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// Copyright 2022 gRPC authors.
//
// 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 <grpc/support/port_platform.h>
#include "src/core/lib/gprpp/tchar.h"
#ifdef GPR_WINDOWS
namespace grpc_core {
#if defined UNICODE || defined _UNICODE
TcharString CharToTchar(TString input) {
int needed = MultiByteToWideChar(CP_UTF8, 0, input.c_str(), -1, NULL, 0);
if (needed <= 0) return TcharString();
TcharString ret(needed, L'\0');
MultiByteToWideChar(CP_UTF8, 0, input.c_str(), -1,
const_cast<LPTSTR>(ret.data()), needed);
return ret;
}
TString TcharToChar(TcharString input) {
int needed =
WideCharToMultiByte(CP_UTF8, 0, input.c_str(), -1, NULL, 0, NULL, NULL);
if (needed <= 0) return TString();
TString ret(needed, '\0');
WideCharToMultiByte(CP_UTF8, 0, input.c_str(), -1,
const_cast<LPSTR>(ret.data()), needed, NULL, NULL);
return ret;
}
#else
TcharString CharToTchar(TString input) { return input; }
TString TcharToChar(TcharString input) { return input; }
#endif
} // namespace grpc_core
#endif
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