From 42fd827009f84e22c08d33128e9ea7764b5039d1 Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@fh-muenster.de>
Date: Wed, 7 Aug 2019 12:53:40 +0200
Subject: [PATCH] Add support for getsockopt with SO_ERROR.

This is cherry picked from #339, since it is not related.
---
 usrsctplib/user_socket.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/usrsctplib/user_socket.c b/usrsctplib/user_socket.c
index 6ac0af7ea..bec022638 100755
--- a/usrsctplib/user_socket.c
+++ b/usrsctplib/user_socket.c
@@ -2406,6 +2406,20 @@ usrsctp_getsockopt(struct socket *so, int level, int option_name,
 				*option_len = (socklen_t)sizeof(struct linger);
 				return (0);
 			}
+			break;
+		case SO_ERROR:
+			if (*option_len < (socklen_t)sizeof(int)) {
+				errno = EINVAL;
+				return (-1);
+			} else {
+				int *intval;
+
+				intval = (int *)option_value;
+				*intval = so->so_error;
+				*option_len = (socklen_t)sizeof(int);
+				return (0);
+			}
+			break;
 		default:
 			errno = EINVAL;
 			return (-1);