1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Keith Muller of the University of California, San Diego and Lance 9 * Visser of Convex Computer Corporation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)misc.c 8.3 (Berkeley) 4/2/94 36 * $FreeBSD: head/bin/dd/misc.c 338646 2018-09-13 14:54:46Z kevans $ 37 */ 38 39 #include <sys/types.h> 40 41 #include <err.h> 42 #include <errno.h> 43 #include <libutil.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <time.h> 48 #include <unistd.h> 49 50 #include "dd.h" 51 #include "extern.h" 52 53 double 54 secs_elapsed(void) 55 { 56 struct timespec end, ts_res; 57 double secs, res; 58 59 if (clock_gettime(CLOCK_MONOTONIC, &end)) 60 err(1, "clock_gettime"); 61 if (clock_getres(CLOCK_MONOTONIC, &ts_res)) 62 err(1, "clock_getres"); 63 secs = (end.tv_sec - st.start.tv_sec) + 64 (end.tv_nsec - st.start.tv_nsec) * 1e-9; 65 res = ts_res.tv_sec + ts_res.tv_nsec * 1e-9; 66 if (secs < res) 67 secs = res; 68 69 return (secs); 70 } 71 72 void 73 summary(void) 74 { 75 double secs; 76 77 if (ddflags & C_NOINFO) 78 return; 79 80 if (ddflags & C_PROGRESS) 81 fprintf(stderr, "\n"); 82 83 secs = secs_elapsed(); 84 85 fprintf(stderr, "%ju+%ju records in\n%ju+%ju records out\n", 86 st.in_full, st.in_part, st.out_full, st.out_part); 87 if (st.swab) { 88 fprintf(stderr, "%ju odd length swab %s\n", 89 st.swab, (st.swab == 1) ? "block" : "blocks"); 90 } 91 if (st.trunc) { 92 fprintf(stderr, "%ju truncated %s\n", 93 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 94 } 95 if (!(ddflags & C_NOXFER)) { 96 fprintf(stderr, 97 "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n", 98 st.bytes, secs, st.bytes / secs); 99 } 100 need_summary = 0; 101 } 102 103 void 104 progress(void) 105 { 106 static int outlen; 107 char si[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ 108 char iec[4 + 1 + 3 + 1]; /* 123 <space> <suffix> NUL */ 109 char persec[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ 110 char *buf; 111 double secs; 112 113 secs = secs_elapsed(); 114 humanize_number(si, sizeof(si), (int64_t)st.bytes, "B", HN_AUTOSCALE, 115 HN_DECIMAL | HN_DIVISOR_1000); 116 humanize_number(iec, sizeof(iec), (int64_t)st.bytes, "B", HN_AUTOSCALE, 117 HN_DECIMAL | HN_IEC_PREFIXES); 118 humanize_number(persec, sizeof(persec), (int64_t)(st.bytes / secs), "B", 119 HN_AUTOSCALE, HN_DECIMAL | HN_DIVISOR_1000); 120 asprintf(&buf, " %'ju bytes (%s, %s) transferred %.3fs, %s/s", 121 (uintmax_t)st.bytes, si, iec, secs, persec); 122 outlen = fprintf(stderr, "%-*s\r", outlen, buf) - 1; 123 fflush(stderr); 124 free(buf); 125 need_progress = 0; 126 } 127 128 void 129 siginfo_handler(int signo __unused) 130 { 131 need_summary = 1; 132 } 133 134 void 135 sigalarm_handler(int signo __unused) 136 { 137 need_progress = 1; 138 } 139 140 void 141 terminate(int sig) 142 { 143 summary(); 144 _exit(sig == 0 ? 0 : 1); 145 } 146