From 4e69c700d6ca737c36c5a84829bbd04df8acc22b Mon Sep 17 00:00:00 2001
From: Floogle <18466542+skyfloogle@users.noreply.github.com>
Date: Sun, 8 Jan 2023 15:58:31 +0100
Subject: [PATCH] added ENET_SOCKOPT_TTL

---
 include/enet/enet.h |  3 ++-
 unix.c              |  9 +++++++++
 win32.c             | 10 ++++++++++
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/include/enet/enet.h b/include/enet/enet.h
index d422ef5..522e30d 100644
--- a/include/enet/enet.h
+++ b/include/enet/enet.h
@@ -62,7 +62,8 @@ typedef enum _ENetSocketOption
    ENET_SOCKOPT_RCVTIMEO  = 6,
    ENET_SOCKOPT_SNDTIMEO  = 7,
    ENET_SOCKOPT_ERROR     = 8,
-   ENET_SOCKOPT_NODELAY   = 9
+   ENET_SOCKOPT_NODELAY   = 9,
+   ENET_SOCKOPT_TTL       = 10
 } ENetSocketOption;
 
 typedef enum _ENetSocketShutdown
diff --git a/unix.c b/unix.c
index b029221..2c7d847 100644
--- a/unix.c
+++ b/unix.c
@@ -348,6 +348,10 @@ enet_socket_set_option (ENetSocket socket, ENetSocketOption option, int value)
             result = setsockopt (socket, IPPROTO_TCP, TCP_NODELAY, (char *) & value, sizeof (int));
             break;
 
+        case ENET_SOCKOPT_TTL:
+            result = setsockopt (socket, IPPROTO_IP, IP_TTL, (char *) & value, sizeof (int));
+            break;
+
         default:
             break;
     }
@@ -366,6 +370,11 @@ enet_socket_get_option (ENetSocket socket, ENetSocketOption option, int * value)
             result = getsockopt (socket, SOL_SOCKET, SO_ERROR, value, & len);
             break;
 
+        case ENET_SOCKOPT_TTL:
+            len = sizeof (int);
+            result = getsockopt (socket, IPPROTO_IP, IP_TTL, (char *) value, & len);
+            break;
+
         default:
             break;
     }
diff --git a/win32.c b/win32.c
index eebdb03..0953466 100644
--- a/win32.c
+++ b/win32.c
@@ -8,6 +8,7 @@
 #include "enet/enet.h"
 #include <windows.h>
 #include <mmsystem.h>
+#include <ws2ipdef.h>
 
 static enet_uint32 timeBase = 0;
 
@@ -231,6 +232,10 @@ enet_socket_set_option (ENetSocket socket, ENetSocketOption option, int value)
             result = setsockopt (socket, IPPROTO_TCP, TCP_NODELAY, (char *) & value, sizeof (int));
             break;
 
+        case ENET_SOCKOPT_TTL:
+            result = setsockopt (socket, IPPROTO_IP, IP_TTL, (char *) & value, sizeof (int));
+            break;
+
         default:
             break;
     }
@@ -248,6 +253,11 @@ enet_socket_get_option (ENetSocket socket, ENetSocketOption option, int * value)
             result = getsockopt (socket, SOL_SOCKET, SO_ERROR, (char *) value, & len);
             break;
 
+        case ENET_SOCKOPT_TTL:
+            len = sizeof(int);
+            result = getsockopt (socket, IPPROTO_IP, IP_TTL, (char *) value, & len);
+            break;
+
         default:
             break;
     }