1 files changed, 136 insertions, 0 deletions
diff --git a/third_party/rust/cty/src/lib.rs b/third_party/rust/cty/src/lib.rs
new file mode 100644
index 0000000000..971c9cb3a9
--- /dev/null
+++ b/third_party/rust/cty/src/lib.rs
@@ -0,0 +1,136 @@
+//! Type aliases to C types like c_int for use with bindgen
+//!
+//! # MSRV
+//!
+//! This crate is guaranteed to compile on stable Rust 1.30.0 and up. It *might* compile with older
+//! versions but that may change in any new patch release.
+
+#![allow(non_camel_case_types)]
+#![deny(warnings)]
+#![no_std]
+
+// AD = Architecture dependent
+pub use ad::*;
+// OD = OS dependent
+pub use od::*;
+// PWD = Pointer Width Dependent
+pub use pwd::*;
+
+#[cfg(any(all(target_arch = "aarch64", not(target_os = "macos")),
+          target_arch = "arm",
+          target_arch = "asmjs",
+          target_arch = "wasm32",
+          target_arch = "wasm64",
+          target_arch = "powerpc",
+          target_arch = "powerpc64",
+          target_arch = "s390x",
+          target_arch = "riscv32",
+          target_arch = "riscv64"))]
+mod ad {
+    pub type c_char = ::c_uchar;
+
+    pub type c_int = i32;
+    pub type c_uint = u32;
+}
+
+// TODO: Once https://github.com/rust-lang/rfcs/pull/2992 lands,
+// this should be extended to cover `aarch64-apple-ios-macabi`.
+#[cfg(all(target_arch = "aarch64", target_os = "macos"))]
+mod ad {
+    pub type c_char = ::c_schar;
+
+    pub type c_int = i32;
+    pub type c_uint = u32;
+}
+
+#[cfg(any(target_arch = "mips",
+          target_arch = "mips64",
+          target_arch = "sparc64",
+          target_arch = "x86",
+          target_arch = "x86_64",
+          target_arch = "nvptx",
+          target_arch = "nvptx64",
+          target_arch = "xtensa"))]
+mod ad {
+    pub type c_char = ::c_schar;
+
+    pub type c_int = i32;
+    pub type c_uint = u32;
+}
+
+#[cfg(target_arch = "msp430")]
+mod ad {
+    pub type c_char = ::c_uchar;
+
+    pub type c_int = i16;
+    pub type c_uint = u16;
+}
+
+// NOTE c_{,u}long definitions come from libc v0.2.3
+#[cfg(not(any(windows,
+              target_os = "redox",
+              target_os = "solaris")))]
+mod od {
+    #[cfg(any(target_pointer_width = "16",
+              target_pointer_width = "32"))]
+    pub type c_long = i32;
+    #[cfg(any(target_pointer_width = "16",
+              target_pointer_width = "32"))]
+    pub type c_ulong = u32;
+
+    #[cfg(target_pointer_width = "64")]
+    pub type c_long = i64;
+    #[cfg(target_pointer_width = "64")]
+    pub type c_ulong = u64;
+}
+
+#[cfg(windows)]
+mod od {
+    pub type c_long = i32;
+    pub type c_ulong = u32;
+}
+
+#[cfg(any(target_os = "redox",
+          target_os = "solaris"))]
+mod od {
+    pub type c_long = i64;
+    pub type c_ulong = u64;
+}
+
+#[cfg(target_pointer_width = "32")]
+mod pwd {}
+
+#[cfg(target_pointer_width = "64")]
+mod pwd {}
+
+pub type int8_t = i8;
+pub type int16_t = i16;
+pub type int32_t = i32;
+pub type int64_t = i64;
+
+pub type uint8_t = u8;
+pub type uint16_t = u16;
+pub type uint32_t = u32;
+pub type uint64_t = u64;
+
+pub type c_schar = i8;
+pub type c_short = i16;
+pub type c_longlong = i64;
+
+pub type c_uchar = u8;
+pub type c_ushort = u16;
+pub type c_ulonglong = u64;
+
+pub type c_float = f32;
+pub type c_double = f64;
+
+pub type intmax_t = i64;
+pub type uintmax_t = u64;
+
+pub type size_t = usize;
+pub type ptrdiff_t = isize;
+pub type intptr_t = isize;
+pub type uintptr_t = usize;
+pub type ssize_t = isize;
+
+pub type c_void = core::ffi::c_void;