src/bin/dd/misc.c

99 lines
3.1 KiB
C

/* $OpenBSD: misc.c,v 1.23 2018/04/07 18:52:39 cheloha Exp $ */
/* $NetBSD: misc.c,v 1.4 1995/03/21 09:04:10 cgd Exp $ */
/*-
* 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. 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.
*/
#include <sys/types.h>
#include <sys/time.h>
#include <errno.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include "dd.h"
#include "extern.h"
void
summary(void)
{
struct timespec elapsed, now;
double nanosecs;
if (ddflags & C_NOINFO)
return;
clock_gettime(CLOCK_MONOTONIC, &now);
timespecsub(&now, &st.start, &elapsed);
nanosecs = ((double)elapsed.tv_sec * 1000000000) + elapsed.tv_nsec;
if (nanosecs == 0)
nanosecs = 1;
/* Be async safe: use dprintf(3). */
dprintf(STDERR_FILENO, "%zu+%zu records in\n%zu+%zu records out\n",
st.in_full, st.in_part, st.out_full, st.out_part);
if (st.swab) {
dprintf(STDERR_FILENO, "%zu odd length swab %s\n",
st.swab, (st.swab == 1) ? "block" : "blocks");
}
if (st.trunc) {
dprintf(STDERR_FILENO, "%zu truncated %s\n",
st.trunc, (st.trunc == 1) ? "block" : "blocks");
}
if (!(ddflags & C_NOXFER)) {
dprintf(STDERR_FILENO,
"%lld bytes transferred in %lld.%03ld secs "
"(%0.0f bytes/sec)\n", (long long)st.bytes,
(long long)elapsed.tv_sec, elapsed.tv_nsec / 1000000,
((double)st.bytes * 1000000000) / nanosecs);
}
}
void
summaryx(int notused)
{
int save_errno = errno;
summary();
errno = save_errno;
}
void
terminate(int signo)
{
summary();
_exit(128 + signo);
}