1*84d9c625SLionel Sambuc /* $NetBSD: dprintf.c,v 1.2 2013/03/05 16:29:09 christos Exp $ */
2*84d9c625SLionel Sambuc
3*84d9c625SLionel Sambuc /*-
4*84d9c625SLionel Sambuc * Copyright (c) 2013 NetBSD Foundation, Inc.
5*84d9c625SLionel Sambuc * All rights reserved.
6*84d9c625SLionel Sambuc *
7*84d9c625SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
8*84d9c625SLionel Sambuc * by Christos Zoulas.
9*84d9c625SLionel Sambuc *
10*84d9c625SLionel Sambuc * Redistribution and use in source and binary forms, with or without
11*84d9c625SLionel Sambuc * modification, are permitted provided that the following conditions
12*84d9c625SLionel Sambuc * are met:
13*84d9c625SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
14*84d9c625SLionel Sambuc * notice, this list of conditions and the following disclaimer.
15*84d9c625SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*84d9c625SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*84d9c625SLionel Sambuc * documentation and/or other materials provided with the distribution.
18*84d9c625SLionel Sambuc *
19*84d9c625SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*84d9c625SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*84d9c625SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*84d9c625SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*84d9c625SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*84d9c625SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*84d9c625SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*84d9c625SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*84d9c625SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*84d9c625SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*84d9c625SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
30*84d9c625SLionel Sambuc */
31*84d9c625SLionel Sambuc
32*84d9c625SLionel Sambuc #ifdef HAVE_NBTOOL_CONFIG_H
33*84d9c625SLionel Sambuc #include "nbtool_config.h"
34*84d9c625SLionel Sambuc #endif
35*84d9c625SLionel Sambuc
36*84d9c625SLionel Sambuc #if !HAVE_DPRINTF
37*84d9c625SLionel Sambuc #include <stdlib.h>
38*84d9c625SLionel Sambuc #ifndef HAVE_NBTOOL_CONFIG_H
39*84d9c625SLionel Sambuc /* These headers are required, but included from nbtool_config.h */
40*84d9c625SLionel Sambuc #include <stdio.h>
41*84d9c625SLionel Sambuc #include <stdarg.h>
42*84d9c625SLionel Sambuc #include <unistd.h>
43*84d9c625SLionel Sambuc #endif
44*84d9c625SLionel Sambuc
45*84d9c625SLionel Sambuc int
dprintf(int fd,const char * fmt,...)46*84d9c625SLionel Sambuc dprintf(int fd, const char *fmt, ...)
47*84d9c625SLionel Sambuc {
48*84d9c625SLionel Sambuc FILE *fp;
49*84d9c625SLionel Sambuc int e;
50*84d9c625SLionel Sambuc va_list ap;
51*84d9c625SLionel Sambuc
52*84d9c625SLionel Sambuc if ((e = dup(fd)) == -1)
53*84d9c625SLionel Sambuc return -1;
54*84d9c625SLionel Sambuc
55*84d9c625SLionel Sambuc if ((fp = fdopen(e, "r+")) == NULL) {
56*84d9c625SLionel Sambuc (void)close(e);
57*84d9c625SLionel Sambuc return -1;
58*84d9c625SLionel Sambuc }
59*84d9c625SLionel Sambuc
60*84d9c625SLionel Sambuc va_start(ap, fmt);
61*84d9c625SLionel Sambuc e = vfprintf(fp, fmt, ap);
62*84d9c625SLionel Sambuc va_end(ap);
63*84d9c625SLionel Sambuc
64*84d9c625SLionel Sambuc (void)fclose(fp);
65*84d9c625SLionel Sambuc return e;
66*84d9c625SLionel Sambuc }
67*84d9c625SLionel Sambuc
68*84d9c625SLionel Sambuc #endif /* HAVE_DPRINTF */
69*84d9c625SLionel Sambuc
70*84d9c625SLionel Sambuc #ifdef TEST
71*84d9c625SLionel Sambuc int
main(int argc,char * argv[])72*84d9c625SLionel Sambuc main(int argc, char *argv[])
73*84d9c625SLionel Sambuc {
74*84d9c625SLionel Sambuc dprintf(1, "Hello %s\n", "world");
75*84d9c625SLionel Sambuc return 0;
76*84d9c625SLionel Sambuc }
77*84d9c625SLionel Sambuc #endif
78