1*b636d99dSDavid van Moolenbroek /*
2*b636d99dSDavid van Moolenbroek * Copyright (c) 1995
3*b636d99dSDavid van Moolenbroek * The Regents of the University of California. All rights reserved.
4*b636d99dSDavid van Moolenbroek *
5*b636d99dSDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without
6*b636d99dSDavid van Moolenbroek * modification, are permitted provided that: (1) source code distributions
7*b636d99dSDavid van Moolenbroek * retain the above copyright notice and this paragraph in its entirety, (2)
8*b636d99dSDavid van Moolenbroek * distributions including binary code include the above copyright notice and
9*b636d99dSDavid van Moolenbroek * this paragraph in its entirety in the documentation or other materials
10*b636d99dSDavid van Moolenbroek * provided with the distribution, and (3) all advertising materials mentioning
11*b636d99dSDavid van Moolenbroek * features or use of this software display the following acknowledgement:
12*b636d99dSDavid van Moolenbroek * ``This product includes software developed by the University of California,
13*b636d99dSDavid van Moolenbroek * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14*b636d99dSDavid van Moolenbroek * the University nor the names of its contributors may be used to endorse
15*b636d99dSDavid van Moolenbroek * or promote products derived from this software without specific prior
16*b636d99dSDavid van Moolenbroek * written permission.
17*b636d99dSDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18*b636d99dSDavid van Moolenbroek * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19*b636d99dSDavid van Moolenbroek * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20*b636d99dSDavid van Moolenbroek */
21*b636d99dSDavid van Moolenbroek
22*b636d99dSDavid van Moolenbroek #include <sys/cdefs.h>
23*b636d99dSDavid van Moolenbroek #ifndef lint
24*b636d99dSDavid van Moolenbroek __RCSID("$NetBSD: vfprintf.c,v 1.4 2014/11/20 03:05:03 christos Exp $");
25*b636d99dSDavid van Moolenbroek #endif
26*b636d99dSDavid van Moolenbroek
27*b636d99dSDavid van Moolenbroek #ifdef HAVE_CONFIG_H
28*b636d99dSDavid van Moolenbroek #include "config.h"
29*b636d99dSDavid van Moolenbroek #endif
30*b636d99dSDavid van Moolenbroek
31*b636d99dSDavid van Moolenbroek #include <sys/types.h>
32*b636d99dSDavid van Moolenbroek
33*b636d99dSDavid van Moolenbroek #include <stdio.h>
34*b636d99dSDavid van Moolenbroek #include <stdarg.h>
35*b636d99dSDavid van Moolenbroek #include <stdlib.h>
36*b636d99dSDavid van Moolenbroek #include <unistd.h>
37*b636d99dSDavid van Moolenbroek
38*b636d99dSDavid van Moolenbroek #include "interface.h"
39*b636d99dSDavid van Moolenbroek
40*b636d99dSDavid van Moolenbroek /*
41*b636d99dSDavid van Moolenbroek * Stock 4.3 doesn't have vfprintf.
42*b636d99dSDavid van Moolenbroek * This routine is due to Chris Torek.
43*b636d99dSDavid van Moolenbroek */
vfprintf(f,fmt,args)44*b636d99dSDavid van Moolenbroek vfprintf(f, fmt, args)
45*b636d99dSDavid van Moolenbroek FILE *f;
46*b636d99dSDavid van Moolenbroek char *fmt;
47*b636d99dSDavid van Moolenbroek va_list args;
48*b636d99dSDavid van Moolenbroek {
49*b636d99dSDavid van Moolenbroek int ret;
50*b636d99dSDavid van Moolenbroek
51*b636d99dSDavid van Moolenbroek if ((f->_flag & _IOWRT) == 0) {
52*b636d99dSDavid van Moolenbroek if (f->_flag & _IORW)
53*b636d99dSDavid van Moolenbroek f->_flag |= _IOWRT;
54*b636d99dSDavid van Moolenbroek else
55*b636d99dSDavid van Moolenbroek return EOF;
56*b636d99dSDavid van Moolenbroek }
57*b636d99dSDavid van Moolenbroek ret = _doprnt(fmt, args, f);
58*b636d99dSDavid van Moolenbroek return ferror(f) ? EOF : ret;
59*b636d99dSDavid van Moolenbroek }
60