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/*
* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/desktop_capture/win/desktop_capture_utils.h"
#include "rtc_base/strings/string_builder.h"
namespace webrtc {
namespace desktop_capture {
namespace utils {
// Generates a human-readable string from a COM error.
std::string ComErrorToString(const _com_error& error) {
char buffer[1024];
rtc::SimpleStringBuilder string_builder(buffer);
// Use _bstr_t to simplify the wchar to char conversion for ErrorMessage().
_bstr_t error_message(error.ErrorMessage());
string_builder.AppendFormat("HRESULT: 0x%08X, Message: %s", error.Error(),
static_cast<const char*>(error_message));
return string_builder.str();
}
} // namespace utils
} // namespace desktop_capture
} // namespace webrtc