(main): Don't assume mt_count is of type daddr_t.

diff --git a/src/rmt.c b/src/rmt.c
index d8aebba3e6b728675a2484dbdb743980e3aac439..805f69b5372ae2a377dfd9de0d6e318ec5baec0d 100644 (file)
--- a/src/rmt.c
+++ b/src/rmt.c
@@ -392,12 +392,12 @@ top:
        {
          struct mtop mtop;
          const char *p;
-         daddr_t count = 0;
+         off_t count = 0;
          int negative;
 
          /* Parse count_string, taking care to check for overflow.
             We can't use standard functions,
-            since daddr_t might be longer than long.  */
+            since off_t might be longer than long.  */
          
          for (p = count_string;  *p == ' ' || *p == '\t';  p++)
            continue;
@@ -412,8 +412,8 @@ top:
                break;
              else
                {
-                 daddr_t c10 = 10 * count;
-                 daddr_t nc = negative ? c10 - digit : c10 + digit;
+                 off_t c10 = 10 * count;
+                 off_t nc = negative ? c10 - digit : c10 + digit;
                  if (c10 / 10 != count || (negative ? c10 < nc : nc < c10))
                    {
                      report_error_message (N_("Seek offset out of range"));
@@ -424,6 +424,11 @@ top:
            }
 
          mtop.mt_count = count;
+         if (mtop.mt_count != count)
+           {
+             report_error_message (N_("Seek offset out of range"));
+             exit (EXIT_FAILURE);
+           }
          mtop.mt_op = atoi (operation_string);
 
          if (ioctl (tape, MTIOCTOP, (char *) &mtop) < 0)