From 17934e4ebf550d3df5abe785bbdee34fd0c4b61b Mon Sep 17 00:00:00 2001
From: "Evgeny Grin (Karlson2k)" <k2k@narod.ru>
Date: Sun, 18 Apr 2021 14:18:01 +0300
Subject: [PATCH] MHD_create_response_from_iovec(): more portable behavior

Reject responses larger than SSIZE_MAX as they could be rejected
by sendmsg()
---
 src/microhttpd/response.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/microhttpd/response.c b/src/microhttpd/response.c
index 5dcdca18..ab8a56e8 100644
--- a/src/microhttpd/response.c
+++ b/src/microhttpd/response.c
@@ -895,7 +895,7 @@ MHD_create_response_from_iovec (const struct MHD_IoVec *iov,
     }
     if ( (total_size > (total_size + iov[i].iov_len)) ||
          (INT_MAX == i_cp) ||
-         (SSIZE_MAX < iov[i].iov_len) )
+         (SSIZE_MAX < (total_size + iov[i].iov_len)) )
     {
       i_cp = -1;     /* overflow */
       break;