Abseil Common Libraries (C++) (grcp 依赖)
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50 lines
1.7 KiB
50 lines
1.7 KiB
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// Copyright 2019 The Abseil Authors. |
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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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// https://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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#ifndef ABSL_FLAGS_INTERNAL_PROGRAM_NAME_H_ |
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#define ABSL_FLAGS_INTERNAL_PROGRAM_NAME_H_ |
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#include <string> |
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#include "absl/base/config.h" |
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#include "absl/strings/string_view.h" |
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// -------------------------------------------------------------------- |
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// Program name |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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namespace flags_internal { |
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// Returns program invocation name or "UNKNOWN" if `SetProgramInvocationName()` |
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// is never called. At the moment this is always set to argv[0] as part of |
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// library initialization. |
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std::string ProgramInvocationName(); |
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// Returns base name for program invocation name. For example, if |
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// ProgramInvocationName() == "a/b/mybinary" |
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// then |
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// ShortProgramInvocationName() == "mybinary" |
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std::string ShortProgramInvocationName(); |
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// Sets program invocation name to a new value. Should only be called once |
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// during program initialization, before any threads are spawned. |
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void SetProgramInvocationName(absl::string_view prog_name_str); |
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} // namespace flags_internal |
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ABSL_NAMESPACE_END |
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} // namespace absl |
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#endif // ABSL_FLAGS_INTERNAL_PROGRAM_NAME_H_
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