Subversion Repositories openrisc

/* No user fns here.  Pesch 15apr92. */

/*

 * Copyright (c) 1990 The Regents of the University of California.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms are permitted

 * provided that the above copyright notice and this paragraph are

 * duplicated in all such forms and that any documentation,

 * advertising materials, and other materials related to such

 * distribution and use acknowledge that the software was developed

 * by the University of California, Berkeley.  The name of the

 * University may not be used to endorse or promote products derived

 * from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

 */

#include <stdio.h>

#include <sys/types.h>

#include <fcntl.h>

#include <sys/unistd.h>

#include <errno.h>

#include "local.h"

#ifdef __LARGE64_FILES

_fpos64_t

_DEFUN(__sseek64, (ptr, cookie, offset, whence),

       struct _reent *ptr _AND

       void *cookie _AND

       _fpos64_t offset _AND

       int whence)

{

  register FILE *fp = (FILE *) cookie;

  register _off64_t ret;

  ret = _lseek64_r (ptr, fp->_file, (_off64_t) offset, whence);

  if (ret == (_fpos64_t)-1L)

    fp->_flags &= ~__SOFF;

  else

    {

      fp->_flags |= __SOFF;

      fp->_offset = ret;

    }

  return ret;

}

_READ_WRITE_RETURN_TYPE

_DEFUN(__swrite64, (ptr, cookie, buf, n),

       struct _reent *ptr _AND

       void *cookie _AND

       char const *buf _AND

       int n)

{

  register FILE *fp = (FILE *) cookie;

  int w;

#ifdef __SCLE

  int oldmode=0;

#endif

  if (fp->_flags & __SAPP)

    (void) _lseek64_r (ptr, fp->_file, (_off64_t)0, SEEK_END);

  fp->_flags &= ~__SOFF;        /* in case O_APPEND mode is set */

#ifdef __SCLE

  if (fp->_flags & __SCLE)

    oldmode = setmode(fp->_file, O_BINARY);

#endif

  w = _write_r (ptr, fp->_file, buf, n);

#ifdef __SCLE

  if (oldmode)

    setmode(fp->_file, oldmode);

#endif

  return w;

}

#endif /* __LARGE64_FILES */