68 lines
2.6 KiB
C
68 lines
2.6 KiB
C
/*-
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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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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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/*static char *sccsid = "from: @(#)fclose.c 5.2 (Berkeley) 2/1/91";*/
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static char *rcsid = "$Id: fclose.c,v 1.3 1993/08/26 00:46:33 jtc Exp $";
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#endif /* LIBC_SCCS and not lint */
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "local.h"
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fclose(fp)
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register FILE *fp;
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{
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register int r;
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if (fp->_flags == 0) { /* not open! */
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errno = EBADF;
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return (EOF);
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}
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r = fp->_flags & __SWR ? __sflush(fp) : 0;
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if (fp->_close != NULL && (*fp->_close)(fp->_cookie) < 0)
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r = EOF;
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if (fp->_flags & __SMBF)
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free((char *)fp->_bf._base);
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if (HASUB(fp))
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FREEUB(fp);
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if (HASLB(fp))
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FREELB(fp);
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fp->_flags = 0; /* release this FILE for reuse */
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return (r);
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}
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