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/* $NetBSD: fclose.c,v 1.5 1995/02/02 02:09:04 jtc Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)fclose.c 8.1 (Berkeley) 6/4/93";
#endif
static char rcsid[] = "$NetBSD: fclose.c,v 1.5 1995/02/02 02:09:04 jtc Exp $";
#endif /* LIBC_SCCS and not lint */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "local.h"
int
fclose(fp)
register FILE *fp;
{
register int r;
if (fp->_flags == 0) { /* not open! */
errno = EBADF;
return (EOF);
}
r = fp->_flags & __SWR ? __sflush(fp) : 0;
if (fp->_close != NULL && (*fp->_close)(fp->_cookie) < 0)
r = EOF;
if (fp->_flags & __SMBF)
free((char *)fp->_bf._base);
if (HASUB(fp))
FREEUB(fp);
if (HASLB(fp))
FREELB(fp);
fp->_flags = 0; /* Release this FILE for reuse. */
fp->_r = fp->_w = 0; /* Mess up if reaccessed. */
return (r);
}
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