[pschweitzer] 75915: [KERNEL32] Rewrite GetFileAttributesW() to make it simpler and more accurate. Make GetFileAttributesA() call GetFileAttributesW() This fixes the last failing tests from r75236....

Author: pschweitzer
Date: Wed Sep 20 16:38:48 2017
New Revision: 75915
URL: http://svn.reactos.org/svn/reactos?rev=75915&view=rev
Log:
[KERNEL32]
Rewrite GetFileAttributesW() to make it simpler and more accurate.
Make GetFileAttributesA() call GetFileAttributesW()
This fixes the last failing tests from r75236.
CORE-13495
Modified:
    trunk/reactos/dll/win32/kernel32/client/file/fileinfo.c
Modified: trunk/reactos/dll/win32/kernel32/client/file/fileinfo.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/kernel32/client/…
==============================================================================
--- trunk/reactos/dll/win32/kernel32/client/file/fileinfo.c     [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/kernel32/client/file/fileinfo.c     [iso-8859-1] Wed Sep 20
16:38:48 2017
@@ -765,33 +765,55 @@
 DWORD WINAPI
 GetFileAttributesA(LPCSTR lpFileName)
 {
-   WIN32_FILE_ATTRIBUTE_DATA FileAttributeData;
    PWSTR FileNameW;
-   BOOL ret;
    if (!lpFileName || !(FileNameW = FilenameA2W(lpFileName, FALSE)))
       return INVALID_FILE_ATTRIBUTES;
-   ret = GetFileAttributesExW(FileNameW, GetFileExInfoStandard, &FileAttributeData);
-
-   return ret ? FileAttributeData.dwFileAttributes : INVALID_FILE_ATTRIBUTES;
-}
-
-
-/*
- * @implemented
- */
-DWORD WINAPI
+   return GetFileAttributesW(FileNameW);
+}
+
+
+/*
+ * @implemented
+ */
+DWORD
+WINAPI
 GetFileAttributesW(LPCWSTR lpFileName)
 {
-  WIN32_FILE_ATTRIBUTE_DATA FileAttributeData;
-  BOOL Result;
-
-  TRACE ("GetFileAttributeW(%S) called\n", lpFileName);
-
-  Result = GetFileAttributesExW(lpFileName, GetFileExInfoStandard,
&FileAttributeData);
-
-  return Result ? FileAttributeData.dwFileAttributes : INVALID_FILE_ATTRIBUTES;
+    NTSTATUS Status;
+    UNICODE_STRING FileName;
+    OBJECT_ATTRIBUTES ObjectAttributes;
+    FILE_BASIC_INFORMATION FileInformation;
+
+    /* Get the NT path name */
+    if (!RtlDosPathNameToNtPathName_U(lpFileName, &FileName, NULL, NULL))
+    {
+        SetLastError(ERROR_PATH_NOT_FOUND);
+        return INVALID_FILE_ATTRIBUTES;
+    }
+
+    /* Prepare for querying attributes */
+    InitializeObjectAttributes(&ObjectAttributes, &FileName,
+                               OBJ_CASE_INSENSITIVE,
+                               NULL, NULL);
+    /* Simply query attributes */
+    Status = NtQueryAttributesFile(&ObjectAttributes, &FileInformation);
+    if (!NT_SUCCESS(Status))
+    {
+        /* It failed? Is it a DOS device? */
+        if (RtlIsDosDeviceName_U(lpFileName))
+        {
+            return FILE_ATTRIBUTE_ARCHIVE;
+        }
+
+        /* Set the error otherwise */
+        BaseSetLastNTError(Status);
+        return INVALID_FILE_ATTRIBUTES;
+    }
+
+    /* Return the file attributes */
+    return FileInformation.FileAttributes;
 }