// Copyright 2020 The Crashpad Authors. All rights reserved.
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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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#ifndef CRASHPAD_UTIL_MAC_SYSCTL_H_
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#define CRASHPAD_UTIL_MAC_SYSCTL_H_
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#include <string>
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namespace crashpad {
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//! \brief Calls `sysctlbyname` to read a string.
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//!
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//! \param[in] name The string name of the sysctl to raed.
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//! \param[in] may_log_enoent If `true`, allows a warning to be logged if the
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//! sysctl is not found, indicated by `sysctlbyname` setting `errno` to
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//! `ENOENT`. If `false`, no warning will be logged if the sysctl is
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//! missing, and an empty string will be returned silently.
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//!
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//! \return The value of the sysctl read on success. On failure, an empty string
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//! with a warning logged, subject to \a may_log_enoent.
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std::string ReadStringSysctlByName(const char* name, bool may_log_enoent);
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_MAC_SYSCTL_H_
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