Refactor init and error handling code

Move common ffi initialization code to 'ffi::init()' and the initialization of error handling to a
a shared location.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/ffi.rs b/src/ffi.rs
index 0bdae5b6..46466d39 100755
--- a/src/ffi.rs
+++ b/src/ffi.rs
@@ -2,6 +2,7 @@
 #![allow(dead_code)]
 use libc::{c_void, c_int, c_char, c_ulong, c_long, c_uint, c_uchar, size_t};
 use std::ptr;
+use sync::one::{Once, ONCE_INIT};
 
 pub use bn::BIGNUM;
 
@@ -181,6 +182,17 @@ extern {}
 #[link(name="wsock32")]
 extern { }
 
+pub fn init() {
+    static mut INIT: Once = ONCE_INIT;
+
+    unsafe {
+        INIT.doit(|| {
+            SSL_library_init();
+            SSL_load_error_strings()
+        })
+    }
+}
+
 // Functions converted from macros
 pub unsafe fn BIO_eof(b: *mut BIO) -> bool {
     BIO_ctrl(b, BIO_CTRL_EOF, 0, ptr::null_mut()) == 1