1/*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Keith Muller of the University of California, San Diego and Lance 7 * Visser of Convex Computer Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35#if 0 36static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; 37#endif 38#endif /* not lint */ 39#include <sys/cdefs.h> 40__FBSDID("$FreeBSD: stable/11/bin/dd/misc.c 339163 2018-10-03 17:20:30Z kevans $"); 41 42#include <sys/types.h> 43 44#include <err.h> 45#include <errno.h> 46#include <inttypes.h> 47#include <libutil.h> 48#include <signal.h> 49#include <stdio.h> 50#include <stdlib.h> 51#include <string.h> 52#include <time.h> 53#include <unistd.h> 54 55#include "dd.h" 56#include "extern.h" 57 58double 59secs_elapsed(void) 60{ 61 struct timespec end, ts_res; 62 double secs, res; 63 64 if (clock_gettime(CLOCK_MONOTONIC, &end)) 65 err(1, "clock_gettime"); 66 if (clock_getres(CLOCK_MONOTONIC, &ts_res)) 67 err(1, "clock_getres"); 68 secs = (end.tv_sec - st.start.tv_sec) + \ 69 (end.tv_nsec - st.start.tv_nsec) * 1e-9; 70 res = ts_res.tv_sec + ts_res.tv_nsec * 1e-9; 71 if (secs < res) 72 secs = res; 73 74 return (secs); 75} 76 77void 78summary(void) 79{ 80 double secs; 81 82 if (ddflags & C_NOINFO) 83 return; 84 85 if (ddflags & C_PROGRESS) 86 fprintf(stderr, "\n"); 87 88 secs = secs_elapsed(); 89 90 (void)fprintf(stderr, 91 "%ju+%ju records in\n%ju+%ju records out\n", 92 st.in_full, st.in_part, st.out_full, st.out_part); 93 if (st.swab) 94 (void)fprintf(stderr, "%ju odd length swab %s\n", 95 st.swab, (st.swab == 1) ? "block" : "blocks"); 96 if (st.trunc) 97 (void)fprintf(stderr, "%ju truncated %s\n", 98 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 99 if (!(ddflags & C_NOXFER)) { 100 (void)fprintf(stderr, 101 "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n", 102 st.bytes, secs, st.bytes / secs); 103 } 104 need_summary = 0; 105} 106 107void 108progress(void) 109{ 110 static int outlen; 111 char si[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ 112 char iec[4 + 1 + 3 + 1]; /* 123 <space> <suffix> NUL */ 113 char persec[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ 114 char *buf; 115 double secs; 116 117 secs = secs_elapsed(); 118 humanize_number(si, sizeof(si), (int64_t)st.bytes, "B", HN_AUTOSCALE, 119 HN_DECIMAL | HN_DIVISOR_1000); 120 humanize_number(iec, sizeof(iec), (int64_t)st.bytes, "B", HN_AUTOSCALE, 121 HN_DECIMAL | HN_IEC_PREFIXES); 122 humanize_number(persec, sizeof(persec), (int64_t)(st.bytes / secs), "B", 123 HN_AUTOSCALE, HN_DECIMAL | HN_DIVISOR_1000); 124 asprintf(&buf, " %'ju bytes (%s, %s) transferred %.3fs, %s/s", 125 (uintmax_t)st.bytes, si, iec, secs, persec); 126 outlen = fprintf(stderr, "%-*s\r", outlen, buf) - 1; 127 fflush(stderr); 128 free(buf); 129 need_progress = 0; 130} 131 132/* ARGSUSED */ 133void 134siginfo_handler(int signo __unused) 135{ 136 137 need_summary = 1; 138} 139 140/* ARGSUSED */ 141void 142sigalarm_handler(int signo __unused) 143{ 144 145 need_progress = 1; 146} 147 148/* ARGSUSED */ 149void 150terminate(int sig) 151{ 152 153 summary(); 154 _exit(sig == 0 ? 0 : 1); 155} 156