//! This module contains type aliases for C's platform-specific types //! and fixed-width integer types. //! //! The platform-specific types definitions were taken from rust-lang/rust in //! library/core/src/ffi/primitives.rs //! //! The fixed-width integer aliases are deprecated: use the Rust types instead. pub type c_schar = i8; pub type c_uchar = u8; pub type c_short = i16; pub type c_ushort = u16; pub type c_longlong = i64; pub type c_ulonglong = u64; pub type c_float = f32; pub type c_double = f64; cfg_if! { if #[cfg(all( not(windows), not(target_vendor = "apple"), not(target_os = "vita"), any( target_arch = "aarch64", target_arch = "arm", target_arch = "csky", target_arch = "hexagon", target_arch = "msp430", target_arch = "powerpc", target_arch = "powerpc64", target_arch = "riscv32", target_arch = "riscv64", target_arch = "s390x", target_arch = "xtensa", ) ))] { pub type c_char = u8; } else { // On every other target, c_char is signed. pub type c_char = i8; } } cfg_if! { if #[cfg(any(target_arch = "avr", target_arch = "msp430"))] { pub type c_int = i16; pub type c_uint = u16; } else { pub type c_int = i32; pub type c_uint = u32; } } cfg_if! { if #[cfg(all(target_pointer_width = "64", not(windows)))] { pub type c_long = i64; pub type c_ulong = u64; } else { // The minimal size of `long` in the C standard is 32 bits pub type c_long = i32; pub type c_ulong = u32; } } #[deprecated(since = "0.2.55", note = "Use i8 instead.")] pub type int8_t = i8; #[deprecated(since = "0.2.55", note = "Use i16 instead.")] pub type int16_t = i16; #[deprecated(since = "0.2.55", note = "Use i32 instead.")] pub type int32_t = i32; #[deprecated(since = "0.2.55", note = "Use i64 instead.")] pub type int64_t = i64; #[deprecated(since = "0.2.55", note = "Use u8 instead.")] pub type uint8_t = u8; #[deprecated(since = "0.2.55", note = "Use u16 instead.")] pub type uint16_t = u16; #[deprecated(since = "0.2.55", note = "Use u32 instead.")] pub type uint32_t = u32; #[deprecated(since = "0.2.55", note = "Use u64 instead.")] pub type uint64_t = u64; cfg_if! { if #[cfg(all(target_arch = "aarch64", not(target_os = "windows")))] { /// C `__int128` (a GCC extension that's part of many ABIs) pub type __int128 = i128; /// C `unsigned __int128` (a GCC extension that's part of many ABIs) pub type __uint128 = u128; /// C __int128_t (alternate name for [__int128][]) pub type __int128_t = i128; /// C __uint128_t (alternate name for [__uint128][]) pub type __uint128_t = u128; } }