From 152580cefeb4ec63a2560fe76aad98dc674dcced Mon Sep 17 00:00:00 2001
From: Jinoh Kang <jinoh.kang.kr@gmail.com>
Date: Tue, 20 Feb 2024 00:45:16 +0900
Subject: [PATCH] ntdll: Implement NtQueryInformationFile FileStatInformation.

---
 dlls/ntdll/tests/file.c |  2 +-
 dlls/ntdll/unix/file.c  | 30 +++++++++++++++++++++++++++++-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index 3ea5eeea01f..9dd49c925b7 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -4372,7 +4372,7 @@ static void test_file_stat_information(void)
     status = pNtQueryInformationFile( h, &io, &fsd, sizeof(fsd), FileStatInformation );
     if (status == STATUS_NOT_IMPLEMENTED || status == STATUS_INVALID_INFO_CLASS)
     {
-        skip( "FileStatInformation not supported\n" );
+        win_skip( "FileStatInformation not supported\n" );
         CloseHandle( h );
         return;
     }
diff --git a/dlls/ntdll/unix/file.c b/dlls/ntdll/unix/file.c
index ee68e4dee9b..d292d934efa 100644
--- a/dlls/ntdll/unix/file.c
+++ b/dlls/ntdll/unix/file.c
@@ -4334,7 +4334,7 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
         0,                                             /* FileRenameInformationEx */
         0,                                             /* FileRenameInformationExBypassAccessCheck */
         0,                                             /* FileDesiredStorageClassInformation */
-        0,                                             /* FileStatInformation */
+        sizeof(FILE_STAT_INFORMATION),                 /* FileStatInformation */
         0,                                             /* FileMemoryPartitionInformation */
         0,                                             /* FileStatLxInformation */
         0,                                             /* FileCaseSensitiveInformation */
@@ -4549,6 +4549,34 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
                 info->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
         }
         break;
+    case FileStatInformation:
+        if (fd_get_file_info( fd, options, &st, &attr ) == -1) status = errno_to_status( errno );
+        else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
+            status = STATUS_INVALID_INFO_CLASS;
+        else
+        {
+            FILE_STAT_INFORMATION *info = ptr;
+            FILE_BASIC_INFORMATION basic;
+            FILE_STANDARD_INFORMATION std;
+
+            fill_file_info( &st, attr, &basic, FileBasicInformation );
+            fill_file_info( &st, attr, &std, FileStandardInformation );
+
+            info->FileId.QuadPart = st.st_ino;
+            info->CreationTime   = basic.CreationTime;
+            info->LastAccessTime = basic.LastAccessTime;
+            info->LastWriteTime  = basic.LastWriteTime;
+            info->ChangeTime     = basic.ChangeTime;
+            info->AllocationSize = std.AllocationSize;
+            info->EndOfFile      = std.EndOfFile;
+            info->FileAttributes = attr;
+            info->ReparseTag     = 0; /* FIXME */
+            if ((options & FILE_OPEN_REPARSE_POINT) && fd_is_mount_point( fd, &st ))
+                info->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
+            info->NumberOfLinks  = std.NumberOfLinks;
+            info->EffectiveAccess = FILE_ALL_ACCESS; /* FIXME */
+        }
+        break;
     default:
         FIXME("Unsupported class (%d)\n", class);
         status = STATUS_NOT_IMPLEMENTED;