From eea07ef137992c80ab80e17f28d71abf04ef9079 Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@gmail.com>
Date: Wed, 23 Oct 2013 21:10:38 -0700
Subject: Slightly better error handling

---
 error.rs | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'error.rs')

diff --git a/error.rs b/error.rs
index 90429996..5e5479f8 100644
--- a/error.rs
+++ b/error.rs
@@ -6,14 +6,34 @@ use super::ffi;
 pub enum SslError {
     StreamEof,
     SslSessionClosed,
-    UnknownError(c_ulong)
+    UnknownError {
+        library: u8,
+        function: u16,
+        reason: u16
+    }
+}
+
+fn get_lib(err: c_ulong) -> u8 {
+    ((err >> 24) & 0xff) as u8
+}
+
+fn get_func(err: c_ulong) -> u16 {
+    ((err >> 12) & 0xfff) as u16
+}
+
+fn get_reason(err: c_ulong) -> u16 {
+    (err & 0xfff) as u16
 }
 
 impl SslError {
     pub fn get() -> Option<SslError> {
         match unsafe { ffi::ERR_get_error() } {
             0 => None,
-            err => Some(UnknownError(err))
+            err => Some(UnknownError {
+                library: get_lib(err),
+                function: get_func(err),
+                reason: get_reason(err)
+            })
         }
     }
 }
-- 
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