *mut V4l2Queryctrl,
)
};

if result < 0 {
return None;
Expand Down Expand Up @@ -260,7 +267,14 @@ pub fn get_control(device_path: &str, control_id: u32) -> Option<i32> {
value: 0,
};

let result = unsafe { libc::ioctl(fd, VIDIOC_G_CTRL, &mut ctrl as *mut V4l2Control) };
let result = unsafe {
libc::syscall(
libc::SYS_ioctl,
fd,
VIDIOC_G_CTRL,
&mut ctrl as *mut V4l2Control,
)
};

if result < 0 {
debug!(device_path, control_id, "Failed to get V4L2 control");
Expand All @@ -280,7 +294,14 @@ pub fn set_control(device_path: &str, control_id: u32, value: i32) -> Result<(),
value,
};

let result = unsafe { libc::ioctl(fd, VIDIOC_S_CTRL, &mut ctrl as *mut V4l2Control) };
let result = unsafe {
libc::syscall(
libc::SYS_ioctl,
fd,
VIDIOC_S_CTRL,
&mut ctrl as *mut V4l2Control,
)
};

if result < 0 {
let errno = std::io::Error::last_os_error();
Expand Down Expand Up @@ -326,7 +347,14 @@ pub fn query_menu_items(device_path: &str, control_id: u32, max_index: i32) -> V
reserved: 0,
};

let result = unsafe { libc::ioctl(fd, VIDIOC_QUERYMENU, &mut qmenu as *mut V4l2Querymenu) };
let result = unsafe {
libc::syscall(
libc::SYS_ioctl,
fd,
VIDIOC_QUERYMENU,
&mut qmenu as *mut V4l2Querymenu,
)
};

if result >= 0 {
items.push(MenuItem {
Expand Down