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| author | monty@mishka.local <> | 2004-05-16 14:48:32 +0300 |
|---|---|---|
| committer | monty@mishka.local <> | 2004-05-16 14:48:32 +0300 |
| commit | 314a8bf1148adc35263971a674333c02a8081b93 (patch) | |
| tree | 318557f2fbc33b547d96f62b2544f2e9f4174082 /include/my_bitmap.h | |
| parent | 565aa085a7b398d1ae6e06e628d8e43f052bba9d (diff) | |
| download | mariadb-git-314a8bf1148adc35263971a674333c02a8081b93.tar.gz | |
key_cmp -> key_cmp_if_same
New records_in_range() interface (similar to read_range())
Macros for faster bitmap handling
Simplify read_range() code (#WL1786)
New general key_cmp() function to compare keys
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 |