--- a/volume_io/Include/volume_io.h
+++ b/volume_io/Include/volume_io.h
@@ -24,6 +24,6 @@
 #include  <geometry.h>
 #include  <volume.h>
 #include  <transforms.h>
-#include  <volume_io_prototypes.h>
+#include  <vol_io_prototypes.h>
 
 #endif

--- a/volume_io/Prog_utils/alloc_check.c
+++ b/volume_io/Prog_utils/alloc_check.c
@@ -360,6 +360,26 @@
 #endif
 
 /* ----------------------------- MNI Header -----------------------------------
+@NAME       : memory_still_alloced
+@INPUT      : alloc_list
+@OUTPUT     : 
+@RETURNS    : TRUE or FALSE
+@DESCRIPTION: Decides if any memory is still alloced, thus checking for 
+              memory leaks.
+@METHOD     : 
+@GLOBALS    : 
+@CALLS      : 
+@CREATED    :                      David MacDonald
+@MODIFIED   : 
+---------------------------------------------------------------------------- */
+
+private  BOOLEAN  memory_still_alloced(
+    alloc_struct  *alloc_list )
+{
+    return( alloc_list->header->forward[0] != (skip_entry *) NULL );
+}
+
+/* ----------------------------- MNI Header -----------------------------------
 @NAME       : output_alloc_list
 @INPUT      : file
             : alloc_list
@@ -807,21 +827,33 @@
     {
         check_initialized_alloc_list( &alloc_list );
 
-        if( filename != (char *) 0 && filename[0] != (char) 0 )
-            file = fopen( filename, "w" );
-        else
-            file = stdout;
-
-        if( file != (FILE *) 0 )
+        if( memory_still_alloced( &alloc_list ) )
         {
-            get_date( date_str );
-
-            (void) fprintf( file, "Alloc table at %s\n", date_str );
+            print( "\n" );
+            print( "\n" );
+            print( "A memory leak was found in this program.\n" );
+            if( filename != NULL )
+                print( "A description has been recorded in the file %s.\n",
+                       filename );
+            print( "Please report this file to the author of the program.\n" );
+            print( "\n" );
 
-            output_alloc_list( file, &alloc_list );
+            if( filename != (char *) 0 && filename[0] != (char) 0 )
+                file = fopen( filename, "w" );
+            else
+                file = stdout;
 
-            if( file != stdout )
-                (void) fclose( file );
+            if( file != (FILE *) 0 )
+            {
+                get_date( date_str );
+
+                (void) fprintf( file, "Alloc table at %s\n", date_str );
+
+                output_alloc_list( file, &alloc_list );
+
+                if( file != stdout )
+                    (void) fclose( file );
+            }
         }
     }
 }

--- a/volume_io/Testing/test_slice.c
+++ b/volume_io/Testing/test_slice.c
@@ -1,4 +1,4 @@
-#include  <def_mni.h>
+#include  <mni.h>
 
 private  void  check(
     Volume   volume,

--- a/volume_io/Volumes/volumes.c
+++ b/volume_io/Volumes/volumes.c
@@ -1114,7 +1114,7 @@
     }
 }
 
-public  Volume   copy_volume_definition(
+public  Volume   copy_volume_definition_no_alloc(
     Volume   volume,
     nc_type  nc_data_type,
     BOOLEAN  signed_flag,
@@ -1140,7 +1140,6 @@
                           volume->dimension_names, nc_data_type, signed_flag,
                           voxel_min, voxel_max );
     set_volume_sizes( copy, sizes );
-    alloc_volume_data( copy );
 
     for_less( c, 0, N_DIMENSIONS )
         copy->spatial_axes[c] = volume->spatial_axes[c];
@@ -1161,3 +1160,20 @@
 
     return( copy );
 }
+
+public  Volume   copy_volume_definition(
+    Volume   volume,
+    nc_type  nc_data_type,
+    BOOLEAN  signed_flag,
+    Real     voxel_min,
+    Real     voxel_max )
+{
+    Volume   copy;
+
+    copy = copy_volume_definition_no_alloc( volume,
+                                            nc_data_type, signed_flag,
+                                            voxel_min, voxel_max );
+    alloc_volume_data( copy );
+
+    return( copy );
+}