crashpad/util/stdlib/strlcpy.cc
Scott Graham 4b8b42be6c win: Implement c16lcpy without base:c16*
Chromium base doesn't have base::c16len, c16memcpy, etc. when
WCHAR_T_IS_UTF16, so implement c16lcpy without using those.

R=mark@chromium.org
BUG=crashpad:1, chromium:546288

Review URL: https://codereview.chromium.org/1417403004 .
2015-10-23 13:38:46 -07:00

54 lines
1.6 KiB
C++

// Copyright 2014 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "util/stdlib/strlcpy.h"
#include "base/logging.h"
#include "build/build_config.h"
#if defined(OS_WIN) && defined(WCHAR_T_IS_UTF16)
#include <strsafe.h>
#endif
namespace crashpad {
#if defined(OS_WIN) && defined(WCHAR_T_IS_UTF16)
size_t c16lcpy(base::char16* destination,
const base::char16* source,
size_t length) {
HRESULT result = StringCchCopyW(destination, length, source);
CHECK(result == S_OK || result == STRSAFE_E_INSUFFICIENT_BUFFER);
return wcslen(source);
}
#elif defined(WCHAR_T_IS_UTF32)
size_t c16lcpy(base::char16* destination,
const base::char16* source,
size_t length) {
size_t source_length = base::c16len(source);
if (source_length < length) {
base::c16memcpy(destination, source, source_length + 1);
} else if (length != 0) {
base::c16memcpy(destination, source, length - 1);
destination[length - 1] = '\0';
}
return source_length;
}
#endif // WCHAR_T_IS_UTF32
} // namespace crashpad