diff options
| -rw-r--r-- | libc/stdlib/malloc/heap.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libc/stdlib/malloc/heap.h b/libc/stdlib/malloc/heap.h index da63b4341..6b370fd5e 100644 --- a/libc/stdlib/malloc/heap.h +++ b/libc/stdlib/malloc/heap.h @@ -115,9 +115,9 @@ static void HEAP_DEBUG (struct heap *heap, const char *str) #endif -/* Remove the free-area FA from HEAP. */ +/* Delete the free-area FA from HEAP. */ extern inline void -__heap_unlink_free_area (struct heap *heap, struct heap_free_area *fa) +__heap_delete (struct heap *heap, struct heap_free_area *fa) { if (fa->next) fa->next->prev = fa->prev; @@ -193,7 +193,7 @@ __heap_free_area_alloc (struct heap *heap, /* There's not enough room left over in FA after allocating the block, so just use the whole thing, removing it from the list of free areas. */ { - __heap_unlink_free_area (heap, fa); + __heap_delete (heap, fa); /* Remember that we've alloced the whole area. */ size = fa_size; } @@ -218,3 +218,6 @@ extern size_t __heap_alloc_at (struct heap *heap, void *mem, size_t size); Returns the heap free area into which the memory was placed. */ extern struct heap_free_area *__heap_free (struct heap *heap, void *mem, size_t size); + +/* Return true if HEAP contains absolutely no memory. */ +#define __heap_is_empty(heap) (! (heap)->free_areas) |