1*06c3fb27SDimitry Andric //===----------------------------------------------------------------------===// 2*06c3fb27SDimitry Andric // 3*06c3fb27SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*06c3fb27SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*06c3fb27SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*06c3fb27SDimitry Andric // 7*06c3fb27SDimitry Andric //===----------------------------------------------------------------------===// 8*06c3fb27SDimitry Andric 9*06c3fb27SDimitry Andric #include <__config> 10*06c3fb27SDimitry Andric #include <__utility/unreachable.h> 11*06c3fb27SDimitry Andric #include <filesystem> 12*06c3fb27SDimitry Andric #include <system_error> 13*06c3fb27SDimitry Andric 14*06c3fb27SDimitry Andric #include "format_string.h" 15*06c3fb27SDimitry Andric 16*06c3fb27SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM 17*06c3fb27SDimitry Andric 18*06c3fb27SDimitry Andric filesystem_error::~filesystem_error() {} 19*06c3fb27SDimitry Andric 20*06c3fb27SDimitry Andric void filesystem_error::__create_what(int __num_paths) { 21*06c3fb27SDimitry Andric const char* derived_what = system_error::what(); 22*06c3fb27SDimitry Andric __storage_->__what_ = [&]() -> string { 23*06c3fb27SDimitry Andric switch (__num_paths) { 24*06c3fb27SDimitry Andric case 0: 25*06c3fb27SDimitry Andric return detail::format_string("filesystem error: %s", derived_what); 26*06c3fb27SDimitry Andric case 1: 27*06c3fb27SDimitry Andric return detail::format_string("filesystem error: %s [" PATH_CSTR_FMT "]", 28*06c3fb27SDimitry Andric derived_what, path1().c_str()); 29*06c3fb27SDimitry Andric case 2: 30*06c3fb27SDimitry Andric return detail::format_string("filesystem error: %s [" PATH_CSTR_FMT "] [" PATH_CSTR_FMT "]", 31*06c3fb27SDimitry Andric derived_what, path1().c_str(), path2().c_str()); 32*06c3fb27SDimitry Andric } 33*06c3fb27SDimitry Andric __libcpp_unreachable(); 34*06c3fb27SDimitry Andric }(); 35*06c3fb27SDimitry Andric } 36*06c3fb27SDimitry Andric 37*06c3fb27SDimitry Andric _LIBCPP_END_NAMESPACE_FILESYSTEM 38