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STL/stl/inc/xfilesystem_abi.h

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// xfilesystem_abi.h internal header (core)
// Copyright (c) Microsoft Corporation.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#pragma once
#ifndef _XFILESYSTEM_ABI_H
#define _XFILESYSTEM_ABI_H
#include <yvals_core.h>
#if _STL_COMPILER_PREPROCESSOR
#include <cstdint>
#include <type_traits>
#pragma pack(push, _CRT_PACKING)
#pragma warning(push, _STL_WARNING_LEVEL)
#pragma warning(disable : _STL_DISABLED_WARNINGS)
_STL_DISABLE_CLANG_WARNINGS
#pragma push_macro("new")
#undef new
inline constexpr size_t __std_fs_max_path = 260; // #define MAX_PATH 260
inline constexpr size_t __std_fs_temp_path_max = __std_fs_max_path + 1;
enum class __std_win_error : unsigned long {
_Success = 0, // #define ERROR_SUCCESS 0L
_Invalid_function = 1, // #define ERROR_INVALID_FUNCTION 1L
_File_not_found = 2, // #define ERROR_FILE_NOT_FOUND 2L
_Path_not_found = 3, // #define ERROR_PATH_NOT_FOUND 3L
_Access_denied = 5, // #define ERROR_ACCESS_DENIED 5L
_Not_enough_memory = 8, // #define ERROR_NOT_ENOUGH_MEMORY 8L
_No_more_files = 18, // #define ERROR_NO_MORE_FILES 18L
_Sharing_violation = 32, // #define ERROR_SHARING_VIOLATION 32L
_Not_supported = 50, // #define ERROR_NOT_SUPPORTED 50L
_Error_bad_netpath = 53, // #define ERROR_BAD_NETPATH 53L
_File_exists = 80, // #define ERROR_FILE_EXISTS 80L
_Invalid_parameter = 87, // #define ERROR_INVALID_PARAMETER 87L
_Insufficient_buffer = 122, // #define ERROR_INSUFFICIENT_BUFFER 122L
_Invalid_name = 123, // #define ERROR_INVALID_NAME 123L
_Directory_not_empty = 145, // #define ERROR_DIR_NOT_EMPTY 145L
_Already_exists = 183, // #define ERROR_ALREADY_EXISTS 183L
_Filename_exceeds_range = 206, // #define ERROR_FILENAME_EXCED_RANGE 206L
_Directory_name_is_invalid = 267, // #define ERROR_DIRECTORY 267L
_Max = ~0UL // sentinel not used by Win32
};
#pragma warning(push)
#pragma warning(disable : 4061) // enumerator not explicitly handled by switch label
_NODISCARD inline bool __std_is_file_not_found(const __std_win_error _Error) noexcept {
switch (_Error) {
case __std_win_error::_File_not_found:
case __std_win_error::_Path_not_found:
case __std_win_error::_Error_bad_netpath:
case __std_win_error::_Invalid_name:
return true;
default:
return false;
}
}
#pragma warning(pop)
enum class __std_fs_dir_handle : intptr_t { _Invalid = -1 };
enum class __std_fs_file_attr : unsigned long {
_Readonly = 0x00000001, // #define FILE_ATTRIBUTE_READONLY 0x00000001
_Hidden = 0x00000002, // #define FILE_ATTRIBUTE_HIDDEN 0x00000002
_System = 0x00000004, // #define FILE_ATTRIBUTE_SYSTEM 0x00000004
_Directory = 0x00000010, // #define FILE_ATTRIBUTE_DIRECTORY 0x00000010
_Archive = 0x00000020, // #define FILE_ATTRIBUTE_ARCHIVE 0x00000020
_Device = 0x00000040, // #define FILE_ATTRIBUTE_DEVICE 0x00000040
_Normal = 0x00000080, // #define FILE_ATTRIBUTE_NORMAL 0x00000080
_Temporary = 0x00000100, // #define FILE_ATTRIBUTE_TEMPORARY 0x00000100
_Sparse_file = 0x00000200, // #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200
_Reparse_point = 0x00000400, // #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
_Invalid = 0xFFFFFFFF, // #define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
};
_BITMASK_OPS(__std_fs_file_attr)
enum class __std_fs_reparse_tag : unsigned long {
_None = 0,
_Mount_point = (0xA0000003L), // #define IO_REPARSE_TAG_MOUNT_POINT (0xA0000003L)
_Symlink = (0xA000000CL), // #define IO_REPARSE_TAG_SYMLINK (0xA000000CL)
};
struct __std_fs_filetime { // typedef struct _FILETIME {
unsigned long _Low; // DWORD dwLowDateTime;
unsigned long _High; // DWORD dwHighDateTime;
}; // } FILETIME, *PFILETIME, *LPFILETIME;
struct __std_fs_find_data { // typedef struct _WIN32_FIND_DATAW {
__std_fs_file_attr _Attributes; // DWORD dwFileAttributes;
__std_fs_filetime _Creation_time; // FILETIME ftCreationTime;
__std_fs_filetime _Last_access_time; // FILETIME ftLastAccessTime;
__std_fs_filetime _Last_write_time; // FILETIME ftLastWriteTime;
unsigned long _File_size_high; // DWORD nFileSizeHigh;
unsigned long _File_size_low; // DWORD nFileSizeLow;
// MSDN: dwReserved0 specifies the reparse point tag if
// MSDN: (dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) != 0
__std_fs_reparse_tag _Reparse_point_tag; // DWORD dwReserved0;
unsigned long _Reserved1; // DWORD dwReserved1;
wchar_t _File_name[__std_fs_max_path]; // _Field_z_ WCHAR cFileName[ MAX_PATH ];
wchar_t _Short_file_name[14]; // _Field_z_ WCHAR cAlternateFileName[ 14 ];
}; // } WIN32_FIND_DATAW, ... ;
enum class __std_fs_stats_flags : unsigned long {
_None = 0,
_Follow_symlinks = 0x01, // resolve symlink
_Attributes = 0x02, // read/has attributes
_Reparse_tag = 0x04, // read/has reparse_tag; may not be combined with _Follow_symlinks
_File_size = 0x08, // read/has file size
_Link_count = 0x10, // read/has link count
_Last_write_time = 0x20, // read/has last write time
_All_data = _Attributes | _Reparse_tag | _File_size | _Link_count | _Last_write_time
};
_BITMASK_OPS(__std_fs_stats_flags)
struct __std_fs_stats {
long long _Last_write_time;
unsigned long long _File_size;
__std_fs_file_attr _Attributes;
__std_fs_reparse_tag _Reparse_point_tag;
unsigned long _Link_count;
__std_fs_stats_flags _Available; // which fields are available
_NODISCARD __std_fs_file_attr _Symlink_hint_attributes() const noexcept {
if (_Bitmask_includes(_Available, __std_fs_stats_flags::_Attributes)) {
return _Attributes;
}
return __std_fs_file_attr::_Invalid;
}
};
struct __std_fs_reparse_data_buffer { // typedef struct _REPARSE_DATA_BUFFER
unsigned long _Reparse_tag;
unsigned short _Reparse_data_length;
unsigned short _Reserved;
union {
struct {
unsigned short _Substitute_name_offset;
unsigned short _Substitute_name_length;
unsigned short _Print_name_offset;
unsigned short _Print_name_length;
unsigned long _Flags;
wchar_t _Path_buffer[1];
} _Symbolic_link_reparse_buffer;
struct {
unsigned short _Substitute_name_offset;
unsigned short _Substitute_name_length;
unsigned short _Print_name_offset;
unsigned short _Print_name_length;
wchar_t _Path_buffer[1];
} _Mount_point_reparse_buffer;
struct {
unsigned char _Data_buffer[1];
} _Generic_reparse_buffer;
};
};
struct __std_ulong_and_error {
unsigned long _Size;
__std_win_error _Error;
};
enum class __std_fs_volume_name_kind : unsigned long {
_Dos = 0, // #define VOLUME_NAME_DOS 0x0
_Guid = 1, // #define VOLUME_NAME_GUID 0x1
_Nt = 2, // #define VOLUME_NAME_NT 0x2
_None = 4 // #define VOLUME_NAME_NONE 0x4
};
enum class __std_access_rights : unsigned long {
_Delete = 0x00010000, // #define DELETE (0x00010000L)
_File_read_attributes = 0x0080, // #define FILE_READ_ATTRIBUTES ( 0x0080 )
_File_write_attributes = 0x0100, // #define FILE_WRITE_ATTRIBUTES ( 0x0100 )
// #define READ_CONTROL (0x00020000L)
// #define STANDARD_RIGHTS_WRITE (READ_CONTROL)
// #define FILE_WRITE_DATA (0x0002)
// #define FILE_WRITE_ATTRIBUTES (0x0100)
// #define FILE_WRITE_EA (0x0010)
// #define FILE_APPEND_DATA (0x0004)
// #define SYNCHRONIZE (0x00100000L)
// #define FILE_GENERIC_WRITE (STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES
// | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE)
_File_generic_write = 0x00120116,
};
_BITMASK_OPS(__std_access_rights)
enum class __std_fs_file_flags : unsigned long {
_None = 0,
_Backup_semantics = 0x02000000, // #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000
_Open_reparse_point = 0x00200000, // #define FILE_FLAG_OPEN_REPARSE_POINT 0x00200000
};
_BITMASK_OPS(__std_fs_file_flags)
enum class __std_fs_file_handle : intptr_t { _Invalid = -1 };
enum class __std_code_page : unsigned int { _Acp = 0, _Utf8 = 65001 };
struct __std_fs_convert_result {
int _Len;
__std_win_error _Err;
};
struct __std_fs_file_id { // typedef struct _FILE_ID_INFO {
unsigned long long _Volume_serial_number; // ULONGLONG VolumeSerialNumber;
unsigned char _Id[16]; // FILE_ID_128 FileId;
}; // } FILE_ID_INFO, ...;
enum class __std_fs_copy_options {
_None = 0x0,
_Existing_mask = 0xF,
_Skip_existing = 0x1,
_Overwrite_existing = 0x2,
_Update_existing = 0x4,
};
_BITMASK_OPS(__std_fs_copy_options)
_EXTERN_C
_NODISCARD __std_ulong_and_error __stdcall __std_fs_get_full_path_name(_In_z_ const wchar_t* _Source,
_In_ unsigned long _Target_size, _Out_writes_z_(_Target_size) wchar_t* _Target) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_open_handle(_Out_ __std_fs_file_handle* _Handle,
_In_z_ const wchar_t* _File_name, _In_ __std_access_rights _Desired_access,
_In_ __std_fs_file_flags _Flags) noexcept;
void __stdcall __std_fs_close_handle(__std_fs_file_handle _Handle) noexcept;
_NODISCARD _Success_(return == __std_win_error::_Success) __std_win_error
__stdcall __std_fs_get_file_attributes_by_handle(
_In_ __std_fs_file_handle _Handle, _Out_ unsigned long* _File_attributes) noexcept;
_NODISCARD __std_ulong_and_error __stdcall __std_fs_get_final_path_name_by_handle(_In_ __std_fs_file_handle _Handle,
_Out_writes_z_(_Target_size) wchar_t* _Target, _In_ unsigned long _Target_size,
_In_ __std_fs_volume_name_kind _Flags) noexcept;
struct __std_fs_copy_file_result {
bool _Copied;
__std_win_error _Error;
};
_NODISCARD __std_fs_copy_file_result __stdcall __std_fs_copy_file(
_In_z_ const wchar_t* _Source, _In_z_ const wchar_t* _Target, _In_ __std_fs_copy_options _Options) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_directory_iterator_open(_In_z_ const wchar_t* _Path_spec,
_Inout_ __std_fs_dir_handle* _Handle, _Out_ __std_fs_find_data* _Results) noexcept;
void __stdcall __std_fs_directory_iterator_close(_In_ __std_fs_dir_handle _Handle) noexcept;
_NODISCARD _Success_(return == __std_win_error::_Success) __std_win_error
__stdcall __std_fs_get_stats(_In_z_ const wchar_t* _Path, __std_fs_stats* _Stats, _In_ __std_fs_stats_flags _Flags,
_In_ __std_fs_file_attr _Symlink_attribute_hint = __std_fs_file_attr::_Invalid) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_directory_iterator_advance(
_In_ __std_fs_dir_handle _Handle, _Out_ __std_fs_find_data* _Results) noexcept;
_NODISCARD __std_code_page __stdcall __std_fs_code_page() noexcept;
_NODISCARD __std_fs_convert_result __stdcall __std_fs_convert_narrow_to_wide(_In_ __std_code_page _Code_page,
_In_reads_(_Input_len) const char* _Input_str, _In_ int _Input_len,
_Out_writes_opt_(_Output_len) wchar_t* _Output_str, _In_ int _Output_len) noexcept;
_NODISCARD __std_fs_convert_result __stdcall __std_fs_convert_wide_to_narrow(_In_ __std_code_page _Code_page,
_In_reads_(_Input_len) const wchar_t* _Input_str, _In_ int _Input_len,
_Out_writes_opt_(_Output_len) char* _Output_str, _In_ int _Output_len) noexcept;
_NODISCARD __std_fs_convert_result __stdcall __std_fs_convert_wide_to_narrow_replace_chars(
_In_ __std_code_page _Code_page, _In_reads_(_Input_len) const wchar_t* _Input_str, _In_ int _Input_len,
_Out_writes_opt_(_Output_len) char* _Output_str, _In_ int _Output_len) noexcept;
_NODISCARD _Success_(return == __std_win_error::_Success) __std_win_error
__stdcall __std_fs_get_file_id(_Out_ __std_fs_file_id* _Id, _In_z_ const wchar_t* _Path) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_set_last_write_time(
_In_ long long _Last_write_filetime, _In_z_ const wchar_t* _Path) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_change_permissions(
_In_z_ const wchar_t* _Path, _In_ bool _Follow_symlinks, _In_ bool _Readonly) noexcept;
_NODISCARD _Success_(return._Error == __std_win_error::_Success) __std_ulong_and_error
__stdcall __std_fs_get_temp_path(_Out_writes_z_(__std_fs_temp_path_max) wchar_t* _Target) noexcept;
_NODISCARD _Success_(return._Error == __std_win_error::_Success) __std_ulong_and_error
__stdcall __std_fs_get_current_path(
_In_ unsigned long _Target_size, _Out_writes_z_(_Target_size) wchar_t* _Target) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_set_current_path(_In_z_ const wchar_t* _Target) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_create_directory_symbolic_link(
_In_z_ const wchar_t* _Symlink_file_name, _In_z_ const wchar_t* _Target_file_name) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_create_hard_link(
_In_z_ const wchar_t* _File_name, _In_z_ const wchar_t* _Existing_file_name) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_create_symbolic_link(
_In_z_ const wchar_t* _Symlink_file_name, _In_z_ const wchar_t* _Target_file_name) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_read_reparse_data_buffer(_In_ __std_fs_file_handle _Handle,
_Out_writes_bytes_(_Buffer_size) void* _Buffer, _In_ unsigned long _Buffer_size) noexcept;
_NODISCARD _Success_(return == __std_win_error::_Success) __std_win_error
__stdcall __std_fs_read_name_from_reparse_data_buffer(
_In_ __std_fs_reparse_data_buffer* _Handle, _Out_ wchar_t** _Offset, _Out_ unsigned short* _Length) noexcept;
struct __std_fs_create_directory_result {
bool _Created;
__std_win_error _Error;
};
_NODISCARD __std_fs_create_directory_result __stdcall __std_fs_create_directory(
_In_z_ const wchar_t* _New_directory) noexcept;
struct __std_fs_remove_result {
bool _Removed;
__std_win_error _Error;
};
_NODISCARD __std_fs_remove_result __stdcall __std_fs_remove(_In_z_ const wchar_t* _Target) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_rename(
_In_z_ const wchar_t* _Source, _In_z_ const wchar_t* _Target) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_resize_file(_In_z_ const wchar_t* _Target, uintmax_t _New_size) noexcept;
_NODISCARD __std_win_error __stdcall __std_fs_space(_In_z_ const wchar_t* _Target, _Out_ uintmax_t* _Available,
_Out_ uintmax_t* _Total_bytes, _Out_ uintmax_t* _Free_bytes) noexcept;
_END_EXTERN_C
_STD_BEGIN
struct _Fs_file {
__std_fs_file_handle _Raw;
explicit _Fs_file(void* const _Handle) : _Raw{reinterpret_cast<intptr_t>(_Handle)} {}
_Fs_file(const wchar_t* const _File_name, const __std_access_rights _Desired_access,
const __std_fs_file_flags _Flags, __std_win_error* const _Err) {
*_Err = __std_fs_open_handle(&_Raw, _File_name, _Desired_access, _Flags);
}
_Fs_file(const _Fs_file&) = delete;
_Fs_file& operator=(const _Fs_file&) = delete;
~_Fs_file() {
__std_fs_close_handle(_Raw);
}
_NODISCARD void* _Get() const {
return reinterpret_cast<void*>(_Raw);
}
};
struct _Is_slash_oper { // predicate testing if input is a preferred-separator or fallback-separator
_NODISCARD constexpr bool operator()(
const wchar_t _Ch) const { // test if _Ch is a preferred-separator or fallback-separator
return _Ch == L'\\' || _Ch == L'/';
}
};
inline constexpr _Is_slash_oper _Is_slash{};
_STD_END
#pragma pop_macro("new")
_STL_RESTORE_CLANG_WARNINGS
#pragma warning(pop)
#pragma pack(pop)
#endif // _STL_COMPILER_PREPROCESSOR
#endif // _XFILESYSTEM_ABI_H
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