| // Copyright (c) 2017 Baidu, Inc. All Rights Reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in |
| // the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Baidu, Inc., nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| use core::fmt; |
| |
| pub type c_char = i8; |
| pub type c_schar = i8; |
| pub type c_uchar = u8; |
| pub type c_short = i16; |
| pub type c_ushort = u16; |
| pub type c_int = i32; |
| pub type c_uint = u32; |
| #[cfg(target_pointer_width = "32")] |
| pub type c_long = i32; |
| #[cfg(target_pointer_width = "32")] |
| pub type c_ulong = u32; |
| #[cfg(target_pointer_width = "64")] |
| pub type c_long = i64; |
| #[cfg(target_pointer_width = "64")] |
| pub type c_ulong = u64; |
| pub type c_longlong = i64; |
| pub type c_ulonglong = u64; |
| pub type c_float = f32; |
| pub type c_double = f64; |
| |
| /// Type used to construct void pointers for use with C. |
| /// |
| /// This type is only useful as a pointer target. Do not use it as a |
| /// return type for FFI functions which have the `void` return type in |
| /// C. Use the unit type `()` or omit the return type instead. |
| // 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)] |
| pub enum c_void { |
| #[doc(hidden)] __variant1, |
| #[doc(hidden)] __variant2, |
| } |
| |
| impl fmt::Debug for c_void { |
| fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| f.pad("c_void") |
| } |
| } |
