From 890ab1db44703abf206335837e3d9ee8d0e12b7b Mon Sep 17 00:00:00 2001
From: Vincent Wei <vincent@minigui.org>
Date: Wed, 30 Aug 2023 15:40:13 +0800
Subject: [PATCH] debug

---
 include/gdi.h        | 15 ++++++++++++---
 src/server/request.c |  3 +++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/include/gdi.h b/include/gdi.h
index 89337d90..728b2d3d 100644
--- a/include/gdi.h
+++ b/include/gdi.h
@@ -1772,7 +1772,7 @@ MG_EXPORT BOOL GUIAPI DestroySharedSurface (HSURF surf);
 
 /**
  * \fn int GUIAPI GetSharedSurfaceFDByClientWindow (int client,
- *      HWND hwnd)
+ *      HWND hwnd, size_t *map_size, DWORD *flags)
  * \brief Gets the file descriptor of the shared surface of a window created
  * by another client.
  *
@@ -1783,13 +1783,17 @@ MG_EXPORT BOOL GUIAPI DestroySharedSurface (HSURF surf);
  *
  * \param client The client identifier.
  * \param hwnd The handle to the window created by the client.
+ * \param map_size The pointer to a buffer of size_t to receive the whole size
+ *      of the shared surface in bytes; nullable.
+ * \param flags The pointer to a buffer of DWORD to receive the flags of
+ *      the shared surface; nullable.
  *
  * \return The file descriptor which represents the shared surface on success;
  *      a value less than 0 for failure.
  *
  * \note This function only available when _MGSCHEMA_COMPOSITING is defined.
  *
- * \sa CreateSharedSurface
+ * \sa AttachToSharedSurface, GetWindowSharedSurfaceFD
  *
  * Since 5.2.0
  */
@@ -1797,7 +1801,8 @@ MG_EXPORT int GUIAPI GetSharedSurfaceFDByClientWindow (int client,
         HWND hwnd, size_t *map_size, DWORD *flags);
 
 /**
- * \fn int GUIAPI GetSharedSurfaceFDByName (const char *name)
+ * \fn int GUIAPI GetSharedSurfaceFDByName (const char *name,
+ *      size_t *map_size, DWORD *flags)
  * \brief Gets the file descriptor of a shared surface by name.
  *
  * This function gets the file descriptor of the shared surface created
@@ -1806,6 +1811,10 @@ MG_EXPORT int GUIAPI GetSharedSurfaceFDByClientWindow (int client,
  * the shared surface.
  *
  * \param name The gobal unique name for the shared surface.
+ * \param map_size The pointer to a buffer of size_t to receive the whole size
+ *      of the shared surface in bytes; nullable.
+ * \param flags The pointer to a buffer of DWORD to receive the flags of
+ *      the shared surface; nullable.
  *
  * \return The file descriptor which represents the shared surface on success;
  *      a value less than 0 for failure.
diff --git a/src/server/request.c b/src/server/request.c
index b6ada19a..1fe50784 100644
--- a/src/server/request.c
+++ b/src/server/request.c
@@ -55,6 +55,7 @@
 
 #include <signal.h>
 
+#define _DEBUG
 #include "common.h"
 #include "minigui.h"
 #include "gdi.h"
@@ -831,6 +832,7 @@ int __mg_nssurf_map_operate_srv(const OPERATENSSURFINFO* req_info,
 
     switch (req_info->id_op) {
         case ID_NAMEDSSURFOP_REGISTER:
+            _DBG_PRINTF("Registering name: %s from client: %d\n", req_info->name, cli);
             entry = __mg_map_find(__nssurf_map, req_info->name);
             if (entry)
                 goto done;
@@ -849,6 +851,7 @@ int __mg_nssurf_map_operate_srv(const OPERATENSSURFINFO* req_info,
             }
 
             add_global_res(cli, __nssurf_map, entry->key, release_nssurf_info);
+            result = 0;
             break;
 
         case ID_NAMEDSSURFOP_SET: