[libmicrohttpd] branch master updated: Implemented and documented MHD_OPTION_LISTEN_SOCKET followed by MHD_INVALID_SOCKET

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

The following commit(s) were added to refs/heads/master by this push:
     new 75dbfbc7 Implemented and documented MHD_OPTION_LISTEN_SOCKET followed 
by MHD_INVALID_SOCKET
75dbfbc7 is described below

commit 75dbfbc71634af3dae9b5af1bc1e82fec32062e1
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Sun Nov 12 11:14:49 2023 +0300

    Implemented and documented MHD_OPTION_LISTEN_SOCKET followed by 
MHD_INVALID_SOCKET
---
 src/include/microhttpd.h |  2 ++
 src/microhttpd/daemon.c  | 10 ++++++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/include/microhttpd.h b/src/include/microhttpd.h
index 9e7e23e2..9d54ddee 100644
--- a/src/include/microhttpd.h
+++ b/src/include/microhttpd.h
@@ -1780,6 +1780,8 @@ enum MHD_OPTION
    * option is used, MHD will not open its own listen socket(s). The
    * argument passed must be of type `MHD_socket` and refer to an
    * existing socket that has been bound to a port and is listening.
+   * If followed by MHD_INVALID_SOCKET value, MHD ignores this option
+   * and creates socket by itself.
    */
   MHD_OPTION_LISTEN_SOCKET = 12,
 
diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
index 283e0839..644e134f 100644
--- a/src/microhttpd/daemon.c
+++ b/src/microhttpd/daemon.c
@@ -7405,11 +7405,12 @@ process_interim_params (struct MHD_Daemon *d,
 
   if (params->listen_fd_set)
   {
-    if (MHD_INVALID_SOCKET == params->listen_fd
+    if (MHD_INVALID_SOCKET == params->listen_fd)
+    {
+      (void) 0; /* Use MHD-created socket */
+    }
 #ifdef MHD_POSIX_SOCKETS
-        || 0 > params->listen_fd
-#endif /* MHD_POSIX_SOCKETS */
-        )
+    else if (0 > params->listen_fd)
     {
 #ifdef HAVE_MESSAGES
       MHD_DLOG (d,
@@ -7418,6 +7419,7 @@ process_interim_params (struct MHD_Daemon *d,
 #endif /* HAVE_MESSAGES */
       return false;
     }
+#endif /* MHD_POSIX_SOCKETS */
     else if (0 != (d->options & MHD_USE_NO_LISTEN_SOCKET))
     {
 #ifdef HAVE_MESSAGES

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