diff options
Diffstat (limited to 'shape.c')
| -rw-r--r-- | shape.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -32,11 +32,13 @@ #define REDBLACK_CACHE_SIZE (SHAPE_BUFFER_SIZE * 32) +/* This depends on that the allocated memory by Ruby's allocator or + * mmap is not located at an odd address. */ #define SINGLE_CHILD_TAG 0x1 -#define TAG_SINGLE_CHILD(x) (struct rb_id_table *)((uintptr_t)x | SINGLE_CHILD_TAG) +#define TAG_SINGLE_CHILD(x) (struct rb_id_table *)((uintptr_t)(x) | SINGLE_CHILD_TAG) #define SINGLE_CHILD_MASK (~((uintptr_t)SINGLE_CHILD_TAG)) -#define SINGLE_CHILD_P(x) (((uintptr_t)x) & SINGLE_CHILD_TAG) -#define SINGLE_CHILD(x) (rb_shape_t *)((uintptr_t)x & SINGLE_CHILD_MASK) +#define SINGLE_CHILD_P(x) ((uintptr_t)(x) & SINGLE_CHILD_TAG) +#define SINGLE_CHILD(x) (rb_shape_t *)((uintptr_t)(x) & SINGLE_CHILD_MASK) #define ANCESTOR_CACHE_THRESHOLD 10 #define MAX_SHAPE_ID (SHAPE_BUFFER_SIZE - 1) #define ANCESTOR_SEARCH_MAX_DEPTH 2 |