diff options
Diffstat (limited to 'include/mimalloc-internal.h')
| -rw-r--r-- | include/mimalloc-internal.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index de77f3b..fd97b3e 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -167,10 +167,12 @@ static inline bool mi_mul_overflow(size_t count, size_t size, size_t* total) { #endif } -// Align upwards -static inline uintptr_t _mi_is_power_of_two(uintptr_t x) { +// Is `x` a power of two? +static inline bool _mi_is_power_of_two(uintptr_t x) { return ((x & (x - 1)) == 0); } + +// Align upwards static inline uintptr_t _mi_align_up(uintptr_t sz, size_t alignment) { uintptr_t mask = alignment - 1; if ((alignment & mask) == 0) { // power of two? |