From be9b402aa3c68eb5c86fe8954c4a4c6a251685f0 Mon Sep 17 00:00:00 2001
From: Daniel Caujolle-Bert <f1rmb.daniel@naboo-homelinux.org>
Date: Wed, 31 Mar 2021 13:35:37 +0200
Subject: [PATCH] Fix nasty bug in UDPSocket::close().

---
 UDPSocket.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/UDPSocket.cpp b/UDPSocket.cpp
index 510c8a2..ab025ec 100644
--- a/UDPSocket.cpp
+++ b/UDPSocket.cpp
@@ -187,6 +187,8 @@ bool CUDPSocket::open(const unsigned int index, const unsigned int af, const std
 		return false;
 	}
 
+	close(index);
+
 	int fd = ::socket(addr.ss_family, SOCK_DGRAM, 0);
 	if (fd < 0) {
 #if defined(_WIN32) || defined(_WIN64)
@@ -343,13 +345,13 @@ bool CUDPSocket::write(const unsigned char* buffer, unsigned int length, const s
 
 void CUDPSocket::close()
 {
-	for (int i = 0; i < UDP_SOCKET_MAX; i++)
-		close(m_fd[i]);
+	for (unsigned int i = 0; i < UDP_SOCKET_MAX; i++)
+		close(i);
 }
 
 void CUDPSocket::close(const unsigned int index)
 {
- 	if (m_fd[index] >= 0) {
+ 	if ((index < UDP_SOCKET_MAX) && (m_fd[index] >= 0)) {
 #if defined(_WIN32) || defined(_WIN64)
 		::closesocket(m_fd[index]);
 #else