From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/rustix/src/fs/seek_from.rs | 53 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 vendor/rustix/src/fs/seek_from.rs (limited to 'vendor/rustix/src/fs/seek_from.rs') 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), +} -- cgit v1.2.3