mirror of
https://github.com/DrKLO/Telegram.git
synced 2024-12-22 14:35:03 +01:00
32 lines
1.1 KiB
C++
32 lines
1.1 KiB
C++
/*
|
|
* Copyright (C) 2016 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_DATA_SOURCE_H_
|
|
#define INCLUDE_DATA_SOURCE_H_
|
|
|
|
#include <jni.h>
|
|
#include <sys/types.h>
|
|
|
|
class DataSource {
|
|
public:
|
|
virtual ~DataSource() {}
|
|
// Returns the number of bytes read, or -1 on failure. It's not an error if
|
|
// this returns zero; it just means the given offset is equal to, or
|
|
// beyond, the end of the source.
|
|
virtual ssize_t readAt(off64_t offset, void* const data, size_t size) = 0;
|
|
};
|
|
|
|
#endif // INCLUDE_DATA_SOURCE_H_
|