1 files changed, 88 insertions, 0 deletions
diff --git a/src/fs/fcopyfile.rs b/src/fs/fcopyfile.rs
new file mode 100644
index 0000000..e8f26ff
--- /dev/null
+++ b/src/fs/fcopyfile.rs
@@ -0,0 +1,88 @@
+use crate::fs::CopyfileFlags;
+use crate::{backend, io};
+use backend::fd::AsFd;
+use backend::fs::types::copyfile_state_t;
+
+/// `fcopyfile(from, to, state, flags)`
+///
+/// # Safety
+///
+/// The `state` operand must be allocated with `copyfile_state_alloc` and not
+/// yet freed with `copyfile_state_free`.
+///
+/// # References
+///  - [Apple]
+///
+/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/fcopyfile.3.html
+#[inline]
+pub unsafe fn fcopyfile<FromFd: AsFd, ToFd: AsFd>(
+    from: FromFd,
+    to: ToFd,
+    state: copyfile_state_t,
+    flags: CopyfileFlags,
+) -> io::Result<()> {
+    backend::fs::syscalls::fcopyfile(from.as_fd(), to.as_fd(), state, flags)
+}
+
+/// `copyfile_state_alloc()`
+///
+/// # References
+///  - [Apple]
+///
+/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/fcopyfile.3.html
+#[inline]
+pub fn copyfile_state_alloc() -> io::Result<copyfile_state_t> {
+    backend::fs::syscalls::copyfile_state_alloc()
+}
+
+/// `copyfile_state_free(state)`
+///
+/// # Safety
+///
+/// The `state` operand must be allocated with `copyfile_state_alloc` and not
+/// yet freed with `copyfile_state_free`.
+///
+/// # References
+///  - [Apple]
+///
+/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/fcopyfile.3.html
+#[inline]
+pub unsafe fn copyfile_state_free(state: copyfile_state_t) -> io::Result<()> {
+    backend::fs::syscalls::copyfile_state_free(state)
+}
+
+/// `copyfile_state_get(state, COPYFILE_STATE_COPIED)`
+///
+/// # Safety
+///
+/// The `state` operand must be allocated with `copyfile_state_alloc` and not
+/// yet freed with `copyfile_state_free`.
+///
+/// # References
+///  - [Apple]
+///
+/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/fcopyfile.3.html
+#[inline]
+pub unsafe fn copyfile_state_get_copied(state: copyfile_state_t) -> io::Result<u64> {
+    backend::fs::syscalls::copyfile_state_get_copied(state)
+}
+
+/// `copyfile_state_get(state, flags, dst)`
+///
+/// # Safety
+///
+/// The `state` operand must be allocated with `copyfile_state_alloc` and not
+/// yet freed with `copyfile_state_free`.
+///
+/// # References
+///  - [Apple]
+///
+/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/fcopyfile.3.html
+#[inline]
+pub unsafe fn copyfile_state_get(
+    state: copyfile_state_t,
+    flag: u32,
+    dst: *mut core::ffi::c_void,
+) -> io::Result<()> {
+    backend::fs::syscalls::copyfile_state_get(state, flag, dst)
+}