Add core_info_list_get_display_name.

Avoids duped code in RGUI.

core_info.c

@@ -49,6 +49,8 @@ core_info_list_t *core_info_list_new(const char *modules_path)
    {
       char info_path[PATH_MAX];
       core_info[i].path = strdup(contents->elems[i].data);
+      if (!core_info[i].path)
+         break;
 
 #if defined(IOS) || defined(HAVE_BB10) || defined(__QNX__)
       // Libs are deployed with a suffix (*_ios.dylib, *_qnx.so, etc).
@@ -131,6 +133,21 @@ void core_info_list_free(core_info_list_t *core_info_list)
    free(core_info_list);
 }
 
+bool core_info_list_get_display_name(core_info_list_t *core_info_list, const char *path, char *buf, size_t size)
+{
+   for (size_t i = 0; i < core_info_list->count; i++)
+   {
+      const core_info_t *info = &core_info_list->list[i];
+      if (!strcmp(info->path, path) && info->display_name)
+      {
+         strlcpy(buf, info->display_name, size);
+         return true;
+      }
+   }
+
+   return false;
+}
+
 bool core_info_does_support_any_file(const core_info_t *core, const struct string_list *list)
 {
    if (!list || !core || !core->supported_extensions_list)

core_info.h

@@ -50,6 +50,8 @@ void core_info_list_get_supported_cores(core_info_list_t *core_info_list, const
 
 const char *core_info_list_get_all_extensions(core_info_list_t *core_info_list);
 
+bool core_info_list_get_display_name(core_info_list_t *core_info_list, const char *path, char *buf, size_t size);
+
 #ifdef __cplusplus
 }
 #endif

frontend/menu/rgui.c

@@ -213,17 +213,12 @@ static void rgui_resolve_libretro_names(rgui_list_t *list, const char *dir)
 
       char core_path[PATH_MAX];
       fill_pathname_join(core_path, dir, path, sizeof(core_path));
-      char info_path[PATH_MAX];
-      fill_pathname(info_path, core_path, ".info", sizeof(info_path));
-
-      config_file_t *conf = config_file_new(info_path);
-      if (!conf)
-         continue;
 
       char display_name[256];
-      if (config_get_array(conf, "display_name", display_name, sizeof(display_name)))
+      if (rgui->core_info &&
+            core_info_list_get_display_name(rgui->core_info,
+               core_path, display_name, sizeof(display_name)))
          rgui_list_set_alt_at_offset(list, i, display_name);
-      config_file_free(conf);
    }
 }