Cut down on unstable features in openssl-sys

* Move from `old_path` to `path` (leveraging the `fs` feature as well)
* Move from `StaticMutex` to `Mutex<()>` as they're dynamically initialized

openssl-sys/build.rs

@@ -1,4 +1,4 @@
-#![feature(env, path)]
+#![feature(path)]
 
 extern crate "pkg-config" as pkg_config;
 extern crate gcc;

openssl-sys/src/lib.rs

@@ -1,6 +1,6 @@
 #![allow(non_camel_case_types, non_upper_case_globals, non_snake_case)]
 #![allow(dead_code)]
-#![feature(core, old_io, old_path, std_misc, env)]
+#![feature(path, fs)]
 #![doc(html_root_url="https://sfackler.github.io/rust-openssl/doc/openssl-sys")]
 
 extern crate libc;
@@ -11,7 +11,7 @@ extern crate "libressl-pnacl-sys" as _for_linkage;
 use libc::{c_void, c_int, c_char, c_ulong, c_long, c_uint, c_uchar, size_t};
 use std::mem;
 use std::ptr;
-use std::sync::{StaticMutex, MutexGuard, MUTEX_INIT};
+use std::sync::{Mutex, MutexGuard};
 use std::sync::{Once, ONCE_INIT};
 
 pub type ASN1_INTEGER = c_void;
@@ -193,7 +193,7 @@ pub const X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE: c_int = 45;
 pub const X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: c_int = 53;
 pub const X509_V_OK: c_int = 0;
 
-static mut MUTEXES: *mut Vec<StaticMutex> = 0 as *mut Vec<StaticMutex>;
+static mut MUTEXES: *mut Vec<Mutex<()>> = 0 as *mut Vec<Mutex<()>>;
 static mut GUARDS: *mut Vec<Option<MutexGuard<'static, ()>>> = 0 as *mut Vec<Option<MutexGuard<'static, ()>>>;
 
 extern fn locking_function(mode: c_int, n: c_int, _file: *const c_char,
@@ -220,11 +220,11 @@ pub fn init() {
             let num_locks = CRYPTO_num_locks();
             let mut mutexes = Box::new(Vec::new());
             for _ in 0..num_locks {
-                mutexes.push(MUTEX_INIT);
+                mutexes.push(Mutex::new(()));
             }
             MUTEXES = mem::transmute(mutexes);
             let guards: Box<Vec<Option<MutexGuard<()>>>> =
-                Box::new(range(0, num_locks).map(|_| None).collect());
+                Box::new((0..num_locks).map(|_| None).collect());
             GUARDS = mem::transmute(guards);
 
             CRYPTO_set_locking_callback(locking_function);

openssl-sys/src/probe.rs

@@ -1,16 +1,17 @@
 use std::env;
-use std::old_io::fs::PathExtensions;
+use std::fs::PathExt;
+use std::path::PathBuf;
 
 pub struct ProbeResult {
-    pub cert_file: Option<Path>,
+    pub cert_file: Option<PathBuf>,
-    pub cert_dir: Option<Path>,
+    pub cert_dir: Option<PathBuf>,
 }
 
 /// Probe the system for the directory in which CA certificates should likely be
 /// found.
 ///
 /// This will only search known system locations.
-pub fn find_certs_dirs() -> Vec<Path> {
+pub fn find_certs_dirs() -> Vec<PathBuf> {
     // see http://gagravarr.org/writing/openssl-certs/others.shtml
     [
         "/var/ssl",
@@ -23,7 +24,7 @@ pub fn find_certs_dirs() -> Vec<Path> {
         "/etc/openssl",
         "/etc/pki/tls",
         "/etc/ssl",
-    ].iter().map(|s| Path::new(*s)).filter(|p| {
+    ].iter().map(|s| PathBuf::new(*s)).filter(|p| {
         p.exists()
     }).collect()
 }
@@ -39,7 +40,7 @@ pub fn init_ssl_cert_env_vars() {
         None => {}
     }
 
-    fn put(var: &str, path: Path) {
+    fn put(var: &str, path: PathBuf) {
         // Don't stomp over what anyone else has set
         match env::var(var) {
             Ok(..) => {}
@@ -50,8 +51,8 @@ pub fn init_ssl_cert_env_vars() {
 
 pub fn probe() -> ProbeResult {
     let mut result = ProbeResult {
-        cert_file: env::var("SSL_CERT_FILE").ok().map(Path::new),
+        cert_file: env::var_os("SSL_CERT_FILE").map(|s| PathBuf::new(&s)),
-        cert_dir: env::var("SSL_CERT_DIR").ok().map(Path::new),
+        cert_dir: env::var_os("SSL_CERT_DIR").map(|s| PathBuf::new(&s)),
     };
     for certs_dir in find_certs_dirs().iter() {
         // cert.pem looks to be an openssl 1.0.1 thing, while
@@ -65,7 +66,7 @@ pub fn probe() -> ProbeResult {
     result
 }
 
-fn try(dst: &mut Option<Path>, val: Path) {
+fn try(dst: &mut Option<PathBuf>, val: PathBuf) {
     if dst.is_none() && val.exists() {
         *dst = Some(val);
     }