fix bug in rt_realloc of mem.c, which may cause memory leak
@@ -489,6 +489,12 @@ void *rt_realloc(void *rmem, rt_size_t newsize)
{
((struct heap_mem *)&heap_ptr[mem2->next])->prev = ptr2;
}
+
+ if (mem2 < lfree)
+ {
+ /* the splited struct is now the lowest */
+ lfree = mem2;
+ }
plug_holes(mem2);