1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 //! Raw OS-specific types for the current platform/architecture
13 #![stable(feature = "raw_os", since = "1.1.0")]
17 #[cfg(any(all(target_os = "linux", any(target_arch = "aarch64",
19 target_arch = "powerpc",
20 target_arch = "powerpc64",
21 target_arch = "s390x")),
22 all(target_os = "android", any(target_arch = "aarch64",
23 target_arch = "arm")),
24 all(target_os = "l4re", target_arch = "x86_64"),
25 all(target_os = "openbsd", target_arch = "aarch64"),
26 all(target_os = "fuchsia", target_arch = "aarch64")))]
27 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_char = u8;
28 #[cfg(not(any(all(target_os = "linux", any(target_arch = "aarch64",
30 target_arch = "powerpc",
31 target_arch = "powerpc64",
32 target_arch = "s390x")),
33 all(target_os = "android", any(target_arch = "aarch64",
34 target_arch = "arm")),
35 all(target_os = "l4re", target_arch = "x86_64"),
36 all(target_os = "openbsd", target_arch = "aarch64"),
37 all(target_os = "fuchsia", target_arch = "aarch64"))))]
38 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_char = i8;
39 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_schar = i8;
40 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_uchar = u8;
41 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_short = i16;
42 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_ushort = u16;
43 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_int = i32;
44 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_uint = u32;
45 #[cfg(any(target_pointer_width = "32", windows))]
46 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_long = i32;
47 #[cfg(any(target_pointer_width = "32", windows))]
48 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_ulong = u32;
49 #[cfg(all(target_pointer_width = "64", not(windows)))]
50 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_long = i64;
51 #[cfg(all(target_pointer_width = "64", not(windows)))]
52 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_ulong = u64;
53 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_longlong = i64;
54 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_ulonglong = u64;
55 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_float = f32;
56 #[stable(feature = "raw_os", since = "1.1.0")] pub type c_double = f64;
58 /// Type used to construct void pointers for use with C.
60 /// This type is only useful as a pointer target. Do not use it as a
61 /// return type for FFI functions which have the `void` return type in
62 /// C. Use the unit type `()` or omit the return type instead.
63 // NB: For LLVM to recognize the void pointer type and by extension
64 // functions like malloc(), we need to have it represented as i8* in
65 // LLVM bitcode. The enum used here ensures this and prevents misuse
66 // of the "raw" type by only having private variants.. We need two
67 // variants, because the compiler complains about the repr attribute
70 #[stable(feature = "raw_os", since = "1.1.0")]
72 #[unstable(feature = "c_void_variant", reason = "should not have to exist",
74 #[doc(hidden)] __variant1,
75 #[unstable(feature = "c_void_variant", reason = "should not have to exist",
77 #[doc(hidden)] __variant2,
80 #[stable(feature = "std_debug", since = "1.16.0")]
81 impl fmt::Debug for c_void {
82 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
88 #[allow(unused_imports)]
96 assert!(TypeId::of::<libc::$t>() == TypeId::of::<raw::$t>(),
97 "{} is wrong", stringify!($t));
104 ok!(c_char c_schar c_uchar c_short c_ushort c_int c_uint c_long c_ulong
105 c_longlong c_ulonglong c_float c_double);