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Diffstat (limited to 'library/std/src/os/raw/mod.rs')
| -rw-r--r-- | library/std/src/os/raw/mod.rs | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/library/std/src/os/raw/mod.rs b/library/std/src/os/raw/mod.rs new file mode 100644 index 00000000000..47daf0cce1b --- /dev/null +++ b/library/std/src/os/raw/mod.rs @@ -0,0 +1,167 @@ +//! Platform-specific types, as defined by C. +//! +//! Code that interacts via FFI will almost certainly be using the +//! base types provided by C, which aren't nearly as nicely defined +//! as Rust's primitive types. This module provides types which will +//! match those defined by C, so that code that interacts with C will +//! refer to the correct types. + +#![stable(feature = "raw_os", since = "1.1.0")] + +#[doc(include = "char.md")] +#[cfg(any( + all( + target_os = "linux", + any( + target_arch = "aarch64", + target_arch = "arm", + target_arch = "hexagon", + target_arch = "powerpc", + target_arch = "powerpc64", + target_arch = "s390x", + target_arch = "riscv64" + ) + ), + all(target_os = "android", any(target_arch = "aarch64", target_arch = "arm")), + all(target_os = "l4re", target_arch = "x86_64"), + all( + target_os = "freebsd", + any( + target_arch = "aarch64", + target_arch = "arm", + target_arch = "powerpc", + target_arch = "powerpc64" + ) + ), + all( + target_os = "netbsd", + any(target_arch = "aarch64", target_arch = "arm", target_arch = "powerpc") + ), + all(target_os = "openbsd", target_arch = "aarch64"), + all( + target_os = "vxworks", + any( + target_arch = "aarch64", + target_arch = "arm", + target_arch = "powerpc64", + target_arch = "powerpc" + ) + ), + all(target_os = "fuchsia", target_arch = "aarch64") +))] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_char = u8; +#[doc(include = "char.md")] +#[cfg(not(any( + all( + target_os = "linux", + any( + target_arch = "aarch64", + target_arch = "arm", + target_arch = "hexagon", + target_arch = "powerpc", + target_arch = "powerpc64", + target_arch = "s390x", + target_arch = "riscv64" + ) + ), + all(target_os = "android", any(target_arch = "aarch64", target_arch = "arm")), + all(target_os = "l4re", target_arch = "x86_64"), + all( + target_os = "freebsd", + any( + target_arch = "aarch64", + target_arch = "arm", + target_arch = "powerpc", + target_arch = "powerpc64" + ) + ), + all( + target_os = "netbsd", + any(target_arch = "aarch64", target_arch = "arm", target_arch = "powerpc") + ), + all(target_os = "openbsd", target_arch = "aarch64"), + all( + target_os = "vxworks", + any( + target_arch = "aarch64", + target_arch = "arm", + target_arch = "powerpc64", + target_arch = "powerpc" + ) + ), + all(target_os = "fuchsia", target_arch = "aarch64") +)))] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_char = i8; +#[doc(include = "schar.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_schar = i8; +#[doc(include = "uchar.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_uchar = u8; +#[doc(include = "short.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_short = i16; +#[doc(include = "ushort.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_ushort = u16; +#[doc(include = "int.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_int = i32; +#[doc(include = "uint.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_uint = u32; +#[doc(include = "long.md")] +#[cfg(any(target_pointer_width = "32", windows))] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_long = i32; +#[doc(include = "ulong.md")] +#[cfg(any(target_pointer_width = "32", windows))] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_ulong = u32; +#[doc(include = "long.md")] +#[cfg(all(target_pointer_width = "64", not(windows)))] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_long = i64; +#[doc(include = "ulong.md")] +#[cfg(all(target_pointer_width = "64", not(windows)))] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_ulong = u64; +#[doc(include = "longlong.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_longlong = i64; +#[doc(include = "ulonglong.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_ulonglong = u64; +#[doc(include = "float.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_float = f32; +#[doc(include = "double.md")] +#[stable(feature = "raw_os", since = "1.1.0")] +pub type c_double = f64; + +#[stable(feature = "raw_os", since = "1.1.0")] +#[doc(no_inline)] +pub use core::ffi::c_void; + +#[cfg(test)] +#[allow(unused_imports)] +mod tests { + use crate::any::TypeId; + use crate::mem; + + macro_rules! ok { + ($($t:ident)*) => {$( + assert!(TypeId::of::<libc::$t>() == TypeId::of::<raw::$t>(), + "{} is wrong", stringify!($t)); + )*} + } + + #[test] + fn same() { + use crate::os::raw; + ok!(c_char c_schar c_uchar c_short c_ushort c_int c_uint c_long c_ulong + c_longlong c_ulonglong c_float c_double); + } +} |