| // Copyright 2013 Cloudera, Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // Macros for dealing with memory alignment. |
| #ifndef KUDU_UTIL_ALIGNMENT_H |
| #define KUDU_UTIL_ALIGNMENT_H |
| |
| // Round down 'x' to the nearest 'align' boundary |
| #define KUDU_ALIGN_DOWN(x, align) ((x) & (-(align))) |
| |
| // Round up 'x' to the nearest 'align' boundary |
| #define KUDU_ALIGN_UP(x, align) (((x) + ((align) - 1)) & (-(align))) |
| |
| #endif |
