libmicrohttpd

commit 9ebe27e18d0f2bd20865027d838dcacb6891d1f6
parent 9f4422e0caebca3fee2bdb24cb78e6e9d59a3c39
Author: Christian Grothoff <christian@grothoff.org>
Date:   Sat,  7 Mar 2020 17:09:22 +0100

check for socket validity

Diffstat:
M
src/microhttpd/mhd_sockets.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/microhttpd/mhd_sockets.c b/src/microhttpd/mhd_sockets.c
@@ -505,6 +505,11 @@ MHD_socket_cork_ (MHD_socket sock,
   const MHD_SCKT_OPT_BOOL_ on_val = 1;
 
   /* Disable extra buffering */
+  if (MHD_INVALID_SOCKET == sock)
+  {
+    errno = EBADF;
+    return 0; /* failed */
+  }
   if (0 != setsockopt (sock,
                        IPPROTO_TCP,
                        MHD_TCP_CORK_NOPUSH,