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std::src::os::raw: Refactor, introducing macro type_alias!

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This file contained a lot of repetitive code.  This was about to get
considerably worse, with introduction of a slew of new aliases.

No functional change.  I've eyeballed the docs and they don't seem to
have changed either.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
This commit is contained in:
Ian Jackson 2021-02-17 19:51:27 +00:00
parent ee88f46bb5
commit d6b9d9a1d6
1 changed files with 27 additions and 54 deletions
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81
library/std/src/os/raw/mod.rs
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@ -11,7 +11,16 @@
#[cfg(test)]
mod tests;
#[doc(include = "char.md")]
macro_rules! type_alias {
{ $Docfile:tt, $Alias:ident = $Real:ty; $( $Cfg:tt )* } => {
#[doc(include = $Docfile)]
$( $Cfg )*
#[stable(feature = "raw_os", since = "1.1.0")]
pub type $Alias = $Real;
}
}
type_alias! { "char.md", c_char = u8;
#[cfg(any(
all(
target_os = "linux",
@ -52,10 +61,8 @@ mod tests;
)
),
all(target_os = "fuchsia", target_arch = "aarch64")
))]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_char = u8;
#[doc(include = "char.md")]
))]}
type_alias! { "char.md", c_char = i8;
#[cfg(not(any(
all(
target_os = "linux",
@ -96,55 +103,21 @@ pub type c_char = u8;
)
),
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;
)))]}
type_alias! { "schar.md", c_schar = i8; }
type_alias! { "uchar.md", c_uchar = u8; }
type_alias! { "short.md", c_short = i16; }
type_alias! { "ushort.md", c_ushort = u16; }
type_alias! { "int.md", c_int = i32; }
type_alias! { "uint.md", c_uint = u32; }
type_alias! { "long.md", c_long = i32; #[cfg(any(target_pointer_width = "32", windows))] }
type_alias! { "ulong.md", c_ulong = u32; #[cfg(any(target_pointer_width = "32", windows))] }
type_alias! { "long.md", c_long = i64; #[cfg(all(target_pointer_width = "64", not(windows)))] }
type_alias! { "ulong.md", c_ulong = u64; #[cfg(all(target_pointer_width = "64", not(windows)))] }
type_alias! { "longlong.md", c_longlong = i64; }
type_alias! { "ulonglong.md", c_ulonglong = u64; }
type_alias! { "float.md", c_float = f32; }
type_alias! { "double.md", c_double = f64; }
#[stable(feature = "raw_os", since = "1.1.0")]
#[doc(no_inline)]