authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2025-10-23 09:40:32-07:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2025-10-29 06:20:51-07:00
log5c527a18544a16c86c3036c143d44b7ed427d2ec
treea5e25e22857cdb221d586fb3b7a7639847bd41cd
parent5d7672f2adc8f1058aa1f49f80055b8816a06371

std.Io.Threaded: implement fileStat for Windows

2 files changed, 62 insertions(+), 66 deletions(-)

lib/std/Io/Threaded.zig+62-22
......@@ -1033,7 +1033,7 @@ fn dirMakePathPosix(userdata: ?*anyopaque, dir: Io.Dir, sub_path: []const u8, mo
10331033 _ = dir;
10341034 _ = sub_path;
10351035 _ = mode;
1036 @panic("TODO");
1036 @panic("TODO implement dirMakePathPosix");
10371037}
10381038
10391039fn dirMakePathWindows(userdata: ?*anyopaque, dir: Io.Dir, sub_path: []const u8, mode: Io.Dir.Mode) Io.Dir.MakeError!void {
......@@ -1042,7 +1042,7 @@ fn dirMakePathWindows(userdata: ?*anyopaque, dir: Io.Dir, sub_path: []const u8,
10421042 _ = dir;
10431043 _ = sub_path;
10441044 _ = mode;
1045 @panic("TODO");
1045 @panic("TODO implement dirMakePathWindows");
10461046}
10471047
10481048fn dirMakeOpenPathPosix(
......@@ -1176,7 +1176,7 @@ fn dirMakeOpenPathWasi(
11761176 _ = dir;
11771177 _ = sub_path;
11781178 _ = mode;
1179 @panic("TODO");
1179 @panic("TODO implement dirMakeOpenPathWindows");
11801180}
11811181
11821182fn dirStat(userdata: ?*anyopaque, dir: Io.Dir) Io.Dir.StatError!Io.Dir.Stat {
......@@ -1184,7 +1184,7 @@ fn dirStat(userdata: ?*anyopaque, dir: Io.Dir) Io.Dir.StatError!Io.Dir.Stat {
11841184 try t.checkCancel();
11851185
11861186 _ = dir;
1187 @panic("TODO");
1187 @panic("TODO implement dirStat");
11881188}
11891189
11901190fn dirStatPathLinux(
......@@ -1375,8 +1375,48 @@ fn fileStatLinux(userdata: ?*anyopaque, file: Io.File) Io.File.StatError!Io.File
13751375fn fileStatWindows(userdata: ?*anyopaque, file: Io.File) Io.File.StatError!Io.File.Stat {
13761376 const t: *Threaded = @ptrCast(@alignCast(userdata));
13771377 try t.checkCancel();
1378 _ = file;
1379 @panic("TODO");
1378
1379 var io_status_block: windows.IO_STATUS_BLOCK = undefined;
1380 var info: windows.FILE_ALL_INFORMATION = undefined;
1381 const rc = windows.ntdll.NtQueryInformationFile(file.handle, &io_status_block, &info, @sizeOf(windows.FILE_ALL_INFORMATION), .FileAllInformation);
1382 switch (rc) {
1383 .SUCCESS => {},
1384 // Buffer overflow here indicates that there is more information available than was able to be stored in the buffer
1385 // size provided. This is treated as success because the type of variable-length information that this would be relevant for
1386 // (name, volume name, etc) we don't care about.
1387 .BUFFER_OVERFLOW => {},
1388 .INVALID_PARAMETER => unreachable,
1389 .ACCESS_DENIED => return error.AccessDenied,
1390 else => return windows.unexpectedStatus(rc),
1391 }
1392 return .{
1393 .inode = info.InternalInformation.IndexNumber,
1394 .size = @as(u64, @bitCast(info.StandardInformation.EndOfFile)),
1395 .mode = 0,
1396 .kind = if (info.BasicInformation.FileAttributes & windows.FILE_ATTRIBUTE_REPARSE_POINT != 0) reparse_point: {
1397 var tag_info: windows.FILE_ATTRIBUTE_TAG_INFO = undefined;
1398 const tag_rc = windows.ntdll.NtQueryInformationFile(file.handle, &io_status_block, &tag_info, @sizeOf(windows.FILE_ATTRIBUTE_TAG_INFO), .FileAttributeTagInformation);
1399 switch (tag_rc) {
1400 .SUCCESS => {},
1401 // INFO_LENGTH_MISMATCH and ACCESS_DENIED are the only documented possible errors
1402 // https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/d295752f-ce89-4b98-8553-266d37c84f0e
1403 .INFO_LENGTH_MISMATCH => unreachable,
1404 .ACCESS_DENIED => return error.AccessDenied,
1405 else => return windows.unexpectedStatus(rc),
1406 }
1407 if (tag_info.ReparseTag & windows.reparse_tag_name_surrogate_bit != 0) {
1408 break :reparse_point .sym_link;
1409 }
1410 // Unknown reparse point
1411 break :reparse_point .unknown;
1412 } else if (info.BasicInformation.FileAttributes & windows.FILE_ATTRIBUTE_DIRECTORY != 0)
1413 .directory
1414 else
1415 .file,
1416 .atime = windows.fromSysTime(info.BasicInformation.LastAccessTime),
1417 .mtime = windows.fromSysTime(info.BasicInformation.LastWriteTime),
1418 .ctime = windows.fromSysTime(info.BasicInformation.ChangeTime),
1419 };
13801420}
13811421
13821422fn fileStatWasi(userdata: ?*anyopaque, file: Io.File) Io.File.StatError!Io.File.Stat {
......@@ -2490,7 +2530,7 @@ fn fileSeekBy(userdata: ?*anyopaque, file: Io.File, offset: i64) Io.File.SeekErr
24902530
24912531 _ = file;
24922532 _ = offset;
2493 @panic("TODO");
2533 @panic("TODO implement fileSeekBy");
24942534}
24952535
24962536fn fileSeekTo(userdata: ?*anyopaque, file: Io.File, offset: u64) Io.File.SeekError!void {
......@@ -2571,7 +2611,7 @@ fn openSelfExe(userdata: ?*anyopaque, flags: Io.File.OpenFlags) Io.File.OpenSelf
25712611
25722612 return dirOpenFileWindowsInner(t, .{ .handle = cwd_handle }, image_path_name, flags);
25732613 }
2574 @panic("TODO");
2614 @panic("TODO implement openSelfExe");
25752615}
25762616
25772617fn fileWritePositional(
......@@ -2586,7 +2626,7 @@ fn fileWritePositional(
25862626 _ = file;
25872627 _ = buffer;
25882628 _ = offset;
2589 @panic("TODO");
2629 @panic("TODO implement fileWritePositional");
25902630 }
25912631}
25922632
......@@ -2596,7 +2636,7 @@ fn fileWriteStreaming(userdata: ?*anyopaque, file: Io.File, buffer: [][]const u8
25962636 try t.checkCancel();
25972637 _ = file;
25982638 _ = buffer;
2599 @panic("TODO");
2639 @panic("TODO implement fileWriteStreaming");
26002640 }
26012641}
26022642
......@@ -2922,7 +2962,7 @@ fn netListenUnixWindows(
29222962 try t.checkCancel();
29232963 _ = address;
29242964 _ = options;
2925 @panic("TODO");
2965 @panic("TODO implement netListenUnixWindows");
29262966}
29272967
29282968fn posixBindUnix(t: *Threaded, fd: posix.socket_t, addr: *const posix.sockaddr, addr_len: posix.socklen_t) !void {
......@@ -3122,7 +3162,7 @@ fn netConnectIpPosix(
31223162 options: IpAddress.ConnectOptions,
31233163) IpAddress.ConnectError!net.Stream {
31243164 if (!have_networking) return error.NetworkDown;
3125 if (options.timeout != .none) @panic("TODO");
3165 if (options.timeout != .none) @panic("TODO implement netConnectIpPosix with timeout");
31263166 const t: *Threaded = @ptrCast(@alignCast(userdata));
31273167 const family = posixAddressFamily(address);
31283168 const socket_fd = try openSocketPosix(t, family, .{
......@@ -3146,7 +3186,7 @@ fn netConnectIpWindows(
31463186 options: IpAddress.ConnectOptions,
31473187) IpAddress.ConnectError!net.Stream {
31483188 if (!have_networking) return error.NetworkDown;
3149 if (options.timeout != .none) @panic("TODO");
3189 if (options.timeout != .none) @panic("TODO implement netConnectIpWindows with timeout");
31503190 const t: *Threaded = @ptrCast(@alignCast(userdata));
31513191 const family = posixAddressFamily(address);
31523192 const socket_handle = try openSocketWsa(t, family, .{
......@@ -3220,7 +3260,7 @@ fn netConnectUnixWindows(
32203260 const t: *Threaded = @ptrCast(@alignCast(userdata));
32213261 try t.checkCancel();
32223262 _ = address;
3223 @panic("TODO");
3263 @panic("TODO implement netConnectUnixWindows");
32243264}
32253265
32263266fn netBindIpPosix(
......@@ -3525,7 +3565,7 @@ fn netReadWindows(userdata: ?*anyopaque, handle: net.Socket.Handle, data: [][]u8
35253565 _ = t;
35263566 _ = handle;
35273567 _ = data;
3528 @panic("TODO");
3568 @panic("TODO implement netReadWindows");
35293569}
35303570
35313571fn netSendPosix(
......@@ -3569,7 +3609,7 @@ fn netSendWindows(
35693609 _ = handle;
35703610 _ = messages;
35713611 _ = flags;
3572 @panic("TODO");
3612 @panic("TODO netSendWindows");
35733613}
35743614
35753615fn netSendOne(
......@@ -3872,7 +3912,7 @@ fn netReceiveWindows(
38723912 _ = data_buffer;
38733913 _ = flags;
38743914 _ = timeout;
3875 @panic("TODO");
3915 @panic("TODO implement netReceiveWindows");
38763916}
38773917
38783918fn netWritePosix(
......@@ -3970,7 +4010,7 @@ fn netWriteWindows(
39704010 _ = header;
39714011 _ = data;
39724012 _ = splat;
3973 @panic("TODO");
4013 @panic("TODO implement netWriteWindows");
39744014}
39754015
39764016fn addBuf(v: []posix.iovec_const, i: *@FieldType(posix.msghdr_const, "iovlen"), bytes: []const u8) void {
......@@ -4036,7 +4076,7 @@ fn netInterfaceNameResolve(
40364076
40374077 if (native_os == .windows) {
40384078 try t.checkCancel();
4039 @panic("TODO");
4079 @panic("TODO implement netInterfaceNameResolve for Windows");
40404080 }
40414081
40424082 if (builtin.link_libc) {
......@@ -4055,15 +4095,15 @@ fn netInterfaceName(userdata: ?*anyopaque, interface: net.Interface) net.Interfa
40554095
40564096 if (native_os == .linux) {
40574097 _ = interface;
4058 @panic("TODO");
4098 @panic("TODO implement netInterfaceName for linux");
40594099 }
40604100
40614101 if (native_os == .windows) {
4062 @panic("TODO");
4102 @panic("TODO implement netInterfaceName for windows");
40634103 }
40644104
40654105 if (builtin.link_libc) {
4066 @panic("TODO");
4106 @panic("TODO implement netInterfaceName for libc");
40674107 }
40684108
40694109 @panic("unimplemented");
lib/std/fs/File.zig-44
......@@ -312,50 +312,6 @@ pub const StatError = posix.FStatError;
312312
313313/// Returns `Stat` containing basic information about the `File`.
314314pub fn stat(self: File) StatError!Stat {
315 if (builtin.os.tag == .windows) {
316 var io_status_block: windows.IO_STATUS_BLOCK = undefined;
317 var info: windows.FILE_ALL_INFORMATION = undefined;
318 const rc = windows.ntdll.NtQueryInformationFile(self.handle, &io_status_block, &info, @sizeOf(windows.FILE_ALL_INFORMATION), .FileAllInformation);
319 switch (rc) {
320 .SUCCESS => {},
321 // Buffer overflow here indicates that there is more information available than was able to be stored in the buffer
322 // size provided. This is treated as success because the type of variable-length information that this would be relevant for
323 // (name, volume name, etc) we don't care about.
324 .BUFFER_OVERFLOW => {},
325 .INVALID_PARAMETER => unreachable,
326 .ACCESS_DENIED => return error.AccessDenied,
327 else => return windows.unexpectedStatus(rc),
328 }
329 return .{
330 .inode = info.InternalInformation.IndexNumber,
331 .size = @as(u64, @bitCast(info.StandardInformation.EndOfFile)),
332 .mode = 0,
333 .kind = if (info.BasicInformation.FileAttributes & windows.FILE_ATTRIBUTE_REPARSE_POINT != 0) reparse_point: {
334 var tag_info: windows.FILE_ATTRIBUTE_TAG_INFO = undefined;
335 const tag_rc = windows.ntdll.NtQueryInformationFile(self.handle, &io_status_block, &tag_info, @sizeOf(windows.FILE_ATTRIBUTE_TAG_INFO), .FileAttributeTagInformation);
336 switch (tag_rc) {
337 .SUCCESS => {},
338 // INFO_LENGTH_MISMATCH and ACCESS_DENIED are the only documented possible errors
339 // https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/d295752f-ce89-4b98-8553-266d37c84f0e
340 .INFO_LENGTH_MISMATCH => unreachable,
341 .ACCESS_DENIED => return error.AccessDenied,
342 else => return windows.unexpectedStatus(rc),
343 }
344 if (tag_info.ReparseTag & windows.reparse_tag_name_surrogate_bit != 0) {
345 break :reparse_point .sym_link;
346 }
347 // Unknown reparse point
348 break :reparse_point .unknown;
349 } else if (info.BasicInformation.FileAttributes & windows.FILE_ATTRIBUTE_DIRECTORY != 0)
350 .directory
351 else
352 .file,
353 .atime = windows.fromSysTime(info.BasicInformation.LastAccessTime),
354 .mtime = windows.fromSysTime(info.BasicInformation.LastWriteTime),
355 .ctime = windows.fromSysTime(info.BasicInformation.ChangeTime),
356 };
357 }
358
359315 var threaded: Io.Threaded = .init_single_threaded;
360316 const io = threaded.io();
361317 return Io.File.stat(.{ .handle = self.handle }, io);