*** ../bash-4.2-patched/lib/sh/zread.c	Mon Mar  2 08:54:45 2009
--- lib/sh/zread.c	Thu Jul 28 18:16:53 2011
***************
*** 161,166 ****
       int fd;
  {
!   off_t off;
!   int r;
  
    off = lused - lind;
--- 161,165 ----
       int fd;
  {
!   off_t off, r;
  
    off = lused - lind;
***************
*** 169,173 ****
      r = lseek (fd, -off, SEEK_CUR);
  
!   if (r >= 0)
      lused = lind = 0;
  }
--- 168,172 ----
      r = lseek (fd, -off, SEEK_CUR);
  
!   if (r != -1)
      lused = lind = 0;
  }