28 lines · c
1//===-- Definition of a class for mapping errors to strings -----*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIBC_SRC___SUPPORT_STRINGUTIL_ERROR_TO_STRING_H10#define LLVM_LIBC_SRC___SUPPORT_STRINGUTIL_ERROR_TO_STRING_H11 12#include "src/__support/CPP/optional.h"13#include "src/__support/CPP/span.h"14#include "src/__support/CPP/string_view.h"15#include "src/__support/macros/config.h"16 17namespace LIBC_NAMESPACE_DECL {18 19cpp::string_view get_error_string(int err_num);20 21cpp::string_view get_error_string(int err_num, cpp::span<char> buffer);22 23cpp::optional<cpp::string_view> try_get_errno_name(int err_num);24 25} // namespace LIBC_NAMESPACE_DECL26 27#endif // LLVM_LIBC_SRC___SUPPORT_STRINGUTIL_ERROR_TO_STRING_H28