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//
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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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