GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/stdio/vdprintf.c Lines: 17 18 94.4 %
Date: 2017-11-13 Branches: 1 2 50.0 %

Line Branch Exec Source
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/*	$OpenBSD: vdprintf.c,v 1.2 2015/08/31 02:53:57 guenther Exp $	*/
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/*	$FreeBSD: src/lib/libc/stdio/vdprintf.c,v 1.4 2012/11/17 01:49:40 svnexp Exp $ */
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/*-
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 * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
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 * All rights reserved.
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 *
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 * Copyright (c) 2011 The FreeBSD Foundation
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 * All rights reserved.
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 * Portions of this software were developed by David Chisnall
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 * under sponsorship from the FreeBSD Foundation.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "local.h"
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static int
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__dwrite(void *cookie, const char *buf, int n)
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{
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	int *fdp = cookie;
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	return (write(*fdp, buf, n));
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}
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int
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vdprintf(int fd, const char * __restrict fmt, va_list ap)
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{
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	FILE f;
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	struct __sfileext fext;
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	unsigned char buf[BUFSIZ];
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	int ret;
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	_FILEEXT_SETUP(&f, &fext);
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	f._p = buf;
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	f._w = sizeof(buf);
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	f._flags = __SWR;
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	f._file = -1;
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	f._bf._base = buf;
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	f._bf._size = sizeof(buf);
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	f._cookie = &fd;
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	f._write = __dwrite;
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	if ((ret = __vfprintf(&f, fmt, ap)) < 0)
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		return ret;
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	return fflush(&f) ? EOF : ret;
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}
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DEF_WEAK(vdprintf);