Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 378 insertions, 0 deletions

diff --git a/third_party/rust/ioctl-sys/src/lib.rs b/third_party/rust/ioctl-sys/src/lib.rs
new file mode 100644
index 0000000000..508c4cd248
--- /dev/null
+++ b/third_party/rust/ioctl-sys/src/lib.rs
@@ -0,0 +1,37 @@
+use std::os::raw::{c_int, c_ulong};
+
+#[cfg(any(target_os = "linux", target_os = "macos", target_os = "android"))]
+#[macro_use]
+mod platform;
+
+#[cfg(any(target_os = "linux", target_os = "macos", target_os = "android"))]
+pub use platform::*;
+
+extern "C" {
+    #[doc(hidden)]
+    pub fn ioctl(fd: c_int, req: c_ulong, ...) -> c_int;
+}
+
+#[doc(hidden)]
+pub fn check_res(res: c_int) -> std::io::Result<()> {
+    if res < 0 {
+        Err(std::io::Error::last_os_error())
+    } else {
+        Ok(())
+    }
+}
+
+#[cfg(not(any(target_os = "linux", target_os = "macos", target_os = "android")))]
+use platform_not_supported;
+
+#[cfg(doctest)]
+mod test_readme {
+    macro_rules! external_doc_test {
+        ($x:expr) => {
+            #[doc = $x]
+            extern "C" {}
+        };
+    }
+
+    external_doc_test!(include_str!("../../README.md"));
+}
diff --git a/third_party/rust/ioctl-sys/src/platform/linux.rs b/third_party/rust/ioctl-sys/src/platform/linux.rs
new file mode 100644
index 0000000000..300718f996
--- /dev/null
+++ b/third_party/rust/ioctl-sys/src/platform/linux.rs
@@ -0,0 +1,59 @@
+#[cfg(target_arch = "mips")]
+mod consts {
+    #[doc(hidden)]
+    pub const NONE: u8 = 1;
+    #[doc(hidden)]
+    pub const READ: u8 = 2;
+    #[doc(hidden)]
+    pub const WRITE: u8 = 4;
+    #[doc(hidden)]
+    pub const SIZEBITS: u8 = 13;
+    #[doc(hidden)]
+    pub const DIRBITS: u8 = 3;
+}
+#[cfg(target_arch = "powerpc")]
+mod consts {
+    #[doc(hidden)]
+    pub const NONE: u8 = 1;
+    #[doc(hidden)]
+    pub const READ: u8 = 2;
+    #[doc(hidden)]
+    pub const WRITE: u8 = 4;
+    #[doc(hidden)]
+    pub const SIZEBITS: u8 = 13;
+    #[doc(hidden)]
+    pub const DIRBITS: u8 = 3;
+}
+
+#[cfg(not(any(
+    target_arch = "powerpc",
+    target_arch = "mips",
+    target_arch = "x86",
+    target_arch = "arm",
+    target_arch = "x86_64",
+    target_arch = "aarch64"
+)))]
+use this_arch_not_supported;
+
+// "Generic" ioctl protocol
+#[cfg(any(
+    target_arch = "x86",
+    target_arch = "arm",
+    target_arch = "x86_64",
+    target_arch = "aarch64"
+))]
+mod consts {
+    #[doc(hidden)]
+    pub const NONE: u8 = 0;
+    #[doc(hidden)]
+    pub const READ: u8 = 2;
+    #[doc(hidden)]
+    pub const WRITE: u8 = 1;
+    #[doc(hidden)]
+    pub const SIZEBITS: u8 = 14;
+    #[doc(hidden)]
+    pub const DIRBITS: u8 = 2;
+}
+
+#[doc(hidden)]
+pub use self::consts::*;
diff --git a/third_party/rust/ioctl-sys/src/platform/macos.rs b/third_party/rust/ioctl-sys/src/platform/macos.rs
new file mode 100644
index 0000000000..63314409cf
--- /dev/null
+++ b/third_party/rust/ioctl-sys/src/platform/macos.rs
@@ -0,0 +1,19 @@
+#[cfg(any(target_arch = "aarch64", target_arch = "x86_64"))]
+mod consts {
+    #[doc(hidden)]
+    pub const NONE: u8 = 1;
+    #[doc(hidden)]
+    pub const READ: u8 = 2;
+    #[doc(hidden)]
+    pub const WRITE: u8 = 4;
+    #[doc(hidden)]
+    pub const SIZEBITS: u8 = 13;
+    #[doc(hidden)]
+    pub const DIRBITS: u8 = 3;
+}
+
+#[cfg(not(any(target_arch = "aarch64", target_arch = "x86_64")))]
+use this_arch_not_supported;
+
+#[doc(hidden)]
+pub use self::consts::*;
diff --git a/third_party/rust/ioctl-sys/src/platform/mod.rs b/third_party/rust/ioctl-sys/src/platform/mod.rs
new file mode 100644
index 0000000000..d795b4f3c5
--- /dev/null
+++ b/third_party/rust/ioctl-sys/src/platform/mod.rs
@@ -0,0 +1,263 @@
+#[doc(hidden)]
+pub const NRBITS: u32 = 8;
+#[doc(hidden)]
+pub const TYPEBITS: u32 = 8;
+
+#[cfg(any(target_os = "linux", target_os = "android"))]
+#[path = "linux.rs"]
+mod consts;
+
+#[cfg(target_os = "macos")]
+#[path = "macos.rs"]
+mod consts;
+
+#[doc(hidden)]
+pub use self::consts::*;
+
+#[doc(hidden)]
+pub const NRSHIFT: u32 = 0;
+#[doc(hidden)]
+pub const TYPESHIFT: u32 = NRSHIFT + NRBITS as u32;
+#[doc(hidden)]
+pub const SIZESHIFT: u32 = TYPESHIFT + TYPEBITS as u32;
+#[doc(hidden)]
+pub const DIRSHIFT: u32 = SIZESHIFT + SIZEBITS as u32;
+
+#[doc(hidden)]
+pub const NRMASK: u32 = (1 << NRBITS) - 1;
+#[doc(hidden)]
+pub const TYPEMASK: u32 = (1 << TYPEBITS) - 1;
+#[doc(hidden)]
+pub const SIZEMASK: u32 = (1 << SIZEBITS) - 1;
+#[doc(hidden)]
+pub const DIRMASK: u32 = (1 << DIRBITS) - 1;
+
+/// Encode an ioctl command.
+#[macro_export]
+macro_rules! ioc {
+    ($dir:expr, $ty:expr, $nr:expr, $sz:expr) => {
+        (($dir as u32) << $crate::DIRSHIFT)
+            | (($ty as u32) << $crate::TYPESHIFT)
+            | (($nr as u32) << $crate::NRSHIFT)
+            | (($sz as u32) << $crate::SIZESHIFT)
+    };
+}
+
+/// Encode an ioctl command that has no associated data.
+#[macro_export]
+macro_rules! io {
+    ($ty:expr, $nr:expr) => {
+        $crate::ioc!($crate::NONE, $ty, $nr, 0)
+    };
+}
+
+/// Encode an ioctl command that reads.
+#[macro_export]
+macro_rules! ior {
+    ($ty:expr, $nr:expr, $sz:expr) => {
+        $crate::ioc!($crate::READ, $ty, $nr, $sz)
+    };
+}
+
+/// Encode an ioctl command that writes.
+#[macro_export]
+macro_rules! iow {
+    ($ty:expr, $nr:expr, $sz:expr) => {
+        $crate::ioc!($crate::WRITE, $ty, $nr, $sz)
+    };
+}
+
+/// Encode an ioctl command that both reads and writes.
+#[macro_export]
+macro_rules! iorw {
+    ($ty:expr, $nr:expr, $sz:expr) => {
+        $crate::ioc!($crate::READ | $crate::WRITE, $ty, $nr, $sz)
+    };
+}
+
+/// Declare a wrapper function around an ioctl.
+#[macro_export]
+macro_rules! ioctl {
+    (bad $name:ident with $nr:expr) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int, data: *mut u8) -> ::std::os::raw::c_int {
+            $crate::ioctl(fd, $nr as ::std::os::raw::c_ulong, data)
+        }
+    };
+    (bad read $name:ident with $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int, data: *mut $ty) -> ::std::os::raw::c_int {
+            $crate::ioctl(fd, $nr as ::std::os::raw::c_ulong, data)
+        }
+    };
+    (bad write $name:ident with $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int, data: *const $ty) -> ::std::os::raw::c_int {
+            $crate::ioctl(fd, $nr as ::std::os::raw::c_ulong, data)
+        }
+    };
+    (none $name:ident with $ioty:expr, $nr:expr) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int) -> ::std::os::raw::c_int {
+            $crate::ioctl(fd, $crate::io!($ioty, $nr) as ::std::os::raw::c_ulong)
+        }
+    };
+    (try none $name:ident with $ioty:expr, $nr:expr) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int) -> std::result::Result<(), std::io::Error> {
+            $crate::check_res($crate::ioctl(
+                fd,
+                $crate::io!($ioty, $nr) as ::std::os::raw::c_ulong,
+            ))
+        }
+    };
+    (arg $name:ident with $ioty:expr, $nr:expr) => {
+        pub unsafe fn $name(
+            fd: ::std::os::raw::c_int,
+            arg: ::std::os::raw::c_ulong,
+        ) -> ::std::os::raw::c_int {
+            $crate::ioctl(fd, $crate::io!($ioty, $nr) as ::std::os::raw::c_ulong, arg)
+        }
+    };
+    (read $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int, val: *mut $ty) -> ::std::os::raw::c_int {
+            $crate::ioctl(
+                fd,
+                $crate::ior!($ioty, $nr, ::std::mem::size_of::<$ty>()) as ::std::os::raw::c_ulong,
+                val,
+            )
+        }
+    };
+    (try read $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(
+            fd: ::std::os::raw::c_int,
+            val: *mut $ty,
+        ) -> std::result::Result<(), std::io::Error> {
+            $crate::check_res($crate::ioctl(
+                fd,
+                $crate::ior!($ioty, $nr, ::std::mem::size_of::<$ty>()) as ::std::os::raw::c_ulong,
+                val,
+            ))
+        }
+    };
+    (try read0 $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int) -> std::result::Result<$ty, std::io::Error> {
+            let mut val: $ty = std::mem::zeroed();
+            $crate::check_res($crate::ioctl(
+                fd,
+                $crate::ior!($ioty, $nr, ::std::mem::size_of::<$ty>()) as ::std::os::raw::c_ulong,
+                &mut val as *mut $ty,
+            ))
+            .map(|_| val)
+        }
+    };
+    (write $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int, val: *const $ty) -> ::std::os::raw::c_int {
+            $crate::ioctl(
+                fd,
+                $crate::iow!($ioty, $nr, ::std::mem::size_of::<$ty>()) as ::std::os::raw::c_ulong,
+                val,
+            )
+        }
+    };
+    (try write $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(
+            fd: ::std::os::raw::c_int,
+            val: *const $ty,
+        ) -> std::result::Result<(), std::io::Error> {
+            $crate::check_res($crate::ioctl(
+                fd,
+                $crate::iow!($ioty, $nr, ::std::mem::size_of::<$ty>()) as ::std::os::raw::c_ulong,
+                val,
+            ))
+        }
+    };
+    (readwrite $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(fd: ::std::os::raw::c_int, val: *mut $ty) -> ::std::os::raw::c_int {
+            $crate::ioctl(
+                fd,
+                $crate::iorw!($ioty, $nr, ::std::mem::size_of::<$ty>()) as ::std::os::raw::c_ulong,
+                val,
+            )
+        }
+    };
+    (try readwrite $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(
+            fd: ::std::os::raw::c_int,
+            val: *mut $ty,
+        ) -> std::result::Result<(), std::io::Error> {
+            $crate::check_res($crate::ioctl(
+                fd,
+                $crate::iorw!($ioty, $nr, ::std::mem::size_of::<$ty>()) as ::std::os::raw::c_ulong,
+                val,
+            ))
+        }
+    };
+    (read buf $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(
+            fd: ::std::os::raw::c_int,
+            val: *mut $ty,
+            len: usize,
+        ) -> ::std::os::raw::c_int {
+            $crate::ioctl(
+                fd,
+                $crate::ior!($ioty, $nr, len) as ::std::os::raw::c_ulong,
+                val,
+            )
+        }
+    };
+    (write buf $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(
+            fd: ::std::os::raw::c_int,
+            val: *const $ty,
+            len: usize,
+        ) -> ::std::os::raw::c_int {
+            $crate::ioctl(
+                fd,
+                $crate::iow!($ioty, $nr, len) as ::std::os::raw::c_ulong,
+                val,
+            )
+        }
+    };
+    (readwrite buf $name:ident with $ioty:expr, $nr:expr; $ty:ty) => {
+        pub unsafe fn $name(
+            fd: ::std::os::raw::c_int,
+            val: *const $ty,
+            len: usize,
+        ) -> ::std::os::raw::c_int {
+            $crate::ioctl(
+                fd,
+                $crate::iorw!($ioty, $nr, len) as ::std::os::raw::c_ulong,
+                val,
+            )
+        }
+    };
+}
+
+/// Extracts the "direction" (read/write/none) from an encoded ioctl command.
+#[inline(always)]
+pub fn ioc_dir(nr: u32) -> u8 {
+    ((nr >> DIRSHIFT) & DIRMASK) as u8
+}
+
+/// Extracts the type from an encoded ioctl command.
+#[inline(always)]
+pub fn ioc_type(nr: u32) -> u32 {
+    (nr >> TYPESHIFT) & TYPEMASK
+}
+
+/// Extracts the ioctl number from an encoded ioctl command.
+#[inline(always)]
+pub fn ioc_nr(nr: u32) -> u32 {
+    (nr >> NRSHIFT) & NRMASK
+}
+
+/// Extracts the size from an encoded ioctl command.
+#[inline(always)]
+pub fn ioc_size(nr: u32) -> u32 {
+    ((nr >> SIZESHIFT) as u32) & SIZEMASK
+}
+
+#[doc(hidden)]
+pub const IN: u32 = (WRITE as u32) << DIRSHIFT;
+#[doc(hidden)]
+pub const OUT: u32 = (READ as u32) << DIRSHIFT;
+#[doc(hidden)]
+pub const INOUT: u32 = ((READ | WRITE) as u32) << DIRSHIFT;
+#[doc(hidden)]
+pub const SIZE_MASK: u32 = SIZEMASK << SIZESHIFT;