Refactor initial ROM history save.

Add menu_rom_history_push_current().

frontend/frontend.c

@@ -55,15 +55,7 @@ int main(int argc, char *argv[])
    // If we started a ROM directly from command line,
    // push it to ROM history.
    if (!g_extern.libretro_dummy)
-   {
+      menu_rom_history_push_current();
-      // g_extern.fullpath can be relative here.
-      if (*g_extern.fullpath)
-         path_resolve_realpath(g_extern.fullpath, sizeof(g_extern.fullpath));
-
-      menu_rom_history_push(*g_extern.fullpath ? g_extern.fullpath : NULL,
-            g_settings.libretro,
-            g_extern.system.info.library_name);
-   }
 
    for (;;)
    {

frontend/menu/menu_common.c

@@ -371,6 +371,21 @@ void menu_rom_history_push(const char *path,
       rom_history_push(rgui->history, path, core_path, core_name);
 }
 
+void menu_rom_history_push_current(void)
+{
+   // g_extern.fullpath can be relative here.
+   // Ensure we're pushing absolute path.
+
+   char tmp[PATH_MAX];
+   strlcpy(tmp, g_extern.fullpath, sizeof(tmp));
+   if (*tmp)
+      path_resolve_realpath(tmp, sizeof(tmp));
+
+   menu_rom_history_push(*tmp ? tmp : NULL,
+         g_settings.libretro,
+         g_extern.system.info.library_name);
+}
+
 void load_menu_game_prepare(void)
 {
    if (*g_extern.fullpath || rgui->load_no_rom)

frontend/menu/menu_common.h

@@ -284,6 +284,7 @@ bool load_menu_game(void);
 void load_menu_game_history(unsigned game_index);
 void menu_rom_history_push(const char *path, const char *core_path,
       const char *core_name);
+void menu_rom_history_push_current(void);
 
 #ifdef __cplusplus
 }