40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
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// Copyright 2020 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_BASE_INTERNAL_STRERROR_H_
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#define ABSL_BASE_INTERNAL_STRERROR_H_
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#include <string>
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#include "absl/base/config.h"
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namespace absl {
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ABSL_NAMESPACE_BEGIN
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namespace base_internal {
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// A portable and thread-safe alternative to C89's `strerror`.
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//
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// The C89 specification of `strerror` is not suitable for use in a
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// multi-threaded application as the returned string may be changed by calls to
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// `strerror` from another thread. The many non-stdlib alternatives differ
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// enough in their names, availability, and semantics to justify this wrapper
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// around them. `errno` will not be modified by a call to `absl::StrError`.
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std::string StrError(int errnum);
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} // namespace base_internal
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ABSL_NAMESPACE_END
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} // namespace absl
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#endif // ABSL_BASE_INTERNAL_STRERROR_H_
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