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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |  | 
| 2 // Use of this source code is governed by a BSD-style license that can be |  | 
| 3 // found in the LICENSE file. |  | 
| 4 |  | 
| 5 #ifndef SANDBOX_WIN_SRC_INTERNAL_TYPES_H_ |  | 
| 6 #define SANDBOX_WIN_SRC_INTERNAL_TYPES_H_ |  | 
| 7 |  | 
| 8 #include <stdint.h> |  | 
| 9 |  | 
| 10 namespace sandbox { |  | 
| 11 |  | 
| 12 const wchar_t kNtdllName[] = L"ntdll.dll"; |  | 
| 13 const wchar_t kKerneldllName[] = L"kernel32.dll"; |  | 
| 14 const wchar_t kKernelBasedllName[] = L"kernelbase.dll"; |  | 
| 15 |  | 
| 16 // Defines the supported C++ types encoding to numeric id. Like a poor's man |  | 
| 17 // RTTI. Note that true C++ RTTI will not work because the types are not |  | 
| 18 // polymorphic anyway. |  | 
| 19 enum ArgType { |  | 
| 20   INVALID_TYPE = 0, |  | 
| 21   WCHAR_TYPE, |  | 
| 22   UINT32_TYPE, |  | 
| 23   UNISTR_TYPE, |  | 
| 24   VOIDPTR_TYPE, |  | 
| 25   INPTR_TYPE, |  | 
| 26   INOUTPTR_TYPE, |  | 
| 27   LAST_TYPE |  | 
| 28 }; |  | 
| 29 |  | 
| 30 // Encapsulates a pointer to a buffer and the size of the buffer. |  | 
| 31 class CountedBuffer { |  | 
| 32  public: |  | 
| 33   CountedBuffer(void* buffer, uint32_t size) : size_(size), buffer_(buffer) {} |  | 
| 34 |  | 
| 35   uint32_t Size() const { return size_; } |  | 
| 36 |  | 
| 37   void* Buffer() const { |  | 
| 38     return buffer_; |  | 
| 39   } |  | 
| 40 |  | 
| 41  private: |  | 
| 42   uint32_t size_; |  | 
| 43   void* buffer_; |  | 
| 44 }; |  | 
| 45 |  | 
| 46 // Helper class to convert void-pointer packed ints for both |  | 
| 47 // 32 and 64 bit builds. This construct is non-portable. |  | 
| 48 class IPCInt { |  | 
| 49  public: |  | 
| 50   explicit IPCInt(void* buffer) { |  | 
| 51     buffer_.vp = buffer; |  | 
| 52   } |  | 
| 53 |  | 
| 54   explicit IPCInt(unsigned __int32 i32) { |  | 
| 55     buffer_.vp = NULL; |  | 
| 56     buffer_.i32 = i32; |  | 
| 57   } |  | 
| 58 |  | 
| 59   unsigned __int32 As32Bit() const { |  | 
| 60     return buffer_.i32; |  | 
| 61   } |  | 
| 62 |  | 
| 63   void* AsVoidPtr() const { |  | 
| 64     return buffer_.vp; |  | 
| 65   } |  | 
| 66 |  | 
| 67  private: |  | 
| 68   union U { |  | 
| 69     void* vp; |  | 
| 70     unsigned __int32 i32; |  | 
| 71   } buffer_; |  | 
| 72 }; |  | 
| 73 |  | 
| 74 }  // namespace sandbox |  | 
| 75 |  | 
| 76 #endif  // SANDBOX_WIN_SRC_INTERNAL_TYPES_H_ |  | 
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