1 files changed, 15 insertions, 0 deletions
diff --git a/third_party/rust/rustix/src/ffi.rs b/third_party/rust/rustix/src/ffi.rs
new file mode 100644
index 0000000000..ef9f87d810
--- /dev/null
+++ b/third_party/rust/rustix/src/ffi.rs
@@ -0,0 +1,15 @@
+//! Utilities related to FFI bindings.
+
+// If we have std, use it.
+#[cfg(feature = "std")]
+pub use {
+    std::ffi::{CStr, CString, FromBytesWithNulError, NulError},
+    std::os::raw::c_char,
+};
+
+// If we don't have std, we can depend on core and alloc having these features
+// in Rust 1.64+.
+#[cfg(all(feature = "alloc", not(feature = "std")))]
+pub use alloc::ffi::{CString, NulError};
+#[cfg(not(feature = "std"))]
+pub use core::ffi::{c_char, CStr, FromBytesWithNulError};