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construct/include/ircd/fs/error.h

74 lines
2 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_FS_ERROR_H
namespace ircd::fs
{
struct error; // does not participate in ircd::exception hierarchy
extern const std::error_code eof;
}
namespace ircd
{
string_view string(const mutable_buffer &, const std::filesystem::filesystem_error &);
std::string string(const std::filesystem::filesystem_error &);
}
struct ircd::fs::error
:std::filesystem::filesystem_error
{
static constexpr size_t max_len {4096};
template<class... args>
[[clang::internal_linkage]]
error(const std::filesystem::filesystem_error &e,
const string_view &fmt,
args&&...);
template<class... args>
[[clang::internal_linkage]]
error(const std::error_code &e,
const string_view &fmt,
args&&...);
error(const std::error_code &e, const string_view &fmt);
error(const std::filesystem::filesystem_error &e, const string_view &fmt);
error(const std::filesystem::filesystem_error &e);
~error() noexcept;
};
template<class... args>
[[gnu::noinline, gnu::visibility("internal")]]
ircd::fs::error::error(const std::filesystem::filesystem_error &e,
const string_view &fmt,
args&&... a)
:std::filesystem::filesystem_error
{
fmt::snstringf{max_len, fmt, std::forward<args>(a)...},
e.path1(),
e.path2(),
e.code(),
}
{}
template<class... args>
[[gnu::noinline, gnu::visibility("internal")]]
ircd::fs::error::error(const std::error_code &e,
const string_view &fmt,
args&&... a)
:std::filesystem::filesystem_error
{
fmt::snstringf{max_len, fmt, std::forward<args>(a)...},
e,
}
{}