1//===----------------------------------------------------------------------===//
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#include <__config>
10#include <__memory/shared_ptr.h>
11#include <__utility/unreachable.h>
12#include <filesystem>
13#include <system_error>
14
15#include "format_string.h"
16
17_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
18
19filesystem_error::~filesystem_error() {}
20
21void filesystem_error::__create_what(int __num_paths) {
22 const char* derived_what = system_error::what();
23 __storage_->__what_ = [&]() -> string {
24 switch (__num_paths) {
25 case 0:
26 return detail::format_string(msg: "filesystem error: %s", derived_what);
27 case 1:
28 return detail::format_string(msg: "filesystem error: %s [" PATH_CSTR_FMT "]", derived_what, path1().c_str());
29 case 2:
30 return detail::format_string(
31 msg: "filesystem error: %s [" PATH_CSTR_FMT "] [" PATH_CSTR_FMT "]",
32 derived_what,
33 path1().c_str(),
34 path2().c_str());
35 }
36 __libcpp_unreachable();
37 }();
38}
39
40_LIBCPP_END_NAMESPACE_FILESYSTEM
41