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Rev 4874 Rev 4921
Line 123... Line 123...
123 
     ??? Might be able to remove this as some other stdio routine should
 123 
     ??? Might be able to remove this as some other stdio routine should
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     have already been called to get the char we are un-getting.  */
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     have already been called to get the char we are un-getting.  */
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 125 
 
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  CHECK_INIT (rptr, fp);
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  CHECK_INIT (rptr, fp);
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  _flockfile (fp);
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  _newlib_flockfile_start (fp);
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       * Not already reading: no good unless reading-and-writing.
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       * Not already reading: no good unless reading-and-writing.
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       * Otherwise, flush any current write stuff.
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       * Otherwise, flush any current write stuff.
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       */
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       */
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      if ((fp->_flags & __SRW) == 0)
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      if ((fp->_flags & __SRW) == 0)
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        {
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        {
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          _funlockfile (fp);
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          _newlib_flockfile_exit (fp);
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          return EOF;
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          return EOF;
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        }
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        }
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      if (fp->_flags & __SWR)
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      if (fp->_flags & __SWR)
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	{
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	{
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	  if (_fflush_r (rptr, fp))
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	  if (_fflush_r (rptr, fp))
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            {
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            {
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              _funlockfile (fp);
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              _newlib_flockfile_exit (fp);
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              return EOF;
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              return EOF;
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            }
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            }
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	  fp->_flags &= ~__SWR;
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	  fp->_flags &= ~__SWR;
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	  fp->_w = 0;
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	  fp->_w = 0;
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	  fp->_lbfsize = 0;
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	  fp->_lbfsize = 0;
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 165 
 
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  if (HASUB (fp))
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  if (HASUB (fp))
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    {
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    {
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      if (fp->_r >= fp->_ub._size && __submore (rptr, fp))
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      if (fp->_r >= fp->_ub._size && __submore (rptr, fp))
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        {
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        {
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          _funlockfile (fp);
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          _newlib_flockfile_exit (fp);
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          return EOF;
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          return EOF;
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        }
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        }
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      *--fp->_p = c;
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      *--fp->_p = c;
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      fp->_r++;
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      fp->_r++;
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      _funlockfile (fp);
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      _newlib_flockfile_exit (fp);
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      return c;
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      return c;
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    }
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    }
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 184 
 
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  if (fp->_bf._base != NULL && fp->_p > fp->_bf._base && fp->_p[-1] == c)
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  if (fp->_bf._base != NULL && fp->_p > fp->_bf._base && fp->_p[-1] == c)
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    {
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    {
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      fp->_p--;
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      fp->_p--;
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      fp->_r++;
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      fp->_r++;
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      _funlockfile (fp);
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      _newlib_flockfile_exit (fp);
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      return c;
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      return c;
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    }
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    }
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 192 
 
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  fp->_ub._base = fp->_ubuf;
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  fp->_ub._base = fp->_ubuf;
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  fp->_ub._size = sizeof (fp->_ubuf);
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  fp->_ub._size = sizeof (fp->_ubuf);
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  fp->_ubuf[sizeof (fp->_ubuf) - 1] = c;
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  fp->_ubuf[sizeof (fp->_ubuf) - 1] = c;
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  fp->_p = &fp->_ubuf[sizeof (fp->_ubuf) - 1];
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  fp->_p = &fp->_ubuf[sizeof (fp->_ubuf) - 1];
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  fp->_r = 1;
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  fp->_r = 1;
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  _funlockfile (fp);
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  _newlib_flockfile_end (fp);
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  return c;
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  return c;
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}
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}
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 208 
 
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#ifndef _REENT_ONLY
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#ifndef _REENT_ONLY