78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/* $NetBSD: dprintf.c,v 1.2 2013/03/05 16:29:09 christos Exp $ */
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/*-
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* Copyright (c) 2013 NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#if !HAVE_DPRINTF
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#include <stdlib.h>
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#ifndef HAVE_NBTOOL_CONFIG_H
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/* These headers are required, but included from nbtool_config.h */
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#endif
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int
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dprintf(int fd, const char *fmt, ...)
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{
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FILE *fp;
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int e;
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va_list ap;
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if ((e = dup(fd)) == -1)
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return -1;
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if ((fp = fdopen(e, "r+")) == NULL) {
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(void)close(e);
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return -1;
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}
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va_start(ap, fmt);
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e = vfprintf(fp, fmt, ap);
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va_end(ap);
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(void)fclose(fp);
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return e;
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}
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#endif /* HAVE_DPRINTF */
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#ifdef TEST
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int
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main(int argc, char *argv[])
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{
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dprintf(1, "Hello %s\n", "world");
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return 0;
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}
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#endif
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