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