[ros-diffs] [fireball] 43324: [fastfat_new] - Implement FatiQueryNameInformation. It doesn't work right now due to missing file names in the FCB record. - Make a stub for FatSetFcbNames.

Author: fireball
Date: Wed Oct  7 14:21:13 2009
New Revision: 43324

URL: http://svn.reactos.org/svn/reactos?rev=43324&view=rev
Log:
[fastfat_new]
- Implement FatiQueryNameInformation. It doesn't work right now due to missing file
names in the FCB record.
- Make a stub for FatSetFcbNames.

Modified:
    trunk/reactos/drivers/filesystems/fastfat_new/fastfat.h
    trunk/reactos/drivers/filesystems/fastfat_new/fcb.c
    trunk/reactos/drivers/filesystems/fastfat_new/finfo.c

Modified: trunk/reactos/drivers/filesystems/fastfat_new/fastfat.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat_new/fastfat.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat_new/fastfat.h [iso-8859-1] Wed Oct  7
14:21:13 2009
@@ -304,6 +304,10 @@
 FatSetFullNameInFcb(PFCB Fcb,
                     PUNICODE_STRING Name);
 
+VOID NTAPI
+FatSetFcbNames(IN PFAT_IRP_CONTEXT IrpContext,
+               IN PFCB Fcb);
+
 /*  ------------------------------------------------------------  rw.c  */
 
 NTSTATUS NTAPI

Modified: trunk/reactos/drivers/filesystems/fastfat_new/fcb.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat_new/fcb.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat_new/fcb.c [iso-8859-1] Wed Oct  7 14:21:13
2009
@@ -149,6 +149,9 @@
     Fcb->Header.ValidDataLength.LowPart = FileHandle->Filesize;
     Fcb->FatHandle = FileHandle;
 
+    /* Set names */
+    FatSetFcbNames(IrpContext, Fcb);
+
     return Fcb;
 }
 
@@ -241,4 +244,13 @@
     }
 }
 
+VOID
+NTAPI
+FatSetFcbNames(IN PFAT_IRP_CONTEXT IrpContext,
+               IN PFCB Fcb)
+{
+    // Set the short name first
+    UNIMPLEMENTED;
+}
+
 /* EOF */

Modified: trunk/reactos/drivers/filesystems/fastfat_new/finfo.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat_new/finfo.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat_new/finfo.c [iso-8859-1] Wed Oct  7 14:21:13
2009
@@ -61,10 +61,51 @@
 FatiQueryNameInformation(IN PFAT_IRP_CONTEXT IrpContext,
                              IN PFCB Fcb,
                              IN PFILE_OBJECT FileObject,
-                             IN OUT PFILE_INTERNAL_INFORMATION Buffer,
+                             IN OUT PFILE_NAME_INFORMATION Buffer,
                              IN OUT PLONG Length)
 {
-    UNIMPLEMENTED;
+    ULONG ByteSize;
+    ULONG Trim = 0;
+    BOOLEAN Overflow = FALSE;
+
+    /* Deduct the minimum written length */
+    *Length -= FIELD_OFFSET(FILE_NAME_INFORMATION, FileName[0]);
+
+    // Build full name if needed
+    //if (!Fcb->FullFileName.Buffer)
+
+    DPRINT1("FullFileName %wZ\n", &Fcb->FullFileName);
+
+    if (*Length < Fcb->FullFileName.Length - Trim)
+    {
+        /* Buffer can't fit all data */
+        ByteSize = *Length;
+        Overflow = TRUE;
+    }
+    else
+    {
+        /* Deduct the amount of bytes we are going to write */
+        ByteSize = Fcb->FullFileName.Length - Trim;
+        *Length -= ByteSize;
+    }
+
+    /* Copy the name */
+    RtlCopyMemory(Buffer->FileName,
+                  Fcb->FullFileName.Buffer,
+                  ByteSize);
+
+    /* Set the length */
+    Buffer->FileNameLength = Fcb->FullFileName.Length - Trim;
+
+    /* Is this a shortname query? */
+    if (Trim)
+    {
+        /* Yes, not supported atm */
+        ASSERT(FALSE);
+    }
+
+    /* Indicate overflow by passing -1 as the length */
+    if (Overflow) *Length = -1;
 }
 
 NTSTATUS