setbuf.c
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上传日期:2007-01-17
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- /* setbuf.c - set buffered mode. stdio.h */
- /* Copyright 1992-1993 Wind River Systems, Inc. */
- /*
- modification history
- --------------------
- 01c,05mar93,jdi documentation cleanup for 5.1.
- 01b,20sep92,smb documentation additions
- 01a,29jul92,jcf Added OBJ_VERIFY
- +smb taken from UCB stdio
- */
- /*
- DESCRIPTION
- * Copyright (c) 1990 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.
- INCLUDE FILE: stdio.h
- SEE ALSO: American National Standard X3.159-1989
- NOMANUAL
- */
- #include "vxWorks.h"
- #include "stdio.h"
- #include "objLib.h"
- #include "private/stdioP.h"
- /******************************************************************************
- *
- * setbuf - specify the buffering for a stream (ANSI)
- *
- * Except that it returns no value, this routine is equivalent to setvbuf()
- * invoked with the <mode> _IOFBF (full buffering) and <size> BUFSIZ, or (if
- * <buf> is a null pointer), with the <mode> _IONBF (no buffering).
- *
- * INCLUDE FILES: stdio.h
- *
- * RETURNS: N/A
- *
- * SEE ALSO: setvbuf()
- */
- void setbuf
- (
- FILE * fp, /* stream to set buffering for */
- char * buf /* buffer to use */
- )
- {
- if (OBJ_VERIFY (fp, fpClassId) != OK)
- return;
- (void) setvbuf (fp, buf, ((buf) ? (_IOFBF) : (_IONBF)), BUFSIZ);
- }