119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/* $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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struct timespec elapsed, now;
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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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}
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