diff -urN a/src/common.h b/src/common.h
--- a/src/common.h	Sat Jan  7 21:40:27 2006
+++ b/src/common.h	Sat Jan  7 22:00:30 2006
@@ -223,8 +223,11 @@
 
 #if _FILE_OFFSET_BITS == 64
 #define OFF_T_SCANF_FMT "%ll"
+/* offsets are displayed on 40 bits anyway */
+#define OFF_T_MAX	(((1ULL)<<40)-1)
 #else
 #define OFF_T_SCANF_FMT "%l"
+#define OFF_T_MAX	LONG_MAX
 #endif
 
 /*
diff -urN a/src/file.c b/src/file.c
--- a/src/file.c	Sat Jan  7 21:40:27 2006
+++ b/src/file.c	Sat Jan  7 21:50:59 2006
@@ -290,15 +290,15 @@
                            break;
                        }
 #endif
-                       sprintf( errstr, "Can't get device size, truncating to %ld",
-#ifdef LONG_MAX
-                                         LONG_MAX);
+                       sprintf( errstr, "Can't get device size, truncating to " OFF_T_SCANF_FMT "d",
+#ifdef OFF_T_MAX
+                                         OFF_T_MAX);
 #else
                                          2147483647);
 #endif
                        lib_alert( errstr, 0);
-#ifdef LONG_MAX
-                       vc_filesize = LONG_MAX;
+#ifdef OFF_T_MAX
+                       vc_filesize = OFF_T_MAX;
 #else
                        vc_filesize = 2147483647;
 #endif
@@ -363,15 +363,15 @@
         } /* end switch( i) */
 
        if( vc_filesize < 0) {
-           sprintf( errstr, "Device size too big, truncating to %ld",
-#ifdef LONG_MAX
-                    LONG_MAX);
+           sprintf( errstr, "Device size too big, truncating to " OFF_T_SCANF_FMT "d",
+#ifdef OFF_T_MAX
+                    OFF_T_MAX);
 #else
                     2147483647);
 #endif
            lib_alert( errstr, 0);
-#ifdef LONG_MAX
-           vc_filesize = LONG_MAX;
+#ifdef OFF_T_MAX
+           vc_filesize = OFF_T_MAX;
 #else
            vc_filesize = 2147483647;
 #endif
diff -urN a/src/hex.c b/src/hex.c
--- a/src/hex.c	Sat Jan  7 21:40:27 2006
+++ b/src/hex.c	Sat Jan  7 21:52:08 2006
@@ -353,8 +353,8 @@
     devices are bigger than LONG_MAX, and we are viewing the end of
     the file, so I correct bread here */
  if( lfpos < 0)
-#ifdef LONG_MAX
-     bread = LONG_MAX - fpos;
+#ifdef OFF_T_MAX
+     bread = OFF_T_MAX - fpos;
 #else
      bread = 2147483647 - fpos;
 #endif