Merging upstream version 1.70.0+dfsg2.

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

1 files changed, 124 insertions, 0 deletions

diff --git a/vendor/os_info/src/bitness.rs b/vendor/os_info/src/bitness.rs
new file mode 100644
index 000000000..dba7e1c83
--- /dev/null
+++ b/vendor/os_info/src/bitness.rs
@@ -0,0 +1,124 @@
+// spell-checker:ignore getconf
+
+use std::fmt::{self, Display, Formatter};
+#[cfg(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "illumos",
+    target_os = "linux",
+    target_os = "macos",
+    target_os = "netbsd",
+    target_os = "openbsd"
+))]
+use std::process::{Command, Output};
+
+/// Operating system architecture in terms of how many bits compose the basic values it can deal with.
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[non_exhaustive]
+pub enum Bitness {
+    /// Unknown bitness (unable to determine).
+    Unknown,
+    /// 32-bit.
+    X32,
+    /// 64-bit.
+    X64,
+}
+
+impl Display for Bitness {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        match *self {
+            Bitness::Unknown => write!(f, "unknown bitness"),
+            Bitness::X32 => write!(f, "32-bit"),
+            Bitness::X64 => write!(f, "64-bit"),
+        }
+    }
+}
+
+#[cfg(any(
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "macos",
+))]
+pub fn get() -> Bitness {
+    match &Command::new("getconf").arg("LONG_BIT").output() {
+        Ok(Output { stdout, .. }) if stdout == b"32\n" => Bitness::X32,
+        Ok(Output { stdout, .. }) if stdout == b"64\n" => Bitness::X64,
+        _ => Bitness::Unknown,
+    }
+}
+
+#[cfg(target_os = "netbsd")]
+pub fn get() -> Bitness {
+    match &Command::new("sysctl")
+        .arg("-n")
+        .arg("hw.machine_arch")
+        .output()
+    {
+        Ok(Output { stdout, .. }) if stdout == b"amd64\n" => Bitness::X64,
+        Ok(Output { stdout, .. }) if stdout == b"x86_64\n" => Bitness::X64,
+        Ok(Output { stdout, .. }) if stdout == b"i386\n" => Bitness::X32,
+        Ok(Output { stdout, .. }) if stdout == b"aarch64\n" => Bitness::X64,
+        Ok(Output { stdout, .. }) if stdout == b"earmv7hf\n" => Bitness::X32,
+        Ok(Output { stdout, .. }) if stdout == b"sparc64\n" => Bitness::X64,
+        _ => Bitness::Unknown,
+    }
+}
+
+#[cfg(target_os = "openbsd")]
+pub fn get() -> Bitness {
+    match &Command::new("sysctl").arg("-n").arg("hw.machine").output() {
+        Ok(Output { stdout, .. }) if stdout == b"amd64\n" => Bitness::X64,
+        Ok(Output { stdout, .. }) if stdout == b"x86_64\n" => Bitness::X64,
+        Ok(Output { stdout, .. }) if stdout == b"i386\n" => Bitness::X32,
+        Ok(Output { stdout, .. }) if stdout == b"aarch64\n" => Bitness::X64,
+        Ok(Output { stdout, .. }) if stdout == b"earmv7hf\n" => Bitness::X32,
+        Ok(Output { stdout, .. }) if stdout == b"sparc64\n" => Bitness::X64,
+        _ => Bitness::Unknown,
+    }
+}
+
+#[cfg(target_os = "illumos")]
+pub fn get() -> Bitness {
+    match &Command::new("isainfo").arg("-b").output() {
+        Ok(Output { stdout, .. }) if stdout == b"64\n" => Bitness::X64,
+        Ok(Output { stdout, .. }) if stdout == b"32\n" => Bitness::X32,
+        _ => Bitness::Unknown,
+    }
+}
+
+#[cfg(all(
+    test,
+    any(
+        target_os = "dragonfly",
+        target_os = "freebsd",
+        target_os = "linux",
+        target_os = "macos",
+        target_os = "netbsd",
+        target_os = "openbsd"
+    )
+))]
+mod tests {
+    use super::*;
+    use pretty_assertions::assert_ne;
+
+    #[test]
+    fn get_bitness() {
+        let b = get();
+        assert_ne!(b, Bitness::Unknown);
+    }
+
+    #[test]
+    fn display() {
+        let data = [
+            (Bitness::Unknown, "unknown bitness"),
+            (Bitness::X32, "32-bit"),
+            (Bitness::X64, "64-bit"),
+        ];
+
+        for (bitness, expected) in &data {
+            assert_eq!(&bitness.to_string(), expected);
+        }
+    }
+}