(dump): Convert to use smaller -- but seemingly equivalent -- patch.

diff --git a/src/od.c b/src/od.c
index 28fdc66d4598a8ffbf2968da6be48a443df77592..ee40f6cea6f1d8961da4d53ae6d0b56e31806619 100644 (file)
--- a/src/od.c
+++ b/src/od.c
@@ -1400,13 +1400,13 @@ dump ()
       while (1)
        {
          size_t n_needed;
-         n_needed = MIN (end_offset - current_offset,
-                         (off_t) bytes_per_block);
-         if (n_needed == 0)
+         if (current_offset >= end_offset)
            {
              n_bytes_read = 0;
              break;
            }
+         n_needed = MIN (end_offset - current_offset,
+                         (off_t) bytes_per_block);
          err |= read_block (n_needed, block[idx], &n_bytes_read);
          if (n_bytes_read < bytes_per_block)
            break;