From 41fc91c5ccb8df34a75576292edbd5e15c339aeb Mon Sep 17 00:00:00 2001
From: Andy Prock <aprock@gmail.com>
Date: Wed, 30 Dec 2015 22:51:26 -0800
Subject: [PATCH] Fixes #17

It was crashing when trying to build a callback argument NSArray with a nil object. NSError's are not guaranteed to have a NSLocalizedFailureReason, so this case should be handled.
---
 ios/UdpSocketClient.m | 4 ++--
 ios/UdpSockets.m      | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/ios/UdpSocketClient.m b/ios/UdpSocketClient.m
index 5f1caba..e6a34f7 100644
--- a/ios/UdpSocketClient.m
+++ b/ios/UdpSocketClient.m
@@ -126,8 +126,8 @@ NSString *const RCTUDPErrorDomain = @"RCTUDPErrorDomain";
   NSNumber* tagNum = [NSNumber numberWithLong:msgTag];
   RCTResponseSenderBlock callback = [self getPendingSend:tagNum];
   if (callback) {
-    NSString* msg = [[error userInfo] valueForKey:@"NSLocalizedFailureReason"];
-    callback(@[msg]);
+    NSString *msg = error.localizedFailureReason ?: error.localizedDescription;
+    callback(@[msg ?: @"unkown error"]);
     [self dropPendingSend:tagNum];
   }
 }
diff --git a/ios/UdpSockets.m b/ios/UdpSockets.m
index 1eee5e7..04e8908 100644
--- a/ios/UdpSockets.m
+++ b/ios/UdpSockets.m
@@ -61,8 +61,8 @@ RCT_EXPORT_METHOD(bind:(nonnull NSNumber*)cId
     NSError *error = nil;
     if (![client bind:port address:address error:&error])
     {
-        NSString* msg = [[error userInfo] valueForKey:@"NSLocalizedFailureReason"];
-        callback(@[msg]);
+        NSString *msg = error.localizedFailureReason ?: error.localizedDescription;
+        callback(@[msg ?: @"unkown error when binding"]);
         return;
     }
 
@@ -97,8 +97,8 @@ RCT_EXPORT_METHOD(setBroadcast:(nonnull NSNumber*)cId
     NSError *error = nil;
     if (![client setBroadcast:flag error:&error])
     {
-        NSString* msg = [[error userInfo] valueForKey:@"NSLocalizedFailureReason"];
-        callback(@[msg]);
+        NSString *msg = error.localizedFailureReason ?: error.localizedDescription;
+        callback(@[msg ?: @"unkown error when setBroadcast"]);
         return;
     }
     callback(@[[NSNull null]]);