core_alloc: Provide a tiny test allocation, which can be freed for debug purposes.

This allocation can be freed in the buflib debug menu (select it to free).
Doing a another allocation, e.g. by selecting another item in this debug menu
will cause compaction (all allocs move).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30719 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 15 insertions, 8 deletions

diff --git a/apps/debug_menu.c b/apps/debug_menu.c
index 7c2e6c7..e96b8c5 100644
--- a/apps/debug_menu.c
+++ b/apps/debug_menu.c
@@ -429,14 +429,21 @@ static int bf_action_cb(int action, struct gui_synclist* list)
 {
     if (action == ACTION_STD_OK)
     {
-        splash(HZ/1, "Attempting a 64k allocation");
-        int handle = core_alloc("test", 64<<10);
-        splash(HZ/2, (handle > 0) ? "Success":"Fail");
-        /* for some reason simplelist doesn't allow adding items here if
-         * info.get_name is given, so use normal list api */
-        gui_synclist_set_nb_items(list, core_get_num_blocks());
-        if (handle > 0)
-            core_free(handle);
+        if (gui_synclist_get_sel_pos(list) == 0 && core_test_free())
+        {
+            splash(HZ, "Freed test handle. New alloc should trigger compact");
+        }
+        else
+        {
+            splash(HZ/1, "Attempting a 64k allocation");
+            int handle = core_alloc("test", 64<<10);
+            splash(HZ/2, (handle > 0) ? "Success":"Fail");
+            /* for some reason simplelist doesn't allow adding items here if
+             * info.get_name is given, so use normal list api */
+            gui_synclist_set_nb_items(list, core_get_num_blocks());
+            if (handle > 0)
+                core_free(handle);
+        }
         action = ACTION_REDRAW;
     }
     else if (action == ACTION_NONE)