Adding upstream version 0.70.1+ds1.upstream/0.70.1+ds1upstream

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

1 files changed, 53 insertions, 0 deletions

diff --git a/vendor/rustix/src/fs/seek_from.rs b/vendor/rustix/src/fs/seek_from.rs
new file mode 100644
index 0000000..c08abd2
--- /dev/null
+++ b/vendor/rustix/src/fs/seek_from.rs
@@ -0,0 +1,53 @@
+//! The following is derived from Rust's
+//! library/std/src/io/mod.rs at revision
+//! dca3f1b786efd27be3b325ed1e01e247aa589c3b.
+
+/// Enumeration of possible methods to seek within an I/O object.
+///
+/// It is used by the [`seek`] function.
+///
+/// This is similar to [`std::io::SeekFrom`], however it adds platform-specific
+/// seek options.
+///
+/// [`seek`]: crate::fs::seek
+#[derive(Copy, PartialEq, Eq, Clone, Debug)]
+#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))]
+pub enum SeekFrom {
+    /// Sets the offset to the provided number of bytes.
+    #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))]
+    Start(#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] u64),
+
+    /// Sets the offset to the size of this object plus the specified number of
+    /// bytes.
+    ///
+    /// It is possible to seek beyond the end of an object, but it's an error
+    /// to seek before byte 0.
+    #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))]
+    End(#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] i64),
+
+    /// Sets the offset to the current position plus the specified number of
+    /// bytes.
+    ///
+    /// It is possible to seek beyond the end of an object, but it's an error
+    /// to seek before byte 0.
+    #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))]
+    Current(#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] i64),
+
+    /// Sets the offset to the current position plus the specified number of
+    /// bytes, plus the distance to the next byte which is not in a hole.
+    ///
+    /// If the offset is in a hole at the end of the file, the seek will fail
+    /// with [`Errno::NXIO`].
+    ///
+    /// [`Errno::NXIO`]: crate::io::Errno::NXIO
+    #[cfg(any(apple, freebsdlike, linux_kernel, solarish))]
+    Data(i64),
+
+    /// Sets the offset to the current position plus the specified number of
+    /// bytes, plus the distance to the next byte which is in a hole.
+    ///
+    /// If there is no hole past the offset, it will be set to the end of the
+    /// file i.e. there is an implicit hole at the end of any file.
+    #[cfg(any(apple, freebsdlike, linux_kernel, solarish))]
+    Hole(i64),
+}