$NetBSD: patch-ab,v 1.1 2006/09/24 15:53:06 joerg Exp $

--- IO/vtkImageReader.cxx.orig	2006-09-24 16:29:56.000000000 +0000
+++ IO/vtkImageReader.cxx
@@ -191,14 +191,14 @@ void vtkImageReaderUpdate2(vtkImageReade
 {
   int inIncr[3], outIncr[3];
   OT *outPtr0, *outPtr1, *outPtr2;
-  long streamSkip0, streamSkip1;
+  std::streamoff streamSkip0, streamSkip1;
   unsigned long streamRead;
   int idx0, idx1, idx2, pixelRead;
   unsigned char *buf;
   int inExtent[6];
   int dataExtent[6];
   int comp, pixelSkip;
-  long filePos, correction = 0;
+  std::streampos filePos, correction = 0;
   unsigned long count = 0;
   unsigned short DataMask;
   unsigned long target;
@@ -233,18 +233,18 @@ void vtkImageReaderUpdate2(vtkImageReade
   pixelRead = dataExtent[1] - dataExtent[0] + 1; 
   streamRead = static_cast<unsigned long>(pixelRead * 
                                           self->GetDataIncrements()[0]);  
-  streamSkip0 = (long)(self->GetDataIncrements()[1] - streamRead);
-  streamSkip1 = (long)(self->GetDataIncrements()[2] - 
-    (dataExtent[3] - dataExtent[2] + 1)* self->GetDataIncrements()[1]);
+  streamSkip0 = self->GetDataIncrements()[1] - streamRead;
+  streamSkip1 = self->GetDataIncrements()[2] - 
+    (dataExtent[3] - dataExtent[2] + 1)* self->GetDataIncrements()[1];
   pixelSkip = data->GetNumberOfScalarComponents();
     
   // read from the bottom up
   if (!self->GetFileLowerLeft()) 
     {
-    streamSkip0 = (long)(-static_cast<long>(streamRead) 
-                         - self->GetDataIncrements()[1]);
-    streamSkip1 = (long)(self->GetDataIncrements()[2] + 
-      (dataExtent[3] - dataExtent[2] + 1)* self->GetDataIncrements()[1]);
+    streamSkip0 = -static_cast<long>(streamRead) 
+                         - self->GetDataIncrements()[1];
+    streamSkip1 = self->GetDataIncrements()[2] + 
+      (dataExtent[3] - dataExtent[2] + 1)* self->GetDataIncrements()[1];
     }
   
     
@@ -298,8 +298,8 @@ void vtkImageReaderUpdate2(vtkImageReade
         vtkGenericWarningMacro("File operation failed. row = " << idx1
                                << ", Tried to Read = " << streamRead
                                << ", Read = " << self->GetFile()->gcount()
-                               << ", Skip0 = " << streamSkip0
-                               << ", Skip1 = " << streamSkip1
+                               << ", Skip0 = " << (long)streamSkip0
+                               << ", Skip1 = " << (long)streamSkip1
                                << ", FilePos = " << static_cast<vtkIdType>(self->GetFile()->tellg()));
         delete [] buf;
         return;