1 files changed, 137 insertions, 0 deletions
diff --git a/vendor/rustix/src/system.rs b/vendor/rustix/src/system.rs
new file mode 100644
index 000000000..1f04c6b20
--- /dev/null
+++ b/vendor/rustix/src/system.rs
@@ -0,0 +1,137 @@
+//! Uname and other system-level functions.
+//!
+//! # Safety
+//!
+//! This function converts from `struct utsname` fields provided from the
+//! kernel into `&str` references, which assumes that they're NUL-terminated.
+#![allow(unsafe_code)]
+
+use crate::backend;
+use crate::ffi::CStr;
+#[cfg(not(target_os = "emscripten"))]
+use crate::io;
+use core::fmt;
+
+#[cfg(linux_kernel)]
+pub use backend::system::types::Sysinfo;
+
+/// `uname()`—Returns high-level information about the runtime OS and
+/// hardware.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/uname.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/uname.2.html
+#[inline]
+pub fn uname() -> Uname {
+    Uname(backend::system::syscalls::uname())
+}
+
+/// `struct utsname`—Return type for [`uname`].
+#[doc(alias = "utsname")]
+pub struct Uname(backend::system::types::RawUname);
+
+impl Uname {
+    /// `sysname`—Operating system release name
+    #[inline]
+    pub fn sysname(&self) -> &CStr {
+        Self::to_cstr(self.0.sysname.as_ptr().cast())
+    }
+
+    /// `nodename`—Name with vague meaning
+    ///
+    /// This is intended to be a network name, however it's unable to convey
+    /// information about hosts that have multiple names, or any information
+    /// about where the names are visible.
+    #[inline]
+    pub fn nodename(&self) -> &CStr {
+        Self::to_cstr(self.0.nodename.as_ptr().cast())
+    }
+
+    /// `release`—Operating system release version string
+    #[inline]
+    pub fn release(&self) -> &CStr {
+        Self::to_cstr(self.0.release.as_ptr().cast())
+    }
+
+    /// `version`—Operating system build identifiers
+    #[inline]
+    pub fn version(&self) -> &CStr {
+        Self::to_cstr(self.0.version.as_ptr().cast())
+    }
+
+    /// `machine`—Hardware architecture identifier
+    #[inline]
+    pub fn machine(&self) -> &CStr {
+        Self::to_cstr(self.0.machine.as_ptr().cast())
+    }
+
+    /// `domainname`—NIS or YP domain identifier
+    #[cfg(linux_kernel)]
+    #[inline]
+    pub fn domainname(&self) -> &CStr {
+        Self::to_cstr(self.0.domainname.as_ptr().cast())
+    }
+
+    #[inline]
+    fn to_cstr<'a>(ptr: *const u8) -> &'a CStr {
+        // SAFETY: Strings returned from the kernel are always NUL-terminated.
+        unsafe { CStr::from_ptr(ptr.cast()) }
+    }
+}
+
+impl fmt::Debug for Uname {
+    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
+        #[cfg(not(linux_kernel))]
+        {
+            write!(
+                fmt,
+                "{} {} {} {} {}",
+                self.sysname().to_string_lossy(),
+                self.nodename().to_string_lossy(),
+                self.release().to_string_lossy(),
+                self.version().to_string_lossy(),
+                self.machine().to_string_lossy(),
+            )
+        }
+        #[cfg(linux_kernel)]
+        {
+            write!(
+                fmt,
+                "{} {} {} {} {} {}",
+                self.sysname().to_string_lossy(),
+                self.nodename().to_string_lossy(),
+                self.release().to_string_lossy(),
+                self.version().to_string_lossy(),
+                self.machine().to_string_lossy(),
+                self.domainname().to_string_lossy(),
+            )
+        }
+    }
+}
+
+/// `sysinfo()`—Returns status information about the runtime OS.
+///
+/// # References
+///  - [Linux]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man2/uname.2.html
+#[cfg(linux_kernel)]
+#[inline]
+pub fn sysinfo() -> Sysinfo {
+    backend::system::syscalls::sysinfo()
+}
+
+/// `sethostname(name)`—Sets the system host name.
+///
+/// # References
+///  - [Linux]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man2/sethostname.2.html
+#[cfg(not(any(target_os = "emscripten", target_os = "redox", target_os = "wasi")))]
+#[inline]
+pub fn sethostname(name: &[u8]) -> io::Result<()> {
+    backend::system::syscalls::sethostname(name)
+}