os/ossrv/genericopenlibs/cstdlib/LSTDIO/FWALK.C
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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/* FWALK.C
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 * 
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 * Portions Copyright (c) 1990-1999 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 */
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/* No user fns here.  Pesch 15apr92. */
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/*
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 * Copyright (c) 1990 The Regents of the University of California.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms are permitted
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 * provided that the above copyright notice and this paragraph are
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 * duplicated in all such forms and that any documentation,
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 * advertising materials, and other materials related to such
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 * distribution and use acknowledge that the software was developed
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 * by the University of California, Berkeley.  The name of the
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 * University may not be used to endorse or promote products derived
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 * from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 */
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#include <stdio_r.h>
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#include <stdlib_r.h>
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#include <errno.h>
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#include "LOCAL.H"
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int
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_fwalk (struct _reent *ptr, register int (*function) (FILE *))
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{
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  register FILE *fp;
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  register int n, ret = 0;
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  register struct _glue *g;
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  for (g = &ptr->__sglue; g != NULL; g = g->_next)
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    for (fp = g->_iobs, n = g->_niobs; --n >= 0; fp++)
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      if (fp->_flags != 0)
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	ret |= (*function) (fp);
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  return ret;
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}