program_name.h - mozsearch

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//

//  Copyright 2019 The Abseil 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

//

//      https://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.

#ifndef ABSL_FLAGS_INTERNAL_PROGRAM_NAME_H_

#define ABSL_FLAGS_INTERNAL_PROGRAM_NAME_H_

#include <string>

#include "absl/base/config.h"

#include "absl/strings/string_view.h"

// --------------------------------------------------------------------

// Program name

namespace absl {

ABSL_NAMESPACE_BEGIN

namespace flags_internal {

// Returns program invocation name or "UNKNOWN" if `SetProgramInvocationName()`

// is never called. At the moment this is always set to argv[0] as part of

// library initialization.

std::string ProgramInvocationName();

// Returns base name for program invocation name. For example, if

//   ProgramInvocationName() == "a/b/mybinary"

// then

//   ShortProgramInvocationName() == "mybinary"

std::string ShortProgramInvocationName();

// Sets program invocation name to a new value. Should only be called once

// during program initialization, before any threads are spawned.

void SetProgramInvocationName(absl::string_view prog_name_str);

}  // namespace flags_internal

ABSL_NAMESPACE_END

}  // namespace absl

#endif  // ABSL_FLAGS_INTERNAL_PROGRAM_NAME_H_