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96 lines
2.4 KiB
C++

// SPDX-License-Identifier: BSD-2-Clause
// author: Max Kellermann <max.kellermann@gmail.com>
#pragma once
#include "system/Error.hxx" // IWYU pragma: export
#include <fmt/core.h>
#include <type_traits>
[[nodiscard]] [[gnu::pure]]
std::system_error
VFmtSystemError(std::error_code code,
fmt::string_view format_str, fmt::format_args args) noexcept;
template<typename S, typename... Args>
[[nodiscard]] [[gnu::pure]]
std::system_error
FmtSystemError(std::error_code code,
const S &format_str, Args&&... args) noexcept
{
return VFmtSystemError(code, format_str,
fmt::make_format_args(args...));
}
#ifdef _WIN32
[[nodiscard]] [[gnu::pure]]
std::system_error
VFmtLastError(DWORD code,
fmt::string_view format_str, fmt::format_args args) noexcept;
template<typename S, typename... Args>
[[nodiscard]] [[gnu::pure]]
std::system_error
FmtLastError(DWORD code,
const S &format_str, Args&&... args) noexcept
{
return VFmtLastError(code, format_str,
fmt::make_format_args(args...));
}
template<typename S, typename... Args>
[[nodiscard]] [[gnu::pure]]
std::system_error
FmtLastError(const S &format_str, Args&&... args) noexcept
{
return FmtLastError(GetLastError(),
format_str, std::forward<Args>(args)...);
}
#endif // _WIN32
[[nodiscard]] [[gnu::pure]]
inline std::system_error
VFmtErrno(int code,
fmt::string_view format_str, fmt::format_args args) noexcept
{
return VFmtSystemError(std::error_code(code, ErrnoCategory()),
format_str, args);
}
template<typename S, typename... Args>
requires(std::is_convertible_v<S, fmt::string_view>)
[[nodiscard]] [[gnu::pure]]
std::system_error
FmtErrno(int code, const S &format_str, Args&&... args) noexcept
{
return FmtSystemError(std::error_code(code, ErrnoCategory()),
format_str, std::forward<Args>(args)...);
}
template<typename S, typename... Args>
requires(std::is_convertible_v<S, fmt::string_view>)
[[nodiscard]] [[gnu::pure]]
std::system_error
FmtErrno(const S &format_str, Args&&... args) noexcept
{
return FmtErrno(errno, format_str, std::forward<Args>(args)...);
}
template<typename S, typename... Args>
requires(std::is_convertible_v<S, fmt::string_view>)
[[nodiscard]] [[gnu::pure]]
std::system_error
FmtFileNotFound(const S &format_str, Args&&... args) noexcept
{
#ifdef _WIN32
return FmtLastError(DWORD{ERROR_FILE_NOT_FOUND},
format_str, std::forward<Args>(args)...);
#else
return FmtErrno(ENOENT, format_str, std::forward<Args>(args)...);
#endif
}