blob: 7089d0b370d71b4d12b430a38a8d517a75236d21 [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
#ifndef INCLUDE_PERFETTO_PROTOZERO_CONTIGUOUS_MEMORY_RANGE_H_
#define INCLUDE_PERFETTO_PROTOZERO_CONTIGUOUS_MEMORY_RANGE_H_
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
namespace protozero {
// Keep this struct trivially constructible (no ctors, no default initializers).
struct ContiguousMemoryRange {
uint8_t* begin;
uint8_t* end; // STL style: one byte past the end of the buffer.
inline bool is_valid() const { return begin != nullptr; }
inline void reset() { begin = nullptr; }
inline size_t size() { return static_cast<size_t>(end - begin); }
};
} // namespace protozero
#endif // INCLUDE_PERFETTO_PROTOZERO_CONTIGUOUS_MEMORY_RANGE_H_