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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #include "base/win/scoped_bstr.h" | 5 #include "base/win/scoped_bstr.h" | 
| 6 | 6 | 
| 7 #include "base/logging.h" | 7 #include "base/logging.h" | 
| 8 | 8 | 
| 9 namespace base { | 9 namespace base { | 
| 10 namespace win { | 10 namespace win { | 
| 11 | 11 | 
| 12 ScopedBstr::ScopedBstr(const char16* non_bstr) | 12 ScopedBstr::ScopedBstr(const char16* non_bstr) | 
| 13     : bstr_(SysAllocString(non_bstr)) { | 13     : bstr_(SysAllocString(non_bstr)) { | 
| 14 } | 14 } | 
| 15 | 15 | 
| 16 ScopedBstr::~ScopedBstr() { | 16 ScopedBstr::~ScopedBstr() { | 
| 17   COMPILE_ASSERT(sizeof(ScopedBstr) == sizeof(BSTR), ScopedBstrSize); | 17   static_assert(sizeof(ScopedBstr) == sizeof(BSTR), "ScopedBstrSize"); | 
| 18   SysFreeString(bstr_); | 18   SysFreeString(bstr_); | 
| 19 } | 19 } | 
| 20 | 20 | 
| 21 void ScopedBstr::Reset(BSTR bstr) { | 21 void ScopedBstr::Reset(BSTR bstr) { | 
| 22   if (bstr != bstr_) { | 22   if (bstr != bstr_) { | 
| 23     // if |bstr_| is NULL, SysFreeString does nothing. | 23     // if |bstr_| is NULL, SysFreeString does nothing. | 
| 24     SysFreeString(bstr_); | 24     SysFreeString(bstr_); | 
| 25     bstr_ = bstr; | 25     bstr_ = bstr; | 
| 26   } | 26   } | 
| 27 } | 27 } | 
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| 62 size_t ScopedBstr::Length() const { | 62 size_t ScopedBstr::Length() const { | 
| 63   return SysStringLen(bstr_); | 63   return SysStringLen(bstr_); | 
| 64 } | 64 } | 
| 65 | 65 | 
| 66 size_t ScopedBstr::ByteLength() const { | 66 size_t ScopedBstr::ByteLength() const { | 
| 67   return SysStringByteLen(bstr_); | 67   return SysStringByteLen(bstr_); | 
| 68 } | 68 } | 
| 69 | 69 | 
| 70 }  // namespace win | 70 }  // namespace win | 
| 71 }  // namespace base | 71 }  // namespace base | 
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