| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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) + 1)) |
| |
| // Round up 'x' to the nearest 'align' boundary |
| #define KUDU_ALIGN_UP(x, align) (((x) + ((align) - 1)) & (~(align) + 1)) |
| |
| #endif |