From aeed588bdc897cbe89a3aa1053eeb65563ff1ea6 Mon Sep 17 00:00:00 2001
From: Thomas Behn <Thomas.Behn@meinberg.de>
Date: Tue, 10 Aug 2021 08:02:14 +0200
Subject: [PATCH] Don't define INVALID_SOCKET if it has been defined already
 (i.e. by libpcap)

---
 httplib.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/httplib.h b/httplib.h
index 2b52f0fc53..632962fce0 100644
--- a/httplib.h
+++ b/httplib.h
@@ -178,7 +178,9 @@ using socket_t = SOCKET;
 #include <unistd.h>
 
 using socket_t = int;
+#ifndef INVALID_SOCKET
 #define INVALID_SOCKET (-1)
+#endif
 #endif //_WIN32
 
 #include <algorithm>