GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: bin/dd/misc.c Lines: 25 39 64.1 %
Date: 2017-11-13 Branches: 7 12 58.3 %

Line Branch Exec Source
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/*	$OpenBSD: misc.c,v 1.22 2017/10/24 14:21:10 schwarze Exp $	*/
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/*	$NetBSD: misc.c,v 1.4 1995/03/21 09:04:10 cgd Exp $	*/
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/*-
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 * Copyright (c) 1991, 1993, 1994
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Keith Muller of the University of California, San Diego and Lance
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 * Visser of Convex Computer Corporation.
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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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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <sys/types.h>
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#include <sys/time.h>
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#include <sys/uio.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#include <unistd.h>
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#include "dd.h"
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#include "extern.h"
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void
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summary(void)
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{
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3064
	struct timespec elapsed, now;
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1532
	char buf[4][100];
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	struct iovec iov[4];
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	double nanosecs;
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	int i = 0;
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	if (ddflags & C_NOINFO)
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		return;
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	clock_gettime(CLOCK_MONOTONIC, &now);
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	timespecsub(&now, &st.start, &elapsed);
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	nanosecs = ((double)elapsed.tv_sec * 1000000000) + elapsed.tv_nsec;
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	if (nanosecs == 0)
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		nanosecs = 1;
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	/* Use snprintf(3) so that we don't reenter stdio(3). */
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	(void)snprintf(buf[0], sizeof(buf[0]),
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	    "%zu+%zu records in\n%zu+%zu records out\n",
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	    st.in_full, st.in_part, st.out_full, st.out_part);
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	iov[i].iov_base = buf[0];
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	iov[i++].iov_len = strlen(buf[0]);
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	if (st.swab) {
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		(void)snprintf(buf[1], sizeof(buf[1]),
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		    "%zu odd length swab %s\n",
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		     st.swab, (st.swab == 1) ? "block" : "blocks");
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		iov[i].iov_base = buf[1];
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		iov[i++].iov_len = strlen(buf[1]);
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	}
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	if (st.trunc) {
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		(void)snprintf(buf[2], sizeof(buf[2]),
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		    "%zu truncated %s\n",
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		     st.trunc, (st.trunc == 1) ? "block" : "blocks");
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		iov[i].iov_base = buf[2];
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		iov[i++].iov_len = strlen(buf[2]);
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	}
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	if (!(ddflags & C_NOXFER)) {
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		(void)snprintf(buf[3], sizeof(buf[3]),
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		    "%lld bytes transferred in %lld.%03ld secs "
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		    "(%0.0f bytes/sec)\n", (long long)st.bytes,
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		    (long long)elapsed.tv_sec, elapsed.tv_nsec / 1000000,
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		    ((double)st.bytes * 1000000000) / nanosecs);
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		iov[i].iov_base = buf[3];
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		iov[i++].iov_len = strlen(buf[3]);
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	}
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	(void)writev(STDERR_FILENO, iov, i);
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}
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void
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summaryx(int notused)
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{
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	int save_errno = errno;
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	summary();
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	errno = save_errno;
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}
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void
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terminate(int signo)
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{
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	summary();
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	_exit(128 + signo);
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}