fix #5977

2 files changed, 4 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 3461e356..a8f5cf0f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+Sun 15 Dec 2019 02:12:02 PM CET
+    Fix send() call (affects Mac OS X). #5977 -CG/fbrault
+
 Fri 29 Nov 2019 11:22:25 PM CET
     If application suspends a connection before we could send 100 CONTINUE,
     give application another shot at queuing a reply before the upload begins. -CG
diff --git a/src/microhttpd/mhd_sockets.c b/src/microhttpd/mhd_sockets.c
index 7172f8ee..cda00fdd 100644
--- a/src/microhttpd/mhd_sockets.c
+++ b/src/microhttpd/mhd_sockets.c
@@ -528,6 +528,7 @@ MHD_socket_cork_ (MHD_socket sock,
        TCP_CORK always flushes socket buffer. */
     if (0 > send (sock,
                   &dummy,
+                  0,
                   0))
       return 0; /* even force flush failed!? */
     return 1; /* success */