diff options
Diffstat (limited to 'include/my_bitmap.h')
| -rw-r--r-- | include/my_bitmap.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/my_bitmap.h b/include/my_bitmap.h index 5b3da011f54..a4511bf3414 100644 --- a/include/my_bitmap.h +++ b/include/my_bitmap.h @@ -55,6 +55,12 @@ extern void bitmap_set_bit(MY_BITMAP *map, uint bitmap_bit); extern void bitmap_set_prefix(MY_BITMAP *map, uint prefix_size); extern void bitmap_subtract(MY_BITMAP *map, const MY_BITMAP *map2); extern void bitmap_union(MY_BITMAP *map, const MY_BITMAP *map2); + +/* Fast, not thread safe, bitmap functions */ +#define bitmap_fast_set_bit(MAP, BIT) (MAP)->bitmap[(BIT) / 8] |= (1 << ((BIT) & 7)) +#define bitmap_fast_clear_bit(MAP, BIT) (MAP)->bitmap[(BIT) / 8] &= ~ (1 << ((BIT) & 7)) +#define bitmap_fast_is_set(MAP, BIT) (MAP)->bitmap[(BIT) / 8] & (1 << ((BIT) & 7)) + #ifdef __cplusplus } #endif |