Source code
Revision control
Copy as Markdown
Other Tools
#![allow(dead_code)]
// Simple tests to ensure macro generated fns compile
ioctl_none_bad!(do_bad, 0x1234);
ioctl_read_bad!(do_bad_read, 0x1234, u16);
ioctl_write_int_bad!(do_bad_write_int, 0x1234);
ioctl_write_ptr_bad!(do_bad_write_ptr, 0x1234, u8);
ioctl_readwrite_bad!(do_bad_readwrite, 0x1234, u32);
ioctl_none!(do_none, 0, 0);
ioctl_read!(read_test, 0, 0, u32);
ioctl_write_int!(write_ptr_int, 0, 0);
ioctl_write_ptr!(write_ptr_u8, 0, 0, u8);
ioctl_write_ptr!(write_ptr_u32, 0, 0, u32);
ioctl_write_ptr!(write_ptr_u64, 0, 0, u64);
ioctl_readwrite!(readwrite_test, 0, 0, u64);
ioctl_read_buf!(readbuf_test, 0, 0, u32);
const SPI_IOC_MAGIC: u8 = b'k';
const SPI_IOC_MESSAGE: u8 = 0;
ioctl_write_buf!(writebuf_test_consts, SPI_IOC_MAGIC, SPI_IOC_MESSAGE, u8);
ioctl_write_buf!(writebuf_test_u8, 0, 0, u8);
ioctl_write_buf!(writebuf_test_u32, 0, 0, u32);
ioctl_write_buf!(writebuf_test_u64, 0, 0, u64);
ioctl_readwrite_buf!(readwritebuf_test, 0, 0, u32);
// See C code for source of values for op calculations (does NOT work for mips/powerpc):
//
// TODO: Need a way to compute these constants at test time. Using precomputed
// values is fragile and needs to be maintained.
#[cfg(linux_android)]
mod linux {
// The cast is not unnecessary on all platforms.
#[allow(clippy::unnecessary_cast)]
#[test]
fn test_op_none() {
if cfg!(any(
target_arch = "mips",
target_arch = "mips32r6",
target_arch = "mips64",
target_arch = "mips64r6",
target_arch = "powerpc",
target_arch = "powerpc64"
)) {
assert_eq!(request_code_none!(b'q', 10) as u32, 0x2000_710A);
assert_eq!(request_code_none!(b'a', 255) as u32, 0x2000_61FF);
} else {
assert_eq!(request_code_none!(b'q', 10) as u32, 0x0000_710A);
assert_eq!(request_code_none!(b'a', 255) as u32, 0x0000_61FF);
}
}
// The cast is not unnecessary on all platforms.
#[allow(clippy::unnecessary_cast)]
#[test]
fn test_op_write() {
if cfg!(any(
target_arch = "mips",
target_arch = "mips32r6",
target_arch = "mips64",
target_arch = "mips64r6",
target_arch = "powerpc",
target_arch = "powerpc64"
)) {
assert_eq!(request_code_write!(b'z', 10, 1) as u32, 0x8001_7A0A);
assert_eq!(request_code_write!(b'z', 10, 512) as u32, 0x8200_7A0A);
} else {
assert_eq!(request_code_write!(b'z', 10, 1) as u32, 0x4001_7A0A);
assert_eq!(request_code_write!(b'z', 10, 512) as u32, 0x4200_7A0A);
}
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_op_write_64() {
if cfg!(any(
target_arch = "mips64",
target_arch = "mips64r6",
target_arch = "powerpc64"
)) {
assert_eq!(
request_code_write!(b'z', 10, 1u64 << 32) as u32,
0x8000_7A0A
);
} else {
assert_eq!(
request_code_write!(b'z', 10, 1u64 << 32) as u32,
0x4000_7A0A
);
}
}
// The cast is not unnecessary on all platforms.
#[allow(clippy::unnecessary_cast)]
#[test]
fn test_op_read() {
if cfg!(any(
target_arch = "mips",
target_arch = "mips32r6",
target_arch = "mips64",
target_arch = "mips64r6",
target_arch = "powerpc",
target_arch = "powerpc64"
)) {
assert_eq!(request_code_read!(b'z', 10, 1) as u32, 0x4001_7A0A);
assert_eq!(request_code_read!(b'z', 10, 512) as u32, 0x4200_7A0A);
} else {
assert_eq!(request_code_read!(b'z', 10, 1) as u32, 0x8001_7A0A);
assert_eq!(request_code_read!(b'z', 10, 512) as u32, 0x8200_7A0A);
}
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_op_read_64() {
if cfg!(any(
target_arch = "mips64",
target_arch = "mips64r6",
target_arch = "powerpc64"
)) {
assert_eq!(
request_code_read!(b'z', 10, 1u64 << 32) as u32,
0x4000_7A0A
);
} else {
assert_eq!(
request_code_read!(b'z', 10, 1u64 << 32) as u32,
0x8000_7A0A
);
}
}
// The cast is not unnecessary on all platforms.
#[allow(clippy::unnecessary_cast)]
#[test]
fn test_op_read_write() {
assert_eq!(request_code_readwrite!(b'z', 10, 1) as u32, 0xC001_7A0A);
assert_eq!(request_code_readwrite!(b'z', 10, 512) as u32, 0xC200_7A0A);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_op_read_write_64() {
assert_eq!(
request_code_readwrite!(b'z', 10, 1u64 << 32) as u32,
0xC000_7A0A
);
}
}
#[cfg(bsd)]
mod bsd {
#[test]
fn test_op_none() {
assert_eq!(request_code_none!(b'q', 10), 0x2000_710A);
assert_eq!(request_code_none!(b'a', 255), 0x2000_61FF);
}
#[cfg(freebsdlike)]
#[test]
fn test_op_write_int() {
assert_eq!(request_code_write_int!(b'v', 4), 0x2004_7604);
assert_eq!(request_code_write_int!(b'p', 2), 0x2004_7002);
}
#[test]
fn test_op_write() {
assert_eq!(request_code_write!(b'z', 10, 1), 0x8001_7A0A);
assert_eq!(request_code_write!(b'z', 10, 512), 0x8200_7A0A);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_op_write_64() {
assert_eq!(request_code_write!(b'z', 10, 1u64 << 32), 0x8000_7A0A);
}
#[test]
fn test_op_read() {
assert_eq!(request_code_read!(b'z', 10, 1), 0x4001_7A0A);
assert_eq!(request_code_read!(b'z', 10, 512), 0x4200_7A0A);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_op_read_64() {
assert_eq!(request_code_read!(b'z', 10, 1u64 << 32), 0x4000_7A0A);
}
#[test]
fn test_op_read_write() {
assert_eq!(request_code_readwrite!(b'z', 10, 1), 0xC001_7A0A);
assert_eq!(request_code_readwrite!(b'z', 10, 512), 0xC200_7A0A);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_op_read_write_64() {
assert_eq!(request_code_readwrite!(b'z', 10, 1u64 << 32), 0xC000_7A0A);
}
}
#[cfg(linux_android)]
mod linux_ioctls {
use std::mem;
use std::os::unix::io::AsRawFd;
use libc::{termios, TCGETS, TCSBRK, TCSETS, TIOCNXCL};
use tempfile::tempfile;
use nix::errno::Errno;
ioctl_none_bad!(tiocnxcl, TIOCNXCL);
#[test]
fn test_ioctl_none_bad() {
let file = tempfile().unwrap();
let res = unsafe { tiocnxcl(file.as_raw_fd()) };
assert_eq!(res, Err(Errno::ENOTTY));
}
ioctl_read_bad!(tcgets, TCGETS, termios);
#[test]
fn test_ioctl_read_bad() {
let file = tempfile().unwrap();
let mut termios = unsafe { mem::zeroed() };
let res = unsafe { tcgets(file.as_raw_fd(), &mut termios) };
assert_eq!(res, Err(Errno::ENOTTY));
}
ioctl_write_int_bad!(tcsbrk, TCSBRK);
#[test]
fn test_ioctl_write_int_bad() {
let file = tempfile().unwrap();
let res = unsafe { tcsbrk(file.as_raw_fd(), 0) };
assert_eq!(res, Err(Errno::ENOTTY));
}
ioctl_write_ptr_bad!(tcsets, TCSETS, termios);
#[test]
fn test_ioctl_write_ptr_bad() {
let file = tempfile().unwrap();
let termios: termios = unsafe { mem::zeroed() };
let res = unsafe { tcsets(file.as_raw_fd(), &termios) };
assert_eq!(res, Err(Errno::ENOTTY));
}
// FIXME: Find a suitable example for `ioctl_readwrite_bad`
// From linux/videodev2.h
ioctl_none!(log_status, b'V', 70);
#[test]
fn test_ioctl_none() {
let file = tempfile().unwrap();
let res = unsafe { log_status(file.as_raw_fd()) };
assert!(res == Err(Errno::ENOTTY) || res == Err(Errno::ENOSYS));
}
#[repr(C)]
pub struct v4l2_audio {
index: u32,
name: [u8; 32],
capability: u32,
mode: u32,
reserved: [u32; 2],
}
// From linux/videodev2.h
ioctl_write_ptr!(s_audio, b'V', 34, v4l2_audio);
#[test]
fn test_ioctl_write_ptr() {
let file = tempfile().unwrap();
let data: v4l2_audio = unsafe { mem::zeroed() };
let res = unsafe { s_audio(file.as_raw_fd(), &data) };
assert!(res == Err(Errno::ENOTTY) || res == Err(Errno::ENOSYS));
}
// From linux/net/bluetooth/hci_sock.h
const HCI_IOC_MAGIC: u8 = b'H';
const HCI_IOC_HCIDEVUP: u8 = 201;
ioctl_write_int!(hcidevup, HCI_IOC_MAGIC, HCI_IOC_HCIDEVUP);
#[test]
fn test_ioctl_write_int() {
let file = tempfile().unwrap();
let res = unsafe { hcidevup(file.as_raw_fd(), 0) };
assert!(res == Err(Errno::ENOTTY) || res == Err(Errno::ENOSYS));
}
// From linux/videodev2.h
ioctl_read!(g_audio, b'V', 33, v4l2_audio);
#[test]
fn test_ioctl_read() {
let file = tempfile().unwrap();
let mut data: v4l2_audio = unsafe { mem::zeroed() };
let res = unsafe { g_audio(file.as_raw_fd(), &mut data) };
assert!(res == Err(Errno::ENOTTY) || res == Err(Errno::ENOSYS));
}
// From linux/videodev2.h
ioctl_readwrite!(enum_audio, b'V', 65, v4l2_audio);
#[test]
fn test_ioctl_readwrite() {
let file = tempfile().unwrap();
let mut data: v4l2_audio = unsafe { mem::zeroed() };
let res = unsafe { enum_audio(file.as_raw_fd(), &mut data) };
assert!(res == Err(Errno::ENOTTY) || res == Err(Errno::ENOSYS));
}
// FIXME: Find a suitable example for `ioctl_read_buf`.
#[repr(C)]
pub struct spi_ioc_transfer {
tx_buf: u64,
rx_buf: u64,
len: u32,
speed_hz: u32,
delay_usecs: u16,
bits_per_word: u8,
cs_change: u8,
tx_nbits: u8,
rx_nbits: u8,
pad: u16,
}
// From linux/spi/spidev.h
ioctl_write_buf!(
spi_ioc_message,
super::SPI_IOC_MAGIC,
super::SPI_IOC_MESSAGE,
spi_ioc_transfer
);
#[test]
fn test_ioctl_write_buf() {
let file = tempfile().unwrap();
let data: [spi_ioc_transfer; 4] = unsafe { mem::zeroed() };
let res = unsafe { spi_ioc_message(file.as_raw_fd(), &data[..]) };
assert!(res == Err(Errno::ENOTTY) || res == Err(Errno::ENOSYS));
}
// FIXME: Find a suitable example for `ioctl_readwrite_buf`.
}
#[cfg(target_os = "freebsd")]
mod freebsd_ioctls {
use std::mem;
use std::os::unix::io::AsRawFd;
use libc::termios;
use tempfile::tempfile;
use nix::errno::Errno;
// From sys/sys/ttycom.h
const TTY_IOC_MAGIC: u8 = b't';
const TTY_IOC_TYPE_NXCL: u8 = 14;
const TTY_IOC_TYPE_GETA: u8 = 19;
const TTY_IOC_TYPE_SETA: u8 = 20;
ioctl_none!(tiocnxcl, TTY_IOC_MAGIC, TTY_IOC_TYPE_NXCL);
#[test]
fn test_ioctl_none() {
let file = tempfile().unwrap();
let res = unsafe { tiocnxcl(file.as_raw_fd()) };
assert_eq!(res, Err(Errno::ENOTTY));
}
ioctl_read!(tiocgeta, TTY_IOC_MAGIC, TTY_IOC_TYPE_GETA, termios);
#[test]
fn test_ioctl_read() {
let file = tempfile().unwrap();
let mut termios = unsafe { mem::zeroed() };
let res = unsafe { tiocgeta(file.as_raw_fd(), &mut termios) };
assert_eq!(res, Err(Errno::ENOTTY));
}
ioctl_write_ptr!(tiocseta, TTY_IOC_MAGIC, TTY_IOC_TYPE_SETA, termios);
#[test]
fn test_ioctl_write_ptr() {
let file = tempfile().unwrap();
let termios: termios = unsafe { mem::zeroed() };
let res = unsafe { tiocseta(file.as_raw_fd(), &termios) };
assert_eq!(res, Err(Errno::ENOTTY));
}
}