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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SANDBOX_SRC_INTERNAL_TYPES_H_
#define SANDBOX_SRC_INTERNAL_TYPES_H_
namespace sandbox {
const wchar_t kNtdllName[] = L"ntdll.dll";
const wchar_t kKerneldllName[] = L"kernel32.dll";
// Defines the supported C++ types encoding to numeric id. Like a poor's man
// RTTI. Note that true C++ RTTI will not work because the types are not
// polymorphic anyway.
enum ArgType {
INVALID_TYPE = 0,
WCHAR_TYPE,
ULONG_TYPE,
UNISTR_TYPE,
VOIDPTR_TYPE,
INPTR_TYPE,
INOUTPTR_TYPE,
LAST_TYPE
};
// Encapsulates a pointer to a buffer and the size of the buffer.
class CountedBuffer {
public:
CountedBuffer(void* buffer, uint32 size) : size_(size), buffer_(buffer) {}
uint32 Size() const {
return size_;
}
void* Buffer() const {
return buffer_;
}
private:
uint32 size_;
void* buffer_;
};
// Helper class to convert void-pointer packed ints for both
// 32 and 64 bit builds. This construct is non-portable.
class IPCInt {
public:
explicit IPCInt(void* buffer) {
buffer_.vp = buffer;
}
explicit IPCInt(unsigned __int32 i32) {
buffer_.vp = NULL;
buffer_.i32 = i32;
}
unsigned __int32 As32Bit() const {
return buffer_.i32;
}
void* AsVoidPtr() const {
return buffer_.vp;
}
private:
union U {
void* vp;
unsigned __int32 i32;
} buffer_;
};
} // namespace sandbox
#endif // SANDBOX_SRC_INTERNAL_TYPES_H_
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