xref: /aosp_15_r20/external/cronet/base/win/hstring_reference.cc (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2019 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker 
5*6777b538SAndroid Build Coastguard Worker #include "base/win/hstring_reference.h"
6*6777b538SAndroid Build Coastguard Worker 
7*6777b538SAndroid Build Coastguard Worker #include <windows.h>
8*6777b538SAndroid Build Coastguard Worker 
9*6777b538SAndroid Build Coastguard Worker #include <wchar.h>
10*6777b538SAndroid Build Coastguard Worker #include <winstring.h>
11*6777b538SAndroid Build Coastguard Worker 
12*6777b538SAndroid Build Coastguard Worker #include "base/check_op.h"
13*6777b538SAndroid Build Coastguard Worker #include "base/numerics/safe_conversions.h"
14*6777b538SAndroid Build Coastguard Worker 
15*6777b538SAndroid Build Coastguard Worker namespace base::win {
16*6777b538SAndroid Build Coastguard Worker 
HStringReference(const wchar_t * str)17*6777b538SAndroid Build Coastguard Worker HStringReference::HStringReference(const wchar_t* str) {
18*6777b538SAndroid Build Coastguard Worker   // String must be null terminated for WindowsCreateStringReference.
19*6777b538SAndroid Build Coastguard Worker   // nullptr str is OK so long as the length is 0.
20*6777b538SAndroid Build Coastguard Worker   size_t length = str ? wcslen(str) : 0;
21*6777b538SAndroid Build Coastguard Worker   const HRESULT hr = ::WindowsCreateStringReference(
22*6777b538SAndroid Build Coastguard Worker       str, checked_cast<UINT32>(length), &hstring_header_, &hstring_);
23*6777b538SAndroid Build Coastguard Worker   DCHECK_EQ(hr, S_OK);
24*6777b538SAndroid Build Coastguard Worker }
25*6777b538SAndroid Build Coastguard Worker 
26*6777b538SAndroid Build Coastguard Worker }  // namespace base::win
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