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// Copyright © 2017-2018 Mozilla Foundation
//
// This program is made available under an ISC-style license. See the
// accompanying file LICENSE for details.
#![macro_use]
use std::os::raw::c_int;
use Error;
pub fn cvt_r(ret: c_int) -> Result<(), Error> {
match ret {
n if n < 0 => Err(Error::from_raw(n)),
_ => Ok(()),
}
}
macro_rules! call {
(ffi::$p:ident ($($e:expr),*)) => ({
::call::cvt_r(ffi::$p($($e),*))
})
}