* Add 'null' frontend context driver (will come into use later on in

more important ways)
* RetroArch when compiled with menu support will now cleanly exit if
menu driver cannot be initialized properly

Makefile

@@ -6,6 +6,7 @@ OBJDIR := obj-unix
 
 OBJ = frontend/frontend.o \
 		frontend/frontend_context.o \
+		frontend/platform/platform_null.o \
 		retroarch.o \
 		file.o \
 		file_path.o \

Makefile.emscripten

@@ -1,6 +1,7 @@
 TARGET = retroarch.js
 
 OBJ = frontend/platform/platform_emscripten.o \
+		frontend/platform/platform_null.o \
 		frontend/frontend.o \
 		retroarch.o \
 		file.o \

Makefile.win

@@ -5,6 +5,7 @@ OBJDIR := obj-w32
 
 OBJ = frontend/frontend.o \
 		frontend/frontend_context.o \
+		frontend/platform/platform_null.o \
 		retroarch.o \
 		file.o \
 		file_path.o \

frontend/frontend.c

@@ -117,10 +117,6 @@ static void rarch_get_environment_console(void)
 #define attempt_load_game_fails (1ULL << MODE_EXIT)
 #endif
 
-#define frontend_init_enable true
-#define menu_init_enable true
-#define initial_lifecycle_state_preinit false
-
 static retro_keyboard_event_t key_event;
 
 #ifdef HAVE_MENU
@@ -345,14 +341,16 @@ returntype main_entry(signature())
    declare_argv();
    args_type() args = (args_type())args_initial_ptr();
 
-   if (frontend_init_enable)
-   {
-      frontend_ctx = (frontend_ctx_driver_t*)frontend_ctx_init_first();
+   frontend_ctx = (frontend_ctx_driver_t*)frontend_ctx_init_first();
 
-      if (frontend_ctx && frontend_ctx->init)
-         frontend_ctx->init(args);
+   if (!frontend_ctx)
+   {
+      RARCH_WARN("Frontend context could not be initialized.\n");
    }
 
+   if (frontend_ctx && frontend_ctx->init)
+      frontend_ctx->init(args);
+
    if (!ra_preinited)
    {
       rarch_main_clear_state();
@@ -372,14 +370,18 @@ returntype main_entry(signature())
    }
 
 #if defined(HAVE_MENU)
-   if (menu_init_enable)
-      driver.menu = (rgui_handle_t*)menu_init();
+   driver.menu = (rgui_handle_t*)menu_init();
+
+   if (!driver.menu)
+   {
+      RARCH_ERR("Couldn't initialize menu, exiting...\n");
+      returnfunc();
+   }
 
    if (frontend_ctx && frontend_ctx->process_args)
       frontend_ctx->process_args(argc, argv, args);
 
-   if (!initial_lifecycle_state_preinit)
-      g_extern.lifecycle_state |= initial_menu_lifecycle_state;
+   g_extern.lifecycle_state |= initial_menu_lifecycle_state;
 
    if (attempt_load_game_push_history)
    {

frontend/frontend_context.c

@@ -42,6 +42,7 @@ static const frontend_ctx_driver_t *frontend_ctx_drivers[] = {
 #if defined(PSP)
    &frontend_ctx_psp,
 #endif
+   &frontend_ctx_null,
    NULL // zero length array is not valid
 };
 

frontend/frontend_context.h

@@ -51,6 +51,7 @@ extern const frontend_ctx_driver_t frontend_ctx_qnx;
 extern const frontend_ctx_driver_t frontend_ctx_apple;
 extern const frontend_ctx_driver_t frontend_ctx_android;
 extern const frontend_ctx_driver_t frontend_ctx_psp;
+extern const frontend_ctx_driver_t frontend_ctx_null;
 
 const frontend_ctx_driver_t *frontend_ctx_find_driver(const char *ident); // Finds driver with ident. Does not initialize.
 const frontend_ctx_driver_t *frontend_ctx_init_first(void); // Finds first suitable driver and initializes.

frontend/platform/platform_null.c

@@ -0,0 +1,34 @@
+/* RetroArch - A frontend for libretro.
+ * Copyright (C) 2010-2014 - Hans-Kristian Arntzen
+ * Copyright (C) 2011-2014 - Daniel De Matteis
+ * Copyright (C) 2012-2014 - Jason Fetters
+ *
+ * RetroArch is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Found-
+ * ation, either version 3 of the License, or (at your option) any later version.
+ *
+ * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ * * You should have received a copy of the GNU General Public License along with RetroArch.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../frontend_context.h"
+
+#include <stdint.h>
+#include "../../boolean.h"
+#include <stddef.h>
+#include <string.h>
+
+const frontend_ctx_driver_t frontend_ctx_null = {
+   NULL,                         /* environment_get */
+   NULL,                         /* init */
+   NULL,                         /* deinit */
+   NULL,                         /* exitspawn */
+   NULL,                         /* process_args */
+   NULL,                         /* process_events */
+   NULL,                         /* exec */
+   NULL,                         /* shutdown */
+   "null",
+};

griffin/griffin.c

@@ -560,6 +560,7 @@ FRONTEND
 #elif defined(ANDROID)
 #include "../frontend/platform/platform_android.c"
 #endif
+#include "../frontend/platform/platform_null.c"
 
 #include "../frontend/info/core_info.c"