Migrate the openssl-sys crate to the 2018 edition

Needed for sfackler#1806

Author: alex

openssl-macros/src/lib.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::uninlined_format_args)]
+
 use proc_macro::TokenStream;
 use proc_macro2::Ident;
 use quote::quote;

openssl-sys/Cargo.toml

@@ -12,6 +12,7 @@ readme = "README.md"
 categories = ["cryptography", "external-ffi-bindings"]
 links = "openssl"
 build = "build/main.rs"
+edition = "2018"
 
 [features]
 vendored = ['openssl-src']

openssl-sys/build/find_normal.rs

@@ -1,4 +1,3 @@
-use pkg_config;
 use std::ffi::OsString;
 use std::path::{Path, PathBuf};
 use std::process::{self, Command};

openssl-sys/build/main.rs

@@ -1,4 +1,8 @@
-#![allow(clippy::inconsistent_digit_grouping, clippy::unusual_byte_groupings)]
+#![allow(
+    clippy::inconsistent_digit_grouping,
+    clippy::uninlined_format_args,
+    clippy::unusual_byte_groupings
+)]
 
 extern crate autocfg;
 #[cfg(feature = "bindgen")]

openssl-sys/src/asn1.rs

@@ -1,6 +1,6 @@
 use libc::*;
 
-use *;
+use crate::*;
 
 // ASN.1 tag values
 pub const V_ASN1_EOC: c_int = 0;

openssl-sys/src/bio.rs

@@ -1,6 +1,6 @@
 use libc::*;
 
-use *;
+use crate::*;
 
 pub const BIO_TYPE_NONE: c_int = 0;
 

openssl-sys/src/bn.rs

@@ -1,6 +1,6 @@
 use libc::*;
 
-use *;
+use crate::*;
 
 #[cfg(target_pointer_width = "64")]
 pub type BN_ULONG = c_ulonglong;

openssl-sys/src/cms.rs

@@ -1,5 +1,5 @@
+use crate::*;
 use libc::*;
-use *;
 
 #[cfg(ossl101)]
 pub const CMS_TEXT: c_uint = 0x1;

openssl-sys/src/crypto.rs

@@ -1,5 +1,5 @@
+use crate::*;
 use libc::*;
-use *;
 
 extern "C" {
     #[deprecated(note = "use CRYPTO_set_locking_callback__fixed_rust instead")]

openssl-sys/src/ec.rs

@@ -1,7 +1,7 @@
 use libc::*;
 use std::ptr;
 
-use *;
+use crate::*;
 
 pub const OPENSSL_EC_NAMED_CURVE: c_int = 1;