| // 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. |
| #ifndef KUDU_MEMORY_OVERWRITE_H |
| #define KUDU_MEMORY_OVERWRITE_H |
| |
| #include <cstddef> |
| |
| #include "kudu/gutil/strings/stringpiece.h" |
| |
| namespace kudu { |
| |
| // Overwrite 'p' with enough repetitions of 'pattern' to fill 'len' |
| // bytes. This is optimized at -O3 even in debug builds, so is |
| // reasonably efficient to use. |
| void OverwriteWithPattern(char* p, size_t len, StringPiece pattern); |
| |
| } // namespace kudu |
| #endif /* KUDU_MEMORY_OVERWRITE_H */ |
| |
