freebsd-dev/bin/dd/misc.c

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/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Keith Muller of the University of California, San Diego and Lance
* Visser of Convex Computer Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94";
#endif
static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
#include <sys/types.h>
#include <sys/time.h>
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#include <errno.h>
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#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
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#include <unistd.h>
#include "dd.h"
#include "extern.h"
void
summary(void)
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{
struct timeval tv;
double secs;
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char buf[100];
(void)gettimeofday(&tv, (struct timezone *)NULL);
secs = tv.tv_sec + tv.tv_usec * 1e-6 - st.start;
if (secs < 1e-6)
secs = 1e-6;
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/* Use snprintf(3) so that we don't reenter stdio(3). */
(void)snprintf(buf, sizeof(buf),
"%qu+%qu records in\n%qu+%qu records out\n",
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st.in_full, st.in_part, st.out_full, st.out_part);
(void)write(STDERR_FILENO, buf, strlen(buf));
if (st.swab) {
(void)snprintf(buf, sizeof(buf), "%qu odd length swab %s\n",
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st.swab, (st.swab == 1) ? "block" : "blocks");
(void)write(STDERR_FILENO, buf, strlen(buf));
}
if (st.trunc) {
(void)snprintf(buf, sizeof(buf), "%qu truncated %s\n",
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st.trunc, (st.trunc == 1) ? "block" : "blocks");
(void)write(STDERR_FILENO, buf, strlen(buf));
}
(void)snprintf(buf, sizeof(buf),
"%qu bytes transferred in %.6f secs (%.0f bytes/sec)\n",
st.bytes, secs, st.bytes / secs);
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(void)write(STDERR_FILENO, buf, strlen(buf));
}
/* ARGSUSED */
void
summaryx(int notused __unused)
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{
int save_errno = errno;
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summary();
errno = save_errno;
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}
/* ARGSUSED */
void
terminate(int sig)
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{
summary();
_exit(sig == 0 ? 0 : 1);
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}