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/*
* Copyright (c) 1995
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static const char rcsid[] =
"@(#) $Header: vfprintf.c,v 1.2 96/09/26 23:36:51 leres Exp $ (LBL)";
#endif
#include <sys/types.h>
#include <stdio.h>
#if __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include <stdlib.h>
#include <unistd.h>
#include "interface.h"
/*
* Stock 4.3 doesn't have vfprintf.
* This routine is due to Chris Torek.
*/
vfprintf(f, fmt, args)
FILE *f;
char *fmt;
va_list args;
{
int ret;
if ((f->_flag & _IOWRT) == 0) {
if (f->_flag & _IORW)
f->_flag |= _IOWRT;
else
return EOF;
}
ret = _doprnt(fmt, args, f);
return ferror(f) ? EOF : ret;
}
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