diff options
Diffstat (limited to 'src/errno.rs')
| -rw-r--r-- | src/errno.rs | 57 |
1 files changed, 26 insertions, 31 deletions
diff --git a/src/errno.rs b/src/errno.rs index a99c2261..e7486c8e 100644 --- a/src/errno.rs +++ b/src/errno.rs @@ -1,40 +1,35 @@ -use libc::c_int; +use libc::{self, c_int}; use std::{fmt, io, error}; use {Error, Result}; pub use self::consts::*; pub use self::consts::Errno::*; -#[cfg(any(target_os = "macos", - target_os = "ios", - target_os = "freebsd"))] -unsafe fn errno_location() -> *mut c_int { - extern { fn __error() -> *mut c_int; } - __error() -} - -#[cfg(target_os = "dragonfly")] -unsafe fn errno_location() -> *mut c_int { - extern { fn __dfly_error() -> *mut c_int; } - __dfly_error() -} - -#[cfg(any(target_os = "openbsd", target_os = "netbsd"))] -unsafe fn errno_location() -> *mut c_int { - extern { fn __errno() -> *mut c_int; } - __errno() -} - -#[cfg(target_os = "linux")] -unsafe fn errno_location() -> *mut c_int { - extern { fn __errno_location() -> *mut c_int; } - __errno_location() -} - -#[cfg(target_os = "android")] -unsafe fn errno_location() -> *mut c_int { - extern { fn __errno() -> *mut c_int; } - __errno() +cfg_if! { + if #[cfg(any(target_os = "freebsd", + target_os = "ios", + target_os = "macos"))] { + unsafe fn errno_location() -> *mut c_int { + libc::__error() + } + } else if #[cfg(target_os = "dragonfly")] { + unsafe fn errno_location() -> *mut c_int { + // FIXME: Replace with errno-dragonfly crate as this is no longer the correct + // implementation. + extern { fn __dfly_error() -> *mut c_int; } + __dfly_error() + } + } else if #[cfg(any(target_os = "android", + target_os = "netbsd", + target_os = "openbsd"))] { + unsafe fn errno_location() -> *mut c_int { + libc::__errno() + } + } else if #[cfg(target_os = "linux")] { + unsafe fn errno_location() -> *mut c_int { + libc::__errno_location() + } + } } /// Sets the platform-specific errno to no-error |