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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_SRC___SUPPORT_STRINGUTIL_ERROR_TO_STRING_H 10 #define LLVM_LIBC_SRC___SUPPORT_STRINGUTIL_ERROR_TO_STRING_H 11 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 17 namespace LIBC_NAMESPACE_DECL { 18 19 cpp::string_view get_error_string(int err_num); 20 21 cpp::string_view get_error_string(int err_num, cpp::span<char> buffer); 22 23 cpp::optional<cpp::string_view> try_get_errno_name(int err_num); 24 25 } // namespace LIBC_NAMESPACE_DECL 26 27 #endif // LLVM_LIBC_SRC___SUPPORT_STRINGUTIL_ERROR_TO_STRING_H 28