xref: /aosp_15_r20/external/sandboxed-api/sandboxed_api/var_void.h (revision ec63e07ab9515d95e79c211197c445ef84cefa6a)
1*ec63e07aSXin Li // Copyright 2019 Google LLC
2*ec63e07aSXin Li //
3*ec63e07aSXin Li // Licensed under the Apache License, Version 2.0 (the "License");
4*ec63e07aSXin Li // you may not use this file except in compliance with the License.
5*ec63e07aSXin Li // You may obtain a copy of the License at
6*ec63e07aSXin Li //
7*ec63e07aSXin Li //     https://www.apache.org/licenses/LICENSE-2.0
8*ec63e07aSXin Li //
9*ec63e07aSXin Li // Unless required by applicable law or agreed to in writing, software
10*ec63e07aSXin Li // distributed under the License is distributed on an "AS IS" BASIS,
11*ec63e07aSXin Li // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12*ec63e07aSXin Li // See the License for the specific language governing permissions and
13*ec63e07aSXin Li // limitations under the License.
14*ec63e07aSXin Li 
15*ec63e07aSXin Li #ifndef SANDBOXED_API_VAR_VOID_H_
16*ec63e07aSXin Li #define SANDBOXED_API_VAR_VOID_H_
17*ec63e07aSXin Li 
18*ec63e07aSXin Li #include <cstddef>
19*ec63e07aSXin Li #include <memory>
20*ec63e07aSXin Li #include <string>
21*ec63e07aSXin Li 
22*ec63e07aSXin Li #include "sandboxed_api/var_ptr.h"
23*ec63e07aSXin Li #include "sandboxed_api/var_reg.h"
24*ec63e07aSXin Li 
25*ec63e07aSXin Li namespace sapi::v {
26*ec63e07aSXin Li 
27*ec63e07aSXin Li // Good, old void.
28*ec63e07aSXin Li class Void : public Callable {
29*ec63e07aSXin Li  public:
30*ec63e07aSXin Li   Void() = default;
31*ec63e07aSXin Li 
GetSize()32*ec63e07aSXin Li   size_t GetSize() const final { return 0U; }
GetType()33*ec63e07aSXin Li   Type GetType() const final { return Type::kVoid; }
GetTypeString()34*ec63e07aSXin Li   std::string GetTypeString() const final { return "Void"; }
ToString()35*ec63e07aSXin Li   std::string ToString() const final { return "Void"; }
36*ec63e07aSXin Li 
GetDataPtr()37*ec63e07aSXin Li   const void* GetDataPtr() override { return nullptr; }
SetDataFromPtr(const void * ptr,size_t max_sz)38*ec63e07aSXin Li   void SetDataFromPtr(const void* ptr, size_t max_sz) override {}
39*ec63e07aSXin Li };
40*ec63e07aSXin Li 
41*ec63e07aSXin Li }  // namespace sapi::v
42*ec63e07aSXin Li 
43*ec63e07aSXin Li #endif  // SANDBOXED_API_VAR_VOID_H_
44