void malloc_simple_info(void);
+/**
+ * malloc_enable_testing() - Put malloc() into test mode
+ *
+ * This only works if UNIT_TESTING is enabled
+ *
+ * @max_allocs: return -ENOMEM after max_allocs calls to malloc()
+ */
+void malloc_enable_testing(int max_allocs);
+
+/** malloc_disable_testing() - Put malloc() into normal mode */
+void malloc_disable_testing(void);
+
#if CONFIG_IS_ENABLED(SYS_MALLOC_SIMPLE)
#define malloc malloc_simple
#define realloc realloc_simple
#define memalign memalign_simple
+#if IS_ENABLED(CONFIG_VALGRIND)
+#define free free_simple
+#else
static inline void free(void *ptr) {}
+#endif
void *calloc(size_t nmemb, size_t size);
void *realloc_simple(void *ptr, size_t size);
#else