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authorFenrirWolf <[email protected]>2018-06-10 11:49:19 -0600
committerGitHub <[email protected]>2018-06-10 11:49:19 -0600
commit49041a4e56a4cab33ae7889537d33670e8b012fb (patch)
tree0c931e8716200f9aa8c7daef47b62474d0285d5c /ctr-std/src/os/raw/mod.rs
parentMerge pull request #69 from FenrirWolf/libctru-1.5.0 (diff)
parentFixes according to Fenrir's review (diff)
downloadctru-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.rs135
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
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+// 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);
+ }
+}