From ec18d790f165da1b2e7528828518a3034aa74b9c Mon Sep 17 00:00:00 2001
From: michael-grunder <michael.grunder@gmail.com>
Date: Thu, 2 Apr 2020 11:20:56 -0700
Subject: [PATCH] Const correctness

Fixes #778
---
 sockcompat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sockcompat.c b/sockcompat.c
index 4cc2f41..f99d14b 100644
--- a/sockcompat.c
+++ b/sockcompat.c
@@ -212,7 +212,7 @@ int win32_getsockopt(SOCKET sockfd, int level, int optname, void *optval, sockle
 int win32_setsockopt(SOCKET sockfd, int level, int optname, const void *optval, socklen_t optlen) {
     int ret = 0;
     if ((level == SOL_SOCKET) && ((optname == SO_RCVTIMEO) || (optname == SO_SNDTIMEO))) {
-        struct timeval *tv = optval;
+        const struct timeval *tv = optval;
         DWORD timeout = tv->tv_sec * 1000 + tv->tv_usec / 1000;
         ret = setsockopt(sockfd, level, optname, (const char*)&timeout, sizeof(DWORD));
     } else {