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| author | FenrirWolf <[email protected]> | 2018-06-10 11:49:19 -0600 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-06-10 11:49:19 -0600 |
| commit | 49041a4e56a4cab33ae7889537d33670e8b012fb (patch) | |
| tree | 0c931e8716200f9aa8c7daef47b62474d0285d5c /ctr-std/src/os/raw/mod.rs | |
| parent | Merge pull request #69 from FenrirWolf/libctru-1.5.0 (diff) | |
| parent | Fixes according to Fenrir's review (diff) | |
| download | ctru-rs-49041a4e56a4cab33ae7889537d33670e8b012fb.tar.xz ctru-rs-49041a4e56a4cab33ae7889537d33670e8b012fb.zip | |
Merge pull request #68 from linouxis9/master
Update for latest nightly 2018-05-06
Diffstat (limited to 'ctr-std/src/os/raw/mod.rs')
| -rw-r--r-- | ctr-std/src/os/raw/mod.rs | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/ctr-std/src/os/raw/mod.rs b/ctr-std/src/os/raw/mod.rs new file mode 100644 index 0000000..d5eeb52 --- /dev/null +++ b/ctr-std/src/os/raw/mod.rs @@ -0,0 +1,135 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +//! 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")] + +use fmt; + +#[doc(include = "os/raw/char.md")] +#[cfg(any(all(target_os = "linux", any(target_arch = "aarch64", + target_arch = "arm", + target_arch = "powerpc", + target_arch = "powerpc64", + target_arch = "s390x")), + all(target_os = "android", any(target_arch = "aarch64", + target_arch = "arm")), + all(target_os = "l4re", target_arch = "x86_64"), + all(target_os = "openbsd", target_arch = "aarch64"), + all(target_os = "fuchsia", target_arch = "aarch64")))] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_char = u8; +#[doc(include = "os/raw/char.md")] +#[cfg(not(any(all(target_os = "linux", any(target_arch = "aarch64", + target_arch = "arm", + target_arch = "powerpc", + target_arch = "powerpc64", + target_arch = "s390x")), + all(target_os = "android", any(target_arch = "aarch64", + target_arch = "arm")), + all(target_os = "l4re", target_arch = "x86_64"), + all(target_os = "openbsd", target_arch = "aarch64"), + all(target_os = "fuchsia", target_arch = "aarch64"))))] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_char = i8; +#[doc(include = "os/raw/schar.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_schar = i8; +#[doc(include = "os/raw/uchar.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_uchar = u8; +#[doc(include = "os/raw/short.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_short = i16; +#[doc(include = "os/raw/ushort.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_ushort = u16; +#[doc(include = "os/raw/int.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_int = i32; +#[doc(include = "os/raw/uint.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_uint = u32; +#[doc(include = "os/raw/long.md")] +#[cfg(any(target_pointer_width = "32", windows))] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_long = i32; +#[doc(include = "os/raw/ulong.md")] +#[cfg(any(target_pointer_width = "32", windows))] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_ulong = u32; +#[doc(include = "os/raw/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 = "os/raw/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 = "os/raw/longlong.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_longlong = i64; +#[doc(include = "os/raw/ulonglong.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_ulonglong = u64; +#[doc(include = "os/raw/float.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_float = f32; +#[doc(include = "os/raw/double.md")] +#[stable(feature = "raw_os", since = "1.1.0")] pub type c_double = f64; + +/// Equivalent to C's `void` type when used as a [pointer]. +/// +/// In essence, `*const c_void` is equivalent to C's `const void*` +/// and `*mut c_void` is equivalent to C's `void*`. That said, this is +/// *not* the same as C's `void` return type, which is Rust's `()` type. +/// +/// Ideally, this type would be equivalent to [`!`], but currently it may +/// be more ideal to use `c_void` for FFI purposes. +/// +/// [`!`]: ../../primitive.never.html +/// [pointer]: ../../primitive.pointer.html +// NB: For LLVM to recognize the void pointer type and by extension +// functions like malloc(), we need to have it represented as i8* in +// LLVM bitcode. The enum used here ensures this and prevents misuse +// of the "raw" type by only having private variants.. We need two +// variants, because the compiler complains about the repr attribute +// otherwise. +#[repr(u8)] +#[stable(feature = "raw_os", since = "1.1.0")] +pub enum c_void { + #[unstable(feature = "c_void_variant", reason = "should not have to exist", + issue = "0")] + #[doc(hidden)] __variant1, + #[unstable(feature = "c_void_variant", reason = "should not have to exist", + issue = "0")] + #[doc(hidden)] __variant2, +} + +#[stable(feature = "std_debug", since = "1.16.0")] +impl fmt::Debug for c_void { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + f.pad("c_void") + } +} + +#[cfg(test)] +#[allow(unused_imports)] +mod tests { + use any::TypeId; + use libc; + use mem; + + macro_rules! ok { + ($($t:ident)*) => {$( + assert!(TypeId::of::<libc::$t>() == TypeId::of::<raw::$t>(), + "{} is wrong", stringify!($t)); + )*} + } + + #[test] + fn same() { + use 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); + } +} |