diff options
Diffstat (limited to 'pkg/bits')
-rw-r--r-- | pkg/bits/bits.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/pkg/bits/bits.go b/pkg/bits/bits.go index a26433ad6..d16448c3d 100644 --- a/pkg/bits/bits.go +++ b/pkg/bits/bits.go @@ -14,3 +14,13 @@ // Package bits includes all bit related types and operations. package bits + +// AlignUp rounds a length up to an alignment. align must be a power of 2. +func AlignUp(length int, align uint) int { + return (length + int(align) - 1) & ^(int(align) - 1) +} + +// AlignDown rounds a length down to an alignment. align must be a power of 2. +func AlignDown(length int, align uint) int { + return length & ^(int(align) - 1) +} |