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authortommi@chromium.org <tommi@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-01-15 17:16:48 +0000
committertommi@chromium.org <tommi@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-01-15 17:16:48 +0000
commitf5f36152e843a215629f3991da644f8da37e02ff (patch)
treec9dafdaaef442446e6d2d74f3a4e68fd104b6f47 /base/scoped_bstr_win.cc
parent4e486eb3962f64f3f9d4b9ae71d030edd4c01a5b (diff)
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Renaming the following files to include the _win suffix:
scoped_comptr*.* scoped_bstr*.* addition: time_unittest_win.cc -> time_win_unittest.cc BUG=6409 Also renaming the scoped_comptr class to ScopedComPtr to conform with chromium style (and not boost as before). Review URL: http://codereview.chromium.org/18054 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8098 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/scoped_bstr_win.cc')
-rw-r--r--base/scoped_bstr_win.cc66
1 files changed, 66 insertions, 0 deletions
diff --git a/base/scoped_bstr_win.cc b/base/scoped_bstr_win.cc
new file mode 100644
index 0000000..0e4efca
--- /dev/null
+++ b/base/scoped_bstr_win.cc
@@ -0,0 +1,66 @@
+// Copyright (c) 2006-2008 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.
+
+#include "base/scoped_bstr_win.h"
+
+#include "base/logging.h"
+
+
+ScopedBstr::ScopedBstr(const wchar_t* non_bstr)
+ : bstr_(SysAllocString(non_bstr)) {
+}
+
+ScopedBstr::~ScopedBstr() {
+ COMPILE_ASSERT(sizeof(ScopedBstr) == sizeof(BSTR), ScopedBstrSize);
+ SysFreeString(bstr_);
+}
+
+void ScopedBstr::Reset(BSTR bstr) {
+ if (bstr != bstr_) {
+ // if |bstr_| is NULL, SysFreeString does nothing.
+ SysFreeString(bstr_);
+ bstr_ = bstr;
+ }
+}
+
+BSTR ScopedBstr::Release() {
+ BSTR bstr = bstr_;
+ bstr_ = NULL;
+ return bstr;
+}
+
+void ScopedBstr::Swap(ScopedBstr& bstr2) {
+ BSTR tmp = bstr_;
+ bstr_ = bstr2.bstr_;
+ bstr2.bstr_ = tmp;
+}
+
+BSTR* ScopedBstr::Receive() {
+ DCHECK(bstr_ == NULL) << "BSTR leak.";
+ return &bstr_;
+}
+
+BSTR ScopedBstr::Allocate(const wchar_t* wide_str) {
+ Reset(SysAllocString(wide_str));
+ return bstr_;
+}
+
+BSTR ScopedBstr::AllocateBytes(int bytes) {
+ Reset(SysAllocStringByteLen(NULL, bytes));
+ return bstr_;
+}
+
+void ScopedBstr::SetByteLen(uint32 bytes) {
+ DCHECK(bstr_ != NULL) << "attempting to modify a NULL bstr";
+ uint32* data = reinterpret_cast<uint32*>(bstr_);
+ data[-1] = bytes;
+}
+
+uint32 ScopedBstr::Length() const {
+ return SysStringLen(bstr_);
+}
+
+uint32 ScopedBstr::ByteLength() const {
+ return SysStringByteLen(bstr_);
+}