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https://github.com/nestriness/cdc-file-transfer.git
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23fcd5ef1d
Improve cdc_fuse_fs and path Improves the error handling in path so that std:error_codes are not assumed to be of system category, and also that their messages are displayed. Also improves debug messages in GameletComponent.
56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
/*
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* Copyright 2022 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef COMMON_ERRNO_MAPPING_H_
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#define COMMON_ERRNO_MAPPING_H_
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#include <string>
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#include "absl/status/status.h"
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#include "absl/strings/str_format.h"
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namespace cdc_ft {
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// Converts the errno |error_number| to an absl code.
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absl::StatusCode ErrnoToCanonicalCode(int error_number);
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// Creates a status by converting the errno |error_number| to an absl code.
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template <typename... Args>
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absl::Status ErrnoToCanonicalStatus(int error_number,
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const absl::FormatSpec<Args...>& format,
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Args... args) {
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if (error_number == 0) return absl::OkStatus();
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std::string msg = absl::StrFormat(format, args...);
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return absl::Status(ErrnoToCanonicalCode(error_number),
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absl::StrCat(msg, ": ", strerror(error_number)));
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}
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template <typename... Args>
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absl::Status ErrorCodeToCanonicalStatus(const std::error_code& code,
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const absl::FormatSpec<Args...>& format,
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Args... args) {
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if (!code) return absl::OkStatus();
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std::string msg = absl::StrFormat(format, args...);
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absl::StatusCode absl_code = code.category() == std::system_category()
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? ErrnoToCanonicalCode(code.value())
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: absl::StatusCode::kUnknown;
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return absl::Status(absl_code, absl::StrCat(msg, ": ", code.message()));
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}
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} // namespace cdc_ft
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#endif // COMMON_ERRNO_MAPPING_H_
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