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Rev 1693 Rev 3065
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 */
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 */
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#include <_ansi.h>
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#include <_ansi.h>
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#include
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#include
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#include
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#include
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#include
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#include "local.h"
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#include "local.h"
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/*
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/*
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 * Various output routines call wsetup to be sure it is safe to write,
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 * Various output routines call wsetup to be sure it is safe to write,
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 * because either _flags does not include __SWR, or _buf is NULL.
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 * because either _flags does not include __SWR, or _buf is NULL.
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 * _wsetup returns 0 if OK to write, nonzero otherwise.
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 * _wsetup returns 0 if OK to write, nonzero and set errno otherwise.
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 */
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 */
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   */
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   */
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  if ((fp->_flags & __SWR) == 0)
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  if ((fp->_flags & __SWR) == 0)
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    {
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    {
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      if ((fp->_flags & __SRW) == 0)
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        {
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	  ptr->_errno = EBADF;
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      if ((fp->_flags & __SRW) == 0)
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	  fp->_flags |= __SERR;
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	return EOF;
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	return EOF;
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        }
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      if (fp->_flags & __SRD)
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      if (fp->_flags & __SRD)
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	{
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	{
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	  /* clobber any ungetc data */
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	  /* clobber any ungetc data */
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	  if (HASUB (fp))
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	  if (HASUB (fp))
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      fp->_lbfsize = -fp->_bf._size;
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      fp->_lbfsize = -fp->_bf._size;
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    }
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    }
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  else
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  else
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    fp->_w = fp->_flags & __SNBF ? 0 : fp->_bf._size;
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    fp->_w = fp->_flags & __SNBF ? 0 : fp->_bf._size;
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- 
 
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  if (!fp->_bf._base && (fp->_flags & __SMBF))
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    {
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      /* __smakebuf_r set errno, but not flag */
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      fp->_flags |= __SERR;
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      return EOF;
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    }
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  return (!fp->_bf._base && (fp->_flags & __SMBF)) ? EOF : 0;
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  return 0;