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/* $OpenBSD: misc.c,v 1.18 2014/02/12 01:18:36 bluhm 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 timeval nowtv; |
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char buf[4][100]; |
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struct iovec iov[4]; |
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double microsecs; |
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int i = 0; |
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if (ddflags & C_NOINFO) |
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return; |
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(void)gettimeofday(&nowtv, (struct timezone *)NULL); |
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timersub(&nowtv, &st.startv, &nowtv); |
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microsecs = ((double)nowtv.tv_sec * 1000000) + nowtv.tv_usec; |
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if (microsecs == 0) |
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microsecs = 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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"%qd 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)nowtv.tv_sec, nowtv.tv_usec / 1000, |
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((double)st.bytes * 1000000) / microsecs); |
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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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/* ARGSUSED */ |
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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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/* ARGSUSED */ |
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void |
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terminate(int notused) |
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{ |
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summary(); |
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_exit(0); |
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} |