[mbosma] 21914: Merge r21839

Author: mbosma
Date: Mon May 15 23:50:43 2006
New Revision: 21914

URL: http://svn.reactos.ru/svn/reactos?rev=21914&view=rev
Log:
Merge r21839

Modified:
    branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/direntry.c
    branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/finfo.c
    branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/vfat.h

Modified: branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/direntry.c
URL:
http://svn.reactos.ru/svn/reactos/branches/cache_manager_rewrite/reactos/dr…
==============================================================================
--- branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/direntry.c (original)
+++ branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/direntry.c Mon May 15
23:50:43 2006
@@ -22,8 +22,8 @@
 
   if (pDeviceExt->FatInfo.FatType == FAT32)
   {
-    cluster = pFatDirEntry->Fat.FirstCluster +
-      pFatDirEntry->Fat.FirstClusterHigh * 65536;
+    cluster = pFatDirEntry->Fat.FirstCluster |
+                  (pFatDirEntry->Fat.FirstClusterHigh << 16);
   }
   else if (pDeviceExt->Flags & VCB_IS_FATX)
   {

Modified: branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/finfo.c
URL:
http://svn.reactos.ru/svn/reactos/branches/cache_manager_rewrite/reactos/dr…
==============================================================================
--- branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/finfo.c (original)
+++ branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/finfo.c Mon May 15
23:50:43 2006
@@ -4,7 +4,6 @@
  * FILE:             drivers/fs/vfat/finfo.c
  * PURPOSE:          VFAT Filesystem
  * PROGRAMMER:       Jason Filby (jasonfilby(a)yahoo.com)
- *                   Hartmut Birr
  *                   Herve Poussineau (reactos(a)poussine.freesurf.fr)
  *
  */
@@ -100,34 +99,6 @@
 }
 
 static NTSTATUS
-VfatGetAttributeTagInformation(PVFATFCB FCB,
-			       PFILE_ATTRIBUTE_TAG_INFORMATION AttributeTagInfo,
-			       PULONG BufferLength)
-{
-  if (*BufferLength < sizeof(FILE_ATTRIBUTE_TAG_INFORMATION))
-    return STATUS_BUFFER_OVERFLOW;
-
-  /* PRECONDITION */
-  ASSERT(AttributeTagInfo != NULL);
-  ASSERT(FCB != NULL);
-
-  AttributeTagInfo->FileAttributes = *FCB->Attributes & 0x3f;
-  /* Synthesize FILE_ATTRIBUTE_NORMAL */
-  if (0 == (AttributeTagInfo->FileAttributes & (FILE_ATTRIBUTE_DIRECTORY |
-                                                FILE_ATTRIBUTE_ARCHIVE |
-                                                FILE_ATTRIBUTE_SYSTEM |
-                                                FILE_ATTRIBUTE_HIDDEN |
-                                                FILE_ATTRIBUTE_READONLY)))
-  {
-    AttributeTagInfo->FileAttributes |= FILE_ATTRIBUTE_NORMAL;
-  }
-  AttributeTagInfo->ReparseTag = 0;
-
-  *BufferLength -= sizeof(FILE_ATTRIBUTE_TAG_INFORMATION);
-  return(STATUS_SUCCESS);
-}
-
-static NTSTATUS
 VfatSetPositionInformation(PFILE_OBJECT FileObject,
 			   PFILE_POSITION_INFORMATION PositionInfo)
 {
@@ -470,6 +441,28 @@
 
   *BufferLength -= sizeof(FILE_NETWORK_OPEN_INFORMATION);
   return STATUS_SUCCESS;
+}
+
+
+static NTSTATUS
+VfatGetEaInformation(PFILE_OBJECT FileObject,
+		     PVFATFCB Fcb,
+		     PDEVICE_OBJECT DeviceObject,
+		     PFILE_EA_INFORMATION Info,
+		     PULONG BufferLength)
+{
+    PDEVICE_EXTENSION DeviceExt = DeviceObject->DeviceExtension;
+
+    /* FIXME - use SEH to access the buffer! */
+    Info->EaSize = 0;
+    *BufferLength -= sizeof(*Info);
+    if (DeviceExt->FatInfo.FatType == FAT12 ||
+        DeviceExt->FatInfo.FatType == FAT16)
+    {
+        /* FIXME */
+        DPRINT1("VFAT: FileEaInformation not implemented!\n");
+    }
+    return STATUS_SUCCESS;
 }
 
 
@@ -614,8 +607,16 @@
       }
       else
       {
-        Fcb->entry.Fat.FirstCluster = (unsigned short)(FirstCluster &
0x0000FFFF);
-        Fcb->entry.Fat.FirstClusterHigh = (unsigned short)((FirstCluster &
0xFFFF0000) >> 16);
+        if (DeviceExt->FatInfo.FatType == FAT32)
+        {
+          Fcb->entry.Fat.FirstCluster = (unsigned short)(FirstCluster &
0x0000FFFF);
+          Fcb->entry.Fat.FirstClusterHigh = FirstCluster >> 16;
+        }
+        else
+        {
+            ASSERT((FirstCluster >> 16) == 0);
+            Fcb->entry.Fat.FirstCluster = (unsigned short)(FirstCluster &
0x0000FFFF);
+        }
       }
     }
     else
@@ -699,8 +700,15 @@
       }
       else
       {
-        Fcb->entry.Fat.FirstCluster = 0;
-        Fcb->entry.Fat.FirstClusterHigh = 0;
+        if (DeviceExt->FatInfo.FatType == FAT32)
+        {
+          Fcb->entry.Fat.FirstCluster = 0;
+          Fcb->entry.Fat.FirstClusterHigh = 0;
+        }
+        else
+        {
+            Fcb->entry.Fat.FirstCluster = 0;
+        }
       }
 
       NCluster = Cluster = FirstCluster;
@@ -809,10 +817,12 @@
 				 &BufferLength);
       break;
 
-    case FileAttributeTagInformation:
-      RC = VfatGetAttributeTagInformation(FCB,
-	                                  SystemBuffer,
-					  &BufferLength);
+    case FileEaInformation:
+      RC = VfatGetEaInformation(IrpContext->FileObject,
+				FCB,
+				IrpContext->DeviceObject,
+				SystemBuffer,
+				&BufferLength);
       break;
 
     case FileAlternateNameInformation:
@@ -901,7 +911,6 @@
 				   SystemBuffer);
       break;
     case FileRenameInformation:
-    case FileAttributeTagInformation:
       RC = STATUS_NOT_IMPLEMENTED;
       break;
     default:

Modified: branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/vfat.h
URL:
http://svn.reactos.ru/svn/reactos/branches/cache_manager_rewrite/reactos/dr…
==============================================================================
--- branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/vfat.h (original)
+++ branches/cache_manager_rewrite/reactos/drivers/filesystems/vfat/vfat.h Mon May 15
23:50:43 2006
@@ -97,11 +97,50 @@
   unsigned char  lCase;
   unsigned char  CreationTimeMs;
   unsigned short CreationTime,CreationDate,AccessDate;
-  unsigned short FirstClusterHigh;                      // higher
+  union
+  {
+    unsigned short FirstClusterHigh; // FAT32
+    unsigned short ExtendedAttributes; // FAT12/FAT16
+  };
   unsigned short UpdateTime;                            //time create/update
   unsigned short UpdateDate;                            //date create/update
   unsigned short FirstCluster;
   unsigned long  FileSize;
+};
+
+#define FAT_EAFILE  "EA DATA. SF"
+
+typedef struct _EAFileHeader FAT_EA_FILE_HEADER, *PFAT_EA_FILE_HEADER;
+
+struct _EAFileHeader
+{
+  unsigned short Signature; // ED
+  unsigned short Unknown[15];
+  unsigned short EASetTable[240];
+};
+
+typedef struct _EASetHeader FAT_EA_SET_HEADER, *PFAT_EA_SET_HEADER;
+
+struct _EASetHeader
+{
+  unsigned short Signature; // EA
+  unsigned short Offset; // relative offset, same value as in the EASetTable
+  unsigned short Unknown1[2];
+  char TargetFileName[12];
+  unsigned short Unknown2[3];
+  unsigned int EALength;
+  // EA Header
+};
+
+typedef struct _EAHeader FAT_EA_HEADER, *PFAT_EA_HEADER;
+
+struct _EAHeader
+{
+  unsigned char Unknown;
+  unsigned char EANameLength;
+  unsigned short EAValueLength;
+  // Name Data
+  // Value Data
 };
 
 typedef struct _FATDirEntry FAT_DIR_ENTRY, *PFAT_DIR_ENTRY;